Patents by Inventor David Courcy

David Courcy 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).

  • Bar engine brake
    Patent number: 6085721
    Abstract: The present invention is directed to a control system for controlling operation of an engine compression release brake for an engine. The control system includes a valve actuation assembly for actuating at least one valve during a predetermined engine operating condition. The control system also includes an energy supply assembly for supplying energy to operate the valve actuation assembly. The control system includes a control assembly for controlling the operation of valve actuation assembly.
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: July 11, 2000
    Assignee: Diesel Engine Retarders, Inc.
    Inventors: Sotir Dodi, Ronald B. Wahl, David Courcy, Sanjay Patel