| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 03/26/2008 | CN201040857Y Water-supplying device with bidirectional compensation |
| 03/26/2008 | CN201040856Y Negative pressure free flow-controlling water-supping device |
| 03/26/2008 | CN201040855Y Water-supplying compensation equipment with inflating bottle |
| 03/26/2008 | CN201040854Y Full-automatic frequency conversion constant-voltage water-supping device |
| 03/20/2008 | WO2008033916A2 Fire fighting fluid delivery device with sensor |
| 03/19/2008 | EP1569544A4 High flow rate water supply assembly |
| 03/19/2008 | CN201037254Y Flow control type negative pressure free water feeding device |
| 03/18/2008 | US7344363 Remedies to prevent cracking in a liquid system |
| 03/13/2008 | US20080060706 Fire fighting fluid delivery device with sensor |
| 03/12/2008 | EP1898006A2 Frost-proof drain fitting |
| 03/12/2008 | EP1068467B1 Device for subsequently installing a fluid meter in a pipeline |
| 03/12/2008 | CN201033878Y Antifreeze tap-water pipe |
| 03/12/2008 | CN100374624C 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 |
| 03/06/2008 | US20080053529 Drain tap |
| 03/05/2008 | EP1893852A1 Reducing agent supply system for an exhaust gas purifying catalytic converter and heating device therefor |
| 03/05/2008 | CN201031409Y Non negative-pressure water supply apparatus |
| 03/05/2008 | CN201031408Y Integrated intelligent box type pipe network overlying pushing water-supply installation |
| 03/05/2008 | CN201031382Y Water conservancy pipeline |
| 02/27/2008 | CN201027326Y Miniaturized ductwork lamination water supply equipment |
| 02/27/2008 | CN201027325Y Pre-stress thin wall concrete pipe of steel faucet |
| 02/26/2008 | US7334740 Method and apparatus for melting snow and ice |
| 02/22/2008 | CA2597851A1 Automatic draining double check vacuum breaker |
| 02/22/2008 | CA2597670A1 Yard hydrant with check valve |
| 02/21/2008 | WO2008020407A2 Water supply management system |
| 02/20/2008 | CN201024445Y Vortex type energy-saving backwash water-feeding equipment |
| 02/20/2008 | CN201024441Y Pipe variable type direct pressurization water-supply apparatus |
| 02/20/2008 | CN201024440Y Mute pressurizing pump and non-negative pressure water supply equipment |
| 02/20/2008 | CN201024439Y Multifunctional full-automatic non-negative pressure water supply apparatus |
| 02/20/2008 | CN201024438Y Superposed pipe pressurizing water supply device |
| 02/19/2008 | CA2541378C Geothermal aqueduct network |
| 02/13/2008 | EP1887150A2 Drinking and domestic water system and method for operating such a system |
| 02/13/2008 | CN201021501Y Non freezing vertical water pipe |
| 02/13/2008 | CN101122140A Pipeline water-supplying device |
| 02/12/2008 | US7330796 Methods and apparatus for using water use signatures and water pressure in improving water use efficiency |
| 02/07/2008 | DE102006036123A1 Drinking water filter for connection to e.g. water meter has an inlet and an outlet that are coaxial with the filter insert |
| 01/30/2008 | EP1882784A1 Connecting fitting |
| 01/30/2008 | CN101115945A Pipeline for use as water pipe or the like |
| 01/30/2008 | CN101113599A Water-supply voltage-stabilizing compensator |
| 01/24/2008 | US20080017589 Water flushing system providing treated discharge |
| 01/23/2008 | EP1881116A1 Stop cock with additional water inlet and method of operation |
| 01/23/2008 | CN201010934Y Bifunctional non-negative pressure variable-frequency constant-pressure secondary water supply facility |
| 01/23/2008 | CN201010931Y Totally enclosed non-negative pressure supercharging water supply equipment |
| 01/23/2008 | CN201010930Y Direct connection type variable-frequency water supply equipment |
| 01/23/2008 | CN201010929Y Non-negative pressure totally enclosed secondary water supply constant-pressure permanent-flow compensating tank |
| 01/23/2008 | CN201010928Y Pressure-constant type network pressure-superposed water supply facility |
| 01/23/2008 | CN101109185A Environment-protecting energy-saving full-automatic water supply equipment |
| 01/23/2008 | CN101109184A Negative pressure preventing module for laminating water supply equipment |
| 01/16/2008 | CN101105040A Protecting system for pressure-limiting valve |
| 01/10/2008 | WO2008004880A1 An apparatus and a method for regulation of the energy potential in a fluid column located within a pipeline |
| 01/10/2008 | DE102007029340A1 Defrosting device for thawing frozen-up water pipes has a steam boiler heated up near the ground and a control device to guide steam from the boiler into a frozen-up water pipe |
| 01/10/2008 | CA2656084A1 An apparatus and a method for regulation of the energy potential in a fluid column located within a pipeline |
