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                        Apparatus for aerating bodies of water
                    
                                            
                                - 
                                    Patent number 11,484,848
                                
 
                                - 
                                    Issue date Nov 1, 2022
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Höfken
                                 
                        
                                            
                                - 
                                        
                                    C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
                                 
                        
                 
             
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                        Horizontal agitator
                    
                                            
                                - 
                                    Patent number 9,957,800
                                
 
                                - 
                                    Issue date May 1, 2018
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
                                 
                        
                 
             
            - 
                
                
                    
                        Horizontal agitator
                    
                                            
                                - 
                                    Patent number 9,687,798
                                
 
                                - 
                                    Issue date Jun 27, 2017
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        Device for gassing liquids
                    
                                            
                                - 
                                    Patent number 9,556,047
                                
 
                                - 
                                    Issue date Jan 31, 2017
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
                                 
                        
                 
             
            - 
                
                
                    
                        Decanter
                    
                                            
                                - 
                                    Patent number 9,433,879
                                
 
                                - 
                                    Issue date Sep 6, 2016
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
                    
                        Fluid moving device
                    
                                            
                                - 
                                    Patent number D735291
                                
 
                                - 
                                    Issue date Jul 28, 2015
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    D23 - Environmental heating and cooling
                                 
                        
                 
             
            - 
                
                
                    
                        Element for a stirring body
                    
                                            
                                - 
                                    Patent number D733839
                                
 
                                - 
                                    Issue date Jul 7, 2015
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    D23 - Environmental heating and cooling
                                 
                        
                 
             
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            - 
                
                
            
 
            - 
                
                
                    
                        Fluid moving device
                    
                                            
                                - 
                                    Patent number D709591
                                
 
                                - 
                                    Issue date Jul 22, 2014
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    D23 - Environmental heating and cooling
                                 
                        
                 
             
            - 
                
                
                    
                        Decanter
                    
                                            
                                - 
                                    Patent number D700273
                                
 
                                - 
                                    Issue date Feb 25, 2014
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    D23 - Environmental heating and cooling
                                 
                        
                 
             
            - 
                
                
                    
                        Stirring device for activated sludges
                    
                                            
                                - 
                                    Patent number 8,651,732
                                
 
                                - 
                                    Issue date Feb 18, 2014
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        Stirring device for activated sludges
                    
                                            
                                - 
                                    Patent number 8,434,744
                                
 
                                - 
                                    Issue date May 7, 2013
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
                                 
                        
                 
             
            - 
                
                
                    
                        Horizontal agitator
                    
                                            
                                - 
                                    Patent number 8,408,783
                                
 
                                - 
                                    Issue date Apr 2, 2013
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
                    
                        Stirring body
                    
                                            
                                - 
                                    Patent number D665047
                                
 
                                - 
                                    Issue date Aug 7, 2012
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Höfken
                                 
                        
                                            
                                - 
                                        
                                    D23 - Environmental heating and cooling
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        Decanter with swivel discharge pipe
                    
                                            
                                - 
                                    Patent number 7,871,516
                                
 
                                - 
                                    Issue date Jan 18, 2011
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt-und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
    
     
        
    
        
            
        
            
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            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        APPARATUS FOR AERATING BODIES OF WATER
                    
                                            
                                - 
                                    Publication number 20210316257
                                
 
                                - 
                                    Publication date Oct 14, 2021
                                
 
                        
                                            
                                - 
                                        
                                    INVENT UMWELT - UND VERFAHRENSTECHNIK AG
                                 
                                - 
                                        
                                    Marcus  HÖFKEN
                                 
                        
                                            
                                - 
                                        
                                    C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        STIRRING DEVICE FOR WASTEWATER
                    
                                            
                                - 
                                    Publication number 20170065945
                                
 
                                - 
                                    Publication date Mar 9, 2017
                                
 
                        
                                            
                                - 
                                        
                                    INVENT UMWELT - UND VERFAHRENSTECHNIK AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    G01 - MEASURING TESTING
                                 
                        
                 
             
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            - 
                
                
            
 
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            - 
                
                
            
 
            - 
                
                
                    
                        HORIZONTAL AGITATOR
                    
                                            
                                - 
                                    Publication number 20150063998
                                
 
                                - 
                                    Publication date Mar 5, 2015
                                
 
                        
                                            
                                - 
                                        
                                    INVENT UMWELT - UND VERFAHRENSTECHNIK AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        DECANTER
                    
                                            
                                - 
                                    Publication number 20140353245
                                
 
                                - 
                                    Publication date Dec 4, 2014
                                
 
                        
                                            
                                - 
                                        
                                    INVENT UMWELT - UND VERFAHRENSTECHNIK AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
                    
                        DEVICE FOR GASSING LIQUIDS
                    
                                            
                                - 
                                    Publication number 20130093106
                                
 
                                - 
                                    Publication date Apr 18, 2013
                                
 
                        
                                            
                                - 
                                        
                                    INVENT UMWELT - UND VERFAHRENSTECHNIK AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        DEVICE FOR CLEANING WASTEWATER
                    
                                            
                                - 
                                    Publication number 20120255917
                                
 
                                - 
                                    Publication date Oct 11, 2012
                                
 
                        
                                            
                                - 
                                        
                                    INVENT UMWELT - UND VERFAHRENSTECHNIK AG
                                 
                                - 
                                        
                                    Franz  Durst
                                 
                        
                                            
                                - 
                                        
                                    Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        STIRRING DEVICE FOR ACTIVATED SLUDGES
                    
                                            
                                - 
                                    Publication number 20100201008
                                
 
                                - 
                                    Publication date Aug 12, 2010
                                
 
                        
                                            
                                - 
                                        
                                    INVENT UMWELT - UND VERFAHRENSTECHNIK AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
                    
                        STIRRING DEVICE FOR ACTIVATED SLUDGES
                    
                                            
                                - 
                                    Publication number 20100196165
                                
 
                                - 
                                    Publication date Aug 5, 2010
                                
 
                        
                                            
                                - 
                                        
                                    INVENT UMWELT - UND VERFAHRENSTECHNIK AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
                    
                        STIRRING DEVICE FOR ACTIVATED SLUDGES
                    
                                            
                                - 
                                    Publication number 20100182869
                                
 
                                - 
                                    Publication date Jul 22, 2010
                                
 
                        
                                            
                                - 
                                        
                                    INVENT UMWELT - UND VERFAHRENSTECHNIK AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
            
 
            - 
                
                
            
 
            - 
                
                
                    
                        Decanter with swivel discharge pipe
                    
                                            
                                - 
                                    Publication number 20090236278
                                
 
                                - 
                                    Publication date Sep 24, 2009
                                
 
                        
                                            
                                - 
                                        
                                    INVENT UMWELT - UND VERFAHRENSTECHNIK AG
                                 
                                - 
                                        
                                    Marcus  Hoefken
                                 
                        
                                            
                                - 
                                        
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 
                        
                 
             
            - 
                
                
            
 
    
     
        
    
        
            
        
            
            - 
                
                
                    
                        79364862 - IGSR
                    
                                            
                                - 
                                    Serial number 79364862
                                
 
                                - 
                                    Registration number 7554047
                                
 
                                - 
                                    Filing date Nov 25, 2022
                                
 
                        
                                            
                                - 
                                        
                                    INVENT Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        88705092 - DYNAMIX
                    
                                            
                                - 
                                    Serial number 88705092
                                
 
                                - 
                                    Registration number 6907492
                                
 
                                - 
                                    Filing date Nov 25, 2019
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
                                 
                        
                    
                 
             
            - 
                
                
                    
                        79251904 - INVENT HYPERMIX
                    
                                            
                                - 
                                    Serial number 79251904
                                
 
                                - 
                                    Registration number 5899719
                                
 
                                - 
                                    Filing date Jan 23, 2019
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        79248331 - CYBERSLUDGE
                    
                                            
                                - 
                                    Serial number 79248331
                                
 
                                - 
                                    Registration number 5859517
                                
 
                                - 
                                    Filing date Nov 7, 2018
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        79248748 - IBC-MIX
                    
                                            
                                - 
                                    Serial number 79248748
                                
 
                                - 
                                    Registration number 5859519
                                
 
                                - 
                                    Filing date Nov 7, 2018
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        79247047 - IFILT
                    
                                            
                                - 
                                    Serial number 79247047
                                
 
                                - 
                                    Registration number 6413413
                                
 
                                - 
                                    Filing date Oct 31, 2018
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        87578802 - HYPERPITCH
                    
                                            
                                - 
                                    Serial number 87578802
                                
 
                                - 
                                    Registration number 5553281
                                
 
                                - 
                                    Filing date Aug 22, 2017
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        79115494 - ALPHAMETER
                    
                                            
                                - 
                                    Serial number 79115494
                                
 
                                - 
                                    Registration number 4352123
                                
 
                                - 
                                    Filing date May 16, 2012
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 
                        
                    
                 
             
            - 
                
                
                    
                        79115005 - I-TURBO
                    
                                            
                                - 
                                    Serial number 79115005
                                
 
                                - 
                                    Registration number 4299835
                                
 
                                - 
                                    Filing date Apr 4, 2012
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        79093953 - INVENT
                    
                                            
                                - 
                                    Serial number 79093953
                                
 
                                - 
                                    Registration number 4085857
                                
 
                                - 
                                    Filing date Dec 15, 2010
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        85057615 - I SBR
                    
                                            
                                - 
                                    Serial number 85057615
                                
 
                                - 
                                    Registration number 4335208
                                
 
                                - 
                                    Filing date Jun 8, 2010
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    6 - Common metals and their alloys
                                 
                        
                    
                 
             
            - 
                
                
                    
                        77899877 - H
                    
                                            
                                - 
                                    Serial number 77899877
                                
 
                                - 
                                    Filing date Dec 23, 2009
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        77899846 - EPURE
                    
                                            
                                - 
                                    Serial number 77899846
                                
 
                                - 
                                    Filing date Dec 23, 2009
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
                    
                        77173377 - CYBERFLOW
                    
                                            
                                - 
                                    Serial number 77173377
                                
 
                                - 
                                    Registration number 3421686
                                
 
                                - 
                                    Filing date May 4, 2007
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools
                                 
                        
                    
                 
             
            - 
                
                
            
 
            - 
                
                
                    
                        78857587 - SAFETY LOCK TECHNOLOGY
                    
                                            
                                - 
                                    Serial number 78857587
                                
 
                                - 
                                    Registration number 3531057
                                
 
                                - 
                                    Filing date Apr 10, 2006
                                
 
                        
                                            
                                - 
                                        
                                    Invent Umwelt- und Verfahrenstechnik AG
                                 
                                - 
                                        
                                    7 - Machines and machine tools