| Patents for E03B 7 - Water main or service pipe systems (5,081) |
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| 08/19/2009 | CN201292546Y 二次供水系统 Secondary water supply system |
| 08/13/2009 | WO2009068819A3 Device for recycling wastewater |
| 08/13/2009 | WO2009063501A3 A pumping system for pumping liquid from a lower level to an operatively higher level |
| 08/12/2009 | CN201288358Y Waterproof hammer non negative-pressure feed water equipment |
| 08/12/2009 | CN201288357Y Mute non negative-pressure feed water equipment |
| 08/12/2009 | CN201288356Y Full-automatic pipe network direct-connection non negative-pressure water-supply installation |
| 08/12/2009 | CN201288355Y Constant voltage variable frequency control system |
| 08/12/2009 | CN100526568C Vacuum destroying device for water supply system |
| 08/05/2009 | CN201284494Y Apparatus for preventing water pipe freezing by electric heater in winter |
| 08/05/2009 | CN201284493Y Apparatus for preventing cold water pipe freezing by steam heater in winter |
| 08/05/2009 | CN101500659A Frost resistant container for extinguishing fluid |
| 08/05/2009 | CN100523397C City stairstep constant pressure water supply equipment and method |
| 07/29/2009 | CN201280741Y Defreezing machine for preventing water supply pipe and nozzle from freezing |
| 07/29/2009 | CN201280740Y Frequency conversion voltage transformation water supply installation according to period of time |
| 07/29/2009 | CN201280739Y Frequency conversion voltage transformation water supply installation according to period of time |
| 07/29/2009 | CN201280738Y Multi-functional Speed governing non-negative-pressure water-supply installation |
| 07/29/2009 | CN101492926A Self-suction multifunctional supply equipment for countryside |
| 07/23/2009 | DE202008003646U1 Ringleitung für ein Trink- oder Brauchwassersystem Loop for drinking or industrial water system |
| 07/22/2009 | CN201276724Y Variable-frequency multi-constant pressure non-negative pressure water supply device |
| 07/22/2009 | CN201276723Y Multi-variable fuzzy control pipe network non-negative pressure water supply equipment |
| 07/22/2009 | CN201276722Y Vacuum restraint type pipe network non-negative pressure booster set |
| 07/22/2009 | CN201276721Y Non-negative pressure water supply equipment with flow regulation function |
| 07/22/2009 | CN201276720Y Full-enclosed variable frequency non-negative pressure water supply device |
| 07/22/2009 | CN201276719Y Full-sealing non-noise overlapping water supply equipment |
| 07/22/2009 | CN101487282A Silent network pressure-superposition water supply equipment |
| 07/15/2009 | CN201272989Y Water supercharging system |
| 07/15/2009 | CN101481920A Mechanical type full-automatic antifreezing device for upper and lower water pipe emptying |
| 07/09/2009 | DE202008002822U1 Trink- und Brauchwasserversorgungseinrichtung eines Gebäudes und Steuervorrichtung für eine solche Drinking and industrial water supply system of a building and controller for such |
| 07/02/2009 | DE202009003567U1 Befestigung der Schlüsselstange in der Einbaugarnitur Attaching the key rod in the installation equipment |
| 07/01/2009 | EP2075379A1 Frost-resistant external wall valve |
| 07/01/2009 | CN201265168Y Anti-freezing device for running water |
| 07/01/2009 | CN101469551A Non-negative pressure water-supply installation |
| 07/01/2009 | CN101469550A Non-negative pressure water supply equipment |
| 06/17/2009 | CN101457541A Electric heating apparatus in water pipe |
| 06/17/2009 | CN101457540A Electric heating apparatus in water pipe and use method thereof |
| 06/11/2009 | US20090145493 Built-in wall water service box |
| 06/10/2009 | EP2066846A1 Shut-off valve for liquid-carrying pipes |
| 06/10/2009 | DE102007059315A1 Druckminderer Pressure reducer |
| 06/10/2009 | CN101451363A Non-negative pressure frequency-changing water supply device |
| 06/09/2009 | US7543602 Round wall-mounted hydrant housing for freezeless wall hydrants and method of installation thereof |
| 06/09/2009 | CA2468076C Multi-story water distribution system |
| 06/06/2009 | CA2645709A1 Heating system and method for prevention of underground tank freeze-ups |
| 06/03/2009 | CN201250419Y Pipe network pressure superposition intelligent water-supplying pumping station system |
| 06/03/2009 | CN101446098A Water conduit valve |
| 06/02/2009 | CA2517785C Check valve |
| 06/02/2009 | CA2378510C Plumbing fixture supply assembly |
| 05/27/2009 | EP2063029A1 Manifold device and assembly including such a device |
| 05/27/2009 | CN100491657C Household water-saving pipeline system |
| 05/22/2009 | WO2009062593A1 Provision of water-carrying components made from brass alloys which release reduced quantities of metal ions |
| 05/20/2009 | EP2060331A2 Apparatus for Cleaning an Interior of a Pipe |
