The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 2006
Filed:
May. 06, 2003
Applicants:
Lijun Bai, Spokane, WA (US);
David R. Lott, Spokane, WA (US);
Vanell L. Martin, Spokane, WA (US);
Inventors:
Assignee:
Relion, Inc., Spokane, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); H01M 8/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel cell power system comprising a fuel cell having a cathode and an anode adapted to be coupled to a fuel supply, and which is configured to produce electrical power having a current and voltage output; a controller electrically coupled with the fuel cell, and configured to selectively short the anode to the cathode of the fuel cell; and circuitry configured to measure resistance of the fuel cell in timed relation to the shorting.