Patents by Inventor Tetsushi MINAMOTO

Tetsushi MINAMOTO 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).

  • Welding torch and welding torch cooling system
    Patent number: 11370053
    Abstract: An aspect of the present disclosure provides a welding torch that includes a torch head and a torch body removably connected to the torch head. The torch head includes first and second torch-head flow paths for flowing cooling water, first and second inlets/outlets communicating with the first and second torch-head flow paths, respectively, and a movable part movable in an axial direction of the torch head. The torch body includes a torch-body flow path for flowing cooling water, and first and second connection ports communicating with opposite ends of the torch-body flow path, respectively. The first and second inlets/outlets communicate with the first and second connection ports, respectively, when the torch head and the torch body are connected to each other. The first and second inlets/outlets are closed with the movable part when the torch head and the torch body are separated.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: June 28, 2022
    Assignee: DAIHEN Corporation
    Inventors: Tetsushi Minamoto, Yukiya Morita, Yoshiaki Fukunaga
  • WELDING TORCH AND WELDING TORCH COOLING SYSTEM
    Publication number: 20200094344
    Abstract: An aspect of the present disclosure provides a welding torch that includes a torch head and a torch body removably connected to the torch head. The torch head includes first and second torch-head flow paths for flowing cooling water, first and second inlets/outlets communicating with the first and second torch-head flow paths, respectively, and a movable part movable in an axial direction of the torch head. The torch body includes a torch-body flow path for flowing cooling water, and first and second connection ports communicating with opposite ends of the torch-body flow path, respectively. The first and second inlets/outlets communicate with the first and second connection ports, respectively, when the torch head and the torch body are connected to each other. The first and second inlets/outlets are closed with the movable part when the torch head and the torch body are separated.
    Type: Application
    Filed: May 10, 2018
    Publication date: March 26, 2020
    Inventors: Tetsushi MINAMOTO, Yukiya MORITA, Yoshiaki FUKUNAGA