Patents by Inventor Frank Skerratt

Frank Skerratt 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).

  • Collapsible wet or dry submersible vehicle
    Patent number: 6655313
    Abstract: A submersible vehicle's hull has an outer wall that is at least partially constructed of a multi-wall fabric having a sealed space between at least two walls thereof. The sealed space is controllably filled with one of air, water, and a combination of air and water in order to control the buoyancy of the hull formed from the multi-wall fabric. Means are provided for propelling and steering the hull in the water. The interior volume of the hull can remain dry or can be filled with water for a wet mode of operation.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: December 2, 2003
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Robert Woodall, Felipe Garcia, Robert Schoeni, Frank Skerratt