Patents by Inventor Thomas L. Sinclair, Jr.

Thomas L. Sinclair, Jr. 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).

  • Patent number: 4774902
    Abstract: A mid-planing hull for a fast, sea-going vessel in which the centers of buoyancy, gravity, and hydrodynamic lift at planing speeds substantially coincide amidships. In a preferred embodiment, the hull includes a full forefoot of conically developed forward sections, a straight and level keel in a vee-bottom of constant deadrise, with planing surfaces distinctly decreasing in area in the afterbody to trailing edges at the stern.
    Type: Grant
    Filed: March 3, 1986
    Date of Patent: October 4, 1988
    Assignee: Sinclair & Associates, Inc.
    Inventor: Thomas L. Sinclair, Jr.