Patents by Inventor John Forrest White

John Forrest White 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 propeller guard
    Patent number: 6162104
    Abstract: A hydrofoil propeller guard, including a thrust tube, a hydrofoil fin and bottom securing plate, is used in conjunction with an outboard motor mounted on a boat and with stern drives, to encompass the propeller to reduce sideways thrust, to move items away from the propeller, and the guard preferably includes a trolling plate to increase slow speed performance.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: December 19, 2000
    Inventor: John Forrest White
  • Hydrofoil propeller guard
    Patent number: 5975969
    Abstract: A hydrofoil propeller guard, including a thrust tube, a hydrofoil fin and bottom securing plate, is used in conjunction with an outboard motor mounted on a boat and with stern drives, to encompass the propeller to reduce sideways thrust, to move items away from the propeller, and the guard preferably includes a trolling plate to increase slow speed performance.
    Type: Grant
    Filed: July 6, 1998
    Date of Patent: November 2, 1999
    Assignee: Cal-Neva Marine Co. Inc.
    Inventor: John Forrest White