Patents by Inventor James H. Keesling

James H. Keesling 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).

  • Sailboats and methods
    Patent number: 6189471
    Abstract: The invention provides various improved sailboats and methods for their use. In one exemplary embodiment, a sailboat comprises a hull and a deck that is operably attached to the hull. The deck has a longitudinal axis extending along its center. A mast is generally aligned with the longitudinal axis, and a luff cable is coupled to the mast and the deck. The luff cable is movable relative to the longitudinal axis. Further, a foresail is coupled to the luff cable such that at least a portion of the foresail is movable relative to the longitudinal axis upon movement of the luff cable.
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: February 20, 2001
    Inventors: David N. Mitchell, John W. Bradley, James H. Keesling
  • Sailboats and methods
    Patent number: 5996519
    Abstract: The invention provides various improved sailboats and methods for their use. In one exemplary embodiment, a sailboat comprises a hull and a deck that is operably attached to the hull. The deck has a longitudinal axis extending along its center. A mast is generally aligned with the longitudinal axis, and a luff cable is coupled to the mast and the deck. The luff cable is movable relative to the longitudinal axis. Further, a foresail is coupled to the luff cable such that at least a portion of the foresail is movable relative to the longitudinal axis upon movement of the luff cable.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: December 7, 1999
    Assignee: Cerebral Technologies, Inc.
    Inventors: David N. Mitchell, John W. Bradley, James H. Keesling
  • Sailboat and methods
    Patent number: 5988086
    Abstract: The invention provides various improved sailboats and methods for their use. In one exemplary embodiment, a sailboat comprises a hull and a deck that is operably attached to the hull. The deck has a longitudinal axis extending along its center. A mast is generally aligned with the longitudinal axis, and a luff cable is coupled to the mast and the deck. The luff cable is movable relative to the longitudinal axis. Further, a foresail is coupled to the luff cable such that at least a portion of the foresail is movable relative to the longitudinal axis upon movement of the luff cable.
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: November 23, 1999
    Assignee: Cerebral Technologies, Inc.
    Inventors: David N. Mitchell, John W. Bradley, James H. Keesling