Patents by Inventor Frank John Fielding

Frank John Fielding 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).

  • Patent number: 7306728
    Abstract: A shaftless rotor includes at least two recessed portions. The portions are shaped to enable the rotor to rotate by the application of fluid flow to the rotor. The centre of mass of the rotor is substantially at the centre of the volume of space occupied by the rotor.
    Type: Grant
    Filed: March 23, 2004
    Date of Patent: December 11, 2007
    Assignee: Zenergy International Limited
    Inventors: Raymond Taurua Tautuhi, Frank John Fielding