Patents by Inventor Gifford Pinchot, III

Gifford Pinchot, 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).

  • Hydrofoil vessel
    Patent number: 4061104
    Abstract: A hydrofoil vessel in which the hydrofoils comprise pairs of rotary members which are inclined in a downwardly inboard direction from opposite sides of the hull or body portion of the vessel. The rotary members have foil-shaped peripheral portions extending into the water at an acute angle with respect to the water surface and are movable both axially and angularly to achieve optimum lift consistent with the vessel's speed.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: December 6, 1977
    Inventor: Gifford Pinchot, III
  • Hydrofoil vessel
    Patent number: 3996872
    Abstract: A hydrofoil vessel in which the hydrofoils comprise pairs of rotary members which are inclined in a downwardly inboard direction from opposite sides of the hull or body portion of the vessel. The rotary members have foil-shaped peripheral portions extending into the water at an acute angle with respect to the water surface and are movable both axially and angularly to achieve optimum lift consistent with the vessel's speed.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: December 14, 1976
    Inventor: Gifford Pinchot, III