Patents by Inventor Ronald R. McGehee

Ronald R. McGehee 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: 4846967
    Abstract: Contaminated oil is reclaimed for uel use by pumping same through an oil filter into one side of a divided tank then through a heater to burn off water and antifreeze and then into the other side of the divided tank where the oil is blended with other clean oil, such as diesel fuel, which is then pumped through a water separator and another oil filter into a fuel supply tank from which it is pumped and used for blending. The divided tank is mounted on wheels and carries the various components such as pumps, heater, valves, piping, filter and so forth.
    Type: Grant
    Filed: March 14, 1988
    Date of Patent: July 11, 1989
    Assignee: Keller Machine Works
    Inventor: Ronald R. McGehee
  • Patent number: 4784751
    Abstract: Contaminated oil is reclaimed for fuel use by pumping same through an oil filter into one side of a divided tank then through a heater to burn off water and antifreeze and then into the other side of the divided tank where the oil is blended with other clean oil, such as diesel fuel, which is then pumped through a water separator and another oil filter into a fuel supply tank from which it is pumped and used for blending. The divided tank is mounted on wheels and carries the various components such as pumps, heater, valves, piping, filter and so forth.
    Type: Grant
    Filed: September 24, 1986
    Date of Patent: November 15, 1988
    Assignee: Keller Machine Works
    Inventor: Ronald R. McGehee