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:
Jun. 25, 2013
Filed:
Nov. 08, 2006
Applicants:
Ronald L. James, North Chili, NY (US);
Seth D. Valentine, Edmond, OK (US);
James Liestra, Penfield, NY (US);
Inventors:
Ronald L. James, North Chili, NY (US);
Seth D. Valentine, Edmond, OK (US);
James Liestra, Penfield, NY (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods for attaching a subgasket to an ionomer membrane, wherein the methods provide for the precise location of the subgasket relative to the other component edges of the fuel cell, such as the catalyst layers, so as provide the functionality required to extend the ionomer membrane life and prevent damage to the ionomer membrane during the assembly process.