Patents by Inventor Frank Siepermann

Frank Siepermann 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).

  • Publication number: 20220163069
    Abstract: Multi-disc clutches are known which usually have a first clutch pack consisting of steel discs and a second clutch pack consisting of friction discs. A disc for a multi-disc clutch is proposed, which has a disc body. The disc body is in a form of an annular disc, and has a driver contour on its inner circumference and/or outer circumference for mounting the disc in a rotationally fixed manner. The disc body is formed by edgewise rolling on the inner circumference thereof.
    Type: Application
    Filed: April 1, 2020
    Publication date: May 26, 2022
    Inventors: Martin Kaufmann, Frank Siepermann, Thomas Schupp