Patents by Inventor Serge Harrison

Serge Harrison 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).

  • Shrouded propeller system for a sailboat
    Patent number: 5145428
    Abstract: A propeller system for an outboard motor, comprising a revised propeller, a symmetrical or Kort-type accelerating nozzle, and re-routed exhaust passages, is described. This system permits modification of a standard outboard motor intended for use with a planing type hull to make it applicable to a sailboat immersion type hull. The motor fuel consumption may also be improved.
    Type: Grant
    Filed: August 27, 1990
    Date of Patent: September 8, 1992
    Inventor: Serge Harrison
  • Propeller shroud
    Patent number: D419518
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: January 25, 2000
    Inventor: Serge Harrison