Patents by Inventor Shigeru Nishikiori

Shigeru Nishikiori 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).

  • Cyclone type dust collector
    Patent number: 6042628
    Abstract: A cyclone type dust collector having a raw air intake aperture, an air separating chamber including a cylinder of upper part and a reversed circular cone of lower part, inner and outer clean air exhaust ducts, the bottom of the air exhaust ducts being closed, the bottom of the reversed circular cone being opened, the exhaust ducts coaxially disposed passing through the air separating chamber, and the surface of the exhaust ducts being provided with many small holes or mesh, small balls or the like being filled between the outer and inner clean air exhaust ducts.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: March 28, 2000
    Assignee: Toyo Gijutsu Kogyo Co., Ltd.
    Inventors: Shigeru Nishikiori, Hajime Mukai, Syuoiji Moriyama, Hiroshi Awata