David Presby

Person

Sugar Hill, NH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Biofuel and method of biofuel production
- Patent number 12,018,223
- Issue date Jun 25, 2024
- David W. Presby
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Loading/unloading device for a delivery vehicle
- Patent number 12,005,825
- Issue date Jun 11, 2024
- David William Presby
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Loading/unloading device for a delivery vehicle
- Patent number 11,364,834
- Issue date Jun 21, 2022
- David William Presby
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Loading/unloading device for a delivery vehicle
- Patent number 11,161,445
- Issue date Nov 2, 2021
- David William Presby
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Modular wastewater treatment system configured for compact shipping
- Patent number 11,021,380
- Issue date Jun 1, 2021
- PRESBY PLASTICS, INC
- David W Presby
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Loading/unloading device for a delivery vehicle
- Patent number 10,576,863
- Issue date Mar 3, 2020
- David William Presby
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Modular liquid waste treatment system and method
- Patent number 9,783,439
- Issue date Oct 10, 2017
- Presby Patent Trust
- David W. Presby
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Liquid waste treatment apparatus
- Patent number 9,556,604
- Issue date Jan 31, 2017
- Presby Patent Trust
- David W. Presby
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Aggregate analysis techniques and apparatus
- Patent number 9,192,941
- Issue date Nov 24, 2015
- Presby Patent Trust
- David W. Presby
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Liquid waste treatment system
- Patent number 8,999,153
- Issue date Apr 7, 2015
- Presby Patent Trust
- David W. Presby
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Fluid conduit with layered and partial covering material thereon
- Patent number 8,815,094
- Issue date Aug 26, 2014
- Presby Patent Trust
- David W. Presby
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Apparatus and method for analyzing aggregate
- Patent number 8,807,345
- Issue date Aug 19, 2014
- Presby Patent Trust
- David W. Presby
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Apparatus and method for processing liquid waste
- Patent number 8,501,006
- Issue date Aug 6, 2013
- Presby Patent Trust
- David W. Presby
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fluid conduit with layered and partial covering material thereon
- Patent number 8,342,212
- Issue date Jan 1, 2013
- Presby Patent Trust
- David W. Presby
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for removal of contaminants from water
- Patent number 7,713,414
- Issue date May 11, 2010
- David W. Presby
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method, apparatus and system for removal of contaminants from water
- Patent number 7,288,190
- Issue date Oct 30, 2007
- David W. Presby
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Skimmer tab former
- Patent number 7,270,532
- Issue date Sep 18, 2007
- David W. Presby
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Means for coupling conduit
- Patent number 6,899,359
- Issue date May 31, 2005
- David W. Presby
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
End cap for a corrugated conduit
- Patent number 6,792,977
- Issue date Sep 21, 2004
- David W. Presby
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Plastic sewage pipe
- Patent number 6,461,078
- Issue date Oct 8, 2002
- David W. Presby
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Multi-level leaching system
- Patent number 6,290,429
- Issue date Sep 18, 2001
- David W. Presby
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Multi-layer material for processing septic efficient and waste wate...
- Patent number 5,954,451
- Issue date Sep 21, 1999
- David W. Presby
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus and method for producing pipe and pipe produced thereby
- Patent number 5,606,786
- Issue date Mar 4, 1997
- David W. Presby
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Means for precipitating out suspended solids in septic tank liquids
- Patent number 5,429,752
- Issue date Jul 4, 1995
- David W. Presby
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Gun muzzle loader
- Patent number 4,373,285
- Issue date Feb 15, 1983
- Kenneth M. Grout
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
BIOFUEL AND METHOD OF BIOFUEL PRODUCTION
- Publication number 20250019609
- Publication date Jan 16, 2025
- David W. Presby
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LOADING/UNLOADING DEVICE FOR A DELIVERY VEHICLE
- Publication number 20250018849
- Publication date Jan 16, 2025
- David William PRESBY
- B60 - VEHICLES IN GENERAL
Information Patent Application
LOADING/UNLOADING DEVICE FOR A DELIVERY VEHICLE
- Publication number 20230331134
- Publication date Oct 19, 2023
- David William PRESBY
- B60 - VEHICLES IN GENERAL
Information Patent Application
BIOFUEL AND METHOD OF BIOFUEL PRODUCTION
- Publication number 20220177794
- Publication date Jun 9, 2022
- David W. Presby
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LOADING/UNLOADING DEVICE FOR A DELIVERY VEHICLE
- Publication number 20220144156
- Publication date May 12, 2022
- David William PRESBY
- B60 - VEHICLES IN GENERAL
Information Patent Application
LOADING/UNLOADING DEVICE FOR A DELIVERY VEHICLE
- Publication number 20200238883
- Publication date Jul 30, 2020
- David William PRESBY
- B60 - VEHICLES IN GENERAL
Information Patent Application
FOLDABLE AND REMOVABLE PARTITION ASSEMBLY FOR SEPTIC TANK
- Publication number 20190160396
- Publication date May 30, 2019
- PRESBY PATENT TRUST
- David William PRESBY
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
MODULAR LIQUID WASTE TREATMENT INTEGRATED FIN MEMBERS, STRUCTURE, A...
- Publication number 20190160397
- Publication date May 30, 2019
- PRESBY PATENT TRUST
- David William PRESBY
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
LOADING/UNLOADING DEVICE FOR A DELIVERY VEHICLE
- Publication number 20180043814
- Publication date Feb 15, 2018
- PRESBY PATENT TRUST
- David William PRESBY
- B60 - VEHICLES IN GENERAL
Information Patent Application
MODULAR LIQUID WASTE TREATMENT SYSTEM AND METHOD
- Publication number 20170217787
- Publication date Aug 3, 2017
- PRESBY PATENT TRUST
- David W. Presby
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
LIQUID WASTE TREATMENT APPARATUS
- Publication number 20170114534
- Publication date Apr 27, 2017
- PRESBY PATENT TRUST
- David Presby
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
LIQUID WASTE TREATMENT APPARATUS
- Publication number 20160017589
- Publication date Jan 21, 2016
- PRESBY PATENT TRUST
- David W. Presby
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Modular Liquid Waste Treatment System and Method
- Publication number 20150329396
- Publication date Nov 19, 2015
- PRESBY PATENT TRUST
- David W. Presby
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
LIQUID WASTE TREATMENT APPARATUS
- Publication number 20140360617
- Publication date Dec 11, 2014
- David W. Presby
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
AGGREGATE ANALYSIS TECHNIQUES AND APPARATUS
- Publication number 20140353217
- Publication date Dec 4, 2014
- David W. Presby
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
FLUID CONDUIT WITH LAYERED AND PARTIAL COVERING MATERIAL THEREON
- Publication number 20130105392
- Publication date May 2, 2013
- PRESBY PATENT TRUST
- David W. Presby
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
LIQUID WASTE TREATMENT APPARATUS
- Publication number 20130092629
- Publication date Apr 18, 2013
- PRESBY PATENT TRUST
- David W. Presby
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
APPARATUS AND METHOD FOR ANALYZING AGGREGATE
- Publication number 20130032512
- Publication date Feb 7, 2013
- PRESBY PATENT TRUST
- David W. Presby
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
APPARATUS AND METHOD FOR PROCESSING LIQUID WASTE
- Publication number 20110284477
- Publication date Nov 24, 2011
- PRESBY PATENT TRUST
- David W. Presby
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fluid Conduit with Layered and Partial Covering Material Thereon
- Publication number 20080271805
- Publication date Nov 6, 2008
- David W. Presby
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method, apparatus and system for removal of contaminants from water
- Publication number 20080041784
- Publication date Feb 21, 2008
- David W. Presby
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Means for coupling conduit
- Publication number 20050104376
- Publication date May 19, 2005
- David W. Presby
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Method, apparatus and system for removal of contaminants from water
- Publication number 20050040104
- Publication date Feb 24, 2005
- David W. Presby
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Method, apparatus and actuatable skimmer tab former for creating ap...
- Publication number 20040151547
- Publication date Aug 5, 2004
- David W. Presby
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method, apparatus and actuatable perforator for creating apertures...
- Publication number 20030145708
- Publication date Aug 7, 2003
- David W. Presby
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
End cap for a corrugated conduit
- Publication number 20020079009
- Publication date Jun 27, 2002
- David W. Presby
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Means for coupling conduit
- Publication number 20020059703
- Publication date May 23, 2002
- David W. Presby
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

