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| Number | Title | Issue Date |
| 8397319 | Add-on flush control mechanism to provide water conservation A water-saving flush valve control mechanism is formed as a single unit that can easily be retrofitted onto existing toilet architectures with only one fixed attachment point. Water usage is reduced by providing the user full control in opening and closing the buoya... | 03/19/2013 |
| 8296871 | Toilet water tank refilling system The toilet water tank refilling system includes an inlet pipe adapted for installation within the toilet water tank and adapted for connection to a water supply, a valve connected to the pipe, a float operably connected to the valve to open the valve when the water ... | 10/30/2012 |
| 8104105 | Toilet fill valve with adjustable bowl fill flow A toilet fill valve, toilet, and associated methods are provided with an adjustable bowl fill flow. In one embodiment, a toilet fill valve includes a water inlet and a first water outlet configured to supply water to a toilet tank. A bowl fill outlet port extends fr... | 01/31/2012 |
| 8087107 | Dual flush valve refill A dual flush valve is provided for refilling fluid in a toilet bowl. The dual flush valve includes a refill mechanism configured to refill the toilet bowl with a substantially same volume of refill fluid for both a full flush and a half flush, a first valve connecte... | 01/03/2012 |
| 8069503 | Water refilling device for water saving toilets A quantitative refill device is mounted on the top end of an overflow pipe in a water tank of a water saving toilet and comprises a first pipe, a second pipe and a float device. The second pipe defines a second chamber. Initially, water flows to the overflow pipe to... | 12/06/2011 |
| 7743436 | Toilet fill valve with adjustable bowl fill flow A toilet fill valve, toilet, and associated methods are provided with an adjustable bowl fill flow. In one embodiment, a toilet fill valve includes a water inlet and a first water outlet configured to supply water to a toilet tank. A bowl fill outlet port extends fr... | 06/29/2010 |
| 7650652 | Toilet bowl water level indication Disclosed is a toilet bowl water level gauge and associated methods. In one embodiment, the toilet bowl water level gauge comprises a gauge assembly having a stem with a float, and a sleeve, wherein the stem is inserted in the sleeve and slides through the sleeve. A... | 01/26/2010 |
| 7434275 | Apparatus for selectively preventing flushing of a toilet Apparatus for selectively preventing flushing of a toilet includes a flush handle mounted on the tank of the toilet and structure in the tank interior for engaging a float of the water inlet valve control assembly of the toilet when the flush handle is actuated. A l... | 10/14/2008 |
| 7380293 | Safety valve for toilet tank A filling system for a toilet tank prevents continual flow to the tank in the event of a leak from the tank by providing a hydraulically actuated safety valve for halting water flow to the filling valve in the event that the water flow continues for a time longer th... | 06/03/2008 |
| 7376984 | Toilet refill bypass diverter A flow diverter accepts a stream of water from a conventional toilet valve and diverts a portion of the flow into the toilet tank, outside the overflow tube. In a first, more rudimentary embodiment of the invention, a flow diverter accepts flow from the toilet tank ... | 05/27/2008 |
| 7363662 | STOPRZ Many times when a home sewage line becomes clogged it results in overflow of the matter in the toilet bowl onto the floor. It is a difficult matter at the time to easily and immediately stop overflowing from occurring. STOPRZ solves this problem. If the affluent in ... | 04/29/2008 |
| 7334272 | Flushing controlling mechanism A flushing controlling mechanism includes a toilet bowl having a trap, a room, a hollow cylinder, a first piston, an inlet, an outlet and a first opening. The room selectively communicates with the trap via a first waste pipe, and a second waste pipe alternately com... | 02/26/2008 |
| 7219375 | Toilet flushing arrangement A flushing arrangement (30) including an opened topped housing (32) surrounding the flush valve (12). An opening (40) is provided in a lower part of the housing (32) with a selectively openable gate (44). The arrangement ( | 05/22/2007 |
| 7171702 | Toilet tank fill valve and method of operation A metered water control system inlet tube (24) receiving water conducting water into the interior of the tank to a diverter. A diverter (48) channels the flow to cause mechanical motion responsive to the channeled flow. A control valve (66 and | 02/06/2007 |
| 7161492 | Mechanical self-cleaning probe via a jiggler A device, having a container for holding a fluid moving therein and a conductance probe installed therein for providing a conductance signal indicating whether it is in contact with the fluid, features a jiggler arrangement having a jiggler arranged on the conductan... | 01/09/2007 |
| 7155752 | Toilet overflow control mechanism A control mechanism for preventing overflow of a toilet including a bowl, a water tank, and a filler float operatively communicating with a filler valve includes a knob or handle that can be manipulated to cause the filler float to occupy a position that shuts off t... | 01/02/2007 |
| 7082827 | Leak detector An example of an apparatus for detecting the lowering of a top surface of a liquid includes a housing that has a housing hole, and an insertion member attached to the housing. A dowel is inserted into the housing hole, and a float is attached to the dowel. A detecto... | 08/01/2006 |
| 7047574 | System and method for automatically varying a volume of a liquid held by a toilet receptacle A toilet system comprises a liquid receptacle and a control element. The control element configured to automatically control an amount of liquid input to the liquid receptacle for each of a plurality of flushes of the liquid receptacle such that an amount of the liq... | 05/23/2006 |
| 6962163 | Dual-float snap-action flush valve A liquid level control apparatus for a flush tank includes a valve mechanism communicating with a fill tube and operable between open and closed conditions, two floats, at least one of which is coupled to the valve mechanism for closing it when the at least one floa... | 11/08/2005 |
