Patents by Inventor John Ottenheimer

John Ottenheimer 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).

  • Patent number: 4142822
    Abstract: A windmill with a vertical-axis rotor having thrust vanes which is surrounded by a stationary cage having guide vanes to channel the windstream to the rotor. In the preferred embodiment the rotor is a flow-through type with airfoil vanes.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: March 6, 1979
    Inventors: Frank P. Herbert, John Ottenheimer