| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 03/29/2006 | EP1640514A1 Connection device for hydraulic circuits |
| 03/29/2006 | EP1640513A1 Connection device for hydraulic circuits |
| 03/29/2006 | CN2767511Y Frequency conversion non-negative pressure continuously pressurizing water supply apparatus |
| 03/29/2006 | CN2767510Y Antifreezing apparatus for water pipe |
| 03/29/2006 | CN1752360A Small water attack preventor |
| 03/23/2006 | WO2006029521A1 Heated plumbing vent |
| 03/23/2006 | CA2580294A1 Heated plumbing vent |
| 03/22/2006 | CN1749493A Vacuum destroying device for water supply system |
| 03/22/2006 | CN1246675C Intelligent drop and leakage proof device |
| 03/21/2006 | US7013907 Gas purge valve |
| 03/16/2006 | WO2006027461A1 Method for the rehabilitation of lead pipelines for water, device for implementing said method, and rehabilitated lead pipeline |
| 03/16/2006 | DE10060307B4 Wasserverteilsystem Water Distribution System |
| 03/15/2006 | CN2764822Y Double-supply double-drain system for municipal water |
| 03/09/2006 | WO2005124494A3 Automatic stagnant water flushing system |
| 03/09/2006 | US20060049267 Water control fixture having thermostatically controlled bypass valve |
| 03/08/2006 | EP1632615A1 Connection for a drinking bowl |
| 03/02/2006 | DE102004041535A1 Verfahren zum Sanieren von unter einer Strasse verlegten Zu- und Ableitungen Method for remediating laid under a street inlets and outlets |
| 03/01/2006 | EP1630304A1 Water supply fitting |
| 03/01/2006 | CN2761701Y Combined miniature intelligent stendy pressure water supply equipment |
| 03/01/2006 | CN1243888C Device for preventing illegal use of running water |
| 02/22/2006 | CN1738568A High flow rate water supply assembly |
| 02/21/2006 | US7001106 Installation of service connections for sensors or transmitters in buried water pipes |
| 02/21/2006 | US7000631 Apparatus for maintaining fluid temperature |
| 02/18/2006 | CA2476483A1 Water pressure pump |
| 02/16/2006 | US20060032249 Refrigerator |
| 02/16/2006 | DE202005019429U1 Flüssigkeitsverteiler Liquid distributor |
| 02/09/2006 | WO2006012916A1 Dosing system for dosing of a liquid additive into a pressurized water supply line |
| 02/02/2006 | DE102004032958A1 Measurement box for installation in an existing pipeline, for provision of measurement, control regulation and or display functions, has radial pipe connections and a top side connection for at least one function module or part |
| 02/01/2006 | EP1621806A1 Valve for purging air in the filling and admission thereof during the emptying of pressurized liquid from flow ducts |
| 02/01/2006 | CN1239793C Wall embedded water pipe tank |
| 02/01/2006 | CN1239746C Technology of selective lead removed for running water pipe fitting made of copper alloy and lead removal liquid |
| 01/31/2006 | US6992561 System for the control and monitoring of sanitary appliances |
| 01/26/2006 | US20060018967 Method for treating pipelines |
| 01/26/2006 | CA2497605A1 Pressure relief cap |
| 01/25/2006 | CN1724820A Water supply device for multiple households |
| 01/24/2006 | CA2428768C Surge check unit for a liquid distribution system |
| 01/19/2006 | WO2006005896A1 Fluid distribution system |
| 01/18/2006 | CN2752332Y Electrodynamic type air separating apparatus |
| 01/18/2006 | CN2752331Y Full-automatic pipe net laminated pressure water supply machine set |
| 01/18/2006 | CN1723359A Pipe renovating system and method |
| 01/18/2006 | CN1237239C System for city water saving and classified supply and draining, city fecal treatment and organic fertilizer reutilization |
| 01/18/2006 | CN1237237C Antifreezing device |
| 01/12/2006 | US20060009928 Methods and apparatus for using water use signatures and water pressure in improving water use efficiency |
| 01/11/2006 | EP1613940A2 Device for the detection of low-flow leaks |
| 01/11/2006 | CN1718948A Device for tapwater pipe line directly pressurizating |
| 01/11/2006 | CN1718947A Device for directly water supplementing pressurization of tap water pipe line |
| 01/05/2006 | DE202004009189U1 Pipe combination for reducing or preventing of rust and lime scale build-ups in drinking water pipes, as well as for preventing release of metal ions comprises a plastic pipe located coaxially in the metal base pipe |
| 01/05/2006 | DE102004028759A1 Flow sensor e.g. for central water supply station for house, has cylindrical housing and sensor element arranged in housing which has external thread in wall |
| 01/04/2006 | CN2749949Y 无负压供水装置 No negative pressure water equipment |
| 01/04/2006 | CN1234945C Flushing system with monitoring function and pipeline flushing function |
