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| Number | Title | Issue Date |
| 7805778 | Stool flushing device having control switch and locking assembly A stool flushing device having a control switch and a locking assembly comprises: a casing having a receiving space therein; the casing having an inlet which can be connected to a water source; the inlet being communicated to the receiving space; the casing having a... | 10/05/2010 |
| 7415737 | Automatic flusher for tank-type toilet An automatic flushing system is equipped with a buoyancy mechanism to unseat a valve set in a tank of a toilet. The automatic flushing system, equipped with battery power, includes sets of sensing, actuating, latching, buoyancy, unseat/seat and valve members. The ba... | 08/26/2008 |
| 7325781 | Automatic bathroom flushers with modular design A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 02/05/2008 |
| 7322054 | Automatic toilet flushing system and method A toilet (10) having an automatic flush assembly (50) includes a toilet bowl (14), a water holding tank (12) for supplying water to the toilet bowl (14), and a flush valve (22). The holding tank (12) supplies water to... | 01/29/2008 |
| 7188822 | Enclosures for automatic bathroom flushers A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 03/13/2007 |
| 7156363 | Bathroom flushers with novel sensors and controllers A bathroom flusher (10) includes a body having an inlet (12) in communication with a supply line and an outlet (16) in communication with a flush conduit, a valve assembly in the body positioned to close water flow between the inlet and the outl... | 01/02/2007 |
| 7140050 | Automatic flushing actuator for tank style toilet An automatic flushing actuator that mounts to an overflow pipe in a tank style toilet includes a proximity sensor, a housing enclosing a motor mount and gear assembly, and a rotatably mounted lever on top of the housing. A clamp is adapted to be affixed to the side ... | 11/28/2006 |
| 7082624 | Water-separating apparatus for toilet tank A water-separating apparatus for toilet tank bridges a toilet tank and a water supply includes a concentric tube, a distributing tube and a solenoid valve. The concentric tube has a large tube containing a small tube, and an inlet connecting to the water supply and ... | 08/01/2006 |
| 7069604 | Tankless western-style flush toilet The present invention provides an open/close valve which contributes the stabilization of the operation responsibility. A housing has a water-in port and a water-out port. Furthermore, a piston which is slidably mounted in the housing in an axial direction by means ... | 07/04/2006 |
| 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 |
| 7032257 | Flush tank having electromagnetic controler A flush tank includes an outlet pipe attached to a receptacle for discharging water, a float disposed close to the outlet pipe to selectively block the outlet pipe, and to control an outward flowing of the water through the outlet pipe. A magnetically forcing device... | 04/25/2006 |
| 7032256 | Tank toilet with autoflusher An arrangement for flushing a toilet of the type that comprises a toilet bowl and a toilet tank. In one embodiment, the arrangement comprises a handle assembly comprising a manually actuatable handle that provides a flush signal to the flush valve flapper lifting as... | 04/25/2006 |
| 7028347 | Digital electronic volume/flow control sensor toilet A digital electronic volume/flow control sensor toilet includes a bowl, a water storage tank interconnected with the bowl, and a digital electronic volume/flow control sensor flushing mechanism. The flushing mechanism has components including a volume sensor, a shut... | 04/18/2006 |
| 6934976 | Toilet flusher with novel valves and controls A tank-type flusher includes an intake valve, i.e., a fill valve, a diaphragm-operated flush valve, and a pressure control mechanism. The intake valve is connected to an external water source and is constructed to close water flow to a water storage tank at about a ... | 08/30/2005 |
| 6877170 | Toilet control system A toilet water measuring and flow control system, including leak and overflow detection and prevention elements. The system has inlet and outlet flow sensors operably connected to inlet and outlet control valves and to water level sensors to measure and control wate... | 04/12/2005 |
| 6805330 | Flush-mount retrofit fluid control switch The present invention is a fluid control switch which includes an adapter element for engagement with a switch housing assembly in a fluid control system. The switch housing assembly has a switch orifice surrounded by a switch orifice rim. The adapter element also i... | 10/19/2004 |
| 6757919 | Automatically operated handle-type flush valve A flush valve includes a valve body having a valve for controlling flow between an inlet and outlet. A manual operator assembly includes a nut attached to the valve body. An adapter mounted in the nut has a plunger pin movable to initiate operation of the flush valv... | 07/06/2004 |
| 6618864 | Automatic flushing and seat raising arrangements for toilets Automatic flushing, lid raising and seat raising arrangements for toilets include a tank top having optical sensors integral therewith so that standard flush tanks and tops may be used with only the tops being slightly altered to accommodate the optical s... | 09/16/2003 |
| 6568655 | Radar devices for low power applications and bathroom fixtures A fluid flow device includes an actuator, an RF transmitter, a gated RF receiver, and a processor. The RF transmitter is configured and arranged to produce a plurality of pulses of RF energy spaced apart in time to form a sensor field. The gated RF receiv... | 05/27/2003 |
| 6536053 | Flush control apparatus An apparatus for flushing a WC bowl, the apparatus allowing reflushing of the bowl soon after the first flushing without filling the water tank to the maximum volume determined by an electric sensor. The movement of a piston part (4) located in a chamber ... | 03/25/2003 |
| 6349921 | Institutional flush valve operating system A toilet room flush valve for use in connection with urinals or water closets includes a body having a water inlet and a water outlet. There is a valve seat in the body between the inlet and outlet and a valve member is movable toward and away from the va... | 02/26/2002 |
