Patents by Inventor Duong Nguyen

Duong Nguyen 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: 5896410
    Abstract: A high temperature furnace formed from a stack of ceramic fiber--toroidal discs each fabricated to have an upper and lower groove for accommodating a heating coil so as to permit thermal elongation without buckling. The stacked array form a hollow cylindrical inner chamber which receives heat in the form of radiation through a window formed by removing a portion of the material between the groove and inner chamber.
    Type: Grant
    Filed: October 5, 1995
    Date of Patent: April 20, 1999
    Assignee: D.S. Fibertech Corporation
    Inventors: Duong Nguyen, Randall Newcomb, Lawrence Kaserman