Patents Assigned to Hakusu Tech Co., Ltd.
  • High-pressure reciprocating pumps
    Patent number: 6171070
    Abstract: A high-pressure reciprocating pump is constructed such that a plurality of plungers connected to a driver are made to move back and forth and intake channels or discharge channels are opened and closed by valves in synchronism with movements of the plungers for transferring a fluid under high pressure.
    Type: Grant
    Filed: May 7, 1998
    Date of Patent: January 9, 2001
    Assignee: Hakusu Tech Co., Ltd.
    Inventor: Kazutoshi Mitake