| Patents for E03B 7 - Water main or service pipe systems (5,081) |
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| 02/05/2014 | CN102605832B Intelligent tap water control equipment and method |
| 01/30/2014 | WO2014016438A1 Water removal storage system and method |
| 01/30/2014 | WO2013175201A3 Separator device for heating system |
| 01/30/2014 | WO2013050774A3 Fire main cleaning apparatus and method |
| 01/30/2014 | US20140026967 Hydrant flushing device |
| 01/30/2014 | US20140026928 Apparatus for purging water from a plumbing installation |
| 01/29/2014 | CN203412258U Pipe well wall for pipe positioning of subsidiary solar water heater pipeline |
| 01/29/2014 | CN203412044U Pneumatic water supply unit |
| 01/29/2014 | CN203412034U 稳压罐 Surge tank |
| 01/29/2014 | CN203412033U High-rise circulating water pressurizing device |
| 01/29/2014 | CN203412032U Cooling water recycling device with sterilizing pots |
| 01/29/2014 | CN203412029U 供水系统 Water supply system |
| 01/29/2014 | CN103541407A Water-taking mechanism of sewage source heat pump system and sewage source heat pump system with same |
| 01/29/2014 | CN103541401A Mixing station and water supply control system, method and device thereof |
| 01/29/2014 | CN102312467B Stable air-pressure fire water supply system |
| 01/23/2014 | WO2014014332A1 Mechanical instantaneous recirculation system for saving water in showers by storing water in a temporary tank in the shower and by means of automatic re-mixing |
| 01/23/2014 | WO2014014256A1 Apparatus and method for preventing water pipe from freezing |
| 01/23/2014 | WO2013117993A3 Transportable sanitary unit |
| 01/23/2014 | WO2013041699A9 Building water safety device |
| 01/22/2014 | CN203403475U Integrated purification, storage and transport device for underground water |
| 01/22/2014 | CN203403474U Gravity rotating plate type overflow pipeline pest preventing device |
| 01/22/2014 | CN203403473U Net-type overflow pipeline insect prevention device |
| 01/22/2014 | CN203403472U Intelligent water-saving system |
| 01/22/2014 | CN203403471U Laminated and intelligent secondary water supply device without negative pressure |
| 01/22/2014 | CN203403470U I-shaped fluid conveying pipeline system |
| 01/22/2014 | CN103526801A Intelligent pressure-stabilizing and flow-stabilizing device |
| 01/21/2014 | US8631815 Pump attachment interface providing a fixed link between a pump line coupled to a mobile tank and a line disposed in a reservoir |
| 01/15/2014 | CN203393784U Water storage type non-negative-pressure water supply device |
| 01/15/2014 | CN203393781U Pot-type negative-pressure-free water supply device |
| 01/15/2014 | CN203393778U Overflow pipe baffle insect-prevention device |
| 01/15/2014 | CN203393777U Insect prevention device of elastic rotating plate type overflow pipeline |
| 01/15/2014 | CN203393776U Non-negative pressure pipe network pressure-boosting and flow-stabilizing water supply device |
| 01/15/2014 | CN103510581A Pressure-superposed water supply equipment of intelligent water tank pressurization pipe network |
| 01/09/2014 | WO2014007467A1 Water treatment apparatus integrally formed with meter and using magnets |
| 01/09/2014 | US20140008451 Irrigation systems, irrigation components and related methods |
| 01/08/2014 | EP2682533A1 Gas supply system with an emergency device |
| 01/08/2014 | CN203383284U Reclaimed water utilization system provided with tap water conversion system |
| 01/08/2014 | CN203383270U Automatic water-adding control system of casting sand mixer |
| 01/08/2014 | CN203383269U Automatic control device for wallpaper printing circulating water |
| 01/08/2014 | CN203383267U Integrated three-cavity type steady flow compensation system |
| 01/08/2014 | CN103498494A Anti-freezing sewage collection system and anti-freezing method of same |
| 01/03/2014 | WO2013163050A3 Tubular plastic hydrant |
| 01/01/2014 | CN203373815U System utilizing solar water heating system for preventing freezing and preserving heat for fire water tank compartment |
| 01/01/2014 | CN203373813U Automatic water supplying device of water tank |
| 01/01/2014 | CN203373812U Non-negative-pressure water supply system with multiple current stabilizing tanks |
| 01/01/2014 | CN203373811U Water supply and return system convenient to start and stop of fire-fighting centrifugal pump |
| 01/01/2014 | CN203373806U Long-distance multi-level closed loop water delivery device |
| 01/01/2014 | CN103485391A Method and device for supercharging drinking water pipe network and circularly sterilizing forced returned water of drinking water pipe network |
