| Patents for E03B 7 - Water main or service pipe systems (5,081) |
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| 01/20/2010 | CN201386295Y Full-automatic no negative pressure water supply equipment |
| 01/19/2010 | US7648078 Water control fixture having bypass valve |
| 01/17/2010 | CA2672364A1 Flushing device with removable drain ring for potable water systems |
| 01/14/2010 | US20100006491 Device for dehumidifying and compacting solids contained in sewage for disposal |
| 01/14/2010 | US20100006162 Coupling Device |
| 01/13/2010 | CN201381527Y Table type protection and warmth retention pile for outdoor tap water pipes |
| 01/13/2010 | CN201381526Y Purifying and overlying integration water supply equipment |
| 01/07/2010 | US20100000745 Integrated water supply system for multi-floor buildings |
| 01/06/2010 | CN101619585A Pressure-release water delivery system for water delivery net in mountain areas |
| 12/31/2009 | DE10358253B4 Verfahren zur Sanierung von inkrustierten Wasserrohrleitungen mit mehreren Leitungsabschnitten Method for restoring encrusted water pipes with multiple line segments |
| 12/24/2009 | US20090314353 Apparatus and a method for regulation of the energy potential in a fluid column located within a pipeline |
| 12/23/2009 | WO2009153020A1 Modular device for energy recovery from fluid distribution networks or apparatus |
| 12/23/2009 | EP2136187A1 Water flow reducer device |
| 12/23/2009 | CN201367618Y Drainage system |
| 12/23/2009 | CN201367617Y Self-cleaning steady flow compensator |
| 12/23/2009 | CN201367616Y Softened water mixing no-negative pressure water supplying system |
| 12/23/2009 | CN201367615Y Integrated negative pressure-free water supply equipment |
| 12/23/2009 | CN201367614Y Double-protection negative pressure-free water supply equipment |
| 12/23/2009 | CN201367613Y Negative pressure-free water supply equipment |
| 12/17/2009 | WO2009149884A1 Water saving device |
| 12/16/2009 | EP2133475A1 Water saving device |
| 12/16/2009 | CN201362870Y Running water anti-freezing device |
| 12/15/2009 | CA2399669C Apparatus for fusing wrap piece to plastic coated pipe |
| 12/10/2009 | WO2009147691A1 Self- powered flow-meter with wireless connection to central unit |
| 12/09/2009 | CN201358489Y Rural self-priming multifunctional water supply equipment |
| 12/09/2009 | CN201358488Y Mute pipe network pressure-superposition water supply equipment |
| 12/02/2009 | CN201354468Y Anti-sweat device of pipeline of building toilet |
| 12/02/2009 | CN201354465Y Anti-freeze system of water washing device |
| 12/02/2009 | CN201354464Y Steady-flow balance type intelligent water supply device |
| 12/02/2009 | CN201354463Y Ultra-mute anti-freezing intelligent positive pressure superposition water supply device |
| 12/02/2009 | CN101591928A Water purification whole set water supply equipment without negative pressure |
| 11/26/2009 | WO2009140725A1 Water interface unit for interfacing a supplementary water supply, eg rainwater, with a mains water supply |
| 11/26/2009 | US20090288717 Basement security bucket |
| 11/26/2009 | US20090288716 Mixing sillcock |
| 11/25/2009 | EP2122158A1 A system and method for using a micro power plant |
| 11/25/2009 | CN201351293Y Pneumatic control automatic frequency-conversion tower-free centralized automatic water supply system |
| 11/18/2009 | CN201347567Y Conduit pipe valve |
| 11/18/2009 | CN201347566Y Variable frequency constant-pressure water-supplying automatic control system |
| 11/18/2009 | CN100560915C Special-purpose extensible member for building drainage standpipe connection |
| 11/17/2009 | US7617939 Faucet mounted water filter |
| 11/12/2009 | DE102008023239A1 Ice formation preventing method for line system utilized for transporting e.g. drinking water in underground car parking, involves circulating liquid in one of two branch parts to other branch part |
| 11/11/2009 | EP2116654A2 Water device |
| 11/11/2009 | EP2115546A2 Controller and control system for a pressure reducing valve |
| 11/11/2009 | CN201343746Y Anti-freezing water tube |
| 11/11/2009 | CN201343745Y Power room reverse osmosis water supply shock resisting device |
| 11/05/2009 | US20090272440 Freeze protection for on-board vehicle emissions treatment system |
| 10/29/2009 | DE102008020637A1 Hot water supply system comprises a hot water tank, in which the hot water is heated with a heat generator at a predetermined temperature, and a circulation line, into which the hot water is pumped with a circulating pump |
| 10/28/2009 | CN100554753C Pipe line-closing device |
| 10/22/2009 | WO2009127710A1 Apparatus to pressurise mains water supply |
| 10/21/2009 | EP2110589A2 Water device with antifreeze protection |
| 10/21/2009 | CN201330871Y Automatic emptying type antifreezing valve for tap water |
| 10/15/2009 | DE102007053928B4 Schutzhülse für Einbaugarnituren Protective sleeve for installation kit |
