Patents by Inventor Susumu Waseda

Susumu Waseda 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 discharging overboard excess water from hopper of hopper suction dredger or barge or scow
    Patent number: 3999566
    Abstract: A method and apparatus for discharging overboard the excess water from the hopper of a hopper suction dredger, barge or scow for removing the air bubbles contained in the discharged water and for preventing the air bubbles from being entrained into the discharged water in order to prevent the turbidity of the water in the dredging area.
    Type: Grant
    Filed: August 21, 1975
    Date of Patent: December 28, 1976
    Assignees: Ishikawajima-Harima Jukogyo Kabushiki Kaisha, Tokushu Shunsetsu Kabushiki Kaisha
    Inventors: Shigeo Iwata, Ichiro Ofuji, Susumu Waseda, Naoshi Ishimatsu