Patents by Inventor David H. Marvin

David H. Marvin 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).

  • Fuel control system for dual fuel engines
    Patent number: 4708094
    Abstract: Disclosed herein is an apparatus which is adapted for controlling fuel flows for dual fuel compression ignition engines. The disclosed system includes a lag fuel governing system in conjunction with a lead fuel governing system which includes spontaneous motion metering means.
    Type: Grant
    Filed: December 15, 1986
    Date of Patent: November 24, 1987
    Assignee: Cooper Industries
    Inventors: Melvin J. Helmich, William P. Ryan, David H. Marvin