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. 10, 2013
Filed:
Mar. 05, 2012
Mark W. Keyser, Bloomfield, NY (US);
Gerald W. Fly, Geneseo, NY (US);
Mark W. Keyser, Bloomfield, NY (US);
Gerald W. Fly, Geneseo, NY (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
An interlockable bead seal for a bipolar plate is provided. The interlockable bead seal includes a first elongate bead formed on a first plate and a second elongate bead formed on a second plate. The first elongate bead has a sealing surface and the second elongate bead has a trough. An interlockable bipolar plate having the interlockable bead seals, and a fuel cell stack formed from a plurality of the interlockable bipolar plates, are also provided. A lateral slippage between components of the fuel cell stack is militated against by the interlockable bipolar plates.