Patents for E03B 7 - Water main or service pipe systems (5,081)
05/2012
05/09/2012CN202214763U Water supply device for building
05/09/2012CN102444174A Double closed-loop constant-pressure control system for water supply
05/09/2012CN102444171A Construction device recycling groundwater in watery sand layer
05/09/2012CN101818513B Novel non-negative pressure water supply equipment
05/09/2012CA2756341A1 Energy manager-water leak detection
05/08/2012DE202011002327U1 Trink- und Brauchwassersystem Drinking and industrial water system
05/03/2012WO2012035359A3 An apparatus for purging water from a plumbing installation
05/03/2012US20120104829 Hydraulic Circuit For Longwall Mining
05/02/2012CN202208949U Low-consumption direct water supply equipment
05/02/2012CN202208944U Sterilization water pump
05/02/2012CN202208942U Water supply system used in convertor station
05/02/2012CN102433914A Intelligent water supply system for high-rise building
05/02/2012CN102433913A Intelligent control system for fire-fighting water storage and supply in transformer substation and control method
05/02/2012CN102433912A Pressurized water supply device
04/2012
04/25/2012EP1722010B1 Method of preventing nickel leaching from copper alloy made water-contact equipment item, protective film forming agent for nickel leaching prevention and detergent for nickel leaching prevention
04/25/2012CN202202361U 具有应急功能的公共直饮水系统 Public drinking water systems with emergency function
04/25/2012CN202202360U 地下水利用系统 Groundwater utilization system
04/25/2012CN102425212A 智能静音管中型叠压给水设备 Smart Mute tube medium overlying water supply equipment
04/25/2012CN102425208A 一种自来水管、冷风机 One kind of water pipes, chillers
04/18/2012EP2440918A1 Method for generating marked batches of water
04/18/2012EP2440495A2 Devices for treating, sensing, or otherwise acting upon fluid
04/18/2012CN202194663U 复合式土压平衡盾构机供水系统 Composite EPB shield machine water supply system
04/18/2012CN202194188U 自动补气式压力供水装置 Auto qi pressure water supply equipment
04/18/2012CN202194186U Water supply device for full-automatic biochemical analyzer
04/18/2012CN202194185U 恒压变频控制自动供水装置 Constant frequency control automatic water supply device
04/18/2012CN202194184U 无负压负离子活性水供水设备 No negative pressure water supply equipment anion activity
04/18/2012CN202194182U 一种立体绿化水管防冻装置 A stereoscopic green plumbing antifreeze device
04/18/2012CN202194181U 一种水罐防冻罩 One kind of antifreeze tank cover
04/18/2012CN202194180U 地热水管网输送系统 Geothermal water pipe network delivery system
04/18/2012CN102418366A Energy-saving water supply equipment of high-rise building
04/18/2012CN102418365A Water flow accelerating pipe
04/18/2012CN102418364A Jet-flow balance main water supply pipe
04/17/2012US8160434 System of electrical thermostatation of piping or tanks
04/12/2012WO2011067628A3 Water mixing system with water saving function
04/12/2012US20120085427 Outlet Valve for a Frost-Preventing Faucet
04/11/2012CN202188185U 一种一体式垫片节水片及节水装置 One kind of one-piece gasket water-saving and water saving devices
04/11/2012CN202187385U 管网叠压系统用防负压流量开关 Pipe network layers systems to prevent negative flow switch
04/11/2012CN202187384U 一种自吸式气压给水设备 A self-priming pressure water supply equipment
04/11/2012CN102409717A 利用孔径控制调节平衡流量流速的方法 Use aperture control to adjust the balance flow velocity method
04/04/2012EP2435156A1 Method for operating a backflushing filter
04/04/2012CN202181580U 双源可控取水的自来水中继平衡加压自动装置 Dual-source controlled pressurized water tap relay automatic balancing device
04/04/2012CN202181578U 一种楼宇分质排水分质回收分质处理分质利用系统 One kind of sub-quality buildings and drainage sub-quality sub-quality recycled sub-quality processing using the system
04/04/2012CN202181575U 无塔供水器辅助加热装置 Water tower auxiliary heating device
04/04/2012CN202181574U 高层建筑物供排水系统 High-rise building water supply and drainage system
04/04/2012CN202181572U 一种增压供水泵站进水口装置 One kind of pressurized water intake pumping station device
04/04/2012CN202181570U 一种城市供水系统 An urban water supply system
04/03/2012US8146311 Method and system for insulating piping in an exterior wall
03/2012
03/29/2012DE102011113871A1 Einfriersichere Schlauchleitung Einfriersichere hose
03/28/2012CN202175989U 微机变频恒压超静音给水设备 Microcomputer constant pressure water supply equipment ultra quiet
03/28/2012CN202175986U Water supply equipment without negative pressure
03/28/2012CN202175985U 供水设备 Water Equipment
