Patents by Inventor Clarence R. Shepherd

Clarence R. Shepherd 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).

  • Diesel engine fuel preheating system
    Patent number: 4343283
    Abstract: A fuel injection diesel engine is equipped with auxiliary apparatus which utilizes the engine coolant and the coolant temperature control as well as an auxiliary temperature control for preheating the diesel fuel prior to injection to increase fuel efficiency.
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: August 10, 1982
    Inventor: Clarence R. Shepherd