John Ka Ki Chan

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Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for distributing water in an array of fuel cel...
- Patent number 6,753,106
- Issue date Jun 22, 2004
- Ballard Power Systems Inc.
- Clarence Y. F. Chow
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for distributing water in an array of fuel cel...
- Patent number 6,322,914
- Issue date Nov 27, 2001
- Ballard Power Systems Inc.
- Clarence Y. F. Chow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for operating an electrochemical fuel cell wit...
- Patent number 6,096,448
- Issue date Aug 1, 2000
- Ballard Power Systems Inc.
- David P. Wilkinson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for distributing water to an ion-exchange memb...
- Patent number 5,935,726
- Issue date Aug 10, 1999
- Ballard Power Systems Inc.
- Clarence Y. F. Chow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated reactant and coolant fluid flow field layer for an elect...
- Patent number 5,804,326
- Issue date Sep 8, 1998
- Ballard Power Systems Inc.
- Clarence Y. Chow
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for distributing water in an array of fuel cel...
- Publication number 20020041984
- Publication date Apr 11, 2002
- Clarence Y.F. Chow
- H01 - BASIC ELECTRIC ELEMENTS