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George Grech
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Garden City, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Sealing member for a flush toilet
Patent number
9,080,323
Issue date
Jul 14, 2015
Thetford Corporation
George Grech
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Flush toilet control system and related method
Patent number
8,997,268
Issue date
Apr 7, 2015
Thetford Corporation
James K. Miller
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Drain system
Patent number
8,826,939
Issue date
Sep 9, 2014
Thetford Corporation
Suzanne Damaske
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Dual diaphragm pump assembly for a sanitation system
Patent number
8,529,223
Issue date
Sep 10, 2013
Thetford Corporation
William R. Cohoon
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Macerator toilet
Patent number
8,276,218
Issue date
Oct 2, 2012
Thetford Corporation
George Grech
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Flush toilet control system and related method
Patent number
8,230,531
Issue date
Jul 31, 2012
Thetford Corporation
James K. Miller
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Flush toilet with improved flow pattern
Patent number
8,176,577
Issue date
May 15, 2012
Thetford Corporation
George Grech
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Reduced water consumption flush toilet
Patent number
7,861,331
Issue date
Jan 4, 2011
Thetford Corporation
George Grech
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Toilet
Patent number
D537151
Issue date
Feb 20, 2007
Thetford Corporation
Mark Good
D23 - Environmental heating and cooling
Information
Patent Grant
Self-contained, bench-type sanitary system
Patent number
D536076
Issue date
Jan 30, 2007
Thetford Corporation
Dan Delaney
D23 - Environmental heating and cooling
Information
Patent Grant
Flush toilets for RV's and boats
Patent number
6,871,361
Issue date
Mar 29, 2005
Thetford Corporation
George Grech
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Flush toilet
Patent number
D484957
Issue date
Jan 6, 2004
Thetford Corporation
George Grech
D23 - Environmental heating and cooling
Information
Patent Grant
Flush toilet for RV's and boats
Patent number
6,584,623
Issue date
Jul 1, 2003
Thetford Corporation
George Grech
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Flush toilet for RV's and boats
Patent number
6,397,405
Issue date
Jun 4, 2002
Thetford Corporation
George Grech
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Toilet with improved flush nozzle
Patent number
5,715,544
Issue date
Feb 10, 1998
Thetford Corporation
Carrie E. Huffman
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Pneumatic sealing device for waste disposal systems
Patent number
5,247,974
Issue date
Sep 28, 1993
Thetford Corporation
Charles L. Sargent
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Telescoping drain assembly for recreational vehicles
Patent number
4,779,650
Issue date
Oct 25, 1988
Thetford Corporation
Charles L. Sargent
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
DRAIN SYSTEM FOR A MOTOR VEHICLE
Publication number
20160061359
Publication date
Mar 3, 2016
THETFORD CORPORATION
George GRECH
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
FLUSH TOILET CONTROL SYSTEM AND RELATED METHOD
Publication number
20130232677
Publication date
Sep 12, 2013
THETFORD CORPORATION
James K. Miller
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
FLUSH TOILET CONTROL SYSTEM AND RELATED METHOD
Publication number
20120222206
Publication date
Sep 6, 2012
THETFORD CORPORATION
James K. Miller
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
SEALING MEMBER FOR A FLUSH TOILET
Publication number
20110094024
Publication date
Apr 28, 2011
THETFORD CORPORATION
George Grech
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
FLUSH TOILET WITH IMPROVED FLOW PATTERN
Publication number
20110094023
Publication date
Apr 28, 2011
THETFORD CORPORATION
George Grech
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
DRAIN SYSTEM
Publication number
20100018590
Publication date
Jan 28, 2010
THETFORD CORPORATION
Suzanne Damaske
B60 - VEHICLES IN GENERAL
Information
Patent Application
DRAIN SYSTEM FOR A MOTOR VEHICLE
Publication number
20090236001
Publication date
Sep 24, 2009
Suzanne DAMASKE
B60 - VEHICLES IN GENERAL
Information
Patent Application
DUAL DIAPHRAGM PUMP ASSEMBLY FOR A SANITATION SYSTEM
Publication number
20090092505
Publication date
Apr 9, 2009
THETFORD CORPORATION, A DELAWARE CORPORATION
William R. Cohoon
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Reduced Water Consumption Flush Toilet
Publication number
20080047053
Publication date
Feb 28, 2008
THETFORD CORPORATION
George Grech
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
MACERATOR TOILET
Publication number
20070240255
Publication date
Oct 18, 2007
THETFORD CORPORATION
George GRECH
B60 - VEHICLES IN GENERAL
Information
Patent Application
FLUSH TOILET CONTROL SYSTEM AND RELATED METHOD
Publication number
20070113330
Publication date
May 24, 2007
James K. MILLER
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Bench-type waste transfer arrangement
Publication number
20050283893
Publication date
Dec 29, 2005
Dan Delaney
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Flush toilets for RV's and boats
Publication number
20040088783
Publication date
May 13, 2004
George Grech
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Waste management system for a vehicle
Publication number
20030033664
Publication date
Feb 20, 2003
George Grech
B60 - VEHICLES IN GENERAL
Information
Patent Application
Flush toilets for RV's and boats
Publication number
20030000008
Publication date
Jan 2, 2003
George Grech
E03 - WATER SUPPLY SEWERAGE