Patents by Inventor Gregory Doughty

Gregory Doughty 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).

  • A DEAD-TIME CORRECTION METHOD IN QUALTITATIVE POSITRON EMISSION TOMOGRAPHY (PET) RECONSTRUCTION FOR VARIOUS OBJECTS AND RADIOACTIVITY DISTRIBUTIONS
    Publication number: 20210366165
    Abstract: A non-transitory computer-readable medium stores instructions readable and executable by a workstation (18) including at least one electronic processor (20) to perform an image reconstruction method (100).
    Type: Application
    Filed: January 24, 2019
    Publication date: November 25, 2021
    Inventors: Xiyun SONG, Jinghan YE, Yanfei MAO, Chuanyong BAI, Andriy ANDREYEV, Gregory DOUGHTY, Leonid ROMANOV, Zhiqiang HU
  • Method and apparatus for the treatment of a melt
    Patent number: 6599413
    Abstract: A method and apparatus for adding a metal, for example sodium, to a melt of a material, for example aluminum, in a vessel, in which a molten compound of the metal or a solution of a compound of the metal is provided in a container (12), the container being positioned outside the vessel, the compound is electrolytically decomposed and ions of the metal are caused to pass through a wall of a solid-state electrolyte (14) which is a conductor therefor, from a first side of the wall to an opposite second side thereof, and to combine with electrons at the second side of the wall and then to flow as molten metal from the container into the melt in the vessel.
    Type: Grant
    Filed: February 6, 2001
    Date of Patent: July 29, 2003
    Assignee: Foseco International Limited
    Inventors: Jacky Dekeyser, Derek John Fray, Robert Charles Copcutt, Gregory Doughty