Patents by Inventor Peter N. Kember

Peter N. Kember 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).

  • Ammonia gas sensors
    Patent number: 4350660
    Abstract: An ammonia sensitive element which comprises a body of copper phthalocyanine whose electrical resistance varies with the concentration of ammonia gas to which it is exposed. The body of copper phthalocyanine may be supported on a substrate bearing interlaced electrodes.
    Type: Grant
    Filed: May 13, 1981
    Date of Patent: September 21, 1982
    Assignee: EMI Limited
    Inventors: Grenville A. Robinson, Peter N. Kember, Derek K. Burns