Patents by Inventor Tsueno Nagashima

Tsueno Nagashima 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: 4903462
    Abstract: An oil mister remover used in purifying polluted air containing oil mist generated in a factory or the like, composed of a main body having a suction hole, a ventilation chamber having an exhaust provided in the main body and a member having liquid discharger provided in the main body. The ventilation chamber is formed gradually larger in diameter toward the rotating direction of the fan, the inner edge of a suction guide for guiding the air into to the fan is curved so that the diameter may be larger than the fan and a drum having a rotary filter is provided in the main body. Multiple tiny holes are formed in the drum provided in the main body, and a curvature is formed beneath these tiny holes.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: February 27, 1990
    Assignees: Tabai Espec Co. Ltd., Itoman & Co. Ltd., Taichi Uchida
    Inventors: Tsueno Nagashima, Makoto Yamane