Patents by Inventor Charlie F. Hunter

Charlie F. Hunter 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: 5205250
    Abstract: An apparatus is provided for preheating fuel from a vehicle fuel tank prior to feeding the fuel to a vehicle engine. The apparatus comprises first and second heat exchangers. The first heat exchanger uses fuel from the fuel tank to heat engine coolant received from the vehicle engine. The second heat exchanger uses engine coolant to discharge from the first heat exchanger to heat the fuel received from the fuel tank.
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: April 27, 1993
    Assignee: Herbert Easterly
    Inventors: Herbert Easterly, Charlie F. Hunter
  • Patent number: 4470729
    Abstract: A suction pipe adjacent to a cotton gin is power moved along a straight beam when a swing pipe leg is moved at an angle from vertical by an operator. Two rollers are driven by a motor. The motor is controlled by an angle activated switch and two limit switches on the ends of the beam.
    Type: Grant
    Filed: May 30, 1980
    Date of Patent: September 11, 1984
    Assignee: Anderson & Bigham Sheet Metal Works, Inc.
    Inventors: John C. Fredenburg, Charlie F. Hunter