| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 02/18/2009 | CN101368394A Non-negative pressure frequency conversion water supply facility |
| 02/12/2009 | US20090038703 System and method for conduit reparation |
| 02/11/2009 | EP2022978A2 Electrical power generator connectable to a water network |
| 02/11/2009 | CN201193345Y Visual type manual branching water collecting machine |
| 02/11/2009 | CN201193344Y Air bag supercharging compensate water supply installation |
| 02/11/2009 | CN201193343Y Non-negative-pressure water supply equipment in set |
| 02/11/2009 | CN101363235A Water boosting system and boosting method thereof |
| 02/05/2009 | WO2009016678A1 Integrated system for hydraulic nets control and optimization |
| 02/05/2009 | US20090032114 External water shutoff |
| 02/04/2009 | CN201190300Y Warmth retention pile for protecting outdoor water supply pipe |
| 02/04/2009 | CN201190299Y Full-automatic intelligent compensator special for building roof |
| 02/04/2009 | CN101358457A Premium apparatus |
| 02/04/2009 | CN100458262C Pipe clearing method |
| 01/28/2009 | CN201187069Y Water-supply pipe network automatic control device preventing negative pressure |
| 01/27/2009 | CA2272452C Device for holding a pipe on a branch connector |
| 01/22/2009 | US20090020172 Method and Apparatus for Water Distribution |
| 01/21/2009 | EP2017390A2 Apparatus for cleaning water |
| 01/21/2009 | EP2015851A1 Frost resistant container for extinguishing fluid |
| 01/21/2009 | CN201183970Y Multifunctional automatic stack pressure water-supply apparatus |
| 01/21/2009 | CN100453747C Unit multifunction water supply apparatus without negative pressure |
| 01/15/2009 | WO2009007127A1 Connection fitting |
| 01/15/2009 | DE102007033073A1 Vorrichtung und Filtereinheit zur Wasseraufbereitung Apparatus and filter unit for water treatment |
| 01/15/2009 | CA2691457A1 Connection fitting |
| 01/14/2009 | EP1534900A4 Supplying water to a reticulation system from different sources |
| 01/14/2009 | CN201180279Y Automatic constant-pressure water service system for providing cold and hot water all-weather |
| 01/14/2009 | CN101343886A Standby facilities used for building water supply |
| 01/14/2009 | CN101343884A Secondary supercharging water supply apparatus of civil water supply ductwork |
| 01/13/2009 | US7475703 Thermostatically controlled bypass valve |
| 01/08/2009 | WO2009003858A1 Plastic pipeline |
| 01/07/2009 | EP2010754A2 Adjusting alloy compositions for selected properties in temperature limited heaters |
| 01/07/2009 | CN201176603Y Intelligent water-supply installation with out suction head and negative pressure |
| 01/01/2009 | US20090001178 Thermostatic valve and mixer tap with integrated tmv |
| 12/31/2008 | WO2008115473A9 Self-acting self-circulating fluid system without external pressure source and use in bearing system |
| 12/31/2008 | CN201172838Y Non-negative-pressure water supply equipment in set |
| 12/31/2008 | CN201172837Y Non-negative pressure water supply equipment |
| 12/24/2008 | WO2007124405A3 Adjusting alloy compositions for selected properties in temperature limited heaters |
| 12/24/2008 | CN201169794Y Water supply balance adjusting device of circulating water system |
| 12/24/2008 | CN100445481C Linear regulating water supply system with ground control and underground pressure measurement for coal mine |
| 12/24/2008 | CN100445480C Water-inlet pressure pretreatment of direct running-water pipeline pressurizer |
| 12/17/2008 | EP2003256A2 Case for a water conveyance metering assembly |
| 12/17/2008 | EP2003255A1 Attachment rail for a water metering assembly |
| 12/10/2008 | CN201162245Y Stabilizing compensation water supply facility with self-supercharging water supply |
| 12/10/2008 | CN201162244Y Stainless steel non-negative pressure water supply equipment |
| 12/10/2008 | CN101319511A Dynamic pipe network stacking water supply system |
| 12/03/2008 | CN201158839Y Non-negative pressure energy-saving full-automatic variable-frequency control water-supply equipment |
| 12/03/2008 | CN201158837Y Non-suction lift non-negative pressure supercharging and stabilizing water supply equipment |
| 12/03/2008 | CN201158836Y Pressure-compensating water supply device without additional influence to common ductwork hydraulic pressure |
| 12/03/2008 | CN101314953A Non-negative pressure unitized water supply equipment |
| 12/03/2008 | CN100439608C Network pipeline water transportation method and system |
| 12/02/2008 | US7458749 Wastewater effluent shield |
| 11/27/2008 | WO2008141587A1 Air pressure difference type energy saving water pumping device |
| 11/27/2008 | US20080293042 Detection of Contamination of Municipal Water Distribution Systems |
