Patents by Inventor Robert Edward Corkhill

Robert Edward Corkhill 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).

  • Electronic valves
    Patent number: 4119880
    Abstract: An electronic valve includes a shell electrode which is mounted on a support in such a way as to provide a good continuous electrical contact therewith. The base of the shell electrode is flared and mates with a tapered portion of the support, and is held in contact therewith by means of a clamp.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: October 10, 1978
    Assignee: English Electric Valve Company Limited
    Inventors: David Mark Wilcox, Robert Edward Corkhill