Patents by Inventor William C. Fort, III

William C. Fort, III 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).

  • Metal oversheathed electrical resistance heater
    Patent number: 4626665
    Abstract: A corrosion-resistant long heater is formed by encasing segments of metal-sheathed, mineral-insulated, electrical resistance heating elements within a metal oversheath which oversheath is substantially completely impermeable and is compressed inwardly to create metal-to-metal contacts between the sheath and the encased elements.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: December 2, 1986
    Assignee: Shell Oil Company
    Inventor: William C. Fort, III