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| Number | Title | Issue Date |
| RE42840 | Stool flushing device An object of the present invention is to provide a toilet cleaning device which is capable of cleaning a toilet stool by supplying cleaning water in an appropriate quantity corresponding to the state of usage by a user, which is provided with a self-diagnosis functi... | 10/18/2011 |
| 7437778 | Automatic bathroom flushers An automatic bathroom flusher includes a body having an inlet in communication with a supply line and an outlet in communication with a flush conduit, a valve assembly in the body positioned to close water flow between the inlet and the outlet upon sealing action of... | 10/21/2008 |
| 7407147 | Automatic flush actuation apparatus An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve member being moved by a flush lever for releasing the water pressure with... | 08/05/2008 |
| 7396000 | Passive sensors for automatic faucets and bathroom flushers The present invention is directed to novel optical sensors and novel methods for sensing optical radiation. The novel optical sensors and the novel optical sensing methods are used, for example, for controlling the operation of automatic faucets and flushers. The no... | 07/08/2008 |
| 7331068 | Water conserving urinal A wall mountable urinal having an ultra-low use of flush water, minimum material and a self-cleaning action. The urinal comprises an upright bowl that uses a flushing action provided by a misting water jet that is centered above the bowl and that provides a fine mis... | 02/19/2008 |
| 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 |
| 7320146 | Sensor plate for electronic flushometer An manual activation mechanism for an electronic flushometer system. A manual activation or override plate has a sensor switch directly coupled thereto and is hingedly connected to a sensor bracket. When a user presses the manual activation or override plate, the se... | 01/22/2008 |
| 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 |
| 7127749 | Infrared sensor flushing control method and plumbing fixture flushing system An infrared sensor flushing control method and the plumbing fixture flushing system. The realization of flushing with two different jets is achieved by using the infrared sensor and MCU to control the electromagnetic-controlled valves. The MCU preinstalled with thre... | 10/31/2006 |
| 7075768 | Faucet controller A controller apparatus for a faucet, for controlling the faucet using energy created by electric power generation, wherein all components used therein keep necessary performance thereof for a long period of time and wherein no components require exchange thereof unt... | 07/11/2006 |
| 7069941 | Electronic faucets for long-term operation An electronic faucet (10) mounted on a countertop (12) includes a housing, at least one fluid inlet line (24a, 24b) extending into the housing, a fluid outlet (46) from the housing, a solenoid (142, 143) for op... | 07/04/2006 |
| 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 |
| 7028977 | Automatic flush actuation apparatus An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve member being moved by a flush lever for releasing the water pressure with... | 04/18/2006 |
| 6996863 | Automatic faucet control device and control method An automatic faucet control device including an electromagnetic valve for opening and closing a flow channel of a faucet, a ray emitting device (5) for emitting infrared rays to a target to be detected, a ray receiving device (6) for receiving the infr... | 02/14/2006 |
| 6955334 | Reduced-energy-consumption actuator A valve system (10) includes a piezoelectric transducer (44) mounted on its housing (16). To change the valve's state, a microcontroller (54) causes a valve driver (58) to drive current through the actuator's coil (12) at a ... | 10/18/2005 |
| 6948194 | Stool flushing device An object of the present invention is to provide a toilet cleaning device which is capable of cleaning a toilet stool by supplying cleaning water in an appropriate quantity corresponding to the state of usage by a user, which is provided with a self-diagnosis functi... | 09/27/2005 |
| 6938280 | Lavatory with sensor A lavatory (1), in particular a toilet or urinal, with sensor-controlled flushing is proposed, which eliminates the need to exchange a battery, or at least ensures a considerably longer service life. This object is achieved by providing a solar cell (22, 2... | 09/06/2005 |
| 6923424 | Automatic flush actuation apparatus An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve member being moved by a flush lever for releasing the water pressure with... | 08/02/2005 |
| 6862754 | Dual phase flush urinal A dual-phase flush urinal that maintains itself in a sufficiently sanitary condition with minimal water consumption. The urinal includes a piece of chinaware having a rear wall with a pair of sidewalls depending normally outward therefrom. A bottom extent of the sid... | 03/08/2005 |
| 6845961 | Automatic flush actuation apparatus An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve member being moved by a flush lever for releasing the water pressure with... | 01/25/2005 |
