Patents by Inventor Stefan Scheffler

Stefan Scheffler 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).

  • Sealing ring and use thereof
    Patent number: 11629784
    Abstract: A sealing ring includes: a first axial leg; and a sealing leg with a sealing lip. When viewed in cross section, the sealing ring is in a shape of a seven. The sealing leg is connected to a first end face of the first axial leg by a first joint. The sealing leg has, on a side facing axially toward the first end face, a dirt lip with at least one sealing edge and a radially internal first boundary surface and a radially external second boundary surface.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: April 18, 2023
    Assignee: CARL FREUDENBERG KG
    Inventors: Andreas Koch, Thomas Segbers, Jan Fritz, Mirko Minners, Stefan Scheffler, Akio Shimizu
  • SEALING RING AND USE THEREOF
    Publication number: 20210270372
    Abstract: A sealing ring includes: a first axial leg; and a sealing leg with a sealing lip. When viewed in cross section, the sealing ring is in a shape of a seven. The sealing leg is connected to a first end face of the first axial leg by a first joint. The sealing leg has, on a side facing axially toward the first end face, a dirt lip with at least one sealing edge and a radially internal first boundary surface and a radially external second boundary surface.
    Type: Application
    Filed: February 26, 2021
    Publication date: September 2, 2021
    Inventors: Andreas Koch, Thomas Segbers, Jan Fritz, Mirko Minners, Stefan Scheffler, Akio Shimizu