Patents by Inventor John D. Usborne

John D. Usborne 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).

  • Anode humidification
    Patent number: 7479335
    Abstract: A technique includes providing fuel and oxidant flows to a fuel cell. The technique includes humidifying the anode of the fuel cell, including saturating the oxidant flow and maintaining a temperature of the oxidant flow above a temperature of the fuel cell such that excess water propagates from a cathode of the fuel cell to the anode.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: January 20, 2009
    Assignee: Plug Power Inc.
    Inventors: David A. Leboe, Kenneth M. Flaherty, Adrian J. Corless, Kenneth W. Kratschmar, John D. Usborne