| 11/26/2008 | CN201155123Y Sealed type mute pressure-stable water supplier structural device |
| 11/26/2008 | CN201155122Y Negative-pressure free tap water water-supply installation |
| 11/26/2008 | CN201155121Y Pneumatic fully-automatic water-supplying device |
| 11/26/2008 | CN201155120Y Multi-pump linkage energy-saving pneumatic water supply device |
| 11/21/2008 | CA2631928A1 Method and system for mobile wireless shut-off of utility service |
| 11/19/2008 | CN101308364A Water supply pipe network affair model modelling approach based on transient flow analysis |
| 11/19/2008 | CN101307612A Water supply facility possessing bidirectional compensation |
| 11/13/2008 | WO2008115473A3 Self-acting self-circulating fluid system without external pressure source and use in bearing system |
| 11/13/2008 | DE202007009832U1 Anschlussarmatur End fittings |
| 11/13/2008 | DE102007019594B3 Frost-proof armature for e.g. irrigation system, has seal released from mounting hole in valve seat drilling in sealed condition of another seal, where latter seal is released from drilling in hole in sealed condition of former seal |
| 11/12/2008 | CN201148635Y Forced stack pressure non-negative pressure water supply equipment |
| 11/12/2008 | CN201148634Y Large, small-sized and middle low pressure closed high position telemetering water tanks and multiple exit ports water pump matching apparatus |
| 10/30/2008 | US20080266125 Method for Actively Monitoring Pipelines |
| 10/29/2008 | CN201141140Y Waterpipe anti-freezing device |
| 10/28/2008 | US7441569 Will call wireless tank level monitoring system |
| 10/23/2008 | WO2008128128A2 Method and system for detecting water system leaks |
| 10/22/2008 | CN201137171Y Quality dividing water supply system for family |
| 10/21/2008 | US7438502 Telescoping underwater guide |
| 10/16/2008 | WO2008122454A1 Method for the dimensioning and planning of freshwater distribution systems |
| 10/16/2008 | US20080251131 Method and system for detecting water system leaks |
| 10/15/2008 | CN201132974Y Water supply system for large and middle energy conserving rotater |
| 10/15/2008 | CN101285315A Handling method for water-break caused by low metro water pressure in tall buildings |
| 10/14/2008 | US7434781 Remotely actuated quick connect/disconnect coupling |
| 10/12/2008 | CA2628901A1 Method and system for reliably detecting structure and water system leaks |
| 10/12/2008 | CA2628897A1 Method and system for detecting water system leaks |
| 10/09/2008 | US20080245421 Automatic cleaning drain structure |
| 10/09/2008 | US20080245092 Portable, potable water recovery and dispensing apparatus |
| 10/08/2008 | EP1978164A1 Method for dimensioning and planning fresh water distribution systems |
| 10/08/2008 | CN201128926Y Non-negative-pressure soft body stable current regulator |
| 10/08/2008 | CN201128925Y Full-automatic non-negative pressure frequency conversion energy storage emergency water supply facility |
| 10/02/2008 | WO2008090359A3 Controller and control system for a pressure reducing valve |
| 10/02/2008 | WO2008052268A3 Valve operation |
| 10/01/2008 | EP1478891B1 Portable, potable water recovery and dispensing apparatus |
| 10/01/2008 | CN201125409Y Negative pressure canceller |
| 10/01/2008 | CN201125408Y Flow and pressure changeable water supply equipment without negative pressure |
| 10/01/2008 | CN201125407Y Pipe network steady flow voltage increase water supply facility without negative pressure and suction distance |
| 09/25/2008 | WO2008115473A2 Self-acting self-circulating fluid system without external pressure source and use in bearing system |
| 09/25/2008 | WO2008113135A1 Relief valve |
| 09/25/2008 | DE202008003382U1 Trinkwasserbereitung mit thermischer Legionellen-Entkeimung unter Verwendung eines Strahlpumpenreglers DHW heating with thermal Legionella disinfection using a jet pump controller |
| 09/24/2008 | CN201121348Y Water container for integral toilet |
| 09/24/2008 | CN201121347Y Full-automatic amount-variable and voltage-variable non-negative pressure water supply equipment |
| 09/24/2008 | CN201121346Y Small flow voltage regulation non-negative pressure water supply equipment |
| 09/17/2008 | CN201116372Y Frequency conversion constant pressure water supply equipment |
| 09/17/2008 | CN101265715A Water collecting and diversifying device |
| 09/11/2008 | US20080220281 Copper alloy plumbing hardware, such as valves and tube couplings, and the treatment method for reducing elution of lead |
| 09/11/2008 | DE102007010963A1 Wasserübergabesystem Water transfer system |
| 09/10/2008 | EP1967659A2 Water transfer system |
| 09/10/2008 | EP1967658A2 A water supply system |