Patents by Inventor John Usborne

John 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 purge gas dilution
    Publication number: 20080081228
    Abstract: A system includes a fuel cell that has an anode chamber that is in a deadheaded configuration. A controller of the system controls a valve that is connected to the anode chamber pursuant to a modulation scheme to purge the anode chamber.
    Type: Application
    Filed: June 20, 2007
    Publication date: April 3, 2008
    Inventors: Neil Fagan, John Usborne, David Leboe, Jeremy Lindstrom, Kenneth Kratschmar
  • Preventing corrosion during start up and shut down of a fuel cell
    Publication number: 20080032163
    Abstract: A technique includes preventing corrosion during one of start up and shut down of a fuel cell. The corrosion prevention includes controlling a load on the fuel cell during the start up/shut down to regulate a voltage of the fuel cell.
    Type: Application
    Filed: June 25, 2007
    Publication date: February 7, 2008
    Inventors: John Usborne, Kenneth Kratschmar, David Leboe, Neil Fagan
  • Anode humidification
    Publication number: 20080014475
    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: Application
    Filed: June 28, 2007
    Publication date: January 17, 2008
    Inventors: David Leboe, Kenneth Flaherty, Adrian Corless, Kenneth Kratschmar, John Usborne