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:
Mar. 30, 2010
Filed:
Oct. 22, 2004
Paul Osenar, Westford, MA (US);
Paul Sabin, Needham, MA (US);
Mohammad Enayetullah, Sharon, MA (US);
Richard M. Formato, Grafton, MA (US);
Paul Osenar, Westford, MA (US);
Paul Sabin, Needham, MA (US);
Mohammad Enayetullah, Sharon, MA (US);
Richard M. Formato, Grafton, MA (US);
Protonex Technology Corporation, Southborough, MA (US);
Abstract
The present invention provides membrane cassettes and stacks thereof which are suitable for a use in a variety of electrochemical applications. The invention further provides membrane cassettes which comprise one or more bipolar plates which have one or two reactant or coolant flow fields consisting of at least one groove in opposing surfaces of the bipolar plate. In certain preferred embodiments, the invention provides cassettes and stacks which are suitable for use in fuel cell applications. Particularly preferred embodiments of the invention include design improvements which enhance the performance and reliability of certain components of the fuel cell stack.