- 
                
                
                    
                        Soil sampler tool
                    
                                            
                                - 
                                    Patent number D1080328
                                
 
                                - 
                                    Issue date Jun 24, 2025
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    Mark T. Weinberger
                                 
                        
                                            
                                - 
                                        
                                    D08 - Tools and hardware
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        Landfill well pump
                    
                                            
                                - 
                                    Patent number 11,603,866
                                
 
                                - 
                                    Issue date Mar 14, 2023
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    John F. Schaupp
                                 
                        
                                            
                                - 
                                        
                                    E21 - EARTH DRILLING MINING
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        Landfill gas wellhead cap assembly
                    
                                            
                                - 
                                    Patent number 10,307,805
                                
 
                                - 
                                    Issue date Jun 4, 2019
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    Kenneth L. Niehaus
                                 
                        
                                            
                                - 
                                        
                                    B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
                                 
                        
                 
             
            - 
                
                
                    
                        Air stripper system and method
                    
                                            
                                - 
                                    Patent number 10,272,356
                                
 
                                - 
                                    Issue date Apr 30, 2019
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    David A. Fischer
                                 
                        
                                            
                                - 
                                        
                                    C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        Submersible landfill pump
                    
                                            
                                - 
                                    Patent number 10,030,651
                                
 
                                - 
                                    Issue date Jul 24, 2018
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    Mitchal  Cassel
                                 
                        
                                            
                                - 
                                        
                                    B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        Removable orifice plate device
                    
                                            
                                - 
                                    Patent number 9,926,759
                                
 
                                - 
                                    Issue date Mar 27, 2018
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    Douglas D. Colby
                                 
                        
                                            
                                - 
                                        
                                    E21 - EARTH DRILLING MINING
                                 
                        
                 
             
            - 
                
                
                    
                        Fine control gas valve
                    
                                            
                                - 
                                    Patent number 9,695,945
                                
 
                                - 
                                    Issue date Jul 4, 2017
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    Douglas D. Colby
                                 
                        
                                            
                                - 
                                        
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        Bladder-type sampling pump controller
                    
                                            
                                - 
                                    Patent number 6,508,310
                                
 
                                - 
                                    Issue date Jan 21, 2003
                                
 
                        
                                            
                                - 
                                        
                                    QED Environmental Systems, Inc.
                                 
                                - 
                                        
                                    David  Mioduszewski
                                 
                        
                                            
                                - 
                                        
                                    F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        Float operated pneumatic pump
                    
                                            
                                - 
                                    Patent number 5,495,890
                                
 
                                - 
                                    Issue date Mar 5, 1996
                                
 
                        
                                            
                                - 
                                        
                                    QED Environmental Systems, Inc.
                                 
                                - 
                                        
                                    David H. Edwards
                                 
                        
                                            
                                - 
                                        
                                    F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        Float operated pneumatic pump
                    
                                            
                                - 
                                    Patent number 5,358,038
                                
 
                                - 
                                    Issue date Oct 25, 1994
                                
 
                        
                                            
                                - 
                                        
                                    QED Environmental Systems, Inc.
                                 
                                - 
                                        
                                    David H. Edwards
                                 
                        
                                            
                                - 
                                        
                                    F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
                                 
                        
                 
             
    
     
    
        
            
        
            
            - 
                
                
                    
                        LANDFILL PUMP HAVING METERED CYCLING
                    
                                            
                                - 
                                    Publication number 20250092884
                                
 
                                - 
                                    Publication date Mar 20, 2025
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    Michael K. Lindquist
                                 
                        
                                            
                                - 
                                        
                                    B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        INLINE LANDFLL PUMP CYCLE COUNTER
                    
                                            
                                - 
                                    Publication number 20230193895
                                
 
                                - 
                                    Publication date Jun 22, 2023
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    Daniel O. Hayes
                                 
                        
                                            
                                - 
                                        
                                    F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
                                 
                        
                 
             
            - 
                
                
                    
                        SOIL SAMPLER
                    
                                            
                                - 
                                    Publication number 20230107158
                                
 
                                - 
                                    Publication date Apr 6, 2023
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    Mark T. Weinberger
                                 
                        
                                            
                                - 
                                        
                                    G01 - MEASURING TESTING
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        LIQUID LEVEL SENSOR SYSTEM
                    
                                            
                                - 
                                    Publication number 20210199001
                                
 
                                - 
                                    Publication date Jul 1, 2021
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    John F. SCHAUPP
                                 
                        
                                            
                                - 
                                        
                                    G01 - MEASURING TESTING
                                 
                        
                 
             
            - 
                
                
                    
                        LANDFILL WELL PUMP
                    
                                            
                                - 
                                    Publication number 20210115768
                                
 
                                - 
                                    Publication date Apr 22, 2021
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    John F. Schaupp
                                 
                        
                                            