| 6237165 | Electromagnetic control device for flush tank An electromagnetic control device for controlling a flush valve of a flush tank includes a housing, a lever pivotally coupled to the housing to actuate the flush valve. A casing is secured in the housing for slidably receiving an armature which is coupled... | 05/29/2001 |
| 6212697 | Automatic flusher with bi-modal sensitivity pattern In an automated flush system (10), a control circuit (12) controls a flusher (16) in response to the output of a sensor (14). The vertical sensitivity pattern (24) of the sensor (14) is angled downward. Consequently, radiation that the sensor (14) emits t... | 04/10/2001 |
| 6206340 | Radar devices for low power applications and bathroom fixtures A fluid flow device includes an actuator, an RF transmitter, a gated RF receiver, and a processor. The RF transmitter is configured and arranged to produce a plurality of pulses of RF energy spaced apart in time to form a sensor field. The gated RF receiv... | 03/27/2001 |
| 6202227 | Automatic toilet flushing system An automatic toilet flushing system for use with toilets in either commercial or private dwellings and which comprises a replaceable water tank top or tank lid carrying the major components of the automatic toilet flushing system. In this case, the toilet... | 03/20/2001 |
| 6178569 | Toilet overflow control A flow control device for a toilet to prevent flooding upon obstructing of a waste outlet of a toilet bowl. The device includes at least one sensor assembly mounted on a rim of a bowl of a toilet or urinal to hold the sensor assembly in a predetermined po... | 01/30/2001 |
| 6018827 | Push button assembly for control of plumbing fixtures in prisons and the like A controlled plumbing fixture comprises a plumbing fixture, an electromechanical valve operably associated with the fixture for regulating water flow thereto, a control operably associated with the valve for controlling operation thereof, and a push butto... | 02/01/2000 |
| 5901384 | Toilet assembly having automatic flushing system A toilet assembly having an automatic flushing system comprising a toilet bowl having a toilet cover, the toilet cover containing a window disposed therein, a water holding tank operatively associated with the toilet bowl, the holding tank containing stru... | 05/11/1999 |
| 5896591 | Toilet air freshener An air treatment device for conditioning air within a conventional toilet bowl includes an air treatment assembly and an automatic flush mechanism. The air treatment assembly includes a cylindrical housing mounted to the rear of the toilet bowl rim with t... | 04/27/1999 |
| 5432959 | System for regulating water flow in a toilet The present disclosure concerns an electro-mechanical flushing system for a residential toilet. A powered valve is controlled by a timing circuit to pass one of a plurality of water flow volumes from a toilet tank to a toilet bowl. The same system also es... | 07/18/1995 |
| 5313674 | Flushing device A flushing device for toilets has a supporting assembly and a driving mechanism. The supporting assembly supports the driving mechanism in a tank of a toilet by use of adjustable beams which span the tank and a bridge plate which connects to the beams. Th... | 05/24/1994 |
| 5313673 | Electronic flush valve arrangement A sensor for a flushing device having an electric solenoid operated flush valve. The sensor includes a control box, a first radiation emitting source mounted in the control box, a radiation detector adapted to detect reflected radiation from the first rad... | 05/24/1994 |
| 5307524 | Automatic toilet seat device An automatic toilet seat device which will cause a toilet seat to be either raised or lowered at the push of a single button and further, will automatically lower the toilet seat after the flush action of the toilet. A first switch associated with the dev... | 05/03/1994 |
| 5305792 | Used or waste water collection system for an aircraft A used or waste water collection system for an aircraft has a waste water collection pipe that connects a kitchen sink with a collecting tank through a controllable valve. The waste water is transported by reduced pressure. For this purpose, the collectin... | 04/26/1994 |
| 5228146 | Flushing device for toilet A tank toilet with a ball cock, flap valve, or other type of flush valve that is opened manually by lever operating a chain or the like is retrofitted and also made to operate electrically by installation in the tank of the toilet of a float that rides on... | 07/20/1993 |
| 5201082 | Gray water toilet system A toilet system designed to use recycled "gray water". The toilet includes a toilet reservoir positioned above a toilet bowl with a first conduit connecting the reservoir with the bowl. A sinkable sphere, which acts as a discharge valve for the reservoir,... | 04/13/1993 |
| 5187818 | Flushing system for a water closet An apparatus and method for an improved flushing system for flushing a water closet from a pressurized water line includes sensor which senses an arrival and a departure of a person within a zone proximate the water closet. A controller is connected to th... | 02/23/1993 |
| 5125621 | Flush system A replacement apparatus (50) for converting a manual flush mechanism to automatic operation includes a partition base (76) secured to a replacement cap (68) that forms two spaced-apart openings (96 and 98). A valve operator (58) is so mounted on the repla... | 06/30/1992 |
| 5060323 | Modular system for automatic operation of a water faucet A modular system for automatically controlling the operation of a water faucet comprises an electrically operable valve for installation in line of a water supply line to the faucet for controlling water flow to the faucet; a sensor for detecting the pres... | 10/29/1991 |
| 5036553 | Fully automatic toilet system A toilet includes a toilet bowl fluidically connected to a water storage tank. A control circuit is mounted on the storage tank and a water level sensor circuit is mounted on the bowl. A control panel is manually set to set the amount of water used in a f... | 08/06/1991 |
