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| Number | Title | Issue Date |
| 4557000 | Toilet-tank discharge valve A toilet-tank discharge valve has a main-valve body that can be lifted off of its face, by release-activating an auxiliary valve with an activating mechanism, as a consequence of negative water balance in an associated discharge compartment. A supplementa... | 12/10/1985 |
| 4486906 | Water-saving flush valve A flush valve assembly for use in the water storage tank of a toilet, the closing speed of which can be controlled and adjusted to seal the storage tank as soon as the trap in the toilet bowl has been refilled, thereby preventing water loss from an overfi... | 12/11/1984 |
| 4471499 | Cistern flush valve assembly A self-contained replacement flush valve assembly has an annular valve seat member which is sealed to the original valve seat by an elastomeric sealing ring, the valve seat member being clamped in position by a toggle assembly mounted on a screw carried b... | 09/18/1984 |
| 4454614 | Valve arrangement for water toilets A water toilet has a valve arrangement of the integrated type, i.e. the float and all valves form a unit which in its mounted position is connected to the outlet pipe of the flush water container. According to the invention the unit is loosely connected t... | 06/19/1984 |
| 4433446 | Flush valve attachment system A flush valve connectable to a wall of a toilet tank is disclosed. In one embodiment, there is a non-circular outlet formed in the bottom wall of the tank. There is also a resilient seal bearing against an upper surface of the bottom wall, the seal surrou... | 02/28/1984 |
| 4385406 | Water closet valve An improved water closet valve is provided having two separate and distinct circular sealing rings interposed between the valve bulb and the conical opening which constitutes the valve seat. Both sealing rings may be secured to the bulb; both may be secur... | 05/31/1983 |
| 4376315 | Vacuum flush valve A flexible valve element in the form of a flexible diaphragm movable between open and closed positions for opening or closing the drain. By operation of a control pressure chamber formed over the outer or exterior side of the diaphragm and which operates ... | 03/15/1983 |
| 4371992 | Water feeder conservation tank A water tank located above a conventional toilet tank so as to flow water downward into the toilet tank; the water tank including a drain pipe downward into the toilet tank, a hinged cover on top, and a mechanism to flow the water outward therefrom into t... | 02/08/1983 |
| 4365364 | Toilet flush control using a hollow crown instant close flapper valve A demand type flush tank control for saving water by the utilization of a water release valve of the flapper type in the water storage tank of a toilet, with such flapper valve being non-buoyant such that it will close off the flow of water from the tank ... | 12/28/1982 |
| 4365365 | Flush valve and means for mounting the same A flush valve adapted to be mounted to the bottom of a tank. The flush valve has a body with a drain conduit and an opening which can be opened and closed by a movable plug. The body has an internal thread in the drain conduit. A mounting seal has a flang... | 12/28/1982 |
| 4357720 | Flush valve mounting for toilets A flush valve mounting permitting adjustment of water flow to the requirements of different types of toilet bowl comprises a housing in which a float container with a float therein is removably emplaced. The lower portion of the housing has window apertur... | 11/09/1982 |
| 4342328 | Two stage float valve A normally-open two stage float valve for use with a suction tube leading om a vehicle fuel tank. As the fuel tank begins to run dry it is desired that the float valve close off the tank to the suction force. The valve of this invention includes a float-o... | 08/03/1982 |
| 4338689 | Self-aligning valve assembly A self-aligning valve assembly and a valve plug therefor includes an elastomeric valve plug having an annular outer sealing portion with an annular sealing surface for sealing a drain hole valve seating of a receptacle. A central mounting portion is secur... | 07/13/1982 |
| 4293964 | Design for flush tank control using non-buoyant flapper valve A demand type flush tank control for saving water by the utilization of a water release valve of the flapper type in the water storage tank of a toilet, with such flapper valve being non-buoyant such that it will close off the flow of water from the tank ... | 10/13/1981 |
| 4196482 | Toilet tanks A water tank is disclosed suitable for connection to the bowl of a toilet device, the tank being provided with a flush valve actuated from the top end by an actuating device; an inlet valve of the up-closing type, connected to the water supply system; buo... | 04/08/1980 |
| 4185339 | Water closet tank and inclined outlet valve ball element support therefor A flush tank is provided including a lower outlet opening and internal structure for guided movement of a free spherical buoyant valve ball into seated position in the outlet opening of the tank after the flush water has been drained therefrom. The tank i... | 01/29/1980 |
| 4183107 | Variable flush toilet valve mechanism A simplified low-cost water conservation valving device comprising a novel improved combination of three easily assembled components which provides an effective means for flushing a toilet. Selectively operative to release, as desired, a predetermined min... | 01/15/1980 |
| 4176821 | Pilot-operated valve assembly A valve assembly for evacuation of liquids from vessels of the type having a bottom wall provided with an outlet opening has a buoyant piston which forms part of a main valve and is movable to and from a closed position in which a sealing ring of the pist... | 12/04/1979 |
| 4175296 | Variable control for toilet flush tanks For use in a toilet flush tank having a flush discharge opening at the bottom which is normally closed by a discharge valve having an air chamber therein, an attachment including an air passage for venting the air chamber and a water level responsive valv... | 11/27/1979 |
| 4120056 | Flush toilet accessory This invention provides a flush regulator for use in a toilet flush tank, in order to regulate the outflow through the outlet pipe in such a way that less water is used per flush than normally is the case. The regulator includes a gripping means for attac... | 10/17/1978 |
| 4115880 | Flush valve control assembly A control system for a toilet flush valve includes an automatically controlled vent valve for controlling the venting of the flush valve to provide a long flush or a short flush controlled by a combination of the toilet flush handle and a float controlled... | 09/26/1978 |
| 4110849 | Apparatus and method for conserving water An apparatus and method for conserving water during the flush cycle of a tank-type toilet. The apparatus includes a pivotally mounted lever arm having a water-fillable weight on one end and a toilet tank float engagement means on the other end. The water-... | 09/05/1978 |
| 4106136 | Toilet flush flow accelerator A device usable in a toilet flush tank having a bottom wall opening comprises: (a) a tubular body adjustably located in drain communication with said opening and having an inlet spaced above the level of said opening so that only tank water above the leve... | 08/15/1978 |
| 4017913 | Self-aligning valve assembly A valve assembly for use on the inside of an enclosed water receptacle or toilet. The valve assembly incorporates a circular valve plug with spherical seating surface to close a drain hole from the inside of the waste receptacle. A helical spring and tele... | 04/19/1977 |
| 4009497 | Water saving panel device for water closets A pair of flexible or extensible panel members are adapted for vertical placement in the base of a conventional water closet flush tank in spaced relationship about the outlet valve such that edge portions of the panel members are in sealing contact with ... | 03/01/1977 |
| 4002521 | Method of forming, mounting and using flush valves for flush tanks and the like A valve seat of an integrated valve seat and closure member assembly is secured by waterproof sealant over the upper end of a flush valve seat portion in a flush tank, the waterproof sealant preferably constituting the sole support for the integrated asse... | 01/11/1977 |
| 3958280 | Flushing valve An improved flushing valve for inter-connecting a water closet with a waste dispensing bowl for preventing overflow in the event of a line stoppage. The valve is opened in the ordinary manner and held open by the action of fluid flowing through the valve ... | 05/25/1976 |
