Patents by Inventor Craig R. Davidson

Craig R. Davidson 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).

  • Plating permeable cores
    Patent number: 6165340
    Abstract: A shield is applied to a permeable core in a predetermined pattern, where the predetermined pattern covers less than the entire surface area of the permeable core.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: December 26, 2000
    Assignee: VLT Corporation
    Inventors: Lance L. Andrus, Cruz R. Calderon, Craig R. Davidson, Patrizio Vinciarelli
  • Plating permeable cores
    Patent number: 6143157
    Abstract: A shield is applied to a permeable core in a predetermined pattern, where the predetermined pattern covers less than the entire surface area of the permeable core.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: November 7, 2000
    Assignee: VLT Corporation
    Inventors: Lance L. Andrus, Cruz R. Calderon, Craig R. Davidson, Patrizio Vinciarelli
  • Anode catalysts for electrolysis of brine
    Patent number: 4360416
    Abstract: A gas generating apparatus and method is described which utilizes a novel catalytic halogen evolving electrode for electrochemical systems, such as an electrolysis cell for the generation of chlorine. The electrochemical cells include a catalytic cathode and an improved catalytic anode positioned on opposite sides of, and bonded to, a solid polymer electrolyte membrane. A source of direct current potential between the cathode and the anode and means for removing gas from at least one of the electrodes are provided. The improved catalytic anode is an alloy of ruthenium oxide and manganese oxide.
    Type: Grant
    Filed: April 27, 1981
    Date of Patent: November 23, 1982
    Assignee: General Electric Company
    Inventors: Craig R. Davidson, John M. Sedlak
  • Halogen evolution with improved anode catalyst
    Patent number: 4333805
    Abstract: A gas generating apparatus and method is described which utilizes a novel catalytic halogen evolving electrode for electrochemical systems, such as an electrolysis cell for the generation of chlorine. The electrochemical cells include a catalytic cathode and an improved catalytic anode positioned on opposite sides of, and bonded to, a solid polymer electrolyte membrane. A source of direct current potential between the cathode and the anode and means for removing gas from at least one of the electrodes are provided. The improved catalytic anode is an alloy of ruthenium oxide and manganese oxide.
    Type: Grant
    Filed: April 27, 1981
    Date of Patent: June 8, 1982
    Assignee: General Electric Company
    Inventors: Craig R. Davidson, John M. Sedlak
  • Oxygen evolution with improved Mn stabilized catalyst
    Patent number: 4289591
    Abstract: A gas generating apparatus and method is described which utilizes a novel catalytic oxygen evolving electrode for electrochemical systems, such as an electrolysis cell for the generation of oxygen. The electrochemical cells include a catalytic cathode and an improved catalytic anode positioned on opposite sides of, and bonded to, a solid polymer electrolyte membrane. A source of direct current potential between the cathode and the anode and means for removing gas from at least one of the electrodes are provided. The improved catalytic anode is an alloy of ruthenium oxide and manganese oxide.
    Type: Grant
    Filed: May 2, 1980
    Date of Patent: September 15, 1981
    Assignee: General Electric Company
    Inventors: Craig R. Davidson, John M. Sedlak