Patents for E03B 7 - Water main or service pipe systems (5,081)
04/2014
04/02/2014CN203514393U Automatic water supply device
04/02/2014CN102704540B Automatic energy storage-type water receiver arranged in tap water system
04/02/2014CN102518113B Ecological desert control method
04/02/2014CN102337752B Equal-diameter quasi-surge shaft for water pipe
03/2014
03/27/2014WO2014044186A1 Water supply pipe network system compatible for regional ground source heat pump and reclaimed water
03/27/2014DE102012209318B4 Wasseranschlussanordnung mit kombiniertem Wasserverteiler und Wassersammler Water supply arrangement with combined water distribution and water collector
03/26/2014CN203498913U Micro-fluctuation start-free steady-pressure water-supply device
03/26/2014CN203498910U Domestic emergency water supply device
03/26/2014CN203498908U Secondary dual-purpose water supply equipment for high-rise building
03/26/2014CN203498906U Agricultural water conveying device
03/26/2014CN203498904U Draining and anti-freezing mechanism of water pipeline
03/26/2014CN203498903U Intelligent constant pressure water supply device
03/26/2014CN203498902U Flushing structure for Flotrol F20FT control valve
03/26/2014CN103669489A Water quality controller of water tank
03/26/2014CN103669483A Box type non-negative-pressure variable frequency water supply equipment
03/26/2014CN103669482A Proportional non-negative pressure water supply device
03/26/2014CN103669481A Proportion type pressure overlying water supply device
03/26/2014CN103669467A Non-negative pressure water supply equipment
03/26/2014CN103663575A Regulated supply of treated water for regional supply networks
03/26/2014CN102808436B Deformed pipe trench structure of power plant circulating water
03/26/2014CN102459771B Valve for prevention of frozen break using phase change material
03/20/2014WO2014040823A1 Assembly for carrying out the hygienic flushing of a water installation
03/20/2014WO2013144800A3 System for detecting and/or controlling a water loss in a water supply network
03/19/2014CN203487585U Process water supply device
03/19/2014CN203487581U Flow-variable circulation pressure-stabilizing water supply device
03/19/2014CN103643718A Automatic dormancy control system of one-frequency one-pump constant-pressure secondary water supply device
03/19/2014CN102619256B Supercharged water supply automatic splitting device for simultaneous pumping in municipal pipe network and water tank modes
03/18/2014CA2574075C Auxiliary water supply for a building
03/13/2014US20140069505 Fluid deployment system for drilling and completion fluids
03/13/2014DE102012215936A1 Leitungsgebundener Wasserspender und Verfahren zum Betreiben eines leitungsgebundenen Wasserspenders Line Bound water dispenser and method for operating a wireline water dispenser
03/12/2014EP2706425A1 Flow control system
03/12/2014CN203475528U Intelligent water supply system
03/12/2014CN203475526U Vertical-type all-in-one non-negative pressure water-supply equipment
03/12/2014CN203475524U Water supply supercharging device
03/12/2014CN203475518U Tap water antifreezing device
03/12/2014CN203475517U Device for preventing faulty operation from causing water tank to be filled with water
03/12/2014CN203475512U Pipeline arrangement structure of cooling water pipe of high-pressure autoclave
03/12/2014CN103628521A Unpowered running water pressure compensation device
03/12/2014CN102943508B Small water supply system and constant-pressure control method thereof
03/12/2014CN102767211B Energy-saving anti-explosion water pipe heating system
03/12/2014CN102383466B High-efficiency cluster type water pump system with constant pressure and variable flow and operation control method
03/06/2014US20140060660 Circulating system for providing instant hot water
03/06/2014US20140060652 Apparatus, methods and articles of manufacture for dry pipe sprinkler system
03/06/2014DE102012108013A1 Fluidheizer und Verfahren zur Herstellung eines Fluidheizers Fluid heater and method of manufacturing a fluid heater
03/06/2014DE102012017320A1 Vorrichtung und Verfahren zur Überwachung von Regel- oder Absperrarmaturen Apparatus and method for monitoring a control or shut-off valves
03/05/2014EP2703800A1 Self-powered device for detecting water leakages in the pipelines of civil and industrial plants
03/05/2014CN203462524U Flow regulator
03/05/2014CN203462523U Novel overlying variable frequency water supply system with water purification and filtration function
03/05/2014CN203462522U Water-saving device for water supply network
