Patents by Inventor Alan J. Cocker

Alan J. Cocker 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).

  • Oxygen measuring probe
    Patent number: 5611901
    Abstract: An oxygen measuring probe for use with molten metal baths for the manufacture of glass which probe comprises a probe body (4) comprising an elongate tubular member (6) closed at one end by a separate tip part (8) formed of stabilised zirconia which constitutes a solid electrolyte through which oxygen ions can pass, said tubular member (6) being formed of a heat-resistant material different from said zirconia, a first electrode (16) connected to the inner surface of the zirconia tip part (8), earthing means adapted for connection to earth out of contact with the molten metal and voltage measuring means (24) connected between the first electrode (16) and said earthing means (26).
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: March 18, 1997
    Assignee: Pilkington plc
    Inventors: Alan J. Cocker, Esther C. Batchelor
  • Method of using oxygen measuring probe
    Patent number: 5480523
    Abstract: An oxygen measuring probe for use with molten metal baths for the manufacture of glass which probe comprises a probe body (4) comprising an elongate tubular member (6) closed at one end by a separate tip part (8) formed of stabilised zirconia which constitutes a solid electrolyte through which oxygen ions can pass, said tubular member (6) being formed of a heat-resistant material different from said zirconia, a first electrode (16) connected to the inner surface of the zirconia tip part (8), earthing means adapted for connection to earth out of contact with the molten metal and voltage measuring means (24) connected between the first electrode (16) and said earthing means (26).
    Type: Grant
    Filed: December 16, 1994
    Date of Patent: January 2, 1996
    Assignee: Pilkington plc
    Inventors: Alan J. Cocker, Esther C. Batchelor