Sawyer; Richard D.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sawyer; Richard D..The latest application filed is for "fuel cell having a hydrophilic substrate layer".

Company Profile

0.15.13

Sawyer; Richard D. - Groveton NH
Sawyer; Richard D. - Canton CT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Fuel cell having a hydrophilic substrate layer App 20110039178 - Bekkedahl; Timothy A. ; et al.	2011-02-17
Procedure for starting up a fuel cell system using a fuel purge Grant 7,410,712 - Reiser , et al. August 12, 2	2008-08-12
Fuel cell having a hydrophilic substrate layer App 20070298290 - Bekkedahl; Timothy A. ; et al.	2007-12-27
Fuel cell having a hydrophilic substrate layer Grant 7,258,945 - Bekkedahl , et al. August 21, 2	2007-08-21
Procedure for starting up a fuel cell system having an anode exhaust recycle loop Grant 7,250,229 - Yang , et al. July 31, 2	2007-07-31
Procedure for starting up a fuel cell system having an anode exhaust recycle loop App 20060093879 - Yang; Deliang ; et al.	2006-05-04
Procedure for starting up a fuel cell system using a fuel purge App 20050147855 - Reiser, Carl A. ; et al.	2005-07-07
Procedure for starting up a fuel cell system using a fuel purge Grant 6,887,599 - Reiser , et al. May 3, 2	2005-05-03
Procedure for shutting down a fuel cell system using air purge Grant 6,858,336 - Reiser , et al. February 22, 2	2005-02-22
Fuel cell having a hydrophilic substrate layer App 20040106034 - Bekkedahl, Timothy A. ; et al.	2004-06-03
Procedure for shutting down a fuel cell system using air purge App 20030134164 - Reiser, Carl A. ; et al.	2003-07-17
Procedure for starting up a fuel cell system using a fuel purge App 20030134165 - Reiser, Carl A. ; et al.	2003-07-17
Procedure for starting up a fuel cell system having an anode exhaust recycle loop App 20030129462 - Yang, Deliang ; et al.	2003-07-10
Method for increasing the operational efficiency of a fuel cell power plant Grant 6,569,549 - Sawyer May 27, 2	2003-05-27
Vacuum oxidant PEM fuel cell Grant 6,455,183 - Reiser , et al. September 24, 2	2002-09-24
Procedure for shutting down a fuel cell system having an anode exhaust recycle loop App 20020102443 - Yang, Deliang ; et al.	2002-08-01
Vacuum Oxidant Pem Fuel Cell App 20020102452 - Reiser, Carl A. ; et al.	2002-08-01
Procedure for shutting down a fuel cell system using air purge App 20020076583 - Reiser, Carl A. ; et al.	2002-06-20
Procedure for starting up a fuel cell system using a fuel purge App 20020076582 - Reiser, Carl A. ; et al.	2002-06-20
Fuel cell having a hydrophilic substrate layer App 20020071978 - Bekkedahl, Timothy A. ; et al.	2002-06-13
System for preventing gas pocket formation in a PEM coolant flow field Grant 6,306,530 - Blondin , et al. October 23, 2	2001-10-23
Fog-resisant mirror assembly Grant 5,347,106 - Reiser , et al. * September 13, 1	1994-09-13
Minimized corrosion fuel cell device and a method of making the same Grant 5,270,132 - Breault , et al. December 14, 1	1993-12-14
Solid polymer electrolyte fuel cell stack water management system Grant 4,769,297 - Reiser , et al. September 6, 1	1988-09-06
Fuel cell configuration for contaminated fuel gases and method of using the same Grant 4,755,439 - Trocciola , et al. July 5, 1	1988-07-05
Cooling system for electrochemical fuel cell Grant 4,574,112 - Breault , et al. March 4, 1	1986-03-04
Electrolyte vapor condenser Grant 4,372,759 - Sederquist , et al. February 8, 1	1983-02-08
Negative cell detector for a multi-cell fuel cell stack Grant 4,198,597 - Sawyer April 15, 1	1980-04-15

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