Patents by Inventor Carl L. Wykoff

Carl L. Wykoff 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).

  • Brake and transmission control
    Patent number: 4355698
    Abstract: A brake and transmission control system for a vehicle having a hydraulically controlled power shift transmission and a spring applied hydraulically released parking brake. Both the transmission control and the brake are interconnected hydraulically with the operator's seat whereby when the operator leaves the seat the transmission is automatically shifted to neutral and the parking brake is automatically applied.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: October 26, 1982
    Assignee: Clark Equipment Company
    Inventors: Charles A. Barnes, Dean E. Davis, Carl L. Wykoff