Patents by Inventor Thomas E. Digan

Thomas E. Digan 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).

  • Submarine remote surface platform
    Patent number: 7230881
    Abstract: A platform with a sensor is for coupling to a submarine or other underwater vehicle and for sending data about the seascape to the submarine. In an embodiment, the platform is coupled to the submarine via a cable that has communication lines in it. The sensor may be attached to the platform via a mast. In an embodiment, the platform has a control surface, an anti-collision sensor, and a ballast. The platform allows a submarine to survey the seascape before rising to periscope depth.
    Type: Grant
    Filed: April 20, 2005
    Date of Patent: June 12, 2007
    Assignee: Lockheed Martin Corporation
    Inventors: Robert J. Howard, Thomas E. Digan, John W. Rapp