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:
Sep. 29, 2008
Applicants:
Niels Erikstrup, Frederiksberg, DK;
Niels Christiansen, Gentofte, DK;
Haldor F. A. Topsøe, Vedbæk, DK;
Inventors:
Niels Erikstrup, Frederiksberg, DK;
Niels Christiansen, Gentofte, DK;
Haldor F. A. Topsøe, Vedbæk, DK;
Assignee:
Topsoe Fuel Cell A/S, Lyngby, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A unit for use in a fuel cell stack, the unit comprising a porous metal support with a seal made by local fusion and-having a seal depth that extends from the upper surface of the porous metal support to at least the bottom surface of the porous metal support, and wherein the seal is positioned along the periphery of the porous metal support, the seal being impermeable to gas transported in the plane of the porous metal support.