                                - 
                                        
                                    E21 - EARTH DRILLING MINING
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        POPPET VALVE FOR FLUID PUMP
                    
                                            
                                - 
                                    Publication number 20200309114
                                
 
                                - 
                                    Publication date Oct 1, 2020
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    John F. SCHAUPP
                                 
                        
                                            
                                - 
                                        
                                    F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        GROUNDWATER SAMPLING PUMP
                    
                                            
                                - 
                                    Publication number 20200256342
                                
 
                                - 
                                    Publication date Aug 13, 2020
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    Douglas D. COLBY
                                 
                        
                                            
                                - 
                                        
                                    E21 - EARTH DRILLING MINING
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        BI-DIRECTIONAL, WATER SEPARATING FLOW NOZZLE
                    
                                            
                                - 
                                    Publication number 20190353185
                                
 
                                - 
                                    Publication date Nov 21, 2019
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    John  SCHAUPP
                                 
                        
                                            
                                - 
                                        
                                    F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        MODULAR PNEUMATIC WELL PUMP SYSTEM
                    
                                            
                                - 
                                    Publication number 20180202436
                                
 
                                - 
                                    Publication date Jul 19, 2018
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    David D. SIMPSON
                                 
                        
                                            
                                - 
                                        
                                    E21 - EARTH DRILLING MINING
                                 
                        
                 
             
            - 
                
                
                    
                        Pump Having Edge Mounted O-Ring Seal
                    
                                            
                                - 
                                    Publication number 20180058464
                                
 
                                - 
                                    Publication date Mar 1, 2018
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    Douglas D. COLBY
                                 
                        
                                            
                                - 
                                        
                                    F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        Air Stripper System And Method
                    
                                            
                                - 
                                    Publication number 20170304743
                                
 
                                - 
                                    Publication date Oct 26, 2017
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    David A. FISCHER
                                 
                        
                                            
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
                    
                        LANDFILL GAS WELLHEAD CAP ASSEMBLY
                    
                                            
                                - 
                                    Publication number 20170216894
                                
 
                                - 
                                    Publication date Aug 3, 2017
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    Kenneth L. NIEHAUS
                                 
                        
                                            
                                - 
                                        
                                    B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        Groundwater Sampling Pump
                    
                                            
                                - 
                                    Publication number 20160298632
                                
 
                                - 
                                    Publication date Oct 13, 2016
                                
 
                        
                                            
                                - 
                                        
                                    QED Environmental Systems, Inc.
                                 
                                - 
                                        
                                    Douglas D. COLBY
                                 
                        
                                            
                                - 
                                        
                                    F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
                                 
                        
                 
             
            - 
                
                
                    
                        REMOVABLE ORIFICE PLATE DEVICE
                    
                                            
                                - 
                                    Publication number 20150376969
                                
 
                                - 
                                    Publication date Dec 31, 2015
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
                                 
                                - 
                                        
                                    Douglas D. Colby
                                 
                        
                                            
                                - 
                                        
                                    G01 - MEASURING TESTING
                                 
                        
                 
             
            - 
                
                
            
 
    
     
    
        
            
        
            
            - 
                
                
                    
                        87271376 - VIASENSOR
                    
                                            
                                - 
                                    Serial number 87271376
                                
 
                                - 
                                    Registration number 5383662
                                
 
                                - 
                                    Filing date Dec 16, 2016
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 
                        
                    
                 
             
            - 
                
                
                    
                        85095952 - EASY BOLT
                    
                                            
                                - 
                                    Serial number 85095952
                                
 
                                - 
                                    Registration number 4024978
                                
 
                                - 
                                    Filing date Jul 29, 2010
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    6 - Common metals and their alloys
                                 
                        
                    
                 
             
            - 
                
                
                    
                        78871935 - GROUND WATER EXPRESS
                    
                                            
                                - 
                                    Serial number 78871935
                                
 
                                - 
                                    Filing date Apr 28, 2006
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    42 - Scientific and technological services and research and design relating thereto
                                 
                        
                    
                 
             
            - 
                
                
                    
                        78862700
                    
                                            
                                - 
                                    Serial number 78862700
                                
 
                                - 
                                    Filing date Apr 17, 2006
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        76640432 - RETRIEVER
                    
                                            
                                - 
                                    Serial number 76640432
                                
 
                                - 
                                    Registration number 3094817
                                
 
                                - 
                                    Filing date Jun 7, 2005
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 
                        
                    
                 
             
            - 
                
                
                    
                        76640437 - WATER-TO-WEB
                    
                                            
                                - 
                                    Serial number 76640437
                                
 
                                - 
                                    Registration number 3185288
                                
 
                                - 
                                    Filing date Jun 7, 2005
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 
                        
                    
                 
             
            - 
                
                
                    
