Patents Assigned to WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO.
  • Connecting construction of branch pipe and connecting method thereof
    Patent number: 5924436
    Abstract: A connecting construction of a branch pipe is disclosed.
    Type: Grant
    Filed: April 6, 1998
    Date of Patent: July 20, 1999
    Assignee: Waterworks Technology Development Organization Co., Ltd.
    Inventors: Kenji Kitani, Shintaro Suzuki, Kosuke Sakai