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. 08, 2014
Filed:
Jul. 22, 2010
Applicant:
Richard H. Blunk, Macomb Township, MI (US);
Inventor:
Richard H. Blunk, Macomb Township, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/64 (2006.01); H01M 4/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydrophobic composite bipolar plate for a fuel cell including a substrate having a composite material including carbon and a surface layer on the substrate. The surface layer includes silicon and oxygen, and a hydrocarbon moiety attached to at least one of the silicon or oxygen.