Patents by Inventor Jack W. Nolan

Jack W. Nolan 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).

  • Helicopter with coaxial counter-rotating dual rotors and no tail rotor
    Patent number: 5791592
    Abstract: A helicopter having two engines driving a single rotating drive shaft on which are mounted two spaced counter-rotating coaxial rotors at the same speed and having a tail boom free of a tail rotor and supporting two horizontally spaced pairs of air foils for controlling the direction of yaw in flight.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: August 11, 1998
    Inventors: Herbert M. Nolan, Jack W. Nolan