Patents by Inventor Thomas E. Calvert

Thomas E. Calvert 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).

  • Integrated motor/gear pump
    Patent number: H1966
    Abstract: Pinion and ring gears intermeshed at one location within a pump chamber are rotationally supported therein by a cylindrical bearing portion of a housing sealingly enclosing said pump chamber between side plates of the housing within which stator windings are mounted in operative alignment with permanent magnets carried in one of the gears acting as a motor rotor as a result of interaction between such magnets and magnetic fields produced by electrical input power fed to the stator windings.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: June 5, 2001
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: John W. Henry, IV, William F. Flickinger, Thomas E. Calvert, Robert C. Smith, James S. Slebzak