Patents Assigned to Daiyo Kiko Industry, Inc.
  • Muddy and waste water treatment method
    Patent number: 5338459
    Abstract: A water treatment method and device can perform a regeneration treatment of the muddy water once used in a water excavation work to decrease its specific gravity for reuse in the water excavation work, and a dehydration treatment of various waste waters such as muddy water from the water excavation work and industrial waste water for final disposal.
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: August 16, 1994
    Assignee: Daiyo Kiko Industry, Inc.
    Inventor: Kaoru Hirose
  • Muddy and waste water treatment device and method
    Patent number: 5252202
    Abstract: A water treatment method and device can perform a regeneration treatment of the muddy water once used in a water excavation work to decrease its specific gravity for reuse in the water excavation work, and a dehydration treatment of various waste waters such as muddy water from the water excavation work and industrial waste water for final disposal.
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: October 12, 1993
    Assignee: Daiyo Kiko Industry, Inc.
    Inventor: Kaoru Hirose