| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 04/13/2011 | CN201794114U Domestic tap-water well anti-freezing device |
| 04/13/2011 | CN201794113U Antifreezing water supply device |
| 04/13/2011 | CN201794112U Water circulation device of emergency water tank |
| 04/13/2011 | CN201794111U Pipe network non-negative pressure direct drinking water supply device according to quality |
| 04/13/2011 | CN201794110U Cooling water supply pump outlet pipeline |
| 04/13/2011 | CN201794109U Energy-saving water supply plant for high-rise building |
| 04/13/2011 | CN102011417A Multifunctional automatic water supply system |
| 04/07/2011 | US20110079303 Portable fuel transfer unit |
| 04/06/2011 | CN201785807U Noise abatement noise reduction flow stabilization device |
| 04/06/2011 | CN201785806U Heat insulating device for tap water outdoor water pipes |
| 04/06/2011 | CN201785805U Tap water pipeline pressure control device |
| 04/06/2011 | CN201785804U Diaphragm type non-negative pressure variable-frequency water supply device with double-control tank |
| 04/06/2011 | CN201785803U Separating non-negative pressure frequency conversion water supply device with pumps in pipes |
| 04/06/2011 | CN201785802U Buried pipeline laying structure for residential buildings |
| 04/06/2011 | CN102002968A Water taking device |
| 03/30/2011 | CN201778363U Automatic water supply system used for high-rise building construction water |
| 03/30/2011 | CN201778359U Automatic water supplement switching device |
| 03/30/2011 | CN201775893U Fire box and pump integrated intelligent constant pressure water supply equipment |
| 03/30/2011 | CN101994332A Water storage pressurization system and transverse pressure-bearing water storage tank used in same |
| 03/30/2011 | CN101991928A Firefighting box-pump integrated intelligent pressurization and voltage regulation water supply equipment |
| 03/30/2011 | CN101323481B High speed water supply aerating biological filter and method for pretreating micro-polluted raw water using the same |
| 03/30/2011 | CA2681284A1 Fail-safe fluid distribution system |
| 03/23/2011 | EP2299009A1 Connecting fitting |
| 03/23/2011 | CN201771022U Non-negative pressure water supply equipment |
| 03/23/2011 | CN201771020U Constant-pressure water supply system |
| 03/23/2011 | CN201771019U Frequency converter of constant-voltage water supply system |
| 03/17/2011 | US20110061748 Water appliance having a flow control unit and a filter assembly |
| 03/16/2011 | CN201764037U Industrial liquid dosage control device |
| 03/16/2011 | CN201762763U Water level controller with over-voltage protection |
| 03/16/2011 | CN201762762U Constant pressure type non-negative pressure water supply equipment |
| 03/16/2011 | CN201762761U Multifunctional automatic water supply system |
| 03/16/2011 | CN201762759U Anti-dewing structure at pipe clamp of water supply and drainage pipe in building |
| 03/16/2011 | CN201762758U Extendible full-automatic water supply device with plurality of frequency converters and electrically operated valves |
| 03/16/2011 | CN101985841A Ultrasonic water tank for secondary water supply for residents on top floor of high-rise building and control method thereof |
| 03/11/2011 | CA2712902A1 Horizontal pit mount interface device |
| 03/10/2011 | WO2011027272A2 Method for replacing an underground lead pipe without digging a trench |
| 03/09/2011 | EP2292851A1 Water pipe system with taps including a flushing channel between hot and cold water entries to prevent Legionella |
| 03/09/2011 | CN201756724U Water complementing system for head tank |
| 03/09/2011 | CN201756723U Automatic cool water constant-pressure exhaust device |
| 03/09/2011 | CN201756721U Water leakage control system for family tap water in the absence of human monitoring |
| 03/09/2011 | CN201756720U Variable-frequency constant-pressure water supply system |
| 03/03/2011 | US20110048542 system for wafer manufacture |
| 03/03/2011 | US20110048541 Vacuum Saturation Technique for Porous Aggregate Material |
| 03/02/2011 | EP2288761A1 Apparatus to pressurise mains water supply |
| 03/02/2011 | CN201753463U Water-air separation component control device |
| 02/24/2011 | WO2010143056A3 Devices for treating, sensing, or otherwise acting upon fluid |
| 02/24/2011 | WO2010127813A3 Shaft arrangement |
| 02/22/2011 | US7891370 Irrigation device with freeze member |
| 02/17/2011 | WO2011019000A1 Sluice valve for operations |
| 02/17/2011 | US20110036409 Filter, cooling injection member, and cooling wind injection method |
