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Kelvin K. Fong
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Bumaby, CA
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Patents Grants
last 30 patents
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Patent Grant
Shutdown methods and designs for fuel cell stacks
Patent number
7,964,315
Issue date
Jun 21, 2011
BDF IP Holdings Ltd.
Herwig R Haas
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method of making fluid diffusion layers and electrodes having reduc...
Patent number
6,713,424
Issue date
Mar 30, 2004
Ballard Power Systems Inc.
Jürgen Stumper
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fluid diffusion layers for fuel cells
Patent number
6,667,127
Issue date
Dec 23, 2003
Ballard Power Systems Inc.
Paul D. Beattie
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
Shutdown Methods and Designs for Fuel Cell Stacks
Publication number
20070248847
Publication date
Oct 25, 2007
Ballard Power Systems Inc.
Herwig R. Haas
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fluid diffusion layers for fuel cells
Publication number
20040058229
Publication date
Mar 25, 2004
Paul D. Beattie
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fluid diffusion layers for fuel cells
Publication number
20030008195
Publication date
Jan 9, 2003
Bien Hung Chiem
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of making fluid diffusion layers and electrodes having reduc...
Publication number
20020187388
Publication date
Dec 12, 2002
Jurgen Stumper
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Fluid diffusion layers for fuel cells
Publication number
20020058180
Publication date
May 16, 2002
Paul D. Beattie
H01 - BASIC ELECTRIC ELEMENTS