Patents by Inventor Christopher E. Willingham

Christopher E. Willingham 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).

  • Passive aerosurface adjustment for static margin management
    Patent number: 8350200
    Abstract: A missile and a method for reducing the required control forces during the flight of a missile, comprising providing to the missile movable parts that adjust center of pressure of the missile as they move and as fuel in the missile is consumed, moving the movable parts so as to continuously move the center of pressure toward the moving center of gravity of the missile.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: January 8, 2013
    Assignee: Lockheed Martin Corporation
    Inventors: Andrew W. Hawkins, Christopher E. Willingham, Kit W. Grabbe