Patents by Inventor Dan H. Dane

Dan H. Dane 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).

  • Oscillating vane engine
    Patent number: 4029060
    Abstract: A vane-type internal combustion engine in which, during a power stroke, a spring is compressed which delivers back power to the engine during a non-powered stroke and provides relatively even torque.
    Type: Grant
    Filed: May 21, 1976
    Date of Patent: June 14, 1977
    Inventor: Dan H. Dane