Patents by Inventor Cecil T. Hicks

Cecil T. Hicks 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).

  • Diaphragm pump
    Patent number: 4778356
    Abstract: A double action diaphragm type pump wherein oppositely positioned diaphragm pumping units are reciprocally operated by a hydraulic cylinder assembly positioned between the pumping units. Separate piston rods extend oppositely from a piston in a hydraulic cylinder, each rod operating a diaphragm in one of the pumping units.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: October 18, 1988
    Inventor: Cecil T. Hicks
  • Diaphragm pump
    Patent number: D291319
    Type: Grant
    Filed: August 10, 1984
    Date of Patent: August 11, 1987
    Inventor: Cecil T. Hicks