Patents by Inventor Iwamitsu Shiozawa

Iwamitsu Shiozawa 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).

  • Adsorption apparatus
    Patent number: 4713100
    Abstract: An adsorption apparatus with a good heat recovery and a good noise abatement for separating a gas mixture into its components by pressure swing adsorption comprises a closed vessel having an inlet nozzle for a gas mixture at one end, an adsorbent packed as a bed in the closed vessel and a passage for an unadsorbed gas being vertically provided in the vessel through the adsorbent bed, whose one end is open above the top of the adsorbent bed and whose another end passes through the closed vessel at the inlet nozzle side to the outside.
    Type: Grant
    Filed: June 25, 1986
    Date of Patent: December 15, 1987
    Assignee: Seitetsu Kagaku Co., Ltd.
    Inventors: Kazuo Haruna, Iwamitsu Shiozawa