Patents by Inventor Kazuo Morooka

Kazuo Morooka 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).

  • Excavator
    Patent number: 4171582
    Abstract: A plurality of sets of an excavating vessel and an associated soil discharging plate are mounted on an endless rotary member in an excavator in such a manner that said excavating vessel goes behind said associated soil discharging plate and the free end of said associated soil discharging plate is placed well into said excavating vessel so that said free end can discharge the soil excavated and contained in said excavating vessel at a predetermined position and, thus, the excavation and soil discharging works can be performed in a continuous and synchronized fashion.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: October 23, 1979
    Assignee: Morooka Co. Ltd.
    Inventor: Kazuo Morooka