Patents by Inventor Brad D. Canfield

Brad D. Canfield 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).

  • MULTI-GRID ELECTRON GUN WITH SINGLE GRID SUPPLY
    Publication number: 20190074154
    Abstract: Some embodiments include a system, comprising: a high voltage enclosure; a cathode disposed in the high voltage enclosure; an anode disposed in the high voltage enclosure; a plurality of grids disposed in the high voltage enclosure between the cathode and the anode; a voltage source configured to generate a common grid voltage; and a voltage divider disposed in the high voltage enclosure, configured to generate a plurality of grid voltages based on the common grid voltage, and configured to apply at least two of the grid voltages to the grids.
    Type: Application
    Filed: September 1, 2017
    Publication date: March 7, 2019
    Applicant: Varex Imaging Corporation
    Inventors: Colton B. Woodman, Brad D. Canfield