Patents by Inventor Robert W. Fenn, III

Robert W. Fenn, III 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: 4701250
    Abstract: A dimensionally stable asbestos diaphragm is formed by direct coating on the foraminous cathode of an electrolytic cell from an asbestos fiber-particulate polymer slurry, followed by fusion of the thermoplastic polymer.
    Type: Grant
    Filed: December 17, 1984
    Date of Patent: October 20, 1987
    Assignee: ELTECH Systems Corporation
    Inventors: Robert W. Fenn, III, Emory J. Pless, Richard L. Harris, Kevin O'Leary
  • Patent number: 4489025
    Abstract: A dimensionally stable asbestos diaphragm is formed by direct coating on the foraminous cathode of an electrolytic cell from an asbestos fiber-particulate polymer slurry, followed by fusion of the thermoplastic polymer.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: December 18, 1984
    Assignee: Diamond Shamrock Chemicals Company
    Inventors: Robert W. Fenn, III, Emory J. Pless, Richard L. Harris, Kevin J. O'Leary
  • Patent number: 4410411
    Abstract: A dimensionally stable asbestos diaphragm is formed by direct coating on the foraminous cathode of an electrolytic cell from an asbestos fiber-particulate polymer slurry, followed by fusion of the thermoplastic polymer.
    Type: Grant
    Filed: January 17, 1973
    Date of Patent: October 18, 1983
    Assignee: Diamond Shamrock Corporation
    Inventors: Robert W. Fenn, III, Emory J. Pless, Richard L. Harris, Kevin J. O'Leary
  • Patent number: 3943044
    Abstract: A system and apparatus for disinfecting sewage water and removing suspended solids therefrom by in-situ treatment with chemical agents and gases, each produced electrolytically, comprising a treatment chamber, disinfecting and solids conveying means including at least one pair of electrodes disposed in the chamber, solids removal means associated with the chamber, a source of aqueous alkali metal halide solution and optionally an ultraviolet light ray source and solids collection means.
    Type: Grant
    Filed: November 30, 1973
    Date of Patent: March 9, 1976
    Assignee: Diamond Shamrock Corporation
    Inventors: Robert W. Fenn, III, Kevin J. O'Leary