Patents by Inventor Ludwig HÖGG

Ludwig HÖGG 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).

  • Patent number: 11990649
    Abstract: A fuel cell device is provided comprising a fuel cell stack, which is formed from a plurality of unit cells which are stacked one above the other in a stacking direction and which each have one or more media channels and a membrane electrode assembly, which comprises a cathode, an anode and a membrane arranged between the cathode and the anode, as well as comprising a media guide extending essentially in parallel to the stacking direction. The media guide can be or is connected to the fuel cell stack in such a way as to guide a medium essentially laterally to the stacking direction into or out of the media channels of the unit cells of the fuel cell stack.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: May 21, 2024
    Assignee: AUDI AG
    Inventors: Peter Dollinger, Markus Gretzer, Hans Reiss, Ludwig Högg, Norbert Kluy
  • Publication number: 20200280076
    Abstract: A fuel cell device is provided comprising a fuel cell stack, which is formed from a plurality of unit cells which are stacked one above the other in a stacking direction and which each have one or more media channels and a membrane electrode assembly, which comprises a cathode, an anode and a membrane arranged between the cathode and the anode, as well as comprising a media guide extending essentially in parallel to the stacking direction. The media guide can be or is connected to the fuel cell stack in such a way as to guide a medium essentially laterally to the stacking direction into or out of the media channels of the unit cells of the fuel cell stack.
    Type: Application
    Filed: October 1, 2018
    Publication date: September 3, 2020
    Inventors: Peter DOLLINGER, Markus GRETZER, Hans REISS, Ludwig HÖGG, Norbert KLUY