| 02/16/2011 | CN201747379U Shield independent watering system |
| 02/16/2011 | CN201746888U Negative-pressure free water supply supercharging equipment |
| 02/16/2011 | CN201746886U Dual quality water supply transformation system for existing roof tank and building water supply network |
| 02/16/2011 | CN201746883U Device for preventing artificial leakage under low water pressure |
| 02/16/2011 | CN201746882U Multifunctional water cylinder |
| 02/16/2011 | CN201746877U Water supply device in super high-rise building for living and fire-fighting |
| 02/16/2011 | CN201746876U Water supply unit provided with difference adjuster |
| 02/16/2011 | CN201746875U System for testing performance of overlapped water supply equipment |
| 02/16/2011 | CN101974928A Hot summer top floor ceiling surface type cooling structure device |
| 02/10/2011 | US20110030738 Copper alloy plumbing hardware, such as valves and tube couplings, and the treatment method for reducing elution of lead |
| 02/09/2011 | EP2282132A2 Vase comprising means for clearing water from micro organism, method for clearing water from micro organism in a vase. |
| 02/09/2011 | CN201738389U Water supply and storage tank |
| 02/09/2011 | CN201738388U Pipe network pressure-superposed variable-pressure water supply device |
| 02/09/2011 | CN201738385U Reverse flow compensation type mute laminated water supply equipment |
| 02/09/2011 | CN201738383U Pressure-stabilizing and frequency-converting water supply system of deep-well pump |
| 02/09/2011 | CN201738379U Fully-intelligent water tank control instrument |
| 02/09/2011 | CN201738377U Gauging killing well with equal-diameter water pipeline |
| 02/09/2011 | CN201738376U Semi-submersible type pump-in-pipe negative-pressure-free variable frequency water supply equipment |
| 02/09/2011 | CN201738375U Function display of water system without negative pressure |
| 02/09/2011 | CN201738374U Water saving device |
| 02/09/2011 | CN101967844A Quality grading water supply reforming method and system with roof water tank and building water supply pipe network |
| 02/03/2011 | WO2010096287A3 Apparatus and method for automatically disabling utilities |
| 02/03/2011 | US20110023967 Temporary drainage system and temporary drainage method |
| 02/02/2011 | EP2279304A1 Flow control device and flow control method |
| 02/02/2011 | CN201730148U Pressure-variable non-negative pressure water supply equipment |
| 02/02/2011 | CN201730146U Intelligent constant-pressure variable-output water supply device |
| 02/02/2011 | CN201730145U Top-pressure water supply equipment for fire fighting gas |
| 02/02/2011 | CN201730141U Running water pipe defrosting device |
| 02/02/2011 | CN201730140U Intelligent integrated vacuum suppressor |
| 02/02/2011 | CN201730139U 智能型无负压给水设备 Intelligent no negative pressure water supply equipment |
| 02/02/2011 | CN201730138U Differential-pressure variable-type suction lift-free supercharging equipment |
| 02/02/2011 | CN201730137U Novel water tank intake pipeline system |
| 02/02/2011 | CN201730136U Processing device for supplying auxiliary scheduling data of water supply network |
| 02/02/2011 | CN201730135U Ultra-high pressure container rapid water filling system |
| 01/27/2011 | US20110017323 Method and apparatus for inline testing |
| 01/27/2011 | DE102009034659A1 Bedienvorrichtung Operating device |
| 01/26/2011 | CN201723892U Multipath common-pipe inlet water divider |
| 01/26/2011 | CN201722735U High steady flow compensation water supply device |
| 01/26/2011 | CN201722734U Parallel frequency-conversion energy-saving water feeding system of no-negative-pressure water pond |
| 01/26/2011 | CN201722731U Integrated water supply device |
| 01/20/2011 | WO2011006215A1 Barrier device for water reticulation component |
| 01/19/2011 | CN201713863U Anti-dewing structure for two continuous bent pipes of water supply and drainage pipeline of building |
| 01/19/2011 | CN201713862U Vacuum balance current stabilizer |
| 01/19/2011 | CN201713861U Solar frequency conversion auxiliary constant-pressure water-supply energy-saving control system |
| 01/19/2011 | CN201713338U Water pipe rotating connection mechanism for water purifier |
| 01/19/2011 | CN101949162A Fire hydrant freeze-proofing method and device by geothermal energy |
| 01/19/2011 | CN101949161A Water supply terminal device for municipal water network |
| 01/19/2011 | CN101092821B Pot without negative pressure |
| 01/12/2011 | CN201704732U Energy-saving sterile water supply device |
| 01/12/2011 | CN201704731U Annular water pipe clamp |