Patents by Inventor Katsuji Ohno

Katsuji Ohno 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).

  • Valve plug and valve provided therewith
    Patent number: 7146824
    Abstract: A valve plug is threadedly engaged with a valve stem so as to be inserted from an open end of a passage for charging with and/or releasing from a compressed fluid, toward an inner part of the passage, thereby closing an inner smaller diameter portion. The valve plug includes a threadedly engaging member threadedly engaging a portion of the passage located nearer to the open end side than the smaller diameter portion, and a turn head turnably connected to an end of the threadedly engaging member and having a distal end inserted into the smaller diameter portion so as to adhere closely to an open edge of the smaller diameter portion.
    Type: Grant
    Filed: February 26, 2004
    Date of Patent: December 12, 2006
    Assignee: Pacific Industrial Co., Ltd.
    Inventor: Katsuji Ohno
  • Valve plug and valve provided therewith
    Publication number: 20040261437
    Abstract: A valve plug is threadedly engaged with a valve stem so as to be inserted from an open end of a passage for charging with and/or releasing from a compressed fluid, toward an inner part of the passage, thereby closing an inner smaller diameter portion. The valve plug includes a threadedly engaging member threadedly engaging a portion of the passage located nearer to the open end side than the smaller diameter portion, and a turn head turnably connected to an end of the threadedly engaging member and having a distal end inserted into the smaller diameter portion so as to adhere closely to an open edge of the smaller diameter portion.
    Type: Application
    Filed: February 26, 2004
    Publication date: December 30, 2004
    Applicant: Pacific Industrial Co., Ltd.
    Inventor: Katsuji Ohno