Patents for E03B 7 - Water main or service pipe systems (5,081)
11/2012
11/15/2012US20120285559 Formed seal ring for a liquid gas separating element
11/15/2012US20120285558 Pump reducing a fluid flow by a determined amount
11/15/2012DE202011050863U1 Einbaugarnitur und Vorrichtung zur Bearbeitung wenigstens eines Teiles einer Einbaugarnitur sowie Schutzrohr und Abdeckmittel für eine Einbaugarnitur Installation kit and apparatus for processing at least a portion of a stem extension, and thermowell and covering for installation equipment
11/14/2012CN202531990U Automatic anti-freezing tap-water valve control system
11/14/2012CN202530510U Frequency conversion and voltage transformation control system for centralized water supply
11/14/2012CN202530507U Programmable logic controller (PLC)-based frequency conversion constant pressure water supply system
11/14/2012CN202530506U Automatic water filling anti-overflow device
11/14/2012CN202530504U Non-negative-pressure direct drinking water preparation and supply device
11/14/2012CN202530503U Energy-saving water supply negative-pressure-free pipeline
11/14/2012CN102776921A Control device and control method for overbottom pressure and water storage of pipe network of tap water pressurizing pump station
11/14/2012CN102776919A Automatic water replenishing device
11/14/2012CN102776918A Pipeline installing method and parts for conveniently replacing water pipe
11/14/2012CN102776917A Vacuum suppressor
11/14/2012CN102071725B Field production water supply device
11/14/2012CN102041830B Box-type complete water supply device with integrated water storage and variable-frequency constant-voltage lamination water supply
11/13/2012US8311402 Modular heater system
11/13/2012US8307848 Freeze resistant manifold assembly and system
11/11/2012CA2775885A1 Water manifold
11/09/2012DE202012103617U1 Frostsichere Armatur Frost-proof fitting
11/09/2012DE202012103616U1 Frostsichere Armatur Frost-proof fitting
11/08/2012WO2012124911A3 Pipe having a heater
11/08/2012US20120279580 Process fluid pressure transmitter with replaceable atmospheric vent filter
11/07/2012EP2520549A1 Devices for treating fluid
11/07/2012CN202519746U Water storage device of water replenishing tank for valve cooling system
11/07/2012CN202519741U Tap water pipe protection device
11/07/2012CN102767212A One-way pressure supplementing tower used for water conveying system
11/07/2012CN102767211A Energy-saving anti-explosion water pipe heating system
11/07/2012CN102767210A Adjustable jet device with multiple water sources
11/07/2012CN102433913B Intelligent control system for fire-fighting water storage and supply in transformer substation and control method
11/06/2012US8302624 Linear valve position measuring apparatus
11/01/2012US20120273069 Water Damage Prevention System
10/2012
10/31/2012DE102011018826A1 Tap water control system for use in house, has sensor provided in locked water mains, to indicate slow pressure drop, and to indicate leakage of water by lighting up panels through LED
10/31/2012CN202509565U Mixed secondary pressurizing water supply equipment
10/31/2012CN202509564U Membrane separation water feeder
10/31/2012CN202509560U Preparing and controlling system of pure tap water
10/31/2012CN102758466A High-building water tank
10/31/2012CN102758465A Water supply equipment
10/25/2012US20120267287 Screening methods and apparatus
10/24/2012EP2515606A2 Subsea pipeline direct electric heating cable with a protection system
10/24/2012CN102168447B Anti-freezing water pipe
10/17/2012CN202492891U Pure water conveying system for purified water treatment
10/17/2012CN202492889U Automatic water feed tank of double-layer filter device
10/17/2012CN102733455A Cycling constant flow control device of pipeline direct water drinking pipe network
10/17/2012CN102733454A Energy recycling device of pressure water supply pipeline, and recycling method thereof
10/17/2012CN102733453A Antifreezing water pipe
10/17/2012CN102108723B Water supply system for building
10/11/2012WO2012138412A1 Fluid flow deflector assemblies for connection to sweep tail hoses of automatic swimming pool cleaners
10/11/2012CA2830963A1 Fluid flow deflector assemblies for connection to sweep tail hoses of automatic swimming pool cleaners
10/10/2012DE202011102934U1 Ventileinheit zur Belüftungs- oder Rückstromsteuerung Valve unit for ventilation or back flow control
10/10/2012DE202011102932U1 Frostsicheres Außenwandventil für tiefe Temperaturen Frost-resistant outdoor tap for low temperatures
10/10/2012CN202482934U Dual-mode non-negative-pressure supercharging device
10/10/2012CN102359151B Pressure-superposed water supply device
10/04/2012US20120248230 Document shredder
10/04/2012US20120247596 Hydraulic oil tank, hydraulic oil tank manufacturing method and construction vehicle equipped with hydraulic oil tank
10/04/2012US20120247587 Visual indicator for air tank valve handle
10/04/2012US20120247574 Protective mat
10/04/2012DE102012003528A1 Wasserkonditionierungsvorrichtung zur Vermeidung oder Reduzierung von Mineralausfällungen Water treatment device for preventing or reducing Mineralausfällungen
10/03/2012CN202466692U Computer controlled constant pressure water supply device
10/03/2012CN202466691U Pipe network water-taking regulator
10/03/2012CN202466688U Novel non-negative pressure integrated system device
10/03/2012CN202466687U Tap water heating device
10/03/2012CN202466686U Automatic water charging system for circulating water tank
10/03/2012CN202466685U Pipe network flow rate automatic control type pipe network simulation system
10/03/2012CN202466684U Wireless water saving alarm
10/03/2012CN102707741A Controller and control system for a pressure reducing valve
10/03/2012CN102704549A Adjustable non-negative pressure jet-flow type pipe network superposition water supply facility
10/03/2012CN102704540A Automatic energy storage-type water receiver arranged in tap water system
10/03/2012CN102704539A Outdoor negative pressure-free water supply equipment with anti-freezing function
10/03/2012CN102704536A Non-negative pressure water supply facility
10/03/2012CN102704535A Efficient meter for hydraulic pipeline design
10/03/2012CN102704534A Frequency-conversion booster water pump set
09/2012
09/27/2012WO2012126124A1 Automatic fluid flow shut-off system and method using optical sensors
09/27/2012US20120241032 Lid opening and closing device
09/26/2012EP2503069A1 Backflow preventer for installation between a sanitary appliance and water mains
09/26/2012EP2503068A2 Sanitary or heating assembly with at least one electronically controlled fitting
09/26/2012CN202450578U Non-pressure water supply device with hygiene-grade fast-mounting butterfly valves
09/26/2012CN202450575U Energy-saving self water storage device
09/26/2012CN202450573U Crucible circulating water emergency water supplement device
09/26/2012CN202450572U Non-negative pressure frequency conversion water supply equipment capable of being assembled and disassembled conveniently
09/26/2012CN202450428U Small-bore pipe crossing water delivery structure
09/26/2012CN102691337A Backflow prevention device
09/26/2012CN102691336A Two-in-one constant pressure variable frequency water supply system
09/26/2012CN102691335A Parallel water pump pipe cooling system
09/25/2012US8272393 Switchover valve
09/20/2012WO2012124911A2 Pipe having a heater
09/20/2012US20120234397 Liquid separation systems for installing in liquid distribution systems, and components, kits and methods therefor
09/20/2012DE102011013955A1 Verfahren und Vorrichtung zum selbsttätigen Spülen Method and apparatus for automatically flushing
09/19/2012EP2500475A2 Method and advice for self-actuated rinsing of pipes
09/19/2012EP2499407A1 Gas valve
09/19/2012CN202440883U Direct drinking water supply system for hotel
09/19/2012CN202440880U Application device of telescopic water storage sleeve in household tap water well anti-freezing
09/19/2012CN202440879U Emergency dry type firefighting water supply pipe network device
09/19/2012CN202440878U Water-saving control device
09/19/2012CN202440877U Stable pressure signal acquisition system
09/19/2012CN202440876U Intelligent pipe network control system
09/19/2012CN202440872U Water filling system
09/19/2012CN102686813A Tap liquid savings in a liquid distribution system
09/19/2012CN102677740A Water distribution pressure control system
09/12/2012EP2498007A1 Thermal insulation device for a hydraulic control assembly
09/12/2012CN202430774U Full-automatic pressure-compensating zone pressure-superposed water supply equipment
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