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Joerg Roth
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Trubur, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Water transport features for diffusion media
Patent number
8,211,589
Issue date
Jul 3, 2012
GM Global Technology Operations LLC
Joerg Roth
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Reduction of voltage loss by voltage cycle through the use of speci...
Patent number
7,955,752
Issue date
Jun 7, 2011
GM Global Technology Operations LLC
Bernd Krause
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Untreated diffusion media with mesoporous layer and devices incorpo...
Patent number
7,670,704
Issue date
Mar 2, 2010
GM Global Technology Operations, Inc.
Jeanette E. O'Hara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Gas diffusion electrode and method of making the same
Patent number
7,629,071
Issue date
Dec 8, 2009
Giner Electrochemical Systems, LLC
Han Liu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Spatially varying diffusion media and devices incorporating the same
Patent number
7,332,240
Issue date
Feb 19, 2008
General Motors Corporation
Jeanette E. O'Hara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Diffusion media, fuel cells, and fuel cell powered systems
Patent number
7,303,835
Issue date
Dec 4, 2007
General Motors Corporation
Mark F. Mathias
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method of making a gas diffusion media and quality controls for same
Patent number
7,284,411
Issue date
Oct 23, 2007
General Motors Corporation
Joerg Roth
G01 - MEASURING TESTING
Information
Patent Grant
Preparation of patterned diffusion media
Patent number
7,241,474
Issue date
Jul 10, 2007
General Motors Corporation
Chunxin Ji
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Quality control methods for gas diffusion media
Patent number
7,181,986
Issue date
Feb 27, 2007
General Motors Corporation
Joerg Roth
G01 - MEASURING TESTING
Information
Patent Grant
Quality control methods for gas diffusion media
Patent number
7,107,864
Issue date
Sep 19, 2006
General Motors Corporation
Joerg Roth
G01 - MEASURING TESTING
Information
Patent Grant
Untreated diffusion media with mesoporous layer and devices incorpo...
Patent number
6,967,039
Issue date
Nov 22, 2005
General Motors Corporation
Jeanette E. O'Hara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method of making a gas diffusion media and quality controls for same
Patent number
6,928,893
Issue date
Aug 16, 2005
General Motors Corporation
Joerg Roth
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Water transport features for diffusion media
Publication number
20070077484
Publication date
Apr 5, 2007
Joerg Roth
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Reduction of voltage loss by voltage cycle through the use of speci...
Publication number
20060275644
Publication date
Dec 7, 2006
Bernd Krause
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Gas diffusion electrode and method of making the same
Publication number
20060078784
Publication date
Apr 13, 2006
Han Liu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Quality control methods for gas diffusion media
Publication number
20060037416
Publication date
Feb 23, 2006
Joerg Roth
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Untreated deffusion media with mesoporous layer and devices incorpo...
Publication number
20060035017
Publication date
Feb 16, 2006
GENERAL MOTORS CORPORATION
Jeanette E. O'Hara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Preparation of patterned diffusion media
Publication number
20050233080
Publication date
Oct 20, 2005
Chunxin Ji
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method of making a gas diffusion media and quality controls for same
Publication number
20050199079
Publication date
Sep 15, 2005
GENERAL MOTORS CORPORATION
Joerg Roth
G01 - MEASURING TESTING
Information
Patent Application
Low cost gas diffusion media for use in PEM fuel cells
Publication number
20050058869
Publication date
Mar 17, 2005
Mark F. Mathias
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Untreated diffusion media with mesoporous layer and devices incorpo...
Publication number
20050026523
Publication date
Feb 3, 2005
Jeanette E. O'Hara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Spatially varying diffusion media and devices incorporating the same
Publication number
20050026018
Publication date
Feb 3, 2005
Jeanette E. O'Hara
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Diffusion media, fuel cells, and fuel cell powered systems
Publication number
20040137311
Publication date
Jul 15, 2004
Mark F. Mathias
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Quality control methods for gas diffusion media
Publication number
20040134291
Publication date
Jul 15, 2004
Joerg Roth
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method of making a gas diffusion media and quality controls for same
Publication number
20040134292
Publication date
Jul 15, 2004
Joerg Roth
G01 - MEASURING TESTING