Patents Assigned to Wastemate Corp.
  • Valve mechanism for a water operated waste disposal unit
    Patent number: 4399947
    Abstract: A valve mechanism for a water actuated waste disposal unit includes a reciprocating control valve for actuating an operating piston with cutters attached thereto. The control valve is cycled by a pilot valve. Passages in the valve mechanism are constructed and arranged for optimum operation and cycle time with minimum leakage.
    Type: Grant
    Filed: October 16, 1981
    Date of Patent: August 23, 1983
    Assignee: Wastemate Corp.
    Inventors: Leonard G. Spelber, Abraham I. Tucker