Patents by Inventor Jack L. Hubbard, deceased

Jack L. Hubbard, deceased 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).

  • Safety device for anchored marine structure
    Patent number: 4367982
    Abstract: A fail-safe guy line system for marine structures. In the event of cable failure near the water surface, a braking device, such as a cable clamp, can be wedged into a sheave or fairlead to prevent loss of the guy line.
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: January 11, 1983
    Assignee: Mobil Oil Corporation
    Inventor: Jack L. Hubbard, deceased