Patents by Inventor Keith M. Rudofsky

Keith M. Rudofsky 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).

  • Motorized surf boots
    Patent number: 5643029
    Abstract: The apparatus of the invention offers a new sports activity, somewhere between roller-blading and waverunning, by incorporating a pair of boots on a pair of boards, and powering the combination by a pair of centrifugal clutch motors of rating not exceeding 5.0 horsepower, with a pair of throttled controls respectively coupled forwardly from the motors to extend to a position and height where they can be held and adjusted by a user in varying the horsepower delivered to the boards. In a preferred embodiment of the invention, the apparatus is intended for use in a water environment, although by adding wheels to the underside of the boards, the apparatus can be modified for land use.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: July 1, 1997
    Inventor: Keith M. Rudofsky
  • Propeller shroud defining water flow ducts
    Patent number: D416535
    Type: Grant
    Filed: February 23, 1998
    Date of Patent: November 16, 1999
    Inventor: Keith M. Rudofsky
  • Propeller guard having maneuvering vanes
    Patent number: D424503
    Type: Grant
    Filed: February 23, 1998
    Date of Patent: May 9, 2000
    Inventor: Keith M. Rudofsky