Patents for E03B 7 - Water main or service pipe systems (5,081) |
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03/13/2003 | WO2003021140A1 Temperature actuated valve |
03/13/2003 | CA2452456A1 Temperature actuated valve |
03/11/2003 | US6530391 Temperature activated valve |
03/06/2003 | US20030041898 Temperature activated valve |
03/06/2003 | DE20219214U1 Installation for rainwater use has cistern with level pump to supply fresh water storage tank having return pump |
02/27/2003 | WO2002103123A3 Valve system for various modes |
02/27/2003 | US20030037818 Installation for measuring and displaying fluid volume and corresponding use for maintaining below frostline and accessible valving and metering equipment |
02/26/2003 | EP1285980A1 Etching process for removing lead from the surface of copper alloy fittings for use with drinking water |
02/26/2003 | CN1399046A Automatically pressure-regulating industrial-frequensy water supply system |
02/12/2003 | CN2535455Y Water-saving apparatus |
02/06/2003 | US20030024578 Method and apparatus for main water shut off |
02/05/2003 | EP1281015A1 Backflow preventer apparatus and method with integration of shut-off valves |
02/05/2003 | EP0892901B2 Safety element for a duct |
02/05/2003 | EP0879323B1 Sanitary water apparatus with filtering apparatus for fibers, in particular asbestos fibers, and a method of filtering mains water |
02/05/2003 | CN2534241Y Running water return valve |
02/04/2003 | US6513543 Backflow preventer valve |
01/30/2003 | US20030019530 Tapping point and supply water network comprising such tapping point |
01/29/2003 | EP1278983A1 Securing shell assemblies to pipelines |
01/28/2003 | US6511724 Pipes for conveying drinking water |
01/23/2003 | WO2003006380A2 Deaerating equipment for external water mains |
01/23/2003 | US20030015326 Water distribution network for domestic water and fire protection application |
01/15/2003 | CN2530983Y Pipeline bacterioistatic device |
01/09/2003 | WO2003002899A1 Backflow prevention apparatus |
01/08/2003 | CN2529920Y Automatic exhauster of water system |
01/07/2003 | US6502598 Backflow prevention assembly |
01/02/2003 | US20030000577 Backflow prevention apparatus |
01/02/2003 | DE20216298U1 Module water distributor ready for connection for rainwater utilization plant has cladding housing and integrated water meters |
12/27/2002 | WO2002103123A2 Valve system for various modes |
12/25/2002 | CN2527592Y Automatic anti-freezing device for pipeline |
12/19/2002 | DE10128435A1 Rohrtrenner Backflow preventer |
12/18/2002 | EP1267004A2 Back flow preventer |
12/18/2002 | CN2526354Y Non-suction distance pipeline water supplying set |
12/18/2002 | CN2526353Y Intelligent apparatus for controlling pipeline supplying water in different quality to drink directly |
12/18/2002 | CN1385588A Intellignet drop and leakage resistant device |
12/11/2002 | EP1265056A1 Fixing system for a removable module in a circuit with a sliding latch |
12/11/2002 | EP1264050A1 Installation for measuring and displaying fluid volume and corresponding use for maintaining below frostline and accessible valving and metering equipment |
12/11/2002 | CN1095907C Pollutant interceptor |
12/04/2002 | EP1262743A1 Apparatus for connecting a water metering unit |
11/27/2002 | CN2522470Y Running-water pipe antifrozen assembly |
11/27/2002 | CN2522469Y Water-supplying III-type polypropylene pipeline telescopic loose joint |
11/27/2002 | CN1381652A Method based on intermediate water channel for determing impurity concentration and water supply network |
11/26/2002 | US6484736 Method and apparatus for cleaning drainpipes in movable equipment |
11/21/2002 | US20020170632 Forming a chromate film on the surface |
11/21/2002 | US20020170610 Rupture-resistant fluid transport and containment system |
11/13/2002 | EP0847301B1 Water-treatment device |
11/13/2002 | CN2520354Y 自来水减压器 Water pressure reducer |
11/07/2002 | DE10121417A1 Frostschutzanlage Frost protection system |
11/06/2002 | EP1254990A2 Frost prevention installation |
10/31/2002 | WO2002085494A1 Water softener |
10/31/2002 | US20020157710 Backflow prevention assembly |
10/31/2002 | US20020157708 Automatic water line flushing apparatus |
10/30/2002 | CN2518912Y Device for preventing water from being stolen |
