Patents by Inventor Fuminobu Tanifuji

Fuminobu Tanifuji 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).

  • Device for solidifying sludgy material in a surface layer
    Patent number: 4069678
    Abstract: This invention relates to a device for solidifying sludgy material depositing on the earth surface, the device comprising an agitator having intergrated agitating shafts, each of which is provided with agitating blades. The agitator is attached to a stern of a working barge with a certain angle of inclination and also provided with nozzles for injecting chemical hardener. The device is capable of effectively solidifying the surface sludge over a wide area.
    Type: Grant
    Filed: September 29, 1976
    Date of Patent: January 24, 1978
    Assignee: Takenaka Komuten Co., Inc.
    Inventors: Mitsuo Miura, Yasuo Sugibayashi, Akio Suzuki, Yoshinori Kukino, Hayao Aoyagi, Fuminobu Tanifuji, Jiro Ishii