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| Number | Title | Issue Date |
| 7412988 | Pneumatic level control An improved pneumatic level control for the activation, deactivation or regulation or a downstream device or process by way of pneumatic signal in response to increased liquid volume in an attached vessel or container. ... | 08/19/2008 |
| 7360545 | Dishwasher A dishwasher having an improved valve assembly is disclosed. The dishwasher includes a housing, a tub provided in the housing, an injector assembly for injecting water onto tableware positioned in the tub, and an inlet valve assembly. The inlet valve assembly includ... | 04/22/2008 |
| 7325565 | Backflow valve The backflow valve of the present invention includes a valve housing having a cavity therein with an inlet and an outlet to the valve cavity. A switch is in communication with the valve cavity and is moveable from an off position to an on position in response to liq... | 02/05/2008 |
| 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 |
| 7309470 | Methods and apparatus for improved fluid control utilizing a U-valve employing a bidirectional check valve A U-valve apparatus including a bidirectional check valve for controlling the flow of liquid from a vessel while preventing inadvertent discharge from the vessel. The check valve allows passage of a fluid such a gas into the vessel, for purposes of agitating the liq... | 12/18/2007 |
| 7284567 | Liquid level controller A liquid level controller for maintaining the level of liquid in a tank at a predetermined height includes a housing with an upper and lower section wherein the upper section is connected to a liquid supply and the lower section is submerged in liquid the level of w... | 10/23/2007 |
| 7273205 | Positive pressure actuated aerator valve assembly A positive pressure actuated aerator valve assembly adapted to discharge compressed gas into the chamber of a bulk material handling structure. The aerator valve assembly includes a housing and positive pressure actuated valve. The housing includes a chamber adapted... | 09/25/2007 |
| 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 |
| 7155751 | Toilet tank valve A hollow, open-ended closure for the tank valve which enables a large cross-section area of discharge port to be used, and which can pass bowl-refill water during the flushing sequence. It is especially useful as part of a valve in which it can be tilted to open the... | 01/02/2007 |
| 7121522 | Device for the regulation of flow applied to flow valves working under pressure differential A device for regulating flow comprises a main valve operating under differential pressure wherein the main valve has a main flow inlet and a main flow outlet. The main flow inlet is equipped with a valve seat over which a main shutter is adjusted in a perpendicular ... | 10/17/2006 |
| 7028704 | Fill valve A fill valve assembly for a water tank such as a toilet tank. The fill valve assembly includes a head portion containing a valve mounted on top of a vertical water outlet tube and a float which moves vertically along the outlet tube to control the opening and closin... | 04/18/2006 |
| 7001322 | Multiple processing chamber set and use thereof A multiple sample processing apparatus for a continuous flow centrifuge, including a plurality of axially aligned processing chambers and expressor chambers, each chamber comprising an axial opening, in a fixed arrangement, and a plurality of central hubs disposed i... | 02/21/2006 |
| 6976398 | Liquid sample collection system A liquid sample collection system includes a container having an interior reservoir for receiving the liquid sample, and a valve assembly that may be coupled to the container to facilitate collecting the liquid sample, the valve assembly includes a valve housing hav... | 12/20/2005 |
| 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 |
| 6948696 | Pinch valves A pinch valve has a resiliently flexible tubular valve member folded upon itself at an intermediate portion of the length of the valve member to establish a folded configuration including a longitudinally extending folded portion, preferably in the form of folds, an... | 09/27/2005 |
| 6913035 | Water filler for water tank A water filler includes a water filling device, and a regulating device. The water filling device includes an inner filling tube, an outer filling tube, and an upper cover. The regulating device includes a floating barrel, a sliding barrel, a water support disk, and... | 07/05/2005 |
| 6901951 | Valve A valve (19) primarily designed as a float valve to control the flow of water under pressure into a cistern has an upstream chamber (22) and a downstream chamber (23). The upstream chamber (22) communicates an inlet (21) for mains ... | 06/07/2005 |
| 6886580 | Frost proof valve The present invention relates to a valve assembly for use in below freezing conditions which includes a valve housing with a connection to a supply of fluid, and a primary chamber, and a secondary chamber, and a flexible diaphragm, and an equalisation port, and a sa... | 05/03/2005 |
| 6837263 | Liquid level control system A liquid level control system including a tank; a source of liquid in communication with the tank; a pressure fluid actuated valve for controlling the flow of liquid to the tank from the source; a pressure sensor disposed in the tank to monitor the hydrostatic press... | 01/04/2005 |
| 6810904 | Lavatory flush tank silent-operating fill device A lavatory flush tank silent-operating fill device has a silencer extending along an axis and through which a stream of water flows; a number of channels are defined inside the silencer by a bundle of substantially straight, parallel tubes housed inside the silencer... | 11/02/2004 |
| 6766825 | Top-loaded replaceable flow control and particulate strainer A ballcock valve with a valve body mounted on a tubular riser with a valve seat which passes water from the riser. The valve body includes a base and a removable cap which enclose valve workings. A screen body passed through the valve seat has a central passage and ... | 07/27/2004 |
| 6755209 | Fill valve assembly for a flush tank The fill valve incorporates a housing (8) that has a vertical water-carrying channel (24) that leads from an inlet (49) to be fastened on the flush tank bottom (2) to a float-controlled diaphragm valve (50). The diaphragm valve ( | 06/29/2004 |
| 6712090 | Hydraulic valve A fluid tank valve assembly of the type employed for water tanks for toilets has a tank refill valve located atop a fluid inlet supply tube. The refill valve has a lever that is raised and lowered to open and close the valve. An inverted, cup-shaped hood is position... | 03/30/2004 |
| 6679285 | Faucet for filling tanks The invention relates to a faucet for filling tanks known as silent and/or fast-closing faucets. The faucet comprises a basic structure and functionalities such as those disclosed in Patent 9400095. The device assembly controlling opening and closing of t... | 01/20/2004 |
| 6659125 | Height-adjustable tank valve A toilet tank valve having valve workings supported on a riser. The riser incorporates a serpentine ladder-like groove pattern engaged by a tooth, such that the height of the valve workings can be adjusted by a ladder-like relative movements of an inner a... | 12/09/2003 |
| 6595236 | Valve A valve comprising a body having an inlet (13, 113, 213) adapted to be connected to a pressurized source of liquid and an outlet (15, 115, 215) which is to communicate with a reservoir, a valve seat (25, 125, 225) between the inlet and outlet, a valve mem... | 07/22/2003 |
| 6588449 | Diesel fuel shut-off device Fuel shut-off device for use in a diesel fuel tank to discontinue fuel flow to a fuel pump comprises a valve seat forming a fuel flow opening for fuel to flow from the fuel tank to the fuel pump, a fuel control valve cooperably disposed relative to the va... | 07/08/2003 |
| 6510866 | Ball cock assembly, float assembly for same, and method of controlling liquid level in a tank A float assembly for a ball cock assembly for a flush tank of a toilet includes an inner float component which is a buoyant element operatively connected to a shutoff valve atop a standpipe supplying water to the tank. The inner float component is dispose... | 01/28/2003 |
| 6478044 | Snap-action piloted fill valve A snap-action piloted fill valve for controlling the level in a liquid storage tank, the valve having a float and a weight cup that are adjustably interconnected by an elongated sleeve slidably disposed on a stem extending upwardly from a valve body mount... | 11/12/2002 |
| 6450196 | Float valve A liquid level responsive shut-off valve for filling a tank, such as a toilet water tank, comprises a valve housing having an inlet passageway for connection to a source of liquid under pressure, an outlet passageway opening into the tank, and a diaphragm... | 09/17/2002 |
| 6450195 | Toilet tank fill valve with float A fill valve assembly for a toilet tank including a vertical standpipe, a pilot valve assembly located at the top end of the standpipe, and a vertically movable float which is connected to the pilot valve assembly. The pilot valve assembly opens the valve... | 09/17/2002 |
| 6408869 | Safety valve A liquid level responsive shut-off valve for filling a tank, such as a liquid propane tank, comprises a valve housing having an inlet passageway for connection to a source of liquid under pressure, an outlet passageway opening into the tank, and a diaphra... | 06/25/2002 |
| 6354326 | Toilet fill valve with improved noise abatement A toilet fill valve includes a housing defining a water fill passage and a water inlet. A valve disposed in the passage divides the housing into a upstream portion and a downstream portion. A pressure regulator vertically oriented in the downstream portio... | 03/12/2002 |
| 6332475 | Filling stop valve A stop valve to terminate flow of liquid there through when the level of the liquid reaches a desired level in a container. The stop valve includes a master diaphragm valve (38) to regulate the flow of liquid through the valve and a pilot diaphragm valve ... | 12/25/2001 |
| 6325095 | Multi-point float valve A multi-point float valve with adjustable high and low level settings, the float valve capable of both providing a tight seal as between an inlet and outlet, and operating in a wide range of flow pressure environments.... | 12/04/2001 |
| 6260574 | Toilet tank fill valve connectable to riser with pre-selected height A fill valve particularly suited for OEM assembly in gravity operated flush toilets has a modular construction including a main valve body that encloses a pilot operated diaphragm valve operated by a float arm. A hollow riser has a lower end configured fo... | 07/17/2001 |
| 6244292 | Ballcock valve for water tanks A ballcock valve with a cap having an opening, and in the opening an axial groove. A valve control has a neck that fits in the opening, and a tooth that fits in the groove, so that when a shoulder on the cap and on the valve control abut, the valve contro... | 06/12/2001 |
| 6240955 | Liquid level controller A liquid level controller is shown having a housing with a rear wall. A shaft has a first end which extends through the rear wall to a liquid displacement member located within a liquid containing vessel. A second end of the shaft joins a pair of opposite... | 06/05/2001 |
| 6164313 | Low-high flow rate valve A float operated valve for controlling the rate of flow of water from a pipe carrying water under pressure, to a vessel, comprises a pipe having an end opening of selected diameter and a flange of larger diameter surrounding the pipe. A flexible diaphragm... | 12/26/2000 |
