Patents by Inventor Tatsuo Nishida

Tatsuo Nishida 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).

  • Waterwall tube block design
    Patent number: 5542378
    Abstract: A waterwall heat transfer system has a tube block secured to a tube assembly. The tube assembly includes a plurality of parallel tubes connected together by a membrane. The tube block has a base section and a plurality of spaced ridges extending upward from the base section, the upper surface of at least one of the spaced ridges defining a generally horizontal surface. The ridges are spaced to define channels therebetween with the height of at least one of the ridges selected to provide a seat for the membrane of the assembly.
    Type: Grant
    Filed: June 2, 1994
    Date of Patent: August 6, 1996
    Assignee: Saint-Gobain/Norton Industrial Ceramics Corp.
    Inventors: Stephen M. Kubiak, Tatsuo Nishida