Patents by Inventor Gregor Holstermann

Gregor Holstermann 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).

  • Fuel cell stack, and method for the production of a fuel cell stack
    Patent number: 8691468
    Abstract: The invention relates to a fuel cell stack comprising a base plate supporting fuel cells and a cap of an electrically insulating material, particularly of ceramics, for electrically insulating the fuel cells stacked on top of each other partially enveloping the fuel cells stacked on top of each other. According to the invention it is contemplated that a metal cap provided for guiding cathode gas envelops the cap including the fuel cells together with the base plate and that the metal cap is attached to the base plate in a sealed manner. The invention further relates to a method for producing a fuel cell stack.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: April 8, 2014
    Assignees: Enerday GmbH, Webasto AG, Staxera GmbH
    Inventors: Stefan Käding, Jens Hafemeister, Uwe Bergmann, Gregor Holstermann
  • FUEL CELL STACK, AND METHOD FOR THE PRODUCTION OF A FUEL CELL STACK
    Publication number: 20110039180
    Abstract: The invention relates to a fuel cell stack comprising a base plate supporting fuel cells and a cap of an electrically insulating material, particularly of ceramics, for electrically insulating the fuel cells stacked on top of each other partially enveloping the fuel cells stacked on top of each other. According to the invention it is contemplated that a metal cap provided for guiding cathode gas envelops the cap including the fuel cells together with the base plate and that the metal cap is attached to the base plate in a sealed manner. The invention further relates to a method for producing a fuel cell stack.
    Type: Application
    Filed: March 30, 2009
    Publication date: February 17, 2011
    Applicant: Enerday GmbH
    Inventors: Stefan Käding, Jens Hafemeister, Uwe Bergmann, Gregor Holstermann