Patents by Inventor Mituo Shibata

Mituo Shibata 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).

  • Patent number: 4015433
    Abstract: The present invention relates to an anchoring device which rigidly supports many kinds of standing objects in public works or in the construction industry and provides resistance to pulling loads exerted on the device, and also to a method for settling the device in the bottom of a deep shaft bored into the ground.
    Type: Grant
    Filed: November 19, 1975
    Date of Patent: April 5, 1977
    Inventor: Mituo Shibata
  • Patent number: 3935912
    Abstract: The present invention relates to an anchoring device which rigidly supports many kinds of standing objects in public works or in the construction industry and provides resistance to pulling loads exerted on the device, and also to a method for settling the device in the bottom of a deep shaft bored into the ground.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: February 3, 1976
    Inventor: Mituo Shibata