Patents by Inventor Randall D. Parker

Randall D. Parker 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).

  • Engine pre-heater system
    Patent number: 7059537
    Abstract: A system for pre-heating an internal combustion engine includes a heated gas generator unit that is connected to water flowing through the engine in a manner to transfer heat from the heated gases to the water. Once the engine is pre-heated, the system embodying the present invention is disconnected from the internal combustion engine.
    Type: Grant
    Filed: June 21, 2004
    Date of Patent: June 13, 2006
    Inventors: Randall D. Parker, Vincent D. Parker