| 10/14/2009 | CN201326199Y Multi-pump simulated frequency conversion towerless water supply plant of air pressure type |
| 10/14/2009 | CN201326195Y Anti-frost and anti-crack relief pipe for water pipe |
| 10/14/2009 | CN201326194Y Non-negative-pressure pipe direct drinking water supply system |
| 10/14/2009 | CN201326193Y Relay-type variable-quantity-and-pressure non-negative-pressure water supply system for high-rise building |
| 10/14/2009 | CN201326192Y Metering air-supplying type air-pressure water supplying device |
| 10/08/2009 | WO2009121138A1 Flow control device and flow control method |
| 10/08/2009 | US20090250125 Monitoring systems and methods for sewer and other conduit systems |
| 10/08/2009 | CA2720273A1 Flow control device and flow control method |
| 10/07/2009 | CN201321636Y Integrated intelligent water supply pump station |
| 10/07/2009 | CN201321634Y Energy-saving water supply device |
| 10/07/2009 | CN201321631Y Secondary water supply safe intelligent management system |
| 10/07/2009 | CN201321630Y Pipe network pressure-superposed water supply device with compensation auxiliary pump |
| 10/07/2009 | CN201321629Y Pipe network pressure-superposed water supply device with compensation auxiliary pump and utilization of water storage volume of steady flow tank |
| 10/07/2009 | CN101553640A Adjusting alloy compositions for selected properties in temperature limited heaters |
| 10/01/2009 | WO2009120319A1 Automatic shutoff assembly for a water closet |
| 10/01/2009 | CA2714978A1 Automatic shutoff assembly for a water closet |
| 09/30/2009 | EP2105542A1 Valve system for a flushing device |
| 09/30/2009 | EP2105540A2 Servo-controlled water valve |
| 09/30/2009 | EP2105539A2 Valve device and spooling device with such a valve device |
| 09/30/2009 | CN101545581A Battery-powered wireless real-time monitoring terminal |
| 09/24/2009 | WO2009115619A1 Drinking water saving system |
| 09/24/2009 | DE19528287C5 Verfahren zur Erkennung eines Lecks in einem Trinkwasser-Versorgungsnetz und Anordnung zur Durchführung des Verfahrens Method for detecting a leak in a drinking water supply network and the arrangement for implementing the method |
| 09/23/2009 | CN100543246C Low type bidirectional pressure regulating tower |
| 09/23/2009 | CN100543245C Water diversion fittings for connecting reservoir and household water pipe |
| 09/22/2009 | CA2416268C White oil extrusion lubricant |
| 09/17/2009 | US20090230200 Water control valve assembly |
| 09/16/2009 | CN101532302A Crack prevention water tube |
| 09/15/2009 | CA2460159C Fluid delivery system |
| 09/11/2009 | WO2009109015A1 A water supply |
| 09/10/2009 | US20090223585 Thermal Cover |
| 09/10/2009 | US20090223578 Flush-mounted capacitive sensor mount |
| 09/10/2009 | DE102008013109A1 Dialysis center for cleaning blood of patients with e.g. kidney failure, has pure water manifold comprising dialysis machines, bleed lines conducted from pure water supply lines for parallelly supplying dialysis machines |
| 09/10/2009 | DE102008011319A1 Installation fitting for e.g. drinking water pipeline, has insert made of material with higher compressive strength than plastic, and arranged in coupling sleeve, where sleeve has two closure surfaces |
| 09/09/2009 | EP2098835A1 Device for treating a liquid flow for appliances and systems supplied with said liquid, particularly appliances and systems for room heating or air conditioning and household appliances |
| 09/09/2009 | EP2098647A1 Connecting fitting |
| 09/09/2009 | EP2098646A1 Pressure reducer/filter assembly with leak protection |
| 09/09/2009 | EP2098645A1 Drinking and domestic water system |
| 09/09/2009 | EP1812168B1 Paint delivery and application apparatus and method |
| 09/09/2009 | CN201305873Y A water feeding decompression storage device on water supply pipeline in hilly mountain areas |
| 09/09/2009 | CN201305872Y No-subpressure water supply plant for tap water booster pumping stations |
| 09/09/2009 | CN201305871Y Decompression compensation water supply device |
| 09/02/2009 | EP2096214A2 Drinking service water supply device of a building and control device for same |
| 09/02/2009 | CN201301469Y Energy-saving constant-pressure sealed water supply system |
| 09/02/2009 | CN100535268C Digital constant pressure water supply and energy saving device |
| 08/27/2009 | DE102008010066A1 Installation kit for underground pipe e.g. fresh water pipe for e.g. residence, has actuator spindle with one end extended into road cover, and coupling sleeve at other end to engage with pipe, and sleeve pipe around actuator spindle |
| 08/26/2009 | CN201296946Y Self-close type freezeproof aqueduct |
| 08/25/2009 | CA2425957C Method and system for controlling a household water supply |
| 08/20/2009 | DE10306842B4 Verfahren zur Behandlung von Rohrleitungen A method for the treatment of pipelines |