Patents by Inventor Stig Sundman

Stig Sundman 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).

  • Freely-floating wind power plant
    Patent number: 4775340
    Abstract: This invention concerns a wind power plant and/or wind motor-driven craft, consisting of a frame floating on a water surface and upon which has been mounted a tower with a wind-driven generator, and characterized in that the frame consists of a body which is round in the horizontal plane and stable on the water surface.
    Type: Grant
    Filed: January 16, 1987
    Date of Patent: October 4, 1988
    Inventor: Stig Sundman