Patents by Inventor Armin Heid

Armin Heid 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).

  • Friction clutch for a transmission of a motor vehicle and a friction lining for a friction clutch
    Patent number: 5553695
    Abstract: A friction clutch for a transmission of a motor vehicle generally will have a clutch disc, and the clutch disc will be provided with friction linings for engaging the friction clutch with a rotating engine flywheel. The friction rings can be provided, on both surfaces thereof with trough-shaped depressions, to reduce the weight of the clutch disc. The trough-shaped depressions can essentially be rectangular or square, with rounded corners and with connecting surfaces which are steeply diagonal, or curved with a large radius of curvature.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: September 10, 1996
    Assignee: Fichtel & Sachs AG
    Inventors: Dieter Lutz, Franz-Josef Horth, Hartmut Heide, Hilmar Gobel, Alan E. L. Littell, Josef Vonderau, Armin Heid, Erich Scheer