Patents by Inventor Richard Hampton Biddulph

Richard Hampton Biddulph 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).

  • Furnace temperature control system
    Patent number: 3952945
    Abstract: Temperature control system for furnaces used in heat-treating metallic articles, such as boronizing steel.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: April 27, 1976
    Assignee: United States Borax & Chemical Corporation
    Inventor: Richard Hampton Biddulph