Patents by Inventor Peter G. Krovina

Peter G. Krovina 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).

  • Sailing system
    Patent number: 4276033
    Abstract: A sail mounting frame extends upwardly from the hull of a boat and is constructed of a lower section and an upper section which rotate relative to each other about a first axis of rotation which extends generally vertically upwardly with respect to the hull of the boat. An overhung axle is rotatably journaled to the mounting frame upper section for rotation about a second axis corresponding to the longitudinal axis of the axle. A circular convex sail is supported by a correspondingly shaped support frame, which support frame is mounted on the free end of the axle for rotation of the sail about both the first and second axis of rotation.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: June 30, 1981
    Inventor: Peter G. Krovina
  • Snow sled
    Patent number: D282057
    Type: Grant
    Filed: March 11, 1983
    Date of Patent: January 7, 1986
    Inventor: Peter G. Krovina
  • Wind-powered floating home
    Patent number: D289032
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: March 31, 1987
    Inventor: Peter G. Krovina