Class / Patent application number | Description | Number of patent applications / Date published |
004415000 | Water saver | 26 |
20080209622 | Electronic toilet tank monitor utilizing a bistable latching solenoid control circuit - A fluid control circuit system is capable of maintaining fluid within a fluid tank at a desired level using electronic sensors and control circuitry, where the control circuitry and actuators are configured for low power consumption, thus allowing operation to be powered by a self contained internal power supply. To provide appropriate fluid control, the system includes a fluid sensor indicating if fluid is at a predetermined level, control circuitry attached to the fluid sensor, a latching solenoid attached to the control circuitry and also attached to a fluid control valve, and an internal power supply to power all electrical components. | 09-04-2008 |
20090019627 | 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 connected to the refill mechanism, the first valve operates to control flow of fluid into a bowl, a fluid input is connected to a first port of the first valve, and a fluid output is connected to a second port of the first valve. The level of fluid in the bowl is refilled to a same level for both a full flush and a half flush. | 01-22-2009 |
20090165198 | APPARATUS AND METHOD TO CONTROL AND ADJUST WATER CONSUMPTION BY A TOILET DURING REFILL OF THE BOWL AND RESERVIOR - This invention relates generally to an apparatus and a method for plumbing installations and more particularly to a mechanism and use of a mechanism contained within the water tank of a household toilet which improves the water consumption efficiency of the toilet by minimizing the amount of water consumed when refilling the toilet reservoir and bowl. The mechanism can be a constriction or water limiting device, such as an adjustable valve, pinching, squeezing or similar device, positioned in line with a refill tube, and between the fill valve and the overflow tube. By adjusting the flow-rate or maximum volume of water that can pass through the refill tube, the refill time for the toilet bowl and water reservoir can be synchronized, causing the reduction or elimination of water-wasting during refilling time. | 07-02-2009 |
20090288246 | Water Conservation System - A water conservation system comprising a reservoir for storing water; a toilet water tank for storing water, the toilet water tank is disposed below the reservoir; and a tube fluidly connecting the reservoir and the tank, wherein the tube is configured such that a first end of the tube reaches near a bottom surface of the reservoir, a second end of the tube reaches near a bottom surface of the tank, and an elevated portion with a crest that is oriented above the first end. | 11-26-2009 |
20100037380 | Toilet Valve Refill Water Adjuster - A toilet bowl refill water adjuster, including: a frame; a refill tube inlet and a refill tube outlet in the frame; a pair of opposing grooves in the frame, the opposing grooves having a series of positioning detents therein; and a roller moveable along in the pair of opposing grooves, wherein the frame is dimensioned to receive a toilet bowl refill tube passing through the refill tube inlet and outlet in the frame such that movement of the roller along in the pair of opposing grooves causes the roller to move in a direction to pinch the toilet bowl refill tube and thereby restrict flow through the toilet bowl refill tube, and wherein there is a linear relationship between the position of the roller in the pair of grooves and the flow rate through the toilet bowl refill tube. | 02-18-2010 |
20100043131 | Diverter Valve with Minimum Bias Forces - A diverter valve including: an inlet port coupled to a refill tube; a first outlet port; a bowl refill tube coupled to the outlet port with its second end adjacent to a toilet tank overflow tube; a second outlet port; a central flow passageway providing a path of fluid communication between the inlet port and the first and second outlet ports, the entrance of the first outlet port and the entrance of the second outlet port being directly opposite one another in the central flow passageway; a poppet in the central flow passageway, the poppet having a raised position obstructing the first outlet port and a lowered position obstructing the second outlet port; an actuating arm, float member and rod coupled to the poppet, wherein movement of the float member translates downward motion of the rod into upward motion of the actuating arm and vice versa. | 02-25-2010 |
20100058526 | Flow water reducer for toilet water flush unit - Flow water reducer of toilet water flush unit is a device that is installed on toilet water tank to restrict the downward movement of the push handler of toilet water flush unit to a degree to allow flapper tank ball elevate only about one to one and a half inches high to drain small amount of water into toilet to flush liquid human waste. Therefore a large amount of water can be saved to relieve the shortage of water supply in big cities in the States. | 03-11-2010 |
20100095446 | 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. Also, the toilet bowl water level gauge comprises a support attached to the gauge assembly, the support being adapted to engage a rim of a toilet bowl. In addition, bowl level sensors are employed for automated calibration of an automated bowl fill system. | 04-22-2010 |
20100146692 | LEAK PREVENTION FILL VALVE CONTROL SYSTEM FOR TOILET TANK - A mechanical set of flow counters measure water flow into a toilet tank. A valve controlled by the flow counters turns off the water flow when sufficient water to fill the tank has flowed into the tank. The flow counters are built into the shaft of the fill valve. The flow counters stop a leak by closing a fill valve in the system of the invention or the fill valve built into the toilet tank. | 06-17-2010 |
20100212081 | SANITATION - There are provided sanitary assemblies ( | 08-26-2010 |
20100313348 | Method and Apparatus Utilizing Irrigation Drippers for Minimizing Water from Being Wasted in Toilets - Various methods and apparatus are described utilizing irrigation drippers ( | 12-16-2010 |
20100313349 | Method and Apparatus Utilizing a Height Gauge for Minimizing Water from Being Wasted in Toilets - One of several embodiments (FIG. | 12-16-2010 |
20100313350 | Method and Apparatus Utilizing Flow Restrictors for Minimizing Water from Being Wasted in Toilets - Various methods and apparatus are described and shown (FIG. | 12-16-2010 |
