Patents by Inventor Paul Asperger

Paul Asperger 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).

  • Windmill with shroud adjusting means
    Patent number: 4031405
    Abstract: A windmill having a shroud rotatably mounted with respect to a horizontally rotatable vane assembly of the windmill and a directional vane mounted to the shroud to automatically position the shroud to expose half of the windmill vane assembly to the wind. The directional vane is adjustably mounted to the shroud so that the directional vane can be positioned with respect to the shroud to provide a range of positions of the shroud from a position in which the effect of the wind is at a maximum to a position at which it has no effect at all.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: June 21, 1977
    Inventor: Paul Asperger