Patents by Inventor David C. Gagnon

David C. Gagnon 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).

  • Patent number: 4608824
    Abstract: This disclosure involves the conversion of a four cycle internal combustion engine to that of an hydraulic or fluid motor, wherein engine heads, camshafts and valves are changed, and the invention can be used to power automobiles, power plants, conveyors, earthmovers, etc.
    Type: Grant
    Filed: July 9, 1984
    Date of Patent: September 2, 1986
    Inventor: David C. Gagnon
  • Patent number: 4399794
    Abstract: This carburetion system for automobiles serves to increase gasoline mileage greatly, and it consists primarily of a regulator for metering drops of fuel onto a motor-driven fan in a fuel and air mixing chamber. It further includes a heat expansion cylinder connected to the mixing chamber, so as to vaporize the mixture fully and completely by exhaust gases of the engine, prior to the fuel and air gas entering the cylinders of the automobile engine.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: August 23, 1983
    Inventor: David C. Gagnon