Patents by Inventor Jamie C. Chapman

Jamie C. Chapman 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).

  • Power-transducer/conversion system and related methodology
    Patent number: 6417578
    Abstract: A system and method (several variations) for interconverting moving fluid power and electrical power, involving, in one embodiment, an aerodynamic rotor integrated with an electrical rotor without an interconnecting rotating shaft, where the aerodynamic rotor can either take the form of (a) a selected style (several discussed herein) hoop-type rotor or (b) a fan-blade-type rotor, and in another embodiment, a hoop-like aerodynamic rotor coupled directly to the rotor in an electrical generator through a rotating shaft.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: July 9, 2002
    Assignee: Prime Energy Corporation
    Inventors: Jamie C. Chapman, Jon A. Peterka
  • Integrated rotor-generator
    Patent number: 6177735
    Abstract: A system and method for interconverting moving fluid power and electrical power involves an aerodynamic rotor integrated with an electric rotor without an interconnecting rotating shaft.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: January 23, 2001
    Inventors: Jamie C. Chapman, Jon A. Peterka
  • Signal processing in short-pulse geophysical radar system
    Patent number: 4008469
    Abstract: Signal processing techniques and apparatus for use in short-pulse geophysical radar systems to improve signal-to-noise ratio, reduce r.f. interference, improve resolution and reduce ambiguities.
    Type: Grant
    Filed: August 6, 1974
    Date of Patent: February 15, 1977
    Assignee: Terrestrial Systems, Incorporated
    Inventor: Jamie C. Chapman