| 6910232 | Toilet tank valve A toilet tank flushing system including a ballcock valve for maintaining a storage level of water in the tank, a tank valve to release stored water on demand, and a linkage system which requires a reduced physical effort to initiate flushing. A hollow, open-ended cl... | 06/28/2005 |
| 6848469 | Adjustable valve for a toilet The present invention relates to an adjustable valve for a toilet in which the valve remains in a lower setting unless it is activated by the user to a higher setting and automatically returns to the lower setting after flushing the toilet. The amount of water used ... | 02/01/2005 |
| 6823889 | Toilet fill valve with adjustable bowl fill flow A toilet fill valve and methods are provided. In one embodiment, the toilet fill valve includes a water inlet and a first water outlet configured to supply water to a toilet tank. The toilet fill valve further includes a bowl fill valve having a bowl fill valve inle... | 11/30/2004 |
| 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 |
| 6802084 | Tank leak detection and reporting system A leak detection and reporting system for detecting and reporting different types of leaks. Different alarms are activated in response to different types of leaks. The present invention includes a timing module and a water flow sensor. The timing module measures a s... | 10/12/2004 |
| 6775859 | Dual flush toilet A dual flush toilet includes a handle pivotally mounted to a tank. A water outlet fluidly coupled to the tank has an upper edge defining a primary opening. An overflow tube is fluidly coupled to the water outlet. The overflow tube has a break therein such that a fir... | 08/17/2004 |
| 6715162 | Toilet assembly A toilet includes a toilet bowl assembly having a toilet bowl and a trapway extending from the bottom of the toilet bowl to a sewage line. The toilet bowl has a rim channel provided along an upper perimeter portion thereof. In this toilet, the flush water flows thro... | 04/06/2004 |
| 6675398 | Diverter for use with tank valves to direct flow to tank or rim A diverter valve for selectively passing water from a ballcock valve directly to a water storage tank or to the rim of a toilet. It includes a diverter plunger which places a deflector into the path of water from the ballcock, and a float which removes th... | 01/13/2004 |
| 6643855 | Device for controlling the discharging amount of the flush water from a toilet tank A device for controlling the discharging amount of the flush water from toilet tank includes a U-shaped member secured to a lateral wall in the tank and close on two lateral sides by a pair of U-shaped plates, a large rotor, an eccentric wheel and a small... | 11/11/2003 |
| 6581216 | Commode shutoff device A commode shutoff device having a diverter housing, diverter valve within diverter housing, diverter arm, a means for actuating the diverter arm, support bracket, and an alternate water line is disclosed. Water is redirected from the overflow water line t... | 06/24/2003 |
| 6427719 | Hydromagnetic valve for toilets Hydromagnetic Toilet Valve, constituted by a body, a magnet cluster, an assembly consisting of shaft with a closing gasket and a floater to open and close the valve; it uses three forces: magnetic, exerted by the floater with the tank's water level and th... | 08/06/2002 |
| 6385788 | Water diverter/saver for toilet tanks An adjustable diverter device situated in a water tank regulates the water level in the tank. The water enters the device at one end and a flow exits through a first vent into the tank. A second vent is located at the opposite end with an adjustment valve... | 05/14/2002 |
| 6381765 | Dual-mode flushing control mechanism for ballfloat toilet A control mechanism for a toilet is constructed to include a valve seat, an overflow tube, and a tank ball assembly pivoted to the overflow tube and adapted to close/open the valve seat. The tank ball assembly includes a holder base pivoted to the overflo... | 05/07/2002 |
| 6370708 | Toilet tank anti-refill device A combination of a toilet and an anti refill device, the toilet comprises a bowl, a tank connected to the bowl for storing water and to supply the stored water to the bowl, a flushing structure which releases water from the tank into the bowl, a supply va... | 04/16/2002 |
| 6343387 | Volume control for a water closet A removable volume control apparatus 140 for a pressurized water closet 10 comprises a generally right circular cylindrical 150 insert open at both ends having a plurality of slots 154 in the bottom edge 152 thereof. A flange 142 depending from an annular... | 02/05/2002 |
| 6279176 | Low water toilet A low volume high-pressure toilet. When the user sits on the toilet seat, a hydraulic piston pressurizes the water tank, which optimally holds 1.7 liters of water. Water is released at high pressure through the toilet interior rim and a lower waterjet, fo... | 08/28/2001 |
| 6256801 | Siphon assemblies A siphon assembly for a flushing cistern, said assembly including an inverted generally U shaped duct having an up leg and a down leg the up leg being provided with an enlarged chamber having a lower end open to the interior of the cistern in use and the ... | 07/10/2001 |
| 6247192 | Economizer device for toilet tank The invention concerns an economiser device for toilet tank comprising a plurality of stacked and ballasted base units (1), said base units (1) including a substantially prismatic hollow shape having, in operative position, an open top surface, the latera... | 06/19/2001 |
| 6243886 | Water displacement device A water displacement device for water storage vessels such as toilet tanks, the device comprising a perforated plastics bag including a super-absorbent polymer in granular form which, when wetted, expands to up to two hundred times its pre-absorption volu... | 06/12/2001 |
| 6219856 | Flow restrictor for water closet refill tube An externally threaded thermoplastic flow restriction member is threaded into the internal bore of a toilet bowl thermoplastic refill tube in interference fit with the tube bore. The restriction member has a bore which is sized to restrict the flow of toi... | 04/24/2001 |
| 6212699 | Cabinet water saver A device for use in a water cabinet possessing a valve which stays open until the reservoir is empty. An auxiliary reservoir (20) without bottom is placed within the main reservoir. At the base (27) is a slit opening permitting liquid communication from t... | 04/10/2001 |
