Patents by Inventor John Kaas

John Kaas 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).

  • Integrated Humidified Fuel Cell Assembly
    Publication number: 20080187808
    Abstract: A fuel cell stack (2) constructed and assembled so that a membrane-type humidifying exchanger (1) enables diffusional contact of a re-circulating aqueous liquid fuel supply and the oxidant air stream supplied to the fuel cell stack (2) is provided. The assembly is configured so that the fuel cell stack (2) is mounted together with other ancillaries on a base provided by the membrane-type humidifying exchanger (1).
    Type: Application
    Filed: March 14, 2006
    Publication date: August 7, 2008
    Inventors: Jorgen Schjerning Lundsgaard, Henning Frederiksen, Madeleine Odgaard, John Kaas
  • Fuel-cell reactant delivery and circulation device
    Patent number: 7255948
    Abstract: Fuel cells equipped with a self-contained gas- or air-lift which circulates fuel through the channels of the separator plate of the fuel cell via gaseous carbon dioxide produced by the reaction of the membrane electrode assembly and the fuel are provided. Also provided are exemplary self-contained gas-or air-lifts useful for production of these fuel cells.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: August 14, 2007
    Assignee: IRD Fuel Cells A/S
    Inventors: Jorgen Schjerning Lundsgaard, John Kaas, Madeleine Odgaard, David M. Thomas
  • Fuel-cell reactant delivery and circulation device
    Publication number: 20050118492
    Abstract: Fuel cells equipped with a self-contained gas- or air-lift which circulates fuel through the channels of the separator plate of the fuel cell via gaseous carbon dioxide produced by the reaction of the membrane electrode assembly and the fuel are provided. Also provided are exemplary self-contained gas- or air-lifts useful for production of these fuel cells.
    Type: Application
    Filed: November 24, 2004
    Publication date: June 2, 2005
    Inventors: Jorgen Lundsgaard, John Kaas, Madeleine Odgaard, David Thomas