Patents by Inventor David A. Rutherford

David A. Rutherford 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: 4629366
    Abstract: A marine structure adapted to be at least partially submerged at an offshore body of water to drill wells into the ocean floor and to produce fluids therefrom. A corrosion deterrent system for protecting the submerged members of the structure comprises sacrificial anodes which are disposed about the structure's jacket.A drilling template carried on the jacket comprises means to a plurality of drilling conductors therein. At least one upright column incorporated into said drilling template is provided with discretely placed sacrificial anodes arranged to best protect the drill conductors.
    Type: Grant
    Filed: October 22, 1984
    Date of Patent: December 16, 1986
    Assignee: Texaco Inc.
    Inventors: David A. Rutherford, Brian D. Barr, Douglas W. Rommelmann
  • Patent number: 4527928
    Abstract: A protective sleeve for fitting about the periphery of the leg of an offshore structure. The sleeve comprises means for carrying and enclosing a plurality of conductors. It further includes one or more inner rings; an outer jacket is fixedly spaced from the rings to define longitudinal passages within which the respective conductors are fixedly positioned. The sleeve is capable of deflecting packed ice and floating objects which represent possible sources of damage to the structure or to conductors.
    Type: Grant
    Filed: July 15, 1983
    Date of Patent: July 9, 1985
    Assignee: Texaco Inc.
    Inventors: David A. Rutherford, Gerard P. Albers
  • Patent number: 4008774
    Abstract: A drill press that is hydraulically driven; the drill press including a turbine motor through which oil is pumped, and the motor having a rotor that is connected to the drill press spindle so to rotate the same.
    Type: Grant
    Filed: October 22, 1974
    Date of Patent: February 22, 1977
    Inventors: Martin B. Milano, David A. Rutherford, George Spector