| 01/01/2014 | CN103485389A Steady-pressure water supply system for pharmaceutical workshop |
| 01/01/2014 | CN103485388A Water conveying pipeline system with multiple filter function and machining die and method |
| 01/01/2014 | CN103485387A Canal-irrigation-area pipe water delivery irrigation system |
| 01/01/2014 | CN103480660A Independent water supply method and device for pre-through-water cooling device before bar material finish rolling |
| 12/27/2013 | CA2848093A1 Breather cap assembly |
| 12/27/2013 | CA2788371A1 Breather cap assembly |
| 12/26/2013 | US20130340869 Mixing valve |
| 12/26/2013 | US20130340853 Plumbing fixture with integrated mixing valve |
| 12/26/2013 | US20130340848 Mixing valve |
| 12/26/2013 | US20130340846 Plumbing fixture with heating elements |
| 12/26/2013 | US20130340839 Valve disinfecting method |
| 12/26/2013 | US20130340831 System and method for remotely disinfecting plumbing fixtures |
| 12/25/2013 | CN203361247U Pipe network pressure-superposed full-variable-frequency water supply equipment |
| 12/25/2013 | CN203361246U Air bag type constant pressure water supplementing device |
| 12/25/2013 | CN203361240U 供水系统 Water supply system |
| 12/25/2013 | CN203361239U Pre-conversion system of water pump |
| 12/25/2013 | CN203361232U Water supply system |
| 12/25/2013 | CN203361231U Non-tower water supply device |
| 12/25/2013 | CN203360167U Multi-waterway combined supply system controlled through touch panel |
| 12/25/2013 | CN103471166A Water supply and air-conditioning energy-saving system capable of comprehensively utilizing solar energy and wind power for high-rise building |
| 12/25/2013 | CN103469851A Fire hydrant |
| 12/18/2013 | CN203348911U Ultra-pure medium conveying integrated system |
| 12/18/2013 | CN203346957U Dual-seal type vacuum suppressor |
| 12/18/2013 | CN203346956U Water heating household metering control box |
| 12/18/2013 | CN203346955U Household control box |
| 12/18/2013 | CN203346954U Tank-type overlaid water feeding device |
| 12/18/2013 | CN203346953U Energy-saving device for non-negative pressure water supply equipment |
| 12/18/2013 | CN203346952U Variable pressure adaptive water supply control system based on embedded type processor |
| 12/18/2013 | CN203346951U Hydraulic testing multifunctional energy-saving device for pressure container |
| 12/18/2013 | CN203346950U Hidden laying structure for temporary water supply pipes of high-rise building |
| 12/18/2013 | CN203346947U Water supplying apparatus with frequency conversion and constant pressure and used for terrestrial heat air conditioning system |
| 12/18/2013 | CN103452165A Connecting structure and connecting method for water delivery pipe and steel pipe |
| 12/11/2013 | CN203334356U Chemical laboratory water-saving device capable of actively preventing water deterioration inside water storage structure body |
| 12/11/2013 | CN203334354U Chemical laboratory water-saving device of water storage structure body provided with water quality maintaining mechanism |
| 12/11/2013 | CN203334353U Chemical laboratory water-saving device provided with water quality maintaining mechanism and comprising heat storage link |
| 12/11/2013 | CN203334351U Thermal insulation device for outdoor water landscape in winter |
| 12/11/2013 | CN203334348U Turbid circulating water pipeline for washing filter cloth of filter press |
| 12/11/2013 | CN103443366A Gas purge valve with actuation sensor |
| 12/11/2013 | CN103437401A Automatic sterilization water supply unit |
| 12/11/2013 | CN103437400A Pressure control system for water supply pipe network |
| 12/05/2013 | WO2013180566A1 Waste water treatment system; waste water treatment plant; operation method |
| 12/05/2013 | WO2013178553A1 Water connection arrangement with combined water distributor and water collector |
| 12/05/2013 | WO2013177626A1 Silt control in fluid networks |
| 12/05/2013 | WO2013014225A3 System for pipe treatment |
| 12/05/2013 | DE102012209318A1 Wasseranschlussanordnung mit kombiniertem Wasserverteiler und Wassersammler Water supply arrangement with combined water distribution and water collector |
| 12/04/2013 | EP2668347A1 Gas purge valve with actuation sensor |
| 12/04/2013 | CN203320906U Compound passage system having solar water heater tubes for multi-story buildings |
| 12/04/2013 | CN203320626U Pressure synchronous tracking control system of water supply system |
| 12/04/2013 | CN203320619U Water faucet on which bucket can be hung for collecting water |
| 12/04/2013 | CN203320618U Pipe network overlapping pressure water supply device |
| 12/04/2013 | CN203320617U Pipe network overlapping pressure water supply equipment |
| 12/