| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 11/15/2006 | EP1722010A1 Method of preventing nickel leaching from copper alloy made liquid-contact equipment item, protective film forming agent for nickel leaching prevention and cleaner for nickel leaching prevention |
| 11/14/2006 | CA2427887C Method and device for lining a sewer pipe |
| 11/10/2006 | CA2546025A1 Frost-resistant stand valve |
| 11/09/2006 | DE10231096B9 Filtervorrichtung und Innenbehälter für eine Filtervorrichtung Filter device and the inner container for a filter device |
| 11/02/2006 | EP1716322A1 Reservoir for an exhaust aftertreatment medium of an exhaust aftertreatment device for vehicles having diesel combustion engines |
| 11/02/2006 | EP1362146B1 Device for piping system |
| 11/01/2006 | CN2832927Y Antifreezing and unfreezing water supply device |
| 11/01/2006 | CN2832926Y Full-automatic double-control water supply without cistern |
| 10/26/2006 | WO2006111061A1 Tipping bin type treating method for pressureless liquid |
| 10/18/2006 | EP1711663A1 Water saving device |
| 10/17/2006 | US7122510 One-bath particle-free chemical cleaning |
| 10/17/2006 | US7121293 Tri valve backflow preventer |
| 10/17/2006 | CA2427349C Ceramic disc diverter valve |
| 10/12/2006 | DE102005015527A1 Water filter for filtering water in water pipeline has water outlet in center of cavity forming fluid connection to outflow flange |
| 10/04/2006 | CN2823344Y Defroster |
| 09/28/2006 | DE202005007628U1 Frostsicheres Standventil Frostproof Standventil |
| 09/27/2006 | EP1703984A2 Fluid level sensing apparatus and method for a spray applicator |
| 09/27/2006 | CN2820969Y Anti-freezing device for running water |
| 09/26/2006 | US7111817 Municipal water delivery control systems |
| 09/20/2006 | CN1276209C Multiple path co-pipe transport pipeline system |
| 09/14/2006 | US20060202143 Municipal delivery control systems |
| 09/06/2006 | CN2813724Y Double-purpose antifreezing device for running water |
| 09/06/2006 | CN2813723Y 多用户供水装置 Multi-user water supply device |
| 09/05/2006 | US7100630 Water guard pressure balancer |
| 08/31/2006 | DE202006010046U1 Filter for removing coarse pollutants from water in external pump or pipe systems comprises large diameter pipe fitted with supply pipe and riser pipe, curved mesh screen separating two pipes |
| 08/31/2006 | DE102005008020A1 Standpipe for gutters has at sewer connecting end an integral adaptor section which has enlarged outer diameter matching inner diameter of sleeve section of sewer connecting pipe for direct fitting |
| 08/30/2006 | CN1272116C Water pipe rust removing device |
| 08/23/2006 | EP1693623A1 Temperature controlled security drain valve |
| 08/23/2006 | EP1693344A1 Device for the thermal disinfection of potable water supply installations |
| 08/22/2006 | US7093608 Vacuum pressure breaker and freeze protection for a water flushing system |
| 08/17/2006 | WO2006085390A1 Pipe for use as water pipe or the like |
| 08/16/2006 | CN2806576Y Anti-freezing water storage mechanism and flushing system containing the same |
| 08/15/2006 | USRE39235 Freezerless wall hydrant for delivery of hot or cold water through a single discharge conduit |
| 08/15/2006 | US7089955 Recreational vehicle low temperature water supply warming system |
| 08/15/2006 | US7089763 recovering liquid water for human use from the humidity of environmental air and sanitizing it; drawing in air and cooling to below its dew point; air filters remove dust and impurities, heaters and coolers for condensation, ionizing and oxygenating subsystems |
| 08/14/2006 | CA2496995A1 Curb stop marker |
| 08/10/2006 | US20060174940 Drain valve |
| 08/09/2006 | EP1688657A1 Pipe line-closing device |
| 08/02/2006 | CN1811078A Submersible water supply apparatus |
| 08/02/2006 | CN1267671C Established pipe replacing apparatus |
| 07/26/2006 | CN2799682Y Pressurized automatic water-feeding device for running water supply pipe line |
| 07/20/2006 | WO2006076458A1 Freeze-proof water valve for supplying secondary water to a snow making apparatus |
| 07/20/2006 | CA2593554A1 Freeze-proof water valve for supplying secondary water to a snow making apparatus |
| 07/19/2006 | EP1681520A2 fluid valve |
| 07/19/2006 | EP1681108A1 Vehicle and method for cleaning water supply systems |
| 07/19/2006 | CN2797455Y Pipeline mixer |
| 07/19/2006 | CN1804245A Differential pressure type air-supplementing energy storage tank |
| 07/18/2006 | US7076814 High flow rate water supply assembly |
| 07/18/2006 | CA2222786C Frostproof hydrant seal |
| 07/13/2006 | WO2006073318A1 Energy/water usage monitor |
| 07/12/2006 | CN1800045A Pool for water-distributing and ozone contacting in advance |
| 07/11/2006 | US7073528 Water pump and thermostatically controlled bypass valve |
| 07/06/2006 | US20060144376 Heating device for a fluid line and method for the production thereof |
| 07/05/2006 | EP1676966A1 Water-separating apparatus for toilet tank |
| 07/05/2006 | CN2793169Y Intelligent pump-station complete equipment with long-range control |
| 06/28/2006 | EP1673177A2 System and arrangement for conduit reparation |
| 06/28/2006 | CN2791122Y Anti-frozen device of water pipeline |
| 06/28/2006 | CN2791121Y Relay-booster type automatic water supply equipment |
| 06/27/2006 | US7066197 Supplying water to a reticulation system from different sources |
| 06/22/2006 | US20060130918 No water waste valve |
| 06/21/2006 | EP1309652B1 White oil extrusion lubricant |
| 06/21/2006 | CN2789320Y Constant pressure automatic compensating repressing water supply device |
| 06/20/2006 | US7063098 Flush cartridge apparatus and method of use |
| 06/14/2006 | CN2787735Y 防冻水管 Freezing pipes |
| 06/13/2006 | US7059194 Pressure fault device |
| 06/07/2006 | CN1782242A Water supply pressure stabilizing compensator |
| 06/01/2006 | US20060112989 Fluid control system |
| 05/31/2006 | CN1779086A Non-negative pressure stabilized water-supply control system |
| 05/24/2006 | DE202006003226U1 Plant for heating drinking water to kill Legionella and other germs, comprising heated water disinfection circuit, circulating water circuit and preheater-recooler for cooling the hot, disinfected water |
| 05/24/2006 | DE10361867B4 Abgasnachbehandlungseinrichtung Exhaust treatment device |
| 05/24/2006 | CN2782782Y Freezing proof combined valve for running water |
| 05/24/2006 | CN2782781Y Air blocked back flow proof device |
| 05/24/2006 | CN2782780Y Seal air isolated back flow proof pressured water supply tank |
| 05/24/2006 | CN1257327C Method and apparatus for auto-increasing pressure of tap-water |
| 05/17/2006 | CN1773030A City water-supply antifreezing new technique at highland and cold region |
| 05/16/2006 | US7044154 Apparatus for detecting and preventing fluid leaks in a property |
| 05/16/2006 | US7044149 Pipe fitting |
| 05/10/2006 | CN2778892Y Double constant pressure non-negative pressure water-supply equipment |
| 05/10/2006 | CN2778891Y Noise insulation type non-negative pressure water-supply equipment |
| 05/10/2006 | CN2778890Y Vibration isolation type non-negative pressure water-supply equipment |
| 05/09/2006 | US7041176 Pipe renovating system and method |
| 05/03/2006 | CN2777613Y Mx diaghragm filtering pressure stabilizer |
| 05/03/2006 | CN2777068Y Negative pressure free type tap water supply equipment |
| 05/02/2006 | US7036520 Hot water heater recirculation system and method |
| 04/27/2006 | WO2006042373A1 Potable water purifier for pressurised systems for buildings |
| 04/27/2006 | WO2005124236A3 Method and apparatus for clearing water from micro-organisms, and water supply system and shower unit provided with such apparatus |
| 04/26/2006 | CN2775148Y Anti-freezing device for water tap |
| 04/19/2006 | CN2773188Y Non-pollution water supplier |
| 04/18/2006 | US7030767 Water leak mitigation system |
| 04/18/2006 | US7028489 Over-pressurization protection system for cryogenic vessel |
| 04/12/2006 | EP1481189B1 Arrangement for keeping a pipe unfrozen, a method and an apparatus for manufacturing said arrangement |
| 04/12/2006 | CN2771595Y Non-water return-air valve for running water pipe |
| 04/06/2006 | WO2006035272A1 Connection device for hydraulic circuits |
| 04/06/2006 | DE10308134B4 Verfahren zur Verringerung der Bleiauslaugung in Trinkwasserversorgungssystemen A method of reducing lead release in water supply systems |
| 04/05/2006 | CN2769362Y Antifreezing fire hydrant |
| 04/05/2006 | CN1249316C Insert piece for pipe distribution operation and concrete pouring construction method using the insert |
| 04/05/2006 | CN1249311C Non-pollution secondary water supply system for both life and fire fighting purposes |
| 04/05/2006 | CN1249310C Pollutionless living and fire-fighting dual-purpose secondary water supply system |
| 04/04/2006 | US7021327 Hydrant valve access system |
| 03/30/2006 | WO2006032899A1 Method and apparatus for cleaning liquids |