Patents by Inventor Steffen Freudenberg

Steffen Freudenberg 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).

  • Vehicle window installation
    Patent number: 4688847
    Abstract: A frame (9) guiding the rear marginal portion of a first window pane (13) received in a door (7) is widened to overlap the exterior of a second pane (17) which abuts the first pane (13) guided in the frame (9). The second pane may comprise a pane (17) received in a second door (15), or it may comprise a fixedly mounted pane.
    Type: Grant
    Filed: July 2, 1986
    Date of Patent: August 25, 1987
    Assignee: Audi AG.
    Inventor: Steffen Freudenberg
  • Window assembly for vehicles
    Patent number: 4240227
    Abstract: A window assembly, especially for the side door or doors of an automotive vehicle, comprises a window frame having a pair of generally parallel rails formed as channels opening toward a window pane which can be raised and lowered on the vehicle. The window pane is provided with guide shoes or like members received in and guided on the respective channels and affixed to the pane inwardly of respective edges thereof so that these edges can be engaged, even along the face of the pane provided with the shoes or guide members, by seals on the frame or vehicle body.
    Type: Grant
    Filed: March 6, 1979
    Date of Patent: December 23, 1980
    Assignee: Audi NSU Auto Union AG
    Inventors: Franz Hasler, Peter Watzold, Steffen Freudenberg