Patents by Inventor John W. Hansen

John W. Hansen 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).

  • Microcontroller system for identifying RF coils in the bore of a magnetic resonance imaging system
    Patent number: 7940047
    Abstract: A method and apparatus for identifying local RF coils in a MR system includes a microcontroller that is provided in the bore of the system. The microprocessor determines when local RF coils are connected, identifies the coils, and provides the information to an MR scanner. The controller is shielded to prevent electromagnetic interference.
    Type: Grant
    Filed: November 24, 2008
    Date of Patent: May 10, 2011
    Assignee: Sentinelle Medical, Inc.
    Inventors: John W. Hansen, Joshua L. Richmond, Han Wang, Gal Sela
  • Microcontroller System for Identifying RF Coils in the Bore of a Magnetic Resonance Imaging System
    Publication number: 20090149737
    Abstract: A method and apparatus for identifying local RF coils in a MR system includes a microcontroller that is provided in the bore of the system. The microprocessor determines when local RF coils are connected, identifies the coils, and provides the information to an MR scanner. The controller is shielded to prevent electromagnetic interference.
    Type: Application
    Filed: November 24, 2008
    Publication date: June 11, 2009
    Inventors: John W. Hansen, Joshua L. Richmond, Han Wang, Gal Sela
  • Fuel control system for a carburetor
    Patent number: 4663090
    Abstract: A fuel control system for a carburetor. The fuel control system includes a primary restrictor, primary adjustable jet and secondary restrictor connecting a carburetor reservoir and nozzle bar in fluid-flow relation to a fuel supply. Adjustment and metering means control the amount of fuel that is provided to the carburetor nozzle bar.
    Type: Grant
    Filed: September 11, 1985
    Date of Patent: May 5, 1987
    Assignee: Pollution Controls Industries, Inc.
    Inventors: William H. Herd, Jr., John W. Hansen