Patents by Inventor Keith Bethune

Keith Bethune has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hydrogen fuel cell power source with metal bipolar plates
    Patent number: 12658462
    Abstract: Disclosed herein is an apparatus having: a polymer electrolyte membrane fuel cell stack capable of generating 1-6 kw and a compressor capable of delivering at least 10 g/s of air at 1 2 bar. The compressor is coupled to an air inlet of the fuel cell stack.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: June 16, 2026
    Assignee: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventors: Benjamin D. Gould, Michael Schuette, Joseph Rodgers, Ravi Ramamurti, Karen Swider-Lyons, Keith Bethune