03/05/2014CN203462521U Water supply system for PP (polypropylene) pipe production line cooling water
03/05/2014CN203462520U Building water supply system capable of automatically regulating and controlling primary and secondary water supply
03/05/2014CN203462516U Automatic constant pressure circulating water supply device
03/05/2014CN103620363A Leak detection by means of a stochastic mass balance
03/05/2014CN103620127A Method for designing corrugated steel sheet, and corrugated steel sheet pipe
03/05/2014CN103615031A Water supply system
02/2014
02/27/2014WO2014029699A1 Leak protection arrangement
02/26/2014EP2700756A1 Device for hygienic flushing in a water installation and water installation comprising such a device
02/26/2014CN203452136U Circuit board circulation water using device
02/26/2014CN203452132U Compression system for secondary water supply
02/26/2014CN203452130U Non-negative-pressure secondary water supply system
02/26/2014CN203452129U Urban water supply system
02/26/2014CN203452128U Automatic pressure stabilizing and water replenishing device
02/26/2014CN203452127U 户外叠压供水设备 Outdoor overlying water supply equipment
02/26/2014CN203452119U Wide-flow-range water supply system for flow device
02/25/2014US8656948 Hydraulic valve with an annular filter element secured by a helical spring
02/20/2014WO2014027304A1 A valve device, a system and method for controlling a water supply
02/20/2014DE102012107594A1 Leckageschutz-Anordnung Leakage protection device
02/19/2014CN203440869U Softened water supply device
02/19/2014CN103590451A Tail end supercharging device applied to pipeline network of tap water
02/19/2014CN103590449A Shaft seal water conveying device
02/19/2014CN103590444A Method for continuously monitoring leakage of large buried pressure water pipe and booster early warning system
02/12/2014EP2694759A1 Fluid flow deflector assemblies for connection to sweep tail hoses of automatic swimming pool cleaners
02/12/2014CN203429715U Intelligent water-saving device using reclaimed water
02/12/2014CN203429708U Wall-mounted kitchen cabinet capable of storing undrinkable water in reverse osmosis water purifier
02/12/2014CN203429706U Automatic sterilizing water supply device
02/12/2014CN203429704U Four-tank type voltage-stabilization compensation non-negative pressure water supply device with automatic air supply capacity
02/12/2014CN203429702U Intelligent electric-heating antifreezing device for water pipe
02/12/2014CN203429701U Mute variable-frequency constant-pressure water supply device
02/12/2014CN203429700U Direct drinking water building integrated energy saving system
02/12/2014CN103572805A Negative-pressure blocking device for water supply pipe connected with water pump
02/12/2014CN103572804A Water supply device of biochemical instrument and application method thereof
02/12/2014CN103572802A Foam-breaking water supply device for biochemical experiments and application method
02/12/2014CN103572801A Tap water pipe burst monitoring system
02/12/2014CN102943507B Rural tower-free aseptic hygienic automatic water supply device
02/12/2014CN102943502B Public ground source water and reclaimed water supply pipe network system of local ground-source heat pump system
02/06/2014WO2013001112A8 Hydraulic turbine control device
02/06/2014US20140034166 Water control valve assembly
02/05/2014EP2691756A2 Leak detection by means of a stochastic mass balance
02/05/2014CN203420318U Domestic wastewater intelligent management and comprehensive utilization system based on Internet of things
02/05/2014CN203420313U Variable-frequency constant-pressure water supplying device
02/05/2014CN203420311U Anti-leaking device
02/05/2014CN203420310U 热交换供水装置 Water heat exchange unit
02/05/2014CN203420309U Intelligent pressure regulating water supplying system
02/05/2014CN203420307U Seawater extracting pipe
02/05/2014CN203420303U Non-negative-pressure variable frequency water supply device directly connected to pipeline networks of tap water
02/05/2014CN103556681A Water supply pipeline network section pressure intelligent compensation system
02/05/2014CN103556678A Silent pipe network pressure-superposed water supply equipment
02/05/2014CN103556677A Control method of efficient variable-frequency constant-pressure water supply system
02/05/2014CN103556675A Water supply equipment integrating vacuum inhibition and reverse flow compensation
02/05/2014CN103556674A Remote monitoring method and embedded mainboard of constant-pressure variable-frequency water supply device
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