Patents by Inventor Peter W. Hofmann

Peter W. Hofmann 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).

  • Anti-skid device for motor vehicles
    Patent number: 5386888
    Abstract: An anti-skid device for motor vehicles has chain lines (15) which are propelled into the region of the ground contact surface of a vehicle tire by centrifugal forces resulting from rotation of a holder (14) carrying the chain lines when the holder engages the flank of a vehicle tire by a pivoting unit (11). The pivoting unit is actuated by first and second pull lines (9, 17), the first pull line being fastened to a driving aggregate (5) and the second pull line being fastened to a return spring (18) which is arranged in a cavity (20) of a carrying part (21) for the pivoting unit.
    Type: Grant
    Filed: May 6, 1993
    Date of Patent: February 7, 1995
    Assignee: Rud-Kettenfabrik Rieger & Dietz GmbH.u.Co.
    Inventor: Peter W. Hofmann