David Hadley

Person

Franklin, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Toilet flusher for water tanks with novel valves and dispensers
- Patent number 7,562,399
- Issue date Jul 21, 2009
- Arichell Technologies
- Natan E. Parsons
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Toilet flusher with novel valves and controls
- Patent number 6,934,976
- Issue date Aug 30, 2005
- Arichell Technologies, Inc.
- Natan E. Parsons
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device and method for operating at least two valves
- Patent number 6,874,535
- Issue date Apr 5, 2005
- Arichell Technologies, Inc.
- Natan E. Parsons
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and apparatus for combined conduit/electrical-conductor junc...
- Patent number 6,748,968
- Issue date Jun 15, 2004
- Arichell Technologies, Inc.
- Natan E. Parsons
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Device and method for operating at least two valves
- Patent number 6,508,272
- Issue date Jan 21, 2003
- Arichell Technologies, Inc.
- Natan E. Parsons
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Automatic tank-type flusher
- Patent number 6,263,519
- Issue date Jul 24, 2001
- Arichell Technologies, Inc.
- Natan E. Parsons
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
Bathroom flushers with novel sensors and controllers
- Publication number 20130061381
- Publication date Mar 14, 2013
- Natan E. Parsons
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Bathroom flushers with novel sensors and controllers
- Publication number 20100024112
- Publication date Feb 4, 2010
- Natan E. Parsons
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Toilet flusher with novel valves and controls
- Publication number 20060101566
- Publication date May 18, 2006
- Arichell Technologies, Inc.
- Natan E. Parsons
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Toilet flusher for water tanks with novel valves and dispensers
- Publication number 20050133754
- Publication date Jun 23, 2005
- Natan E. Parsons
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Toilet flusher with novel valves and controls
- Publication number 20040025238
- Publication date Feb 12, 2004
- Arichell Technologies, Inc.
- Natan E. Parsons
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Device and method for operating at least two valves
- Publication number 20030196706
- Publication date Oct 23, 2003
- Arichell Technologies, Inc.
- Natan E. Parsons
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

David Hadley

Person

Patents Grantslast 30 patents

Toilet flusher for water tanks with novel valves and dispensers

Toilet flusher with novel valves and controls

Device and method for operating at least two valves

Method and apparatus for combined conduit/electrical-conductor junc...

Device and method for operating at least two valves

Automatic tank-type flusher

Patents Applicationslast 30 patents

Bathroom flushers with novel sensors and controllers

Bathroom flushers with novel sensors and controllers

Toilet flusher with novel valves and controls

Toilet flusher for water tanks with novel valves and dispensers

Toilet flusher with novel valves and controls

Device and method for operating at least two valves