Patents by Inventor Stefan LÄNGLE

Stefan LÄNGLE 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).

  • Determination of the insulation resistance of a fuel-cell system
    Patent number: 11092653
    Abstract: The present disclosure relates to a method and a device for determining the insulation resistance of a fuel-cell system.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: August 17, 2021
    Assignee: AUDI AG
    Inventors: Kai Müller, Friedrich Wilhelm, Stefan Längle
  • DETERMINATION OF THE INSULATION RESISTANCE OF A FUEL-CELL SYSTEM
    Publication number: 20190293724
    Abstract: The present disclosure relates to a method and a device for determining the insulation resistance of a fuel-cell system.
    Type: Application
    Filed: March 14, 2019
    Publication date: September 26, 2019
    Inventors: Kai MÜLLER, Friedrich WILHELM, Stefan LÄNGLE