Patents by Inventor Geoffrey Hugh Wainwright

Geoffrey Hugh Wainwright 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).

  • Surface heating equipment
    Patent number: 4121093
    Abstract: A heating tape is described which comprises two longitudinally extending foil conductors and a longitudinally extending tape incorporating heating elements spaced apart along its length. The heating elements are connected electrically in parallel between the heating foils, enabling the heating tape to be powered from one end.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: October 17, 1978
    Assignee: Heat Trace Limited
    Inventor: Geoffrey Hugh Wainwright