Patents by Inventor John O. Trimble

John O. Trimble 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).

  • Shielded anodes
    Patent number: 4133737
    Abstract: A shielded anode, preferably of the aluminum type, comprising an elongated anode body encased on all sides including the top, bottom and the ends by a sheathing which comprises a pair of plastic casings including an inner casing which is in direct contact with the anode body, at least at the corners thereof, and an outer casing surrounding said inner casing and in contact therewith at least at the corners thereof. The outer casing is further supported by spacer members located between the outer surface of the inner casing and the inner surface of the outer casing.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: January 9, 1979
    Assignee: Exxon Research & Engineering Co.
    Inventor: John O. Trimble