Patents by Inventor Wilhelm Mrasek

Wilhelm Mrasek 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).

  • Enclosed wind device mechanism with eccentric rotor shaft
    Patent number: 4789297
    Abstract: A wind drive mechanism (10), comprising a housing (16) with a wind entry opening (25) and a wind outlet opening (26). In the housing (16) a rotor (30) is arranged with a vertically extending rotor shaft (31). The rotor shaft (31) is offset from the middle and is provided with rotor rotating arms (37). The rotor rotating arms (37) are slidable relative to the rotor shaft (31). Sails (32) are fixed to the rotor shaft (31) and to the take-up shafts (35), the sails being rolled in and out during each rotation of the rotor (30) with the help of electric motors (29).
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: December 6, 1988
    Inventor: Wilhelm Mrasek