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Dirk Wexel
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Mainz-Kastel, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Cold start pre-heater for a fuel cell system
Patent number
7,368,196
Issue date
May 6, 2008
General Motors Corporation
Dirk M. Wexel
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Operation method and purging system for a hydrogen demand/delivery...
Patent number
7,354,669
Issue date
Apr 8, 2008
General Motors Corporation
Ralph T. J. Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Integrated air cooler, filter, and humidification unit for a fuel c...
Patent number
7,226,680
Issue date
Jun 5, 2007
General Motors Corporation
Dirk Wexel
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fluid handling device for hydrogen-containing process fluids
Patent number
7,217,469
Issue date
May 15, 2007
General Motors Corporation
Ralph Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Supply unit cooling
Patent number
7,155,916
Issue date
Jan 2, 2007
General Motors Corporation
Ralph Hobmeyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for preventing condensation in cathode exhaust...
Publication number
20060110634
Publication date
May 25, 2006
Volker Formanski
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Metal hydride heating element
Publication number
20050079397
Publication date
Apr 14, 2005
Holger Winkelmann
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Supply unit cooling
Publication number
20050066680
Publication date
Mar 31, 2005
Ralph Hobmeyr
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fluid handling device for hydrogen-containing process fluids
Publication number
20040241020
Publication date
Dec 2, 2004
Ralph Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Operation method and purging system for a hydrogen demand/delivery...
Publication number
20040219401
Publication date
Nov 4, 2004
Ralph T.J. Hobmeyr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Cold start pre-heater for a fuel cell system
Publication number
20040209135
Publication date
Oct 21, 2004
Dirk M. Wexel
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Integrated air cooler, filter, and humidification unit for a fuel c...
Publication number
20040157098
Publication date
Aug 12, 2004
Dirk Wexel
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...