                        76629894 - IRON HORSE
                    
                                            
                                - 
                                    Serial number 76629894
                                
 
                                - 
                                    Registration number 3151425
                                
 
                                - 
                                    Filing date Jan 26, 2005
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        78442175 - PURGE SAVER
                    
                                            
                                - 
                                    Serial number 78442175
                                
 
                                - 
                                    Filing date Jun 28, 2004
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 
                        
                    
                 
             
            - 
                
                
                    
                        76121797 - HAMMERHEAD
                    
                                            
                                - 
                                    Serial number 76121797
                                
 
                                - 
                                    Registration number 2597090
                                
 
                                - 
                                    Filing date Aug 30, 2000
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 
                        
                    
                 
             
            - 
                
                
                    
                        75275781 - TOUGH PUMPS
                    
                                            
                                - 
                                    Serial number 75275781
                                
 
                                - 
                                    Filing date Mar 31, 1997
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        75101859 - FERRET
                    
                                            
                                - 
                                    Serial number 75101859
                                
 
                                - 
                                    Registration number 2055061
                                
 
                                - 
                                    Filing date May 9, 1996
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        75046551 - E-Z STACKER
                    
                                            
                                - 
                                    Serial number 75046551
                                
 
                                - 
                                    Registration number 2085423
                                
 
                                - 
                                    Filing date Jan 17, 1996
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        75030935 - E-Z TRAY
                    
                                            
                                - 
                                    Serial number 75030935
                                
 
                                - 
                                    Registration number 2102638
                                
 
                                - 
                                    Filing date Dec 11, 1995
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74649926 - UP TIME
                    
                                            
                                - 
                                    Serial number 74649926
                                
 
                                - 
                                    Filing date Mar 21, 1995
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74571708 - GROUND WATER EXPRESS
                    
                                            
                                - 
                                    Serial number 74571708
                                
 
                                - 
                                    Registration number 1970899
                                
 
                                - 
                                    Filing date Sep 9, 1994
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    42 - Scientific and technological services and research and design relating thereto
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74418980 - WHITE WATER
                    
                                            
                                - 
                                    Serial number 74418980
                                
 
                                - 
                                    Registration number 1930488
                                
 
                                - 
                                    Filing date Aug 2, 1993
                                
 
                        
                                            
                                - 
                                        
                                    Q E D Environmental Systems, Inc.
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74277264 - SLEEPER
                    
                                            
                                - 
                                    Serial number 74277264
                                
 
                                - 
                                    Filing date May 20, 1992
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74277268 - MICRO PURGE
                    
                                            
                                - 
                                    Serial number 74277268
                                
 
                                - 
                                    Registration number 1933419
                                
 
                                - 
                                    Filing date May 20, 1992
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74277263 - PURGE SAVER
                    
                                            
                                - 
                                    Serial number 74277263
                                
 
                                - 
                                    Registration number 1842294
                                
 
                                - 
                                    Filing date May 20, 1992
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74277267 - VIPER
                    
                                            
                                - 
                                    Serial number 74277267
                                
 
                                - 
                                    Filing date May 20, 1992
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74277262 - Q-TAL
                    
                                            
                                - 
                                    Serial number 74277262
                                
 
                                - 
                                    Filing date May 20, 1992
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74277265 - PACKER PUMP
                    
                                            
                                - 
                                    Serial number 74277265
                                
 
                                - 
                                    Filing date May 20, 1992
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74277266 - FILL-A-BOOSTER
                    
                                            
                                - 
                                    Serial number 74277266
                                
 
                                - 
                                    Filing date May 20, 1992
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74147547 - QUICK FILTER
                    
                                            
                                - 
                                    Serial number 74147547
                                
 
                                - 
                                    Registration number 1733998
                                
 
                                - 
                                    Filing date Mar 14, 1991
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74117941 - SEEKER
                    
                                            
                                - 
                                    Serial number 74117941
                                
 
                                - 
                                    Registration number 1674802
                                
 
                                - 
                                    Filing date Nov 26, 1990
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74089859 - ELIMINATOR
                    
                                            
                                - 
                                    Serial number 74089859
                                
 
                                - 
                                    Filing date Aug 20, 1990
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74089850 - SOLO
                    
                                            
                                - 
                                    Serial number 74089850
                                
 
                                - 
                                    Registration number 1737487
                                
 
                                - 
                                    Filing date Aug 20, 1990
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74062493 - SMART PUMP
                    
                                            
                                - 
                                    Serial number 74062493
                                
 
                                - 
                                    Filing date May 25, 1990
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        74035823 - PULSESENDER
                    
                                            
                                - 
                                    Serial number 74035823
                                
 
                                - 
                                    Registration number 1623483
                                
 
                                - 
                                    Filing date Mar 8, 1990
                                
 
                        
                                            
                                - 
                                        
                                    Q.E.D. Environmental Systems, Inc.
                                 
                                - 
                                        
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 
                        
                    
                 
             
            -