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:
Jul. 24, 2012
Filed:
Oct. 30, 2008
Applicants:
Scott L. Peters, Rochester, NY (US);
Craig S. Gittleman, Rochester, NY (US);
Inventors:
Scott L. Peters, Rochester, NY (US);
Craig S. Gittleman, Rochester, NY (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01); H01M 2/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A unitized electrode assembly for a fuel cell comprising an electrolyte membrane, a subgasket, and a sealing bead disposed therebetween is disclosed. The sealing bead adapted to fill a tenting region formed between the membrane and the subgasket to maximize an operating life of the electrolyte membrane by militating against wear of membrane expansion during use of the fuel cell.