Patents by Inventor Shoji Kohno

Shoji Kohno 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).

  • Apparatus and method for treating sludge deposits
    Patent number: 4212548
    Abstract: An apparatus for treating sludge deposits comprising a girder, first running means for moving the girder in a direction perpendicular to the longitudinal direction of the girder, kneading means held on the girder, second running means for moving the kneading means through a holding frame in a direction perpendicular to the longitudinal direction of the girder and lift means for bringing up and down the kneading means while a chemical is fed from the kneading means is disclosed.The method for treating sludge deposits by using this treating apparatus comprises repeating the step of treating a sludge deposit layer in a band-like area by simultaneously driving the second running means and lift means and the step of driving the first running means, whereby a sludge deposit in a broad region is continuously and promptly treated.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: July 15, 1980
    Assignee: Takenaka Komuten Company, Limited
    Inventors: Masao Miyaguchi, Tateo Kawamura, Kazuyoshi Nakanishi, Shoji Kohno
  • Apparatus treating sludge deposits
    Patent number: 4189239
    Abstract: An apparatus for treating sludge deposits comprising a girder, first running means for moving the girder in a direction rectangular to the longitudinal direction of the girder, kneading means held on the girder, second running means for moving the kneading means through a holding frame in a direction rectangular to the longitudinal direction of the girder and lift means for bringing up and down the kneading means while a chemical is fed from the kneading means is disclosed.
    Type: Grant
    Filed: December 2, 1977
    Date of Patent: February 19, 1980
    Assignee: Takenaka Komuten Co., Ltd.
    Inventors: Masao Miyaguchi, Tateo Kawamura, Kazuyoshi Nakanishi, Shoji Kohno