Richard J. Graham

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Scotia, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Technique to regulate an efficiency of a fuel cell system
- Patent number 7,166,378
- Issue date Jan 23, 2007
- Plug Power Inc.
- Ryan Hallum
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Technique to regulate an efficiency of a fuel cell system
- Patent number 7,166,379
- Issue date Jan 23, 2007
- Plug Power Inc.
- Ryan Hallum
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Technique to regulate an efficiency of a fuel cell system
- Patent number 6,650,968
- Issue date Nov 18, 2003
- Plug Power Inc.
- Ryan Hallum
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
Conditioning a de-sulfurization system
- Publication number 20070154359
- Publication date Jul 5, 2007
- Parshant Dhand
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Technique to regulate an efficiency of a fuel cell system
- Publication number 20040101719
- Publication date May 27, 2004
- Ryan Hallum
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Technique to regulate an efficiency of a fuel cell system
- Publication number 20040091756
- Publication date May 13, 2004
- Ryan Hallum
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Technique to regulate an efficiency of a fuel cell system
- Publication number 20020081466
- Publication date Jun 27, 2002
- Ryan Hallum
- H01 - BASIC ELECTRIC ELEMENTS