Patents by Inventor Ralf Marquardt

Ralf Marquardt 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).

  • Subframe for a motor vehicle
    Patent number: 5918893
    Abstract: A subframe for a motor vehicle, having a central part extending in the transverse direction of the vehicle and side parts with components for fixing the subframe to a vehicle body and holding arms for holding wheel control links.The central part and the side parts are designed as separate components which are connected to one another.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: July 6, 1999
    Assignee: Volkswagen AG
    Inventors: Ralf Marquardt, Wolfgang Teuber