Patents by Inventor Kurioka Takashi

Kurioka Takashi 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).

  • Water supply suspending implement with stopping piece
    Patent number: 4111233
    Abstract: A pipeline expansion plug comprises a cylindrical element driven by a lever working through links to expand the plug. Passing through the cylindrical element is a device for rotatably adjusting the degree of expansion of the plug.
    Type: Grant
    Filed: April 12, 1977
    Date of Patent: September 5, 1978
    Inventor: Kurioka Takashi