Patents by Inventor Steffen Gerteiser

Steffen Gerteiser 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: 20180328415
    Abstract: A disk (1) for a friction-locking shift element includes an annular frictional surface with a circumferential first groove (31), a plurality of second grooves (32), and a plurality of third grooves (33). At least a section of each of the second grooves (32) at a respective radially internal deflection point (41) is oriented to form an angle (46a) with a line (45) between a center of rotation (44) of the disk (1) and the respective radially internal deflection point (41). The angle (46a) is no less than thirty-five degrees and no greater than seventy-five degrees.
    Type: Application
    Filed: July 22, 2016
    Publication date: November 15, 2018
    Inventors: Derk Langenkaemper, Steffen Gerteiser, Stefan Schmidt