Patents by Inventor Doug Freeman

Doug Freeman 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).

  • Unmanned system for underwater object inspection, identification and/or neutralization
    Patent number: 7296530
    Abstract: An unmanned system performs inspection, identification and/or neutralization of underwater objects. An unmanned vehicle that operates at a water's surface stows underwater crawling and/or swimming vehicles that can operate underneath a water's surface. A winch associated with each robotic vehicle is mounted on the unmanned vehicle. An electro-mechanical tether electrically and mechanically couples a corresponding robotic vehicle to the unmanned vehicle, and is mechanically coupled to a corresponding winch for control of the paying out and reeling in thereof.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: November 20, 2007
    Assignee: United States of America as represented by the Secretary of the Navy
    Inventors: Charles Bernstein, John Dudinsky, Paul Moser, Daniel Kucik, Doug Freeman, David Jennings