David Nichols-Roy

Person

People

Patents Grantslast 30 patents

Information Patent Grant
Dosing spout and system
- Patent number 8,783,512
- Issue date Jul 22, 2014
- Richard B. Heatherly
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Offset outlet flush valve
- Patent number 8,590,066
- Issue date Nov 26, 2013
- Lavelle Industries, Inc.
- Alberto C. Torres
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Water saver fill valve and assembly
- Patent number 7,661,438
- Issue date Feb 16, 2010
- David Nichols-Roy
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Flush valve with adjustable overflow tube and method for installing...
- Patent number 7,636,958
- Issue date Dec 29, 2009
- Lavelle Industries, Inc.
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Apparatus for delaying the closing of a toilet flapper valve
- Patent number 6,880,181
- Issue date Apr 19, 2005
- Lavelle Industries, Inc.
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Toilet tank fill valve connectable to riser with pre-selected height
- Patent number 6,260,574
- Issue date Jul 17, 2001
- Lavelle Industries, Inc.
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Top mounted flush valve for a toilet tank
- Patent number 6,192,526
- Issue date Feb 27, 2001
- Lavelle Industries, Inc.
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Fill valve float arm connection
- Patent number 6,142,174
- Issue date Nov 7, 2000
- Hunter Industries, Inc.
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Unitary float and arm for float operated valve
- Patent number 6,003,541
- Issue date Dec 21, 1999
- Hunter Industries, Inc.
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Combined filter and noise suppressor for fill valve
- Patent number 5,975,125
- Issue date Nov 2, 1999
- Hunter Plumbing Products
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Pilot operated diaphragm fill valve
- Patent number 5,836,346
- Issue date Nov 17, 1998
- Hunter Plumbing Products
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Adjustable fill valve assembly
- Patent number 5,715,859
- Issue date Feb 10, 1998
- Hunter Plumbing Products
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Toilet flush tank fill valve assembly
- Patent number 5,623,961
- Issue date Apr 29, 1997
- Hunter Plumbing Products
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Dual-flush control apparatus
- Patent number 5,603,128
- Issue date Feb 18, 1997
- Hunter Plumbing Products
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Dual-flush refill apparatus
- Patent number 5,594,959
- Issue date Jan 21, 1997
- Hunter Plumbing Products
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Dual-flush refill control apparatus
- Patent number 5,584,080
- Issue date Dec 17, 1996
- Hunter Plumbing Products
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Dual-flush refill control apparatus
- Patent number 5,452,482
- Issue date Sep 26, 1995
- Hunter Plumbing Products
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Accelerated rim wash for a toilet
- Patent number 4,996,726
- Issue date Mar 5, 1991
- Masco Corporation of Indiana
- Donald C. Schrock
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
DOSING SPOUT AND SYSTEM
- Publication number 20140312060
- Publication date Oct 23, 2014
- Richard B. Heatherly
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Application
DOSING SPOUT AND SYSTEM
- Publication number 20110309103
- Publication date Dec 22, 2011
- RICHARD B. HEATHERLY
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Application
TOILET FLAPPER VALVE AND ASSEMBLY
- Publication number 20080134422
- Publication date Jun 12, 2008
- DAVID NICHOLS-ROY
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Water saver fill valve and assembly
- Publication number 20080078454
- Publication date Apr 3, 2008
- David Nichols-Roy
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Offset outlet flush valve and method for making same
- Publication number 20070101486
- Publication date May 10, 2007
- Alberto C. Torres
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Flush valve with adjustable overflow tube and method for installing...
- Publication number 20060218712
- Publication date Oct 5, 2006
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Apparatus for delaying the closing of a toilet flapper valve
- Publication number 20040172746
- Publication date Sep 9, 2004
- David Nichols-Roy
- E03 - WATER SUPPLY SEWERAGE

David Nichols-Roy

Person

Patents Grantslast 30 patents

Dosing spout and system

Offset outlet flush valve

Water saver fill valve and assembly

Flush valve with adjustable overflow tube and method for installing...

Apparatus for delaying the closing of a toilet flapper valve

Toilet tank fill valve connectable to riser with pre-selected height

Top mounted flush valve for a toilet tank

Fill valve float arm connection

Unitary float and arm for float operated valve

Combined filter and noise suppressor for fill valve

Pilot operated diaphragm fill valve

Adjustable fill valve assembly

Toilet flush tank fill valve assembly

Dual-flush control apparatus

Dual-flush refill apparatus

Dual-flush refill control apparatus

Dual-flush refill control apparatus

Accelerated rim wash for a toilet

Patents Applicationslast 30 patents

DOSING SPOUT AND SYSTEM

DOSING SPOUT AND SYSTEM

TOILET FLAPPER VALVE AND ASSEMBLY

Water saver fill valve and assembly

Offset outlet flush valve and method for making same

Flush valve with adjustable overflow tube and method for installing...

Apparatus for delaying the closing of a toilet flapper valve