20110067173 | Gate tube toilet water saver - An improved proportioning device inserted in line between a combination tank bowl supply valve and a overflow vent aperture of conventional aspirated water closets to reduce water consumption, the proportioning device assembly include: ( | 03-24-2011 |
20110203042 | Water saving flapper valve weight apparatus - A water saving device for a toilet adapted for mounting on an overflow tube above a flapper valve. The device uses a mainframe connected to the overflow tube to position a highchair that is pivotally mounted to the mainframe. A water cup is mounted to the highchair for weight and a vertical cam descends from the highchair to contact and close the flapper valve. | 08-25-2011 |
20120124728 | Water Reservoir Shutoff - A secondary toilet reservoir water shutoff system and method for use in the water tank of a toilet assembly. The secondary toilet reservoir water shutoff having a beneficial use with toilets to prevent the wasting of water in a failing system. The secondary toilet reservoir water shutoff being activated by a toilet flush handle causing rotation of a timing device thereby opening of a secondary valve for a period of time allowing for the passage of water, the time determined by the degree of rotation of the timing device. | 05-24-2012 |
20120174308 | TOILET OVERFILL REGULATOR - A kit for calibrating an amount of water required by a toilet with an amount of water to be supplied to the toilet has a first recorder for determining an amount of water in a toilet bowl, a second recorder for determining an amount of water in a toilet tank if the water in the toilet bowl reaches a determined level, and a valve for setting an amount of water delivered to the tank if the water reaches a determined level in the tank. | 07-12-2012 |
20120227172 | WATER SAVER TOILET CONTROL VALVES AND METHODS - In accordance with embodiments of apparatus and methods, a control valve suitable for use with a gravity-assisted flush toilet is presented providing means for automatically controlling the supply of mains water to the bowl. In accordance with some embodiments, the control valve supplies at least a portion of the mains water from the fill valve bowl outlet to the tank reservoir until the tank water level is at a predetermined height in the tank reservoir, at which time, the control valve diverts at least a portion of the mains water supplied by the fill valve bowl outlet to the overflow pipe, and therefore to the bowl. | 09-13-2012 |
20130047327 | WATER-SAVING MANAGEMENT SYSTEM FOR SANITARY FACILITY AND WATER-SAVING MANAGEMENT METHOD FOR SANITARY FACILITY - A water-saving management system for a sanitary facility and a water-saving management method for a sanitary facility are provided. A control device is connected to flush valves corresponding to sanitary facilities of one or more sanitary spaces. The control device outputs flush-associated data to a local server via a transmission network. The local server receives the flush-associated data and transfers mode setting data via the transmission network. The control device sets a flush mode according to the mode setting data, so as to flush the sanitary facilities. | 02-28-2013 |
20130111657 | SWITCHING DEVICE FOR RIM WATER IN LOW TANK TOILET - A switching device for rim water in a low tank toilet, in which even when a channel pipe is closed according to a change in the level of water that is discharged to the rim through a water supply tube, some water that is supplied from a filler valve is supplied to the rim through a fill-up water inlet hole and the water level in the toilet tank can be controlled by selectively controlling the height of a float, so that the water can be economically and efficiently used, and in which a water level control unit can be lifted up according to the change in the level of water that is discharged to the rim, so that the channel pipe can be closed and the toilet tank can be filled with water. | 05-09-2013 |
20130111658 | SWITCHING DEVICE FOR RIM WATER IN LOW TANK TOILET - A switching device for rim water in a low tank toilet, in which toilet water in a toilet tank is drawn and supplied to the rim of a toilet bowl by the pressure of water that is supplied from a filler valve to the rim through a water supply tube and a supply water switching unit is rotated according to a reduction in the water level of the toilet tank, so that the water supplied from the filler valve is charged into the toilet tank and, at the same time, some water supplied from the filler valve is supplied to the rim through a fill-up water inlet hole. | 05-09-2013 |
20130180040 | Toilet leak prevention system - A toilet leak preventing system comprising a conventional toilet, having attached thereto a sensing device able to detect sound or vibration from a leaking toilet, and having means to close the water supply to the toilet after a predetermined time interval. | 07-18-2013 |
20130185859 | Self-Closing Water Saving Device, Method and Toilet - Disclosed are a self-closing water saving device, method, and toilet. The self-closing water saving device for mounting in a tank of a toilet bowl is used for supplying water to the tank, and is characterized by comprising: a water inlet adapted to be connected to an external water source, a water outlet adapted to provide water to the tank, and a jet-propelling port for jetting water to the bottom of a water trap of the toilet bowl or the bottom of a sewer; wherein, when the tank discharges water to the water trap, the water jetted from the jet-propelling port is used to propel the water which is discharged from the tank and flows into the water trap, the bottom of the water trap, or the bottom of the sewer. | 07-25-2013 |
20130198944 | WATER LEAKAGE PROTECTING DEVICE - A water leakage protecting device includes a ratchet, a pawl and an auxiliary floater. The ratchet is formed on an outer wall of a floater of a water inlet valve. The auxiliary floater has a floating cavity and a weight cavity therein. The weight cavity has a water drain hole at a bottom thereof. The auxiliary floater is coupled to the water inlet valve through a rotating shaft. The pawl corresponds in position to the ratchet and is connected to one side of the auxiliary floater close to the floater of the water inlet valve. The present invention can avoid water waste and ensure toilet safety. | 08-08-2013 |
20130198945 | FLUID DISPLACEMENT DEVICE - A fluid displacement device ( | 08-08-2013 |
20150047115 | 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. Also, the toilet bowl water level gauge comprises a support attached to the gauge assembly, the support being adapted to engage a rim of a toilet bowl. In addition, bowl level sensors are employed for automated calibration of an automated bowl fill system. | 02-19-2015 |