Patents for E03B 7 - Water main or service pipe systems (5,081)
01/2011
01/12/2011CN201704730U Automatic water controller
01/12/2011CN201704729U Pipe network pressure-superposition frequency conversion water supply system
01/12/2011CN201704728U Automatic water supply device of water purifier
01/12/2011CN201704727U Structure for preventing water supply and drainage pipes of building from dewing
01/12/2011CN101944269A Domestic tap water leakage alarm device
01/09/2011CA2709254A1 One-piece water meter pit frame
01/06/2011US20110000558 Washing machines
01/05/2011CN201696778U Special combined double-socket-and-basin three-way joint with pressed cement pipe opening
01/05/2011CN201695452U Water tank-type pressure-superposed water supply equipment
01/05/2011CN201695451U Water supplying device with independently controlled temperature, flow quantity and pressure
01/05/2011CN201695450U All-in-one machine with three functions of maintaining pressure, supplying water and discharging air
01/05/2011CN201695447U Purified water feeder
01/05/2011CN201695444U Siphon check valve
01/05/2011CN201695443U Dewing-prevention structure in reduced position of water supply and drainage pipeline for buildings
12/2010
12/30/2010US20100326545 Self-sealing pressure release apparatus and product treatment system incorporating the apparatus
12/30/2010US20100326538 Water recirculation system
12/29/2010CN201687039U Water pipe heat preservation system
12/29/2010CN201687038U Density board product line fire water supply piping network
12/29/2010CN201687037U Automatic water adding device for comprehensive mechanized mining face emulsified liquid pump station water tank and water tank
12/29/2010CN201687036U Household and commercial zero-sewage reverse osmosis device
12/29/2010CN101929569A Flap valve
12/29/2010CN101929180A Water supply system for popularizing utilization of reclaimed water and reducing energy consumption for cooling sitting room in summer
12/22/2010EP2264251A2 Drinking and domestic water system and method for operating such a system
12/22/2010CN201679039U Sanitation water supply and backup fire control linkage system
12/22/2010CN201679037U Secondary constant-pressure water supply device
12/22/2010CN201679033U Frost crack prevention pipe structure
12/22/2010CN101922175A Water-saving type closestool
12/16/2010WO2010143056A2 Devices for treating, sensing, or otherwise acting upon fluid
12/16/2010WO2010142914A1 Method for generating marked batches of water
12/16/2010US20100313973 Fluid-Controlled Electronic Games and Measurement Devices
12/16/2010US20100313966 Freeze Resistant Manifold Assembly and System
12/16/2010CA2760632A1 Devices for treating, sensing, or otherwise acting upon fluid
12/15/2010CN201671139U Fault self-shielding control device for pipe network pressure superposed water supply equipment
12/15/2010CN201671137U Water station for urban-rural concentrated individual water supply
12/15/2010CN1942635B 节水装置 Water-saving devices
12/15/2010CN101914933A Water supply device for tunnel
12/15/2010CN101265715B Water collecting and diversifying device
12/09/2010WO2010139019A1 A water supply system
12/08/2010CN101187215B Full-automatic current limiting type negative pressure-free pipe network Pressure-superposed water supply equipment
12/02/2010WO2010137749A1 Freeze protection valve using a phase change material
12/02/2010WO2010136027A1 Method for operating a backflushing filter
12/02/2010US20100300557 System and Method for Measuring Aeration of a Liquid
12/02/2010DE102009023171A1 Method for recognizing leakage at house connection line of drinking water supply system, involves determining temperature value by measurement within monitored area of fire-hydrant
12/02/2010DE102009003162A1 Apparatus for improving the quality of water, comprises a hollow chamber having an inlet opening and an outlet opening, and a ceramic mold made of clay and dividing the hollow chamber between the inlet opening and the outlet opening
12/01/2010CN201660929U Pipe medium-sized intelligent and silent pipe network laminating water supply equipment
12/01/2010CN201660928U Low-resistance backflow-preventing-type negative-pressure-free pressure-stacking water supplying device
12/01/2010CN201660925U Full-automatic pressure-superposed energy-saving variable frequency secondary water supply equipment for pipe network
12/01/2010CN201660924U Energy-saving pressurized water supply device with changed water tank height
12/01/2010CN101899853A Water-gas separation component control device
12/01/2010CN101308364B Water supply pipe network affair model modelling approach based on transient flow analysis
11/2010
11/25/2010US20100294383 Subsea accumulator monitoring system
11/25/2010CA2772545A1 Infrastructure monitoring devices, systems, and methods
11/24/2010CN201652829U Anti-freezing valve for gas water heater
11/24/2010CN201651434U Antifouling block valve
11/24/2010CN201651433U Isolating valve
11/24/2010CN201649185U Water storage tank with self circulating flow control and used in secondary water supply system
11/24/2010CN201649180U Automatic control device for water tank
11/24/2010CN201649178U Integral water tank type pipe network overlapped water supply equipment
11/24/2010CN201649177U Water supply equipment with pre-pressing vacuum inhibitor
11/24/2010CN201649174U Anti-freezing device of tap water supply terminal
11/24/2010CN201649173U Automatic heating and anti-freezing water pipe for outdoor
11/24/2010CN201649172U Household tap water leakage and escape protector
11/24/2010CN201649171U Water raiser
11/24/2010CN201649170U Shock isolation structure for water supply plant set
11/24/2010CN201649169U Backflow preventer capable of alarming
11/24/2010CN201649158U Automatic water source controller
11/24/2010CN101892688A Method for controlling pipe network pressure-superposed water supply system based on efficiency optimization of asynchronous motor
11/23/2010US7836966 Flow sensor and actuator
11/21/2010CA2704904A1 Pressure management control valve assembly
11/18/2010DE102009019984A1 Identification system for deep structural armature, comprises multiple identification marks for gas or liquid armature laid below ground level, where identification marks are electronic and communication identification marks
11/17/2010EP2251495A2 Water connection assembly with a connection piece for simplified fitting of a connection device, in particular a water treatment device
11/17/2010CN201635193U Embedded waterproof casing pipe
11/17/2010CN201635117U Tap water non-negative pressure non-pollution energy-storage pressure-stabilization water supply equipment
11/17/2010CN101889119A Manufacture of heat trace cable, design, installation, and management, and method thereof
11/17/2010CN101220606B Dual-control intelligent laminating water service system
11/11/2010US20100282342 Liquid supplying member, negative pressure unit, and liquid discharging apparatus
11/11/2010DE202010012271U1 Vorrichtung und System zum Konditionieren von Wasser für wasserführende Kreislaufsysteme Apparatus and system for conditioning water for water-circulation systems
11/10/2010CN201627228U Pipe network pressure superposition water-supply device
11/10/2010CN201627227U Fully-closed tank type non-negative pressure power supply equipment
11/10/2010CN101881977A Wireless meter reading system for urban water affairs
11/10/2010CN101881976A Automated wireless management control system for urban water affairs
11/10/2010CN101881084A Method for designing and using pond for cleaning solar silicon wafers
11/10/2010CN101881038A Water level controller with overvoltage protection
11/03/2010CN201620436U Water supply cut-off protector
11/02/2010US7823397 System and method for detecting clogged state of pipe of heat pump type multi-air conditioner
10/2010
10/28/2010WO2010122564A1 Water supply system with recirculation
10/28/2010US20100269929 Systems of and methods for fluid intakes and outlets that minimize environmental impact
10/28/2010US20100269926 Valve Device for a Compressed Air Supply Device and Compressed Air Supply System
10/27/2010CN201615253U 水管泄漏自动保护阀 Automatic protection valve pipe leak
10/27/2010CN201614618U 水管解冻专用装置 Thaw pipes dedicated device
10/27/2010CN201614617U 自来水管防冻地泵 Water pipe to pump antifreeze
10/27/2010CN201614616U 一种无负压给水设备负压抑制器 A non-negative suppressors negative pressure water supply equipment
10/27/2010CN201614615U 射流型管网叠压供水装置 Jet-type pipe network overlying water supply device
10/27/2010CN201614614U 气压潜水电泵式消防自动给水设备 Pneumatic submersible pump fire automatic water supply equipment
10/27/2010CN101871225A Water supply system with independently controlled temperature, flow and pressure
10/27/2010CN101871224A Suspension type mute non-negative-pressure variable frequency automatic water supply device
10/21/2010US20100263742 Water Shutoff System
10/21/2010US20100263572 Method for preventing elution of nickel from water-contact instrument of copper alloy by formation of a protective film
10/21/2010DE202010005704U1 Vorrichtung mit einem Warmwasseraufbereiter zur Aufnahme und Erhitzung einer Flüssigkeit sowie ein System zur Aufnahme der Flüssigkeit bei einer niedrigeren Temperatur With a warm water preparation device for receiving and heating a liquid and a system for holding the liquid at a lower temperature
10/20/2010CN201610568U 一种用于箱式无负压给水设备上的防负压装置 An anti-vacuum device box on the negative pressure water supply equipment for
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