Patents by Inventor Keiji Muramatsu

Keiji Muramatsu 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).

  • Joint structure for a tube support plate and a tube
    Patent number: 4875712
    Abstract: In a joint structure for a tube support plate and a tube, a ceramic tube is provided aligned with a retaining hole of a tube support plate cooled by cooling medium and a bellows is placed in or near the retaining hole. An end of the bellows is fixed directly or indirectly to the tube support plate and the other end thereof is linked to the ceramic tube.
    Type: Grant
    Filed: March 14, 1989
    Date of Patent: October 24, 1989
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Noriyuki Oda, Tetsuo Takehara, Katsumi Higashi, Keiji Muramatsu
  • Joint structure for a tube support plate and a tube
    Patent number: 4838581
    Abstract: In a joint structure for a tube support plate and a tube, a ceramic tube is provided aligned with a retaining hole of a tube support plate cooled by cooling medium and a bellows is placed in or near the retaining hole. An end of the bellows is fixed directly or indirectly to the tube support plate and the other end thereof is linked to the ceramic tube.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: June 13, 1989
    Assignee: Asahi Glass Company Ltd.
    Inventors: Noriyuki Oda, Tetsuo Takehara, Katsumi Higashi, Keiji Muramatsu
  • Joint structure for a tube support plate and a tube
    Patent number: 4753457
    Abstract: In a joint structure for a tube support plate and a tube, a ceramic tube is provided aligned with a retaining hole of a tube support plate cooled by cooling medium and a bellows is placed in or near the retaining hole. An end of the bellows is fixed directly or indirectly to the tube support plate and the other end thereof is linked to the ceramic tube.
    Type: Grant
    Filed: February 3, 1986
    Date of Patent: June 28, 1988
    Assignee: Asahi Glass Company Ltd.
    Inventors: Noriyuki Oda, Tetsuo Takehara, Katsumi Higashi, Keiji Muramatsu
  • Joint structure for a tube and a header
    Patent number: 4623017
    Abstract: A joint structure for at least one tube and a header, wherein the header comprises a gas chamber, a sand chamber filled with a sealing sand and a partition plate dividing the gas chamber and the sand chamber, and the tube extends from the exterior of the header through the sand chamber and has its one end open in the gas chamber.
    Type: Grant
    Filed: March 12, 1984
    Date of Patent: November 18, 1986
    Assignee: Asahi Glass Company Ltd.
    Inventors: Noriyuki Oda, Nobuyuki Kido, Keiji Muramatsu