Patents by Inventor Gary J. de Simone

Gary J. de Simone 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 blade
    Patent number: 4142837
    Abstract: A helicopter blade of improved airfoil shape which reduces or eliminates retreating blade stall by reducing the magnitude of the upper airfoil blade surface peak pressure and distributes it over a greater chord section of the blade to thereby reduce flow separation and drag.
    Type: Grant
    Filed: November 11, 1977
    Date of Patent: March 6, 1979
    Assignee: United Technologies Corporation
    Inventor: Gary J. de Simone