Patents by Inventor David G. Clash

David G. Clash 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).

  • Zinc shapes for anodes of electrochemical cells
    Patent number: 7045253
    Abstract: An electrochemical cell 30 which contains both a cathode 32 and an anode 34. The anode contains a mixture of uniformly shaped particles 10 and electrolyte. The anode can also contain a zinc powder comprising non-uniform shaped, which can be mixed with the uniformly shaped particles of the present invention.
    Type: Grant
    Filed: February 23, 2004
    Date of Patent: May 16, 2006
    Assignee: Eveready Battery Company, Inc.
    Inventors: David G. Clash, Robert N. Mansfield, Jr., Christopher F. Randell, Nghia Cong Tang, Lewis F. Urry
  • Zinc shapes for anodes of electrochemical cells
    Publication number: 20040166413
    Abstract: An electrochemical cell 30 which contains both a cathode 32 and an anode 34. The anode contains a mixture of uniformly shaped particles 10 and electrolyte. The anode can also contain a zinc powder comprising non-uniform shaped, which can be mixed with the uniformly shaped particles of the present invention.
    Type: Application
    Filed: February 23, 2004
    Publication date: August 26, 2004
    Inventors: David G. Clash, Robert N. Mansfield, Christopher F. Randell, Nghia Cong Tang, Lewis F. Urry
  • Alkaline-MnO.sub.2 cell having a zinc powder-gel anode containing methyl cellulose
    Patent number: 4209577
    Abstract: An alkaline-MnO.sub.2 cell employing a zinc powder-gel anode in which the gelling agent is methyl cellulose with or without carboxymethyl cellulose.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: June 24, 1980
    Assignee: Union Carbide Corporation
    Inventor: David G. Clash
  • Primary dry cell with gas-venting passageway through the cathode mix
    Patent number: 3932196
    Abstract: Primary dry cell comprising a metal anode cup having a cathode mix therein and having an open end which is gas-tightly sealed by a closure including a vent, wherein a gas-venting passageway extends through the cathode mix into communication with the void space defined between the cathode mix and seal closure.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: January 13, 1976
    Assignee: Union Carbide Corporation
    Inventors: Vicente S. Alberto, David G. Clash