| 05/20/2009 | DE102007053928A1 Protective sleeve for installed fittings has upper section with smaller inside diameter abutting tightly against corners of polygonal operating rod and lower section lying with larger inside diameter tightly around coupling sleeve |
| 05/20/2009 | CN201241354Y Non-negative pressure water supply equipment and water pool common linkage device |
| 05/20/2009 | CN201241353Y Dynamic pipe network stack pressing water supply device |
| 05/19/2009 | US7533686 Mixing sillcock |
| 05/14/2009 | WO2009060285A1 High purity water system |
| 05/14/2009 | WO2009060188A1 Fluid supply system |
| 05/13/2009 | EP2058442A2 Water flow control apparatus |
| 05/13/2009 | CN201236970Y Anti-freezing switch and anti-freezing tap |
| 05/13/2009 | CN101429774A Secondary water supply preposition equipment and its control method |
| 05/13/2009 | CN100487208C Water supply equipment |
| 05/12/2009 | CA2507441C High flow rate water supply assembly |
| 05/07/2009 | WO2009058370A1 Faucet with integral filter and method of installation |
| 05/07/2009 | WO2009057237A1 Water flow detecting device |
| 05/07/2009 | WO2009057236A1 Water flow detecting device |
| 05/06/2009 | CN201232223Y Water pipe antifreeze machine |
| 05/06/2009 | CN101426983A Integrated pressure proof fluid container with flexible pipe connectors |
| 04/30/2009 | WO2009055545A1 Manufacture of heat trace cable, design, installation, and management, and method thereof |
| 04/30/2009 | DE10028032B4 Absperrventil Shut-off valve |
| 04/30/2009 | CA2703175A1 Manufacture of heat trace cable, design, installation, and management, and method thereof |
| 04/23/2009 | WO2007001866A3 Hand cleanliness |
| 04/23/2009 | DE102007043888A1 Medium e.g. electricity, supplying device for consumer in e.g. hospital, has extraction points connected with supply device by communication transmission device, which controls supply at extraction points in extraction and/or feed side |
| 04/22/2009 | CN101413127A 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 |
| 04/16/2009 | WO2006120616A3 Apparatus for maintaining fluid temperature |
| 04/16/2009 | WO2006065810A3 Systems and methods for monitoring and controlling water consumption |
| 04/16/2009 | US20090095367 Brake line antifreeze assembly and method of using same |
| 04/16/2009 | DE19708920B4 Unterputzarmatur Concealed fitting |
| 03/27/2009 | CA2604601A1 Fitting with integral test membrane |
| 03/25/2009 | CN101392546A Frequency conversion voltage transformation water supply installation according to period of time |
| 03/25/2009 | CN101392545A Sleeve pipe type two-way communication water-supply method and water supply pipe structure |
| 03/18/2009 | CN201209262Y Non-negative pressure automatic water supply flow compensator |
| 03/11/2009 | EP2034054A1 Method for manufacturing a coated components for fluid carrying assembly sections and coated component |
| 03/11/2009 | CN201206256Y Thermal conduction freeze-proof water pipe |
| 03/11/2009 | CN201206255Y Prepressing type non-negative-pressure compensation tank |
| 03/11/2009 | CN201206254Y Prepressing type non-negative-pressure water-supply installation |
| 03/11/2009 | CN201206253Y Full-automatic case type energy-saving supercharging water-supply installation |
| 03/11/2009 | CN201206249Y Cross structure of water supply and drainage pipeline and cable duct |
| 03/10/2009 | CA2512148C Valve and related methods for reducing fluid pressure and generating power |
| 03/05/2009 | US20090056815 Retrofit valve assembly kit for frost-resistant hydrant |
| 03/04/2009 | EP2029817A2 Integrated pressure proof fluid container with flexible pipe connectors |
| 03/04/2009 | CN201202132Y Self-heating anti-freezing water pipe |
| 03/04/2009 | CN201202131Y Water pressure manostat |
| 03/03/2009 | US7499761 Variable function voting solenoid-operated valve apparatus having air-to-move valve actuators and testing method therefor |
| 03/03/2009 | US7497228 Freeze and backflow protection for a subterranean water flushing system |
| 02/28/2009 | CA2638990A1 Retrofit valve assembly kit for frost-resistant hydrant |
| 02/25/2009 | CN201198581Y Anti-freezing and thawing apparatus for outdoor water pipeline and solar water heater having the same |
| 02/25/2009 | CN201198580Y Multiple-zone series frequency conversion water supply energy-saving system |
| 02/25/2009 | CN100464039C Buried type stacked-pressing non-negative-pressure life fire-fighting common feed water equipment |
| 02/25/2009 | CN100464038C Non negative pressure water supply equipment for living and fire-fighting using city planning ductwork residual pressure |
| 02/25/2009 | CN100464037C Structure improved compression water carriage equipment with constant pressure control valve in pressing-maintaining type |
| 02/18/2009 | CN201195857Y Timing water supply device in school |