Patents by Inventor Sammy K. Flud

Sammy K. Flud 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: 5033861
    Abstract: A rotor assembly for use in a rotary extruder, comprising a rotor rotatably mounted inside a barrel by means of drive and free end bearing assemblies; a coaxial longitudinal bore extending into the rotor from its free end; a conduit disposed within the bore defining a longitudinally extending annulus therebetween; and rotatable means providing fluid communication between a heating medium inlet and the rotor bore through the longitudinally extending annulus, and between the annulus and a heating medium outlet through the conduit.
    Type: Grant
    Filed: December 19, 1989
    Date of Patent: July 23, 1991
    Assignee: Permian Research Corp.
    Inventors: Granville J. Hahn, Sammy K. Flud
  • Patent number: 4887907
    Abstract: A rotor assembly for use in a rotary extruder, comprising a rotor rotatably mounted inside a barrel by means of drive and free end bearing assemblies; a coaxial longitudinal bore extending into the rotor from its free end; a sleeve within the bore defining a thermally insulated central zone disposed radially inward from the plasticizing surface of the rotor, and cooling zones disposed at each end of the sleeve radially inward from the drive and free end bearing assemblies; a conduit disposed within the sleeve defining a longitudinally extending annulus therebetween; and rotatable means providing fluid communication between a coolant inlet and the interior of the conduit, and between the longitudinally extending annulus and a coolant outlet.
    Type: Grant
    Filed: May 3, 1989
    Date of Patent: December 19, 1989
    Assignee: Permian Research Corporation
    Inventors: Granville J. Hahn, Sammy K. Flud