| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 05/16/2007 | CN2900633Y No-sucking stroke overlapping frequency changing constant pressure automatic water supply device |
| 05/09/2007 | EP1781993A2 Method and apparatus for clearing water from micro-organisms |
| 05/09/2007 | EP1594930B1 Method for treating tubular goods |
| 05/09/2007 | EP1278983B1 Securing shell assemblies to pipelines |
| 05/09/2007 | CN2898115Y Anti-freezing device of running water pipe |
| 05/09/2007 | CN2898114Y On-line pressurized water supplier for automatically simulating float valve water intake |
| 05/09/2007 | CN1958973A Structure improved compression water carriage equipment with constant pressure control valve in pressing-maintaining type |
| 05/09/2007 | CN1314864C Tap water pipe line direct multistage parallel pressurization device |
| 05/09/2007 | CN1314863C Device for tapwater pipe line directly pressurizating |
| 05/09/2007 | CN1314862C Device for directly water supplementing pressurization of tap water pipe line |
| 05/09/2007 | CA2567674A1 Universal mounting fixture and interchangeable water park features and methods |
| 05/02/2007 | CN1955457A Water power rotation device and fall electricity generating system of generator and building |
| 04/25/2007 | CN2893371Y Water pipe electric warming cover |
| 04/25/2007 | CN2892988Y Inserting domestic different quality water supply machine |
| 04/24/2007 | CA2488953C Freeze protection device for wall hydrants/faucets |
| 04/19/2007 | DE19747100C5 Verfahren zum Behandeln der Zementmörtelauskleidung von Rohren und Formstücken aus Stahl oder Gußeisen für Wasserleitungen Method of treating the cement mortar lining of pipes and fittings made of steel or cast iron water lines |
| 04/18/2007 | EP1773480A1 Dosing system for dosing of a liquid additive into a pressurized water supply line |
| 04/18/2007 | CN2890182Y Antifreezing thawing device for tapping pipe |
| 04/18/2007 | CN1948641A City stairstep constant pressure water supply equipment and method |
| 04/11/2007 | CN2888146Y Differential pressure driven water pump |
| 04/11/2007 | CN2887966Y Water supply control tank for residence building |
| 04/11/2007 | CN1944814A Linear regulating water supply system with ground control and underground pressure measurement for coal mine |
| 04/11/2007 | CN1309912C Water saving single pipe water supply device by different quality for residential subdistricts |
| 04/11/2007 | CN1309446C Faucet water treatment |
| 04/10/2007 | US7203419 Heated conduit |
| 04/04/2007 | EP1769192A2 Two-wire power and communications for irrigation systems |
| 04/04/2007 | CN2885946Y Built-in mute non-vacuum pressure-superposed water supply device |
| 04/04/2007 | CN1942635A 节水装置 Water-saving devices |
| 04/04/2007 | CN1940189A Water-inlet pressure pretreatment of direct running-water pipeline pressurizer |
| 04/03/2007 | US7198059 Apparatus and system for retrofitting water control valves |
| 04/03/2007 | US7198057 Freeze-free water hose |
| 03/28/2007 | EP1711663A4 Water saving device |
| 03/22/2007 | DE202007001107U1 Wasserverteiler für den parallelen Anschluss mehrerer Wasserbehandlungsgeräte Water distribution for parallel connection of multiple water treatment devices |
| 03/17/2007 | CA2559973A1 Automatic flushing device for municipal water systems |
| 03/14/2007 | CN2878530Y Anti-freezing easily repaired structure for water pipe and heat exchanger using same |
| 03/14/2007 | CN1930324A 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 |
| 03/14/2007 | CN1928264A High efficient energy-saving isotonic floor expansion water-tank |
| 03/14/2007 | CN1928263A Network pipeline water transportation method and system |
| 03/14/2007 | CN1304740C Supercharging system for gas turbines |
| 03/08/2007 | DE202005017350U1 Frostsicheres Außenwandventil Frost-resistant outdoor tap |
| 03/01/2007 | WO2007024890A2 Portable hanger for use in public transportation |
| 03/01/2007 | WO2007022578A1 Fire sprinkler system |
| 03/01/2007 | US20070044839 Modular and mobile waste and/or hazardous liquid containment and collection shower system |
| 03/01/2007 | CA2552586A1 Improved gate valve sealing structure |
| 02/28/2007 | CN2873892Y Water supply stable flow balance pot |
| 02/28/2007 | CN2873891Y Directly driving type vacuum automatic eliminator |
| 02/27/2007 | US7182126 Fluid heater |
| 02/22/2007 | US20070039345 Portable, potable water recovery and dispensing apparatus |
| 02/22/2007 | DE202006017758U1 Connection interface for connecting water treatment system at pipeline of e.g. domestic water supply mains, has channels connecting pipeline of mains with water treatment system, and flow meter analyzer and closing unit arranged in channels |
| 02/22/2007 | DE19912677B4 Frostsichere Wasserarmatur Frost-proof water faucet |
| 02/22/2007 | DE102005039161A1 Ausdehnungsgefäße der Leichtbauweise Expansion vessels lightweight construction |
| 02/20/2007 | US7178739 Automatic stagnant water flushing system |
| 02/07/2007 | CN2866632Y Water knockout trap |
| 02/07/2007 | CN2866631Y Differential pressure type air make-up energy-storing tank |
| 02/07/2007 | CN2866630Y Non-return collecting box |
| 02/01/2007 | WO2007012718A1 Device for protection against frost and uses thereof |
| 02/01/2007 | CA2616179A1 Device for protection against frost and uses thereof |
| 01/31/2007 | CN1904236A Pipe network superimposing pressure automatic water supply equipment |
| 01/30/2007 | US7168628 Control valve monitoring |
| 01/30/2007 | CA2228489C Low lead release plumbing components made of copper based alloys containing lead, and a method for obtaining the same |
| 01/25/2007 | WO2006010121A3 Closed-loop delivery system |
| 01/25/2007 | DE202006017515U1 Pressure reducer with spar adjustment function used in drinking water systems in buildings, has adjustable indicator with scale, markings and pointers for showing detected pressure values and pressure values for optimum pressure regulation |
| 01/25/2007 | DE102005035037A1 Spray or spray pistol for watering gardens has elastomer foam ring mounted above metal inlet which is compressed if water in chamber below valve freezes, preventing damage to it |
| 01/18/2007 | WO2005118059A3 Two-wire power and communications for irrigation systems |
| 01/17/2007 | EP1743982A1 Aussensäule zur Unterbringung einer Zähleranlage |
| 01/17/2007 | CN2859362Y Air exhaust antifreeze heater |
| 01/10/2007 | EP1741843A2 Backflow prevention assembly |
| 01/10/2007 | CN2856843Y Burble spring heating and freezing-proof structure of water heater |
| 01/10/2007 | CN2856187Y Anti-freezing device of running water pipe |
| 01/10/2007 | CN2856186Y Automatic pressure regulating system for water supplying pipeline |
| 01/10/2007 | CN2856185Y Novel vacuum eliminator |
| 01/05/2007 | CA2511416A1 Improved ceramic valve for antifreezing faucets |
| 01/04/2007 | DE10259664B4 Geräteanordnung für eine Hausinstallation Device arrangement for a home installation |
| 01/04/2007 | DE102005031232A1 Device for cleaning and/or disinfecting a water filter comprises an inlet to which a pressure vessel containing a cleaning and/or disinfecting agent can be connected without a feed conduit |
| 01/03/2007 | CN2854301Y Running water pressure utilization device |
| 01/03/2007 | CN2853918Y Underground water supply system |
| 01/03/2007 | CN2853917Y Pipe net direct-connection negative pressure frequency control of speed water supply equipment |
| 12/28/2006 | WO2006136306A1 Reducing agent supply system for an exhaust gas purifying catalytic converter and heating device therefor |
| 12/27/2006 | CN2851369Y Differential surge tank for controlling lower throttle valve in well by using water level of boosting pipe |
| 12/27/2006 | CN1292191C Fluid delivery system |
| 12/14/2006 | WO2006132892A2 Pipes, systems, and methods for transporting fluids |
| 12/14/2006 | WO2006076190A3 Water drainage component |
| 12/13/2006 | EP1730484A1 Method for actively monitoring pipelines |
| 12/13/2006 | CN1877180A Frost-proof exterior-wall valve |
| 12/12/2006 | US7147204 Wireless remote controlled water shut-off and leak testing system |
| 12/12/2006 | CA2455606C Potable water circulation system |
| 12/12/2006 | CA2373007C Fluid flow diverters and diversion methods and water purification equipment including such diverters |
| 12/06/2006 | CN1875216A Pipe line-closing device |
| 12/05/2006 | CA2409709C Securing shell assemblies to pipelines |
| 11/30/2006 | DE202006013449U1 Folding washer used in a lock-up valve in a drinking water supply system has a cross-section for increasing the stability against bending by an edge which runs perpendicular to the outer periphery of its plate |
| 11/30/2006 | DE102005024252A1 Pipeline arrangement for building, has distribution-, cable-, floor -, and connecting pipelines designed as ring pipelines, where pipelines are attached at ring pipelines running in building by supply-and return line connection |
| 11/30/2006 | DE10114076B4 Verbindungsstück für eine Wasserinstallation Connector for a water installation |
| 11/29/2006 | EP1726725A1 Freeze resistant valve for external use |
| 11/28/2006 | US7140390 Frost free valve assembly |
| 11/28/2006 | US7140382 Water circulating system having thermostatically controlled bypass valve |
| 11/22/2006 | EP1095352A4 An apparatus for the enhancement of water quality in a subterranean pressurized water system |
| 11/22/2006 | CN2839389Y Mechanical-electrical integral full automatic non-negative pressure water supply equipment |
| 11/16/2006 | WO2006120616A2 Apparatus for maintaining fluid temperature |
| 11/16/2006 | DE202005008464U1 Frost proof valve device for public water supply network, has driving unit with bypass line that connects vertical and horizontal sections of connecting channel which join inflow and discharge openings |
| 11/15/2006 | EP1722140A1 Nonfreezing valve |