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:
Dec. 14, 2021
Filed:
Mar. 09, 2020
Applicants:
Daimler Ag, Stuttgart, DE;
Ford Motor Company, Dearborn, MI (US);
Inventors:
Sebastian Prass, Freital, DE;
Manpal Ghuman, Surrey, CA;
Andrew Leow, Delta, CA;
Jennie Eastcott, Oakville, CA;
Owen Thomas, Vancouver, CA;
Assignees:
Daimler AG, Stuttgart, DE;
Ford Motor Company, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/00 (2016.01); H01M 8/1004 (2016.01); H01M 4/88 (2006.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); H01M 4/881 (2013.01); H01M 4/8814 (2013.01); H01M 4/8896 (2013.01);
Abstract
A method for manufacturing a membrane assembly for a fuel cell. To overcome a problem of chemical degradation at an edge of the membrane, the method comprises the following steps: