Patents by Inventor Raymond L. Quinn

Raymond L. Quinn 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).

  • Internal combustion engine fuel system
    Patent number: 4146002
    Abstract: Fuel in the fuel line of an internal combustion engine is preheated before admixture with air to increase combustion efficiency, as indicated for instance by improved mileage of an automobile driven by an internal combustion engine, and to reduce noxious content of the combustion engine exhaust.
    Type: Grant
    Filed: July 7, 1977
    Date of Patent: March 27, 1979
    Inventor: Raymond L. Quinn