03/28/2012CN101985841B Ultrasonic water tank for secondary water supply for residents on top floor of high-rise building and control method thereof
03/27/2012US8141584 Water collection, storage, and distribution system
03/22/2012WO2012035359A2 An apparatus for purging water from a plumbing installation
03/22/2012US20120067034 Exhaust Aftertreatment System, And Engine Service Package Having Fuel Filtering Mechanism
03/22/2012CA2856713A1 An apparatus for purging water from a plumbing installation
03/21/2012CN202170540U 管网保护器系统 Network protection system
03/21/2012CN102383470A Water supply digital integrated tele-transmission visual system
03/21/2012CN102383469A Water supply method and unit and device of same
03/21/2012CN102383466A High-efficiency cluster type water pump system with constant pressure and variable flow and operation control method
03/15/2012WO2012034054A2 Pipeline fluid heating system
03/15/2012WO2012012371A3 Device for diverting fluid from a conduit
03/15/2012CA2810997A1 Pipeline fluid heating system
03/14/2012EP2428277A1 Fluid flow limiter
03/14/2012CN202164665U 电子虚拟浮堰溢流进水的自动加压供水装置 Electronic virtual floating weir overflow water automatic pressurized water supply equipment
03/14/2012CN202164664U 无负压管道加压一体化智能给水设备 No negative pressure water supply equipment integrated intelligent pressurized pipeline
03/14/2012CN202164662U 一种给水过滤装置 One kind of feed water filtration device
03/14/2012CN202164657U 家用增压供水系统 Household pressurized water system
03/14/2012CN102373744A Device for water supply and drainage pipe network with crossed pipelines
03/14/2012CN102373731A Automatic water supply system for workshop
03/14/2012CN102373730A Structure of pipe bend
03/14/2012CN102373729A Automatic water discharging device
03/14/2012CN102373728A Energy-increasing and energy-collecting water supply technology and device
03/08/2012US20120055567 Water filtration manifold integration device of a water filter
03/08/2012DE102010044567A1 Vorrichtung und System zum Konditionieren von Wasser für wasserführende Kreislaufsysteme Apparatus and system for conditioning water for water-circulation systems
03/07/2012CN202157379U 防溢型应急自动蓄水装置 Emergency spill-type automatic storage devices
03/07/2012CN202157375U 防冻水管结构 Antifreeze pipe structure
03/07/2012CN202157374U 全自动自来水管防冻器 Automatic water pipe freeze protection device
03/07/2012CN202157373U 户外水管防冻解冻套 Outdoor water pipes freeze thaw sets
03/07/2012CN202157370U 补偿箱式无负压供水装置 Compensation box no negative pressure water equipment
03/07/2012CN102367882A Integrated gasket type water-saving piece and water-saving device
03/07/2012CN102367675A Tank-type low energy consumption pipe network pressure-superposed water supply equipment and method
03/06/2012US8127790 Hydraulic valve with a filter and check valve band
03/01/2012WO2012025157A1 Watering device having an elastically compressible body and method for producing same
02/2012
02/29/2012EP2422021A1 Water supply system with recirculation
02/29/2012CN202152479U 一种无负压给水设备 A non-negative pressure water supply equipment
02/29/2012CN202152477U 自动检测气压罐 Automatically detects pressure tank
02/29/2012CN202152475U 一种稳压给水设备 One kind of regulated water supply equipment
02/27/2012DE202011052061U1 Externe Wasseraufbereitungsvorrichtung External water treatment device
02/23/2012WO2012022452A2 Sprinkler installation with recirculation circuit
02/23/2012DE102010039385A1 Verfahren und Einrichtung zur abschnittsweisen Reinigung, bei gleichzeitiger Desinfektion, von erdverlegten Rohrleitungen des öffentlichen Trinkwassernetzes Method and apparatus for cleaning in sections, with simultaneous disinfection of buried pipelines of public drinking water network
02/22/2012CN202148566U 无吸程管道给水设备机组 No suction pipe water supply equipment unit
02/22/2012CN202148564U 一种涌通防冻水管 One kind of antifreeze through pipes Chung
02/22/2012CN202148563U 一种供水减压系统 One kind of water pressure system
02/22/2012CN202148562U 直饮水设备中的供水回水分配器 Drinking water supply and return water dispenser equipment
02/22/2012CN202148561U 一种车间两路用水冷却系统 As a shop two water cooling system
02/22/2012CN202148537U 消防一体化阀门井 Fire integrated valve well
02/22/2012CN102362037A Equipment and method for monitoring the quality of water in drinking water network
02/22/2012CN102359152A Two-control multi-constant-pressure water supply equipment control system and control method thereof
02/22/2012CN102359151A Pressure-superposed water supply device
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