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| Number | Title | Issue Date |
| 7415736 | EcoBeta A flush regulator for retrofit use in a toilet tank for regulating the outflow therefrom through an outlet, said regulator including a flap valve without buoyancy, said flap valve adapted to close said outlet, a rod connected at one end to said flap valve and a body... | 08/26/2008 |
| 7222375 | Tank ball assembly for toilet A tank ball assembly is disclosed to include a cover stopper mounted with a gasket for closing the drain port of the tank of a toilet, a tank ball coupled to an upright short tubular flange of the cover stopper and rotatable on the upright short tubular flange to ad... | 05/29/2007 |
| 7216373 | Toilet tank valve seat structure A toilet tank valve seat structure mainly includes a body and an overflow tube located on one side of the body. The overflow tube consists of an inner tube and an outer tube. The inner tube has a gear rack on one side to couple with a hook located on one end of the ... | 05/15/2007 |
| 7185374 | Discharge valve comprising a flexible ringed tube for toilets A discharge valve for toilet tanks comprising a flexible ringed hose held by a couple covering a center hole of the toilet tank and a handle connecting to a wire wrapping around an upper part of the flexible ringed hose. The wire connected to the handle bends and su... | 03/06/2007 |
| 6810902 | Automatic water shut off system to prevent overflow of a plumbing device A control circuit for a plumbing device that has a drain line and a water supply line includes a water sensor generating a potential overflow level signal in response to the water level in the plumbing device caused from a restricted drain line, an electrically cont... | 11/02/2004 |
| 6381764 | Toilet tank flush valve for partial or full flush A flush tank has a tube fitted to a downwardly open outlet and having an upper end vertically displaceable in the tank. A float fixed to the tube can switch between a low buoyancy insufficient to hold the tube upper end above the liquid level and a high b... | 05/07/2002 |
| 6237164 | Toilet tank assembly A toilet supply tank assembly having high performance flush characteristics is designed to maximize water pressure over the flush valve and to minimize fluid turbulence within the tank during a flush cycle. The tank includes a bottom interior surface whic... | 05/29/2001 |
| 6199221 | Flush valve A flush tank having a downwardly open outlet and a valve for filling the tank with a liquid has a flush valve having a tube fitted to the outlet and having an upper end vertically displaceable in the tank. A float fixed to the tube upper tube end has a bu... | 03/13/2001 |
| 6151725 | Hygienic toilet tank A toilet tank capable of use in combination with a toilet or commode to allow improved flushing operations. The toilet tank comprises a smooth inner surface and a formed bottom portion defining a tank evacuation hole at a base of the conical portion. A fl... | 11/28/2000 |
| 6112763 | Valves There is described a valve arrangement which in one form is an inlet valve (60) or in another form is a dual flush valve (2). The valves may be used in a variety of situations but find particular application in a cistern for providing water to flush a toi... | 09/05/2000 |
| 5966749 | Adjustable flush valve A pivotable toilet flush valve member (10) is provided, of the type that includes a float (40) with a pair of holes (44, 52) that allow the float to fill with water during a flushing to close early, and where the float can be turned to vary the amount of ... | 10/19/1999 |
| 5848442 | Flush valve attachment system A flush valve is connectable to a vertical wall of a toilet tank. An overflow tubular member is in fluid communication with the flush valve housing and there are clip members mounted on the overflow member for connection with a flapper valve. In a preferr... | 12/15/1998 |
| 5494001 | Canine lavatory facility A canine lavatory of modular construction for effective toilet training and continued use. A suitable site is selected and the dog is trained to relieve itself at-the site (typical training for a dog) and the lavatory enclosure is gradually built therearo... | 02/27/1996 |
| 5333332 | Dual flush system A selective volume flush apparatus (10) for use in a cistern contains two valves, a first valve (12) with an outlet opening into the discharge outlet of the cistern and an open end configured to sealingly engage a first valve seal (18). The valve seal (18... | 08/02/1994 |
| 5205000 | Dual water-level toilet flushing apparatus A dual water-level toilet flushing apparatus (10) that allows a toilet user to easily and quickly select either a partial or a full toilet flush. The partial flush which is normally preset is recommended for flushing liquid waste while the full flush is r... | 04/27/1993 |
| 5182819 | Universal commode stopper A kit that includes a universal flapper and water saver valve stop for the fluid outlet of sanitary flush tanks utilizing a flat, thin, doughnut shaped gasket mounted on alternate supports, wherein the use of one support allows the doughnut shaped gasket ... | 02/02/1993 |
| 5040247 | Water closet metering device A float has a bore which slidably embraces the overflow tube in a toilet tank. The float carries a valve actuator therebelow with structure which permits adjustment of the downward position of the valve actuator. The float and/or valve actuator may be non... | 08/20/1991 |
| 5031250 | Mechanism for filling and discharging a toilet water tank The mechanism comprises an inlet valve assembly which admits water into a toilet tank under the control of a valve plug mounted on the end of a vertical axle having a float on its upper end. The valve plug is unseated, to admit water, when the axle is til... | 07/16/1991 |
