Patents by Inventor Nicholas W. J. Pumphrey

Nicholas W. J. Pumphrey 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).

  • Electrode for electrochemical processes
    Patent number: 4514274
    Abstract: Electrodes comprising a film-forming metal support and a conductive coating in which is embodied a non-conducting particulate or fibrous refractory material. Preferred refractory materials include oxides which may be present as single oxides, binary oxides, ternary oxides and complex oxides, and also carbides, sulphides, nitrides and fluorides.
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: April 30, 1985
    Assignee: Imperial Chemical Industries PLC
    Inventors: Bernard Hesketh, Nicholas W. J. Pumphrey
  • Electrode for electrochemical processes
    Patent number: 4234405
    Abstract: Electrodes comprising a film-forming metal support and a conductive coating in which is embodied a non-conducting particulate or fibrous refractory material. Preferred refractory materials include oxides which may be present as single oxides, binary oxides, ternary oxides and complex oxides, and also carbides, sulphides, nitrides and fluorides.
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: November 18, 1980
    Assignee: Imperial Chemical Industries Limited
    Inventors: Bernard Hesketh, Nicholas W. J. Pumphrey