Patents Assigned to Przedsiebiorstwo Inzynierii Srodowiska
  • Non-return valve with a ball-shaped valve body
    Patent number: 8082949
    Abstract: In the non-return valve of this invention, at its outlet there is a blade gate (1) and at least a part of the body (2) makes for a uniform cast of the valve body (3).
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: December 27, 2011
    Assignee: Przedsiebiorstwo Inzynierii Srodowiska
    Inventor: Mroslaw Szuster