Patents by Inventor Karl-Heinz Hennemann

Karl-Heinz Hennemann 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 insert, especially for a piston in the hydraulic braking system of a motor vehicle
    Patent number: 6786489
    Abstract: The present invention discloses a sealing insert, in particular for a piston in a hydraulic brake system, comprising a central valve arranged in a cavity, a supporting body and a rubber-elastic sealing body that is adhesively connected to said supporting body. The supporting body exhibits through holes which are penetrated by the sealing body for fixing purposes.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: September 7, 2004
    Assignee: Continental Teves AG & Co. oHG
    Inventors: Karl-Heinz Hennemann, Harald König