| 01/09/2008 | CN201003191Y Double-way water supply facility |
| 01/09/2008 | CN101100900A Special-purpose extensible member for building drainage standpipe connection |
| 01/09/2008 | CN101100867A Method and device for tap water purification quality-based supply and long distance pollution discharge |
| 01/08/2008 | US7316243 Fluid delivery system |
| 01/03/2008 | DE102006052248B3 Pressure regulator arrangement for regulation of pressure during filling or refilling of heating system, comprises housing with inlet and outlet and insert fixed to housing, where insert is locked by diaphragm |
| 01/03/2008 | DE102004006333B4 Zwischen-Speicher für ein Abgasnachbehandlungsmedium einer Abgasnachbehandlungseinrichtung für Fahrzeuge mit Dieselverbrennungsmotoren Intermediate storage for an exhaust aftertreatment medium an exhaust aftertreatment device for vehicles with diesel engines |
| 01/02/2008 | CN200999360Y Gas pressure tank |
| 01/02/2008 | CN200999357Y Automatic frequency-changing pressure-sustaining water-feeding equipment against electrical grid fluctuation |
| 01/02/2008 | CN101096855A Water source automatic switchover device |
| 01/01/2008 | US7314057 Pedestal hydrant |
| 12/27/2007 | US20070295829 Temperature equilibrating methodology & installation with water supply system |
| 12/26/2007 | CN101092821A Pot with no negative pressure |
| 12/19/2007 | CN200992724Y Non-negative pressure water relay supply device |
| 12/19/2007 | CN200992721Y Non-negative pressure controller |
| 12/19/2007 | CN200992720Y Direct pipeline pressure-increasing flow-stabilizing water supply equipment |
| 12/18/2007 | US7308906 Multi-story water distribution system |
| 12/18/2007 | CA2356762C Device for heating a tap |
| 12/13/2007 | WO2007140713A1 a purification apparatus and applied system |
| 12/12/2007 | CN101086171A Direct water-taking water tank pressurization and water supply equipment |
| 12/12/2007 | CN101086168A Pipe variable type direct pressurization water-supply apparatus |
| 12/06/2007 | US20070278318 Water control fixture having bypass valve |
| 12/05/2007 | CN101082219A Converter, cabinet type water-service installation |
| 12/05/2007 | CN101082218A Water flow converter for pressure-superposed water supplying device |
| 12/05/2007 | CN100353101C Water guard pressure balancer |
| 12/05/2007 | CN100353099C Frost free valve assembly |
| 11/29/2007 | DE202006011360U1 Anschlussarmatur End fittings |
| 11/29/2007 | DE102006019541A1 Locking clamp for telescopic installation fittings e.g. for actuating water hose valves, has spigot with flexible plate fixed on upper end |
| 11/28/2007 | EP1860420A1 Device and method for filling and pressure testing of pipe systems with purified water |
| 11/22/2007 | US20070267070 Fluid injection system |
| 11/21/2007 | EP1456481B1 Faucet mount water filter |
| 11/21/2007 | CN200978444Y Non negative pressure totally-enclosed secondary water supply installation |
| 11/21/2007 | CN200978438Y Anti-freezing device for tap-water pipe |
| 11/21/2007 | CN200978437Y Equilibration enclosed water direct drinking and supplying system |
| 11/21/2007 | CN100350178C Short-length reduced-pressure backflow preventor |
| 11/15/2007 | WO2007099549A3 Device to save water from wastage through open taps on resumption of water supply |
| 11/14/2007 | CN200975582Y Pipeline anti-freeze controller |
| 11/14/2007 | CN200974993Y Pipe network double pressure-regulator water supply apparatus |
| 11/14/2007 | CN200974988Y Direct-type pipe network voltage increasing flow stabilizing water supply apparatus |
| 11/14/2007 | CN200974987Y Fully buried type non-negative-pressure water supply and compensation tank |
| 11/13/2007 | CA2202811C Axial-mounted high flow valve |
| 11/08/2007 | WO2007106406A3 Integrated pressure proof fluid container with flexible pipe connectors |
| 11/08/2007 | DE202007010982U1 Rohrsystem zur Verteilung von Trinkwasser in Gebäuden Pipe system for distribution of drinking water in buildings |
| 11/07/2007 | CN200971869Y Energy-saving circulation water purification pump with built-in motor |
| 11/07/2007 | CN200971526Y Non-negative water supply equipment for spare water of water tank |
| 11/07/2007 | CN200971525Y Non-negative water supply equipment for direct drinking |
| 11/07/2007 | CN200971524Y Two-way water inlet no-negative water supply device |
| 11/07/2007 | CN200971521Y High efficience energy-saving isotonic floor expanding water tank |
| 11/07/2007 | CN200971520Y Auto-stop device when water pressure out-of control |
| 11/07/2007 | CN200971519Y Combined water supplement type water supply equipment |