Patents by Inventor Bernhard Hammer

Bernhard Hammer 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).

  • Ball joint
    Patent number: 7654766
    Abstract: A ball joint, in particular for the wheel suspension systems of motor vehicles, an external, essentially cylindrical housing, an internal joint piece with a pin supporting a ball section and a bearing race surrounding the ball section, is retained in the cylindrical housing and has annular seals on both sides of the pin ends. In order to achieve a hydraulic damping function, annular gaps are provided about the pin adjacent to the ball section, filled directly or indirectly with a damping fluid.
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: February 2, 2010
    Assignee: Audi
    Inventors: Frank Zuge, Matthias Fuchs, Wilfried Leitner, Bernhard Hammer