David Presby

Person

Patents Grantslast 30 patents

Biofuel and method of biofuel production

Loading/unloading device for a delivery vehicle

Loading/unloading device for a delivery vehicle

Loading/unloading device for a delivery vehicle

Modular wastewater treatment system configured for compact shipping

Loading/unloading device for a delivery vehicle

Modular liquid waste treatment system and method

Liquid waste treatment apparatus

Aggregate analysis techniques and apparatus

Liquid waste treatment system

Fluid conduit with layered and partial covering material thereon

Apparatus and method for analyzing aggregate

Apparatus and method for processing liquid waste

Fluid conduit with layered and partial covering material thereon

Method for removal of contaminants from water

Method, apparatus and system for removal of contaminants from water

Skimmer tab former

Means for coupling conduit

End cap for a corrugated conduit

Plastic sewage pipe

Multi-level leaching system

Multi-layer material for processing septic efficient and waste wate...

Apparatus and method for producing pipe and pipe produced thereby

Means for precipitating out suspended solids in septic tank liquids

Gun muzzle loader

Patents Applicationslast 30 patents

BIOFUEL AND METHOD OF BIOFUEL PRODUCTION

LOADING/UNLOADING DEVICE FOR A DELIVERY VEHICLE

LOADING/UNLOADING DEVICE FOR A DELIVERY VEHICLE

BIOFUEL AND METHOD OF BIOFUEL PRODUCTION

LOADING/UNLOADING DEVICE FOR A DELIVERY VEHICLE

LOADING/UNLOADING DEVICE FOR A DELIVERY VEHICLE

FOLDABLE AND REMOVABLE PARTITION ASSEMBLY FOR SEPTIC TANK

MODULAR LIQUID WASTE TREATMENT INTEGRATED FIN MEMBERS, STRUCTURE, A...

LOADING/UNLOADING DEVICE FOR A DELIVERY VEHICLE

MODULAR LIQUID WASTE TREATMENT SYSTEM AND METHOD

LIQUID WASTE TREATMENT APPARATUS

LIQUID WASTE TREATMENT APPARATUS

Modular Liquid Waste Treatment System and Method

LIQUID WASTE TREATMENT APPARATUS

AGGREGATE ANALYSIS TECHNIQUES AND APPARATUS

FLUID CONDUIT WITH LAYERED AND PARTIAL COVERING MATERIAL THEREON

LIQUID WASTE TREATMENT APPARATUS

APPARATUS AND METHOD FOR ANALYZING AGGREGATE

APPARATUS AND METHOD FOR PROCESSING LIQUID WASTE

Fluid Conduit with Layered and Partial Covering Material Thereon

Method, apparatus and system for removal of contaminants from water

Means for coupling conduit

Method, apparatus and system for removal of contaminants from water

Method, apparatus and actuatable skimmer tab former for creating ap...

Method, apparatus and actuatable perforator for creating apertures...

End cap for a corrugated conduit

Means for coupling conduit