Patents by Inventor Yasutaro YOSHIDA

Yasutaro YOSHIDA 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).

  • High temperature gate valve
    Patent number: 9416881
    Abstract: A high temperature gate valve includes a valve body, a valve element configured to open and close a flow path, and a guide member which is provided in the valve body and guides the valve element in an opening/closing direction. The valve body includes a valve body main portion and a bonnet portion. The valve element slides along the opening/closing direction guided by the guide member. The valve element at a shut-off position blocks the flow path by projecting into the valve body main portion, and at an open position retracts into the bonnet portion. The guide member is divided into a plurality of divided guiding elements along the opening/closing direction, and each of the divided guiding elements are welded to an inside of the valve body.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: August 16, 2016
    Assignee: KUBOTA CORPORATION
    Inventors: Susumu Takeda, Kohei Mori, Yasutaro Yoshida
  • HIGH TEMPERATURE GATE VALVE
    Publication number: 20140231691
    Abstract: A high temperature gate valve includes a valve body, a valve element configured to open and close a flow path, and a guide member which is provided in the valve body and guides the valve element in an opening/closing direction. The valve body includes a valve body main portion and a bonnet portion. The valve element slides along the opening/closing direction guided by the guide member. The valve element at a shut-off position blocks the flow path by projecting into the valve body main portion, and at an open position retracts into the bonnet portion. The guide member is divided into a plurality of divided guiding elements along the opening/closing direction, and each of the divided guiding elements are welded to an inside of the valve body.
    Type: Application
    Filed: April 29, 2014
    Publication date: August 21, 2014
    Applicant: KUBOTA CORPORATION
    Inventors: Susumu TAKEDA, Kohei MORI, Yasutaro YOSHIDA