Patents by Inventor Shigetoshi Makaya

Shigetoshi Makaya 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).

  • Arrangement for disposing of fluid floating matter
    Patent number: 4119541
    Abstract: An arrangement for disposing of contaminating matter floating in a fluid. A recovery-separation tank is used with an inner water surface lower than that of the outside. The floating matter, such as oil floating on the surface of water outside the recovery-separation tank, is drawn in through an inlet of the recovery-separation tank. The floating matter and the water are separated into layers which flow into the recovery-separation tank and a drain pump discharges the water lying in the lower portion of the recovery-separation tank.
    Type: Grant
    Filed: May 3, 1976
    Date of Patent: October 10, 1978
    Assignee: M.O. (Mitsui-Osaka Maritime Construction Company Limited)
    Inventor: Shigetoshi Makaya