| 6845524 | Manual and automatic flusher A manual and automatic flusher includes an infrared sensor added to a conventional manual flusher, and the infrared sensor consists of an electronic eye and an electro-magnetic valve. The electro-magnetic valve has an iron core moved in and out for controlling openi... | 01/25/2005 |
| 6840496 | Automatic flush actuation apparatus An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve member being moved by a flush lever for releasing the water pressure with... | 01/11/2005 |
| 6691979 | Adaptive object-sensing system for automatic flusher An automatic flusher employs an infrared-light-type object sensor to provide an output on the basis of which a control circuit decides whether to flush a toilet. After each pulse of transmitted radiation, the control circuit pushes a new entry onto stack ... | 02/17/2004 |
| 6671890 | Automatic water feed method in lavatory using artificial retina sensor and automatic water feed mechanism in lavatory using artificial retina sensor An automatic water feed system and method for providing control of water to lavatory appliances upon sensing a user. The system having a control valve for controlling the flow of water, an artificial retina sensor for acquiring two dimensional images of a... | 01/06/2004 |
| 6662382 | Device for automatic release of a flushing process in urinals or similar sanitary appliances The invention relates to a device for the automatic release of a flushing process after use of a urinal or similar sanitary appliance. The invention is characterized in that at least one sensor is placed in the trap. When the level of the liquid in the tr... | 12/16/2003 |
| 6598245 | Automatic water feed method in lavatory and automatic water feed mechanism in lavatory An automatic water feed mechanism and method is provided by equipping a lavatory with a two dimensional sensor array such as a camera unit for monitoring a target area that a user may enter. An infrared emitter and an infrared detector can also be activat... | 07/29/2003 |
| 6581215 | Sterilizing and air conditioning electronic urinal A sterilizing and air conditioning electronic urinal includes a power rectifier circuit, a microcomputer control unit, a sensitivity control circuit, time delay circuit, a high voltage generating circuit, an ozone generator, a mixing device, a flushing so... | 06/24/2003 |
| 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 |
| 6560790 | Flush control A high flow valve assembly and a low flow valve assembly are in parallel flow relation between an inlet and an outlet of a flush controller. The valve assemblies are opened by solenoid operated pilot valves under the control of a microprocessor based flus... | 05/13/2003 |
| 6499152 | Flush controller A high flow valve assembly and a low flow valve assembly are in parallel flow relation between an inlet and an outlet of a flush controller housing. The valve assemblies are opened by solenoid operated pilot valves under the control of a microprocessor ba... | 12/31/2002 |
| 6385796 | Self flushing urinal with integrated gaming and reward system This interactive urinal is for improving sales and provides revenue from the restroom, especially in an establishment that sells beverages. The urinal is coin vended to provide amusement and also to provide income from obligatory restroom requirements. Th... | 05/14/2002 |
| 6219857 | Sensor device for use with a flush valve A sensor device includes a mounting frame having open front and rear ends, and right and left inner side walls opposite to each other in a longitudinal direction and extending between the front and rear ends so as to define a passage. The mounting frame i... | 04/24/2001 |
| 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 |
| 6119285 | Combination, self flush, urinal and hand wash lavatory fixture A lavatory fixture having a combination, urinal and hand wash faucet for public restrooms, particularly in high traffic locations such as airports, the lavatory fixture having a urinal and hand sink combined in a single lavatory unit with a self-activated... | 09/19/2000 |
| 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 |
| 5862546 | Combination, self flush, urinal and hand wash lavatory fixture A lavatory fixture having a combination, urinal and hand wash faucet for public restrooms, particularly in high traffic locations such as airports, the lavatory fixture having a urinal and hand sink combined in a single lavatory unit with a self-activated... | 01/26/1999 |
| 5819336 | Control system for automatic control of a water rinsing system Apparatus and method for automatically controlling on-off operation of a battery-driven water rinsing system including a water supply system having electrically actuated actuation means for actuation of the water supply system to cause water flow therefro... | 10/13/1998 |
| 5680658 | Urinal flushing control device A urinal flushing control device, including a three-way pipe having a first end connected to a water intake pipe, a second end connected to a water outlet pipe through a mixing cylinder, and a third end in the middle mounted with a spring-supported ball v... | 10/28/1997 |
