Patents by Inventor Masayuki Ueno

Masayuki Ueno 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).

  • Mud gun
    Patent number: 4247088
    Abstract: A mud gun for closing a tap hole of a vertical furnace, especially a blast furnace, is provided with a novel mechanism for traversing the gun barrel and pressing the muzzle of the barrel against the tap hole under high pressure.
    Type: Grant
    Filed: October 5, 1978
    Date of Patent: January 27, 1981
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Masayuki Ueno, Fumiaki Sano, Makoto Sagae, Tateo Kayama
  • Device for sampling gases in blast furnace
    Patent number: 4218918
    Abstract: A device is disclosed for inserting a lance into a vertical furnace, especially a blast furnace, so as to sample gases and measure the temperatures or pressures thereof, thereby obtaining the accurate information of operating conditions in the furnace.
    Type: Grant
    Filed: October 30, 1978
    Date of Patent: August 26, 1980
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Masayuki Ueno, Makoto Sagae, Fumiaki Sano
  • Device for sampling furnace gases
    Patent number: 4054060
    Abstract: The present invention discloses a furnace gas sampling device provided with a gate valve of the type in which a swingable valve disk is actuated to seal a lance insertion hole formed through the furnace wall when a lance is retracted away from the furnace and a mechanism for discharging dust and the like out of the valve box while the valve disk sealing the lance insertion hole.
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: October 18, 1977
    Assignee: Ishikawakima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Masayuki Ueno, Fumiaki Sano
  • Mud gun having clamping device
    Patent number: 4033565
    Abstract: Disclosed is a clamping device for securely locking a turret of a mud gun in operative position where a gun barrel, which has been traversed and elevated to a blowing position, has its nozzle firmly pressed against a tap hole of a shell of a furnace to blow a mud projectile into the tap hole.
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: July 5, 1977
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Masayuki Ueno, Fumiaki Sano