Patents by Inventor Abraham I. Tucker

Abraham I. Tucker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Anti-siphon control valve
    Patent number: 4553560
    Abstract: An on/off valve, preferably of the ball type, with an anti-siphon feature. The valve has concentric opposite direction flow with open structured support elements to maintain the inlet tube properly positioned within the elongated housing. A cup-shaped poppet-type float valve prevents fluid from spraying out of air vents upon opening of the ball valve. The control valve is particularly adapted for indoor use.
    Type: Grant
    Filed: June 14, 1983
    Date of Patent: November 19, 1985
    Assignee: Wastemate Corporation
    Inventors: Abraham I. Tucker, Leonard G. Spelber
  • 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