Patents by Inventor Fritz Hacker

Fritz Hacker 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).

  • Patent number: 4284291
    Abstract: A vehicle of the type having a motor driven vehicle unit and a wheeled auxiliary hook-up unit coupled thereto. A towing coupling is provided for enabling the auxiliary unit to be coupled to the vehicle unit in an articulated manner. A centering device is provided for centering the vehicle unit relative to the auxiliary hookup unit and a tightening fixture is provided to act on the towing coupling so as to displace the auxiliary towing unit relative to the vehicle unit so that it can be fixedly secured by a locking device.
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: August 18, 1981
    Assignee: Dr. Ing. h.c.F. Porsche Aktiengesellschaft
    Inventors: Albrecht Morlok, Fritz Hacker, Peter Kolling