Patents by Inventor Randall Scheel

Randall Scheel 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).

  • Scraper assembly for use with a fluidized bed condenser
    Patent number: 4291753
    Abstract: A fluidized bed condenser for use in condensing zirconium tetrachloride or hafnium tetrachloride vapor into solid zirconium tetrachloride or hafnium tetrachloride includes a scraper assembly. The scraper assembly includes at least one scraper arm located adjacent an inlet through which fluid zirconium tetrachloride or hafnium tetrachloride enters the condenser vessel. A cleanout rod is also mounted on the vessel to clean out the inlet, and the scraper includes a cleanout assembly for preventing build up of solid material in a solid outlet area defined in the vessel.
    Type: Grant
    Filed: February 7, 1979
    Date of Patent: September 29, 1981
    Assignee: Teledyne Industries, Inc.
    Inventors: Richard L. Fisher, David J. Wright, Randall Scheel