| 4928327 | Device for reducing rinsing water consumption A device for the reduction of water use in a WC water tank comprises a closing element which opens and closes an outlet opening of the tank and is formed as a buoyant member. The device ensures a various rationing of water discharged from the tank by a ri... | 05/29/1990 |
| 4872473 | Dual float valve control for regular and douglas type valve A reversible buoyant and non-buoyant flush tank valve is adapted for use in various types of flush tanks each having different selective valve operating attachments for moving the valve. The valve for use in one type of tank includes an elongated base wit... | 10/10/1989 |
| 4842011 | Flushing means An improved flushing means is disclosed for use in water tanks such as are for flushing toilets. The flushing means has a water inlet with an improved two-stage valve using inlet line pressure for operating the two stages. A float is movably mounted on th... | 06/27/1989 |
| 4841579 | Flush valve with snap-on flapper A rigid flapper type valve having a backing plate has been provided with a valve seal in the form of a flexible disc mounted to the bottom of the flapper valve. During sealing the disc will flex to contact the backing plate. A vent hole is provided in the... | 06/27/1989 |
| 4683908 | Eccentric float apparatus The float is employed for controlling the valve of a water tank of a toilet for regulating the water level. The float has a solid core with wall structure extending therefrom forming a sealed chamber located on one side of the core. An aperture extends th... | 08/04/1987 |
| 4656677 | Water-closet valve Savings in water consumption are obtained and problems with leakage are avoided by using a water-closet valve which is made of flexible air- and water-tight material and has not only a generally frustoconical seat-engaging portion provided with a pair of ... | 04/14/1987 |
| 4601071 | Flush system A flushing system for rapidly delivering a given volume of water supplied to an accumulating chamber (5) from an automatically or manually operated valve (6) has a float-controlled discharge valve (19) which is arranged to be opened when said given volume... | 07/22/1986 |
| 4527296 | Selective-flush cistern A sanitary pan flush cistern which includes structure to permit full-flush or partial flush as required. The cistern is a conventional lidded container housing usual outlet valve on a valve-rod, a press-button in the lid to open the valve and a float-cont... | 07/09/1985 |
| 4497076 | Dual flush system for controlling flush water in water closet The invention is an improved, adjustable ball valve closure for use in a dual flush water closet which allows the choice of a regular flush or a water saving flush. The adjustable closure is the type having a buoyancy chamber with a relatively lower drain... | 02/05/1985 |
| 4467482 | Float valve assembly A float valve assembly for a water closet that has perfect seating control. The float valve can only move in an up and down direction and cannot move sideways. The float valve assembly has a float member that forms a valve which cooperates with a valve se... | 08/28/1984 |
| 4419773 | Adjustable tank discharge valve for controlling flush water volume A discharge valve closure of the type which has a bleeder port to permit the conservation of water by causing the closure to shut the discharge valve prior to the draining of all water from the water tank. The discharge valve closure features an adjustmen... | 12/13/1983 |
| 4411029 | Control device for the water tank of a flush toilet A controlling device for the water-tank of a flush toilet comprising two handles on the water-tank whereby a high or low level is optionally determined, and whose controlling elements are all fitted to the handle assemblies and are independent of a hydrau... | 10/25/1983 |
| 4388736 | Tank flushing means An improvement is described for a tank type toilet flushing system. A positive coupling is provided between the flushing handle and the tank emptying flushing valve including a rigid flush control rod. This permits the flush to be terminated at will and b... | 06/21/1983 |
| 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 |
| 4266304 | Flush tank water saver A water-saving device for use in flush toilets including a water tank in which the water level is held at a predetermined level by a float valve controlled by a ball float, said water-saving device comprising a bouyant unitary member comprised of a tapere... | 05/12/1981 |
| 4229846 | Water-saving float-to-inlet valve adapter device A water-saving float-to-inlet valve adapter device or modifier which may comprise original equipment or a replacement for a conventional substantially transversely directed attachment arm conventionally provided and connecting a buoyant float and an inlet... | 10/28/1980 |
| 4189795 | Toilet flush valve An improved ball valve for toilet flush tanks for regulating the quantity of water released from a tank in a flush includes a gauged or adjustable water inlet hole at the bottom of the ball valve and an air bleed hole at the top of the ball valve. The wat... | 02/26/1980 |
| 4080986 | Ball cock float having improved anti-noise structure An essentially closed hollow body of the float receives liquid in a lower portion for ballast and air in an upper portion for floatation with a vertical guide sleeve therethrough being offset at one side of the hollow interior slightly spaced inwardly of ... | 03/28/1978 |
| 3996629 | Demand type flush tank control A demand type flush tank control for saving water by controlling and limiting the motion of the water release valve of the water storage tank of a toilet, such that the water release valve can be moved only a sufficient distance to bring about the amount ... | 12/14/1976 |
| 3958281 | Toilet tank flush valve A toilet tank flush valve having a primary valve element for sealing the tank outlet opening and a secondary valve mounted therein. The secondary valve has a valve seat mounted on the primary valve and a movable valve element which couples the primary val... | 05/25/1976 |
