Patents for E03B 7 - Water main or service pipe systems (5,081)
07/2012
07/11/2012CN202324068U Integrated fire-fighting pump house
07/11/2012CN202324059U 一种超高层建筑用逐级叠压供水设备 An ultra high-rise building with a gradual overlying water supply equipment
07/11/2012CN102562153A Setting method for auxiliary system of electric power tunnel
07/11/2012CN102561461A Intelligent water supply regulating system
07/11/2012CN102561460A Intelligent variable-frequency constant-pressure water supply system
07/11/2012CN102561459A Method and system for supplying water and sewage zero-discharge circular process in residential community
07/11/2012CN102561458A Wireless water-saving alarm
07/10/2012US8215870 Systems and methods for protecting subterranean structures
07/10/2012CA2476119C Municipal water delivery control systems
07/05/2012WO2012034054A3 Pipeline fluid heating system
07/05/2012US20120168008 Compressor Pressure Measuring Device
07/04/2012CN202298770U 一种变频给水系统装置 One kind of conversion water supply system devices
07/04/2012CN202298768U 智能静音柜式一体化叠压给水设备 Smart Mute laminated cabinet integrated supply equipment
07/04/2012CN202298766U 一种供水系统 One kind of water supply system
07/04/2012CN202298758U 防冻水管 Freezing pipes
07/04/2012CN202298757U 恒压供水系统 Water Supply System
07/04/2012CN202298755U Efficient cluster water pump system for constant-voltage converting quantities
07/04/2012CN102535584A Cleaning water supply system and supply method thereof
07/04/2012CN101581315B Water pump control method and water pump control system in rail vehicle water supply system
07/03/2012CA2682062C Antifreezing valve device for hydraulic and/or water storage systems
06/2012
06/27/2012EP2468964A1 Modular flush-mounted system with a central flush-mounted mixed module
06/27/2012CN202284310U Constant-pressure water supply system
06/27/2012CN202284307U 矿井供水装置 Mine water supply device
06/27/2012CN102518176A Three-tank pressure-stabilizing compensation negative-pressure-free water supply equipment
06/27/2012CN102518175A Pre-pressing vacuum suppressor
06/27/2012CN102518113A Ecological desert control method
06/21/2012US20120152371 Rupture protection device for a frost-free hydrant
06/21/2012DE202012003385U1 Kompakte Heizung für Wasserzapfstellen Compact heater for water taps
06/20/2012EP2466177A1 Sluice valve for operations
06/20/2012EP2466019A2 Drinking water supply system for a building, method for operating same and control device of same
06/20/2012EP1688657B1 Pipe line-closing device
06/20/2012CN202280111U Emptying device for indoor fire-fighting water supply pipeline
06/20/2012CN202280110U 气体顶压设备补水泵入口带压情况下的电磁阀控制系统 Solenoid valve control system gas pressure equipment up top with pressure pump inlet case
06/20/2012CN202280109U 一种生产回水供应输送系统 A method of producing backwater supply delivery system
06/20/2012CN102505734A Secondary constant-pressure water supply system of high-rise building
06/20/2012CN101761110B Automatic water adding method and device of dam water tube-type settlement instrument
06/20/2012CN101641654B Controller and control system for a pressure reducing valve
06/20/2012CA2725931A1 Rupture protection device for a frost-free hydrant
06/13/2012EP2463444A1 Sludge separator
06/13/2012CN202273276U 防超压超高层建筑消防给水系统 Anti overpressure high-rise building fire water supply system
06/13/2012CN202273275U 智能型多元化集成供水设备 Intelligent diversified integrated supply equipment
06/13/2012CN202273269U 冬季户外自来水防冻器 Winter outdoor water frost is
06/13/2012CN202273268U 一种冷热水供水系统 One kind of hot and cold water supply system
06/13/2012CN102493530A Box-type low-energy-consumption pipe network pressure-overlaying water supply equipment and method
06/13/2012CN102493529A Energy-saving type water supply method and device based on secondary tap water pressurization
06/12/2012US8196602 Water distribution system for cold climates
06/07/2012WO2012072937A2 Safety pressure-modulating valve
06/06/2012CN202265862U 一种叠压供水设备 One kind of overlying water supply equipment
06/06/2012CN202265861U 一种新型自来水分水器 A new water trap
05/2012
05/31/2012US20120132287 Pump for conveying a medium and lubricating system containing the same
