Patents Assigned to Studor Trading Ltd.
  • Vacuum breaker vent valve packaging and installation system
    Patent number: 5836345
    Abstract: A vacuum breaker vent valve is disclosed along with a coupler device and the packaging designed to enclose the valve and the coupler device. As packaged, the valve stem is received within the coupler device and the packaging, in two halves, is fastened above and below the valve and coupler device to enclose them. In use, the coupler device is inverted and attached to a sanitary system pipe and the valve is coupled on the coupler device. The packaging halves are assembled over the valve to provide protection.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: November 17, 1998
    Assignee: Studor Trading Ltd.
    Inventor: Kurt S. B. Ericson
  • Vacuum breaker vent valve packaging and installation system
    Patent number: 5725099
    Abstract: A vacuum breaker vent valve is disclosed along with a coupler device and the packaging designed to enclose the valve and the coupler device. As packaged, the valve stem is received within the coupler device and the packaging, in two halves, is fastened above and below the valve and coupler device to enclose them. In use, the coupler device is inverted and attached to a sanitary system pipe and the valve is coupled on the coupler device. The packaging halves are assembled over the valve to provide protection.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: March 10, 1998
    Assignee: Studor Trading Ltd.
    Inventor: Kurt S. B. Ericson