Patents by Inventor Kiyoteru Segawa

Kiyoteru Segawa 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).

  • Method and apparatus for dehydrating sludge
    Patent number: 4761895
    Abstract: A technique for dehydrating a wet sludge. Wet sludge is subjected to a preliminary dehydration by gravity dehydration or the like. It is then pelletized by a pelletizer, and obtained pellets of the sludge are subjected to compression dehydration with a pair of endless filter fabrics.
    Type: Grant
    Filed: November 26, 1984
    Date of Patent: August 9, 1988
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Kiyoshi Uyama, Yoshio Kanno, Kiyoteru Segawa, Yasuhiko Kihara