Douglas P. Hand

Person

Lake Oswego, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Flush valve structure for a toilet tank
- Patent number 8,819,874
- Issue date Sep 2, 2014
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Flush valve structure for a toilet tank
- Patent number 7,865,979
- Issue date Jan 11, 2011
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Toilet valve assembly
- Patent number 6,658,673
- Issue date Dec 9, 2003
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Toilet valve assembly
- Patent number 6,637,042
- Issue date Oct 28, 2003
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Toilet valve assembly
- Patent number 6,484,327
- Issue date Nov 26, 2002
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
FLUSH VALVE STRUCTURE FOR A TOILET TANK
- Publication number 20130283514
- Publication date Oct 31, 2013
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
FLUSH VALVE STRUCTURE FOR A TOILET TANK
- Publication number 20130283513
- Publication date Oct 31, 2013
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
FLUSH VALVE STRUCTURE FOR A TOILET TANK
- Publication number 20100162477
- Publication date Jul 1, 2010
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
FLUSH VALVE STRUCTURE FOR A TOILET TANK
- Publication number 20100024114
- Publication date Feb 4, 2010
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
FLUSH VALVE STRUCTURE FOR A TOILET TANK
- Publication number 20090013456
- Publication date Jan 15, 2009
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Adjustable toilet valve assembly
- Publication number 20060053542
- Publication date Mar 16, 2006
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Adjustable toilet valve assembly
- Publication number 20050193483
- Publication date Sep 8, 2005
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Replaceable toilet valve lip
- Publication number 20050097664
- Publication date May 12, 2005
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Outflow valve assembly for a toilet tank
- Publication number 20050091734
- Publication date May 5, 2005
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Flush handles for dual flush-volume toilet system
- Publication number 20040064879
- Publication date Apr 8, 2004
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Toilet valve assembly
- Publication number 20030074727
- Publication date Apr 24, 2003
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Toilet valve assembly
- Publication number 20030028958
- Publication date Feb 13, 2003
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Toilet valve assembly
- Publication number 20020095719
- Publication date Jul 25, 2002
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Toilet valve assembly
- Publication number 20020095717
- Publication date Jul 25, 2002
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Toilet valve assembly
- Publication number 20020095718
- Publication date Jul 25, 2002
- Douglas P. Hand
- E03 - WATER SUPPLY SEWERAGE

Douglas P. Hand

Person

Patents Grantslast 30 patents

Flush valve structure for a toilet tank

Flush valve structure for a toilet tank

Toilet valve assembly

Toilet valve assembly

Toilet valve assembly

Patents Applicationslast 30 patents

FLUSH VALVE STRUCTURE FOR A TOILET TANK

FLUSH VALVE STRUCTURE FOR A TOILET TANK

FLUSH VALVE STRUCTURE FOR A TOILET TANK

FLUSH VALVE STRUCTURE FOR A TOILET TANK

FLUSH VALVE STRUCTURE FOR A TOILET TANK

Adjustable toilet valve assembly

Adjustable toilet valve assembly

Replaceable toilet valve lip

Outflow valve assembly for a toilet tank

Flush handles for dual flush-volume toilet system

Toilet valve assembly

Toilet valve assembly

Toilet valve assembly

Toilet valve assembly

Toilet valve assembly