Patents by Inventor Graham Gerrad

Graham Gerrad 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).

  • Electrically conductive materials
    Patent number: 6172344
    Abstract: A conductive element useable as a resistance heater comprises a carbonized fabric (12) which has electrical terminals (18, 20) connected thereto and is encapsulated in or sandwiched between layers of plastic insulating material. The element generally is flexible and can be embodied in for example blankets for animals, vehicle seats and clothing. It is preferably provided with an electrical control circuit for controlling the temperature to which the fabric heats.
    Type: Grant
    Filed: July 25, 1996
    Date of Patent: January 9, 2001
    Assignee: Gorix Limited
    Inventors: John Yeats Gordon, John Robert Rix, Graham Gerrad