10/24/2002 | DE10115198C1 Anschlußanordnung für eine Wasser-Armatur Terminal assembly for a water faucet |
10/24/2002 | DE10114902A1 Multiple house connection for water and fuel includes central heating plant complete with burner and flame stabilizer as ceramic plates radiating off pipe and corrugated so pairs form outward gas channels. |
10/24/2002 | DE10033660C2 Hausanschluß an die öffentliche Wasserversorgung House connection to the public water supply |
10/22/2002 | US6467498 City water flushing and sludge prevention control method |
10/17/2002 | US20020148516 Ceramic disc diverter valve |
10/17/2002 | US20020148515 Water monitoring system |
10/16/2002 | CN2516764Y Frost valve for running water pipe |
10/15/2002 | US6463956 Method of water distribution and apparatus therefor |
10/09/2002 | EP1247909A2 Connection assembly for a sanitary fitting |
10/03/2002 | US20020139421 Potable water circulation system |
10/03/2002 | US20020139399 Feeding cleaning solution into provisional pipes and drainpipes and applying negative-pressure suction; airframes of airplanes |
10/02/2002 | DE10131002A1 Endpiece for drinking water pipeline |
10/01/2002 | US6458214 Method and apparatus for cleaning drainpipes in movable equipment |
09/26/2002 | US20020134955 Remotely actuated pipeline valve and method |
09/26/2002 | US20020134431 Fluid shock absorber assembly |
09/23/2002 | CA2378099A1 Fluid shock absorber assembly |
09/19/2002 | WO2002072961A1 Absorber and method of manufacturing the absorber |
09/18/2002 | EP1240393A1 Backflow preventer assembly |
09/18/2002 | EP0804654B1 Device for regulating a water supply plant |
09/11/2002 | EP1238168A1 Backflow prevention assembly |
09/11/2002 | CN2510548Y Heat-tubeline laying-out way |
09/10/2002 | US6446652 Backflow preventer assembly |
08/28/2002 | EP1235058A1 Connecting device for a flowmeter in a metering and delivering station of a fluid |
08/27/2002 | US6439260 Easy to use residential water supply system for preventing winter flood damage |
08/22/2002 | US20020113134 Freeze protection for hot water systems |
08/20/2002 | US6435206 Plumbing fixture supply assembly |
08/14/2002 | DE10059255C1 Trinkwasserversorgungsanlage Drinking water supply |
08/07/2002 | CN1362560A Water supply system for building |
08/06/2002 | US6427712 Ambient temperature shape memory alloy actuator |
08/01/2002 | DE10137307A1 Rohr (bruch) ventil Tube (fracture) valve |
07/25/2002 | WO2002012643A3 Device for ensuring a continuous passage of fluids in fluid lines and use of said device |
07/24/2002 | CN2501917Y Pipe collar for water supply and drain-pipe |
07/23/2002 | US6422319 Water distribution network for domestic water and fire protection application |
07/18/2002 | DE10100553A1 Cartridge for preventing limescale formation has a cylindrical shape and consists of stainless steel wool covered with a wire mesh |
07/17/2002 | CN1359438A Filtered fluid dispensing system |
07/11/2002 | US20020088491 Fluid leakage monitoring system |
07/02/2002 | US6413602 Pipes for conveying drinking water |
06/20/2002 | WO2002048470A1 Sediment dispersion device and method |
06/20/2002 | DE10062208A1 Anti-freeze protection for water pipes for e.g. domestic water systems with feed and return pipes connected by connection pipe with return valve and circulation pump switched by room temperature switch |
06/20/2002 | DE10062048A1 Heat and sound protection caps for meter base and shut-off valve of a water meter mounting for a water or sanitation line that ensure continuous sound and heat protection with the mounting foam protection box |
06/19/2002 | CN2495687Y Infra-red, automatic control electrothermal film type hot water tap |
06/12/2002 | CN2494839Y Piston type running water antitheft apparatus |
06/06/2002 | WO2002044599A1 Hydro-automatic water drain valve with freezing hydro-sensor |
06/06/2002 | DE10039496C2 Anschlusszwischenstück für Wasserleitungen mit Bypass Connection adapter for water pipes with bypass |
06/04/2002 | US6397873 Method and apparatus for temporarily increasing the transport capacity of the water supply system in case of a calamity |
05/30/2002 | WO2002042678A1 Pipe fitting |
05/30/2002 | US20020062868 Short-length reduced-pressure backflow preventor |
05/30/2002 | US20020062867 Water control fixture having thermostatically controlled bypass valve |