05/30/2012EP2458471A1 Thermostatic control device for controlling a mass flow
05/30/2012DE202011109230U1 Schnellentlüfter mit Membran für Luftabscheider Vent with air separator membrane for
05/30/2012CN202250939U Industrial production line circulating water system
05/30/2012CN202248090U Closed negative pressure-free variable-frequency water supply equipment
05/30/2012CN202248088U Intelligent water supply system
05/30/2012CN202248086U Frequency-conversion water supply control system
05/30/2012CN202248085U Intelligent efficient energy-saving water supply system
05/30/2012CN202248084U Energy-saving equipment with stacked pipe network and water supply container
05/30/2012CN202248082U Steady-flow water supply device free of negative pressure
05/30/2012CN202248078U Water tank with sanitation automatic controller
05/30/2012CN202248076U Running water booster system
05/30/2012CN202248073U Hot water supply device for bathroom
05/30/2012CN202248070U Full-automatic water supply equipment
05/30/2012CN202248068U Device for storing flowing water
05/30/2012CN202248065U Overflow valve
05/30/2012CN202248061U Anti-freezing tap water pipeline
05/30/2012CN202248060U Novel non-negative-pressure suppressor floating ball
05/30/2012CN202248059U Simple automatic liquid feeding device
05/30/2012CN202248058U Frequency-conversion control system for tap water pressurization
05/30/2012CN202248047U Water supply control system and device
05/30/2012CN202248038U Water supply system of feed mixer
05/30/2012CN102477755A 一种恒压供水变频系统 One kind of constant pressure water supply inverter system
05/29/2012US8186378 Filter band for an electrohydraulic valve
05/29/2012CA2690252C Automatic draining freezeless wall faucet
05/23/2012CN202227399U Automatic water supply equipment capable of removing iron and manganese
05/23/2012CN202227398U Water supply system for very tall building
05/23/2012CN202227397U Totally-closed negative-pressure-eliminated water supply device
05/23/2012CN202227394U Secondary constant-pressure water supply system for high-rise buildings
05/23/2012CN102465568A 往复交叉式缠绕玻璃钢夹砂注浆顶管 Reciprocal cross-type wound GRP jacking grouting
05/23/2012CN102465547A 一频一泵恒压供水设备控制系统 A pump frequency of a water supply equipment control systems
05/22/2012US8182879 Method for preventing elution of nickel from water-contact instrument of copper alloy by formation of a protective film
05/17/2012US20120118392 Plasma separation reservoir
05/16/2012EP2453064A1 Pressure reducer being at the same time shut-off valve
05/16/2012CN202220362U Intelligent non-negative pressure water supply system
05/16/2012CN202220357U Variable-frequency constant-pressure water supply system device
05/16/2012CN102459771A 利用相变材料的冻裂防止阀 The use of the phase change material to prevent the cracking valve
05/16/2012CN102454198A Home decoration water pipe construction arrangement method
05/16/2012CN102454189A Integrated pipe network add-pressure water supply equipment
05/16/2012CN102454188A Dual-constant pressure non-negative pressure feed water equipment
05/16/2012CN102454187A Direct non-negative pressure steady-flow water supply equipment
05/16/2012CN102454185A Automatic air supply device for air pressure water supply tank
05/16/2012CN102454184A Self-balancing air supply type high level storage direct water supply equipment
05/15/2012CA2679774C Adjustable underground meter installation
05/10/2012WO2012022452A3 Sprinkler installation with recirculation circuit
05/10/2012US20120111799 installation and a method for monitoring the quality of water in a potable water network
05/10/2012US20120111428 Steel-reinforced hdpe rain harvesting system
05/10/2012CA2721176A1 Water breaker a device for detecting water leaks
05/09/2012CN202214768U Constant-pressure variable-quantity non-negative-pressure integrated water supply equipment
05/09/2012CN202214765U Single-phase power and three-phase power dual-purpose intelligent water supply controller
05/09/2012CN202214764U Intelligent water supply system for ultra-high-rise building
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