Patents by Inventor Tateo Kayama

Tateo Kayama 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