Patents by Inventor Jeffrey T. Vondervellen

Jeffrey T. Vondervellen 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).

  • Rear pressure control and dynamic rear proportioning in a vehicle brake system
    Patent number: 7010411
    Abstract: An apparatus and method are provided for operating a pump-less rear wheel anti-lock brake system of a vehicle using speed sensors on at least one front and one rear wheel, to provide a true dynamic rear proportioning (DRP) function, and to significantly enhance braking performance in rear wheel anti-lock mode through better management of the volume of pressurized fluid supplied by the master cylinder using rear pressure control (RPC).
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: March 7, 2006
    Assignee: Delphi Technologies, Inc.
    Inventors: James R. Bond, Daniel N. Borgemenke, Matthew A. Cukovecki, David F. Reuter, William F. Borchers, Jeffrey T. Vondervellen, Jerry L. Newton, Michael J. Check, Joseph A. Elliott