Patents by Inventor David Nugent

David Nugent 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).

  • Ballast system for underwater vehicle
    Patent number: 6021731
    Abstract: A ballast weight system for releasably attaching a ballast weight to an urwater vehicle is disclosed where the system comprises a ballast weight, a housing disposed about the ballast weight, a fairing connected to the ballast weight to facilitate a flush connection of the ballast weight to the underwater vehicle, and a bolt coupler where one end of the bolt receives a lanyard pin therethrough and the second end connects a spring loaded bolt connected to the ballast weight. A linear actuator is connected to the lanyard pin. The lanyard pin placed through the bolt maintains the spring loaded bolt in spring compression such that when the pin is removed, the spring compression propels the ballast weight away from the housing.
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: February 8, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Daniel W. French, Theodore C. Gagliardi, Steven L. Camara, John J. Vaillancourt, David Nugent