| 01/04/2006 | CN1234944C Single tube water supply terminal sterilizing water-supplying device for directly drinking engineering |
| 12/29/2005 | WO2005124494A2 Automatic stagnant water flushing system |
| 12/29/2005 | WO2005124236A2 Method and apparatus for clearing water from micro-organisms, and water supply system and shower unit provided with such apparatus |
| 12/29/2005 | US20050287389 Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material, and fluid for use in cleaning piping material |
| 12/29/2005 | CA2571239A1 Method and apparatus for clearing water from micro-organisms, and water supply system and shower unit provided with such apparatus |
| 12/29/2005 | CA2570161A1 Automatic stagnant water flushing system |
| 12/28/2005 | EP1610048A1 Heating element for fluids |
| 12/28/2005 | EP1609540A2 Process for treating a tube to be cleaned |
| 12/28/2005 | CN2748519Y De-icing device |
| 12/28/2005 | CN2748518Y Diaphragm pressure stabilization pot |
| 12/28/2005 | CN2748517Y Pipe network laminated direct-drinking water-supply device |
| 12/28/2005 | CN1233906C Water system, safety, environmental protection and intelligent treatment method |
| 12/21/2005 | CN2747284Y Fully closed direct water-supply pressuring device |
| 12/21/2005 | CN1232704C Absorber and method of mfg. the absorber |
| 12/20/2005 | US6977102 Absorber and method of manufacturing the absorber |
| 12/15/2005 | US20050277548 Absorber and method for producing it |
| 12/15/2005 | US20050274812 Automatic stagnant water flushing system |
| 12/13/2005 | CA2377061C Potable water circulation system |
| 12/08/2005 | WO2005116350A1 Integrated water supply system for multi-floor buildings |
| 12/07/2005 | CN1230239C Water softener |
| 12/01/2005 | WO2005113904A1 Method-apparatus for metering consumption of liquid for protection of uncontrollable leak (waterfuse) |
| 11/24/2005 | DE202005012319U1 System for protecting against flooding from burst water pipes has a spring loaded shut off valve with a remote release operated by a flood sensing system |
| 11/24/2005 | DE202004010732U1 Water supply security unit has switchable valve to block water supply pipe on command from controller using date and time related flow thresholds |
| 11/22/2005 | CA2345995C Method of water distribution and apparatus therefor |
| 11/16/2005 | EP1594930A1 Method for treating tubular goods |
| 11/10/2005 | WO2005106140A1 Strainer for water supply facilities |
| 11/10/2005 | US20050247009 Trim for hose faucet |
| 11/08/2005 | US6963808 Methods and apparatus for using water use signatures in improving water use efficiency |
| 11/03/2005 | US20050242199 Water control fixture having thermostatically controlled bypass valve |
| 11/03/2005 | US20050242198 Water circulating system having thermostatically controlled bypass valve |
| 11/03/2005 | DE102004016378A1 Verfahren und Anordnung zur aktiven Überwachung von Rohrleitungen Method and system for active monitoring of pipelines |
| 11/02/2005 | CN2737841Y Non-negative pressure, stable-flow water supply device |
| 11/01/2005 | CA2139394C Debris cap |
| 10/27/2005 | US20050236043 Freeze-free water hose |
| 10/27/2005 | DE102004017310A1 Leitungsanordnung für Fluide Conduit means for fluids |
| 10/26/2005 | CN1688769A Supplying water to a reticulation system from different sources |
| 10/19/2005 | CN2734843Y Bypass constant-pressure automatic water-supply machine |
| 10/13/2005 | WO2005095916A1 Method for actively monitoring pipelines |
| 10/13/2005 | US20050227878 One-bath particle-free chemical cleaning |
| 10/13/2005 | DE202005011208U1 Device to clean siphons of overflow pipes of water tanks used in drinking water preparation has valves in both legs of U bend, hoses for cleaning and discharge opening to carry out dirty material |
| 10/12/2005 | EP1584757A2 Shaft device and pipe arrangement for fluids |
| 10/12/2005 | EP1583902A1 Valve and related methods for reducing fluid pressure and generating power |
| 10/12/2005 | EP1281015A4 Backflow preventer apparatus and method with integration of shut-off valves |
| 10/12/2005 | CN2732846Y Fully-automatic pressurized water-supplying device with cushion device for direct pipeline |
| 10/12/2005 | CN1681968A Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material, and fluid for use in cleaning piping material |
| 10/05/2005 | CN2730947Y Pipe pressure booster and no-negative pressure boosting water supply device adopting same |
| 10/05/2005 | CN2730946Y Energy-saving device with frequency changing speed adjusting secondary constant pressure water supply |
| 09/30/2005 | CA2500419A1 Trim for hose faucet |
| 09/28/2005 | EP1580336A2 Shut-off device to prevent leakage |
| 09/28/2005 | CN2729163Y Electric contact non-tower automatic water supply device |