Patents by Inventor Alan R. Atterbury

Alan R. Atterbury 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: 4999049
    Abstract: An electrically resistive track suitable for use as a heating element consists of a thick film including a base metal constituent and a glass constituent. The thick film has in the temperature range of from 20.degree. C. to 600.degree. C. a temperature coefficient of resistance (TCR) less than 0.0050 per degree C. Suitable metal constituents include tungsten, molybdenum, a mixture of nickel and tungsten and a mixture of nickel and chromium.
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: March 12, 1991
    Assignee: Thorn EMI plc
    Inventors: Simon N. Balderson, Alan R. Atterbury