Patents by Inventor Siegfried Zepnik

Siegfried Zepnik 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).

  • Convertible passenger car
    Patent number: 5641193
    Abstract: A passenger, particularly a convertible, has a top and a rollover protection arrangement. In order to simplify the mounting of the top and the rollover protection device on the vehicle, while the fastening is appropriate with respect to its function, and in order to reduce the assembling time on the assembly line, the rollover protection device and the top are combined to form a pre-assembled constructional unit produced outside the vehicle.
    Type: Grant
    Filed: April 10, 1995
    Date of Patent: June 24, 1997
    Assignee: Dr. Ing. h.c.F. Porsche AG
    Inventors: Siegfried Zepnik, Matthias Aydt, Kurt Pfertner, Uwe Henn
  • Rollover bar for a motor vehicle
    Patent number: 5622382
    Abstract: A rollover bar for a motor vehicle, particularly for a convertible, is disclosed which is made up at several mutually connected frame parts and is fastened on its exterior lower ends on the stationary vehicle body. For creating a rollover bar which, while its function is good, can be manufactured in a simple and low-cost manner, requires minimal mounting space and has a low weight, it is provided that the rollover bar comprises internal-high-pressure-formed frame parts.
    Type: Grant
    Filed: August 1, 1996
    Date of Patent: April 22, 1997
    Assignee: Dr. Ing. h.c.F. Porsche AG
    Inventors: Siegfried Zepnik, Bodo Homann, Uwe Henn