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| Number | Title | Issue Date |
| 8166998 | Multiple valve assembly for reducing water loss from a leak A valve assembly for reducing water loss from a leak from a water device. The valve assembly includes a first passage through which water flows from a water source to the water device and a second passage through which water flows from the water device. A first valv... | 05/01/2012 |
| 8113232 | Flood prevention system and associated method A water flow control system for regulating water traveling through an existing water supply line preferably includes a housing connected to an existing water line. A user interface may be coupled thereto and remotely attached. A mechanism may automatically prevent w... | 02/14/2012 |
| 8020582 | Excess flow valve An excess flow valve having a housing, a valve seat, a poppet and an adjusting ring. The adjusting ring lies within a bore in the housing and there is an opening through the housing permitting access to the adjustment ring from outside the bore of the housing. Rotat... | 09/20/2011 |
| 7987870 | Overpressure protection device and connection subassembly comprising same The invention relates to a protection device which defines a through hole (21) for the passage of a fluid which may be under overpressure conditions. In addition, the inventive device comprises: a stop plug (26) which can move between an open position ... | 08/02/2011 |
| 7743786 | Irrigation system and shut-off control device therefor An irrigation system having at least one water distribution member, a water supply source and a horizontally oriented, shut-off control device located in a fluid flow line between a water supply source and the at least one water distribution member for automatically... | 06/29/2010 |
| 7552743 | Self cleaning flow shutoff valve A flow shut off valve for residential water line pressure includes a housing having an inlet, an outlet and a passage there between with a valve seat in the passage. A valve element is slidably mounted within the passage and includes a cavity open to the inlet and o... | 06/30/2009 |
| 7533689 | Excess flow control valve A poppet mounted concentrically on a barrel for axial travel downstream relative thereto from an open to closed position, the poppet biased by a coil sprint to its open position. ... | 05/19/2009 |
| 7398795 | Excess flow valve An excess flow valve includes: a valve that opens and closes a flow path; a solenoid that keeps the valve in an opened state; a pressure detector detecting the primary-side pressure of the valve; and a controller controlling current flow to the solenoid based on pre... | 07/15/2008 |
| 7380567 | Safety valve assembly having reset mechanism A valve assembly includes an excess flow shut-off mechanism for controlling flow between an inlet and an outlet of the assembly. The excess flow shut-off mechanism is adapted to automatically stop fluid flow through the valve assembly when the flow exceeds a specifi... | 06/03/2008 |
| 7380565 | Spill prevention system with safety valves The present invention is for a spill prevention system to prevent fuel spills from a connecting line connecting duel fuel tanks on a truck when the connecting line is severed or detached from one of the reducer fittings to which it is attached. The connecting line p... | 06/03/2008 |
| 7360555 | Gas regulator with altimetric adjustment The invention relates to a gas regulator which is intended to be mounted on a gas delivery pipe connecting a gas source to a user device. The inventive regulator comprises a pressure regulation mechanism which is controlled by the movement of a mobile element. The i... | 04/22/2008 |
| 7362232 | Electrical service disconnect having external interface An arrangement is provided for use in an electrical utility meter that includes a metering unit, a service disconnect circuit, and a housing assembly. The service disconnect circuit has a connected state that operably couples utility power lines to a load, and a dis... | 04/22/2008 |
| 7343927 | Blocking element, especially an explosion protection valve A closing body (3) which is mounted in a housing (2) in such a way that it can be axially displaced and can be pressed out of an opening position against a valve seat (4) into a closing position. The closing body (3) is rotationally symme... | 03/18/2008 |
| 7331365 | Lavatory service shut-off valve A shut off valve (10) is provided for use in an aircraft lavatory system (70) during maintenance sanitizing operations. The shut off valve includes an inlet passage (20) in intermittent fluid communication with an outlet passage (30) and ... | 02/19/2008 |
| 7326186 | Injector system and fluid control device providing sharp bolus injection An injector system includes a source of injection fluid, a pump device, a fluid path set disposed between the source of injection fluid and the pump device, and a fluid control device operatively associated with the fluid path set. The fluid control device is adapte... | 02/05/2008 |
| 7320456 | Valve device A valve element for opening and closing a flow path can be reliably set to an opening position and a closing position. The valve element for opening and closing a communication opening portion communicating with an inflow hole and an outflow hole is provided in a va... | 01/22/2008 |
| 7306008 | Water leak detection and prevention systems and methods Water leak detection and prevention systems and methods in which water is only delivered to the water pipes in the building when a faucet or appliance demands water and water is delivered through a normally closed shut off water valve. During the period that the mai... | 12/11/2007 |
| 7299814 | Method and apparatus for selectively shutting off the flow of water to a building Embodiments disclosed herein relates in part to selectively shutting off the flow of water through a water supply pipe to a building, such as in the event of a broken water pipe. The embodiments disclosed herein also optionally discontinue electrical power to a wate... | 11/27/2007 |
| 7291565 | Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid A method and system is described for treating a substrate with a high pressure fluid, such as carbon dioxide in a supercritical state. A process chemistry is introduced to the high pressure fluid for treating the substrate surface. The process chemistry comprises fl... | 11/06/2007 |
| 7284566 | Valve arrangement for guiding a liquid against a gas pressure gradient Valve arrangement for guiding a liquid against a gas pressure gradient. The valve arrangement includes first, second and third pressure areas connected in series. An intake opens into the first pressure area. An outlet opens into the third pressure area. Flow check ... | 10/23/2007 |
| 7275702 | Valve unit for an electrostatic coating installation The main needle valve of an electrostatic atomizer has an opto-electronic sensor device with optical waveguides whose faces are opposite a reflecting element of a component moveable with the valve needle for potential-free switch position interrogations. ... | 10/02/2007 |
| 7273062 | Shut-off valve for preventing the flow of liquid through a conduit, and related processes A shut-off valve for preventing the flow of liquid through a conduit is described herein. The valve includes a valve body which defines a fluid passage, a portion of which can be venturi-shaped. The valve also includes a flow barrier which has a dimension sufficient... | 09/25/2007 |
| 7258131 | Safety valve The invention is for a safety valve for a piping system. The safety valve has a cylindrical housing, a piston assembly with two disc-shaped pistons, each piston having at least one orifice defined therein, a shaft connecting the pistons, a valve stem, and a stop att... | 08/21/2007 |
| 7255257 | Pneumatically operated power tool having mechanism for changing compressed air pressure A pneumatically operated power tool such as a screw driver, a nail gun and an impact wrench those being driven by a pneumatic pressure. A pressure reduction valve is provided between a connector connected to a compressor and a compressed air chamber defined in an ou... | 08/14/2007 |
| 7255772 | High pressure processing chamber for semiconductor substrate A high pressure chamber comprises a chamber housing, a platen, and a mechanical drive mechanism. The chamber housing comprises a first sealing surface. The platen comprises a region for holding the semiconductor substrate and a second sealing surface. The mechanical... | 08/14/2007 |
| 7250374 | System and method for processing a substrate using supercritical carbon dioxide processing A method and system for processing a substrate in a film removal system. The method includes providing the substrate in a substrate chamber of a film removal system, where the substrate has a micro-feature containing a dielectric film on a sidewall of the micro-feat... | 07/31/2007 |
| 7231937 | Automatic shutoff valve An automatic shutoff valve is provided. The valve is preferably constructed of a check valve (which is normally shut) and a shutoff valve which is open during static, no-flow, operation. Upon initiation of flow, even a drip flow, the check valve opens, and the press... | 06/19/2007 |
| 7219690 | Flow control valve A two-stage fluid pressure control valve has five components. An inlet socket with separate fluid flow orifices sealably engages an outlet socket which also has separate fluid flow orifices. A pressure check piston having a fluid flow orifice along its longitudinal ... | 05/22/2007 |
| 7219688 | Fluid control valve A fluid flow control valve includes a housing having a fluid inlet and a fluid outlet, which define a flowpath therebetween. Within the housing is a chamber located in the flowpath between the fluid inlet and the fluid outlet. A valve member is mounted within the ch... | 05/22/2007 |
| 7201184 | Pressure protection valve A valve is provided having a housing with an inlet and an outlet. Within the confines of the housing is a fluid flow path that allows for fluid communication between the inlet and the outlet. The valve includes a valve element that is movable to and from a position ... | 04/10/2007 |
| 7178548 | Dry safety device for an inflammable gas A dry safety device for an inflammable gas comprises a case main body having a gas passage which terminates at one end in a primary side open port connectable to a source of inflammable gas and terminates at the other end in a secondary side open port connectable to... | 02/20/2007 |
| 7178544 | Combination shut-off and resetable excess flow valve A valve operable with an associated fluid delivery system having fluid flow therethrough includes a housing, a valve body and a resetable excess flow valve. The housing has a first passage and the valve body is disposed along the first passage and including a wall a... | 02/20/2007 |
| 7174771 | Leak detection system A leak detection system capable of automatically detecting a leak in a pressurized piping system. A pressure decay test is utilized to test for leaks in the piping system. Disruption to users of the piping system is reduced by only performing the pressure decay test... | 02/13/2007 |
| 7168246 | Hydraulic control device for working machine A hydraulic control device for a working machine includes hydraulic actuators, a hydraulic pump which functions as a hydraulic power source, control valves which control the actuators on the basis of operations by an operating unit, a common bleed-off valve which re... | 01/30/2007 |
| 7156267 | Valve unit for filling machines The present invention relates to a valve unit for container filling machines, particularly for bottle fillers. More particularly, the present invention relates to a valve unit (1), particularly for machines for filling containers (8), comprising a holl... | 01/02/2007 |
| 7152617 | High pressure release safety valve assembly A safety valve assembly for use with a global manual valve which is installed on a high pressure cylinder or container. The safety valve assembly has a main body that is threaded into the lower bore of the global manual valve. A poppet valve slides into the bore of ... | 12/26/2006 |
| 7150299 | Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ... | 12/19/2006 |
| 7140393 | Non-contact shuttle valve for flow diversion in high pressure systems A valve for redirecting flow in a supercritical fluid or other high pressure processing system is disclosed. In high pressure supercritical carbon dioxide (SCCO2) equipment for semiconductor wafer processing, a major hurtle in providing clean equipment and clean waf... | 11/28/2006 |
| 7140386 | Surge suppression and safety cut-off valve A surge suppressor and safety shut-off valve is described which automatically shuts off fluid flow in response to a sufficient pressure differential across the valve. The shut-off valve comprises a valve body adapted for use within a fluid distribution system throug... | 11/28/2006 |
| 7114512 | Gas safety device A gas safety valve includes a main body having a longitudinal through-hole consisting of a first section, a second section, and a third section with different inner diameters. A ball and a restraining member are mounted in the first section. A spring is mounted in t... | 10/03/2006 |
