Patents by Inventor Alan Nurick

Alan Nurick 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).

  • Operation of a helicopter
    Patent number: 5649678
    Abstract: In a helicopter having a main rotor, a tail boom and a circulation control slot along one side of the tail boom, and a thruster which is selectively directable at either side or both sides of the rear end of the tail boom, anti-torque and yaw control are effected by generating separate air flow streams of different pressures by means of separate pressure means and conducting said separate air flow streams at said different pressures in separate passages to respectively the circulation control slot and to the thruster.
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: July 22, 1997
    Assignee: Denel (Proprietary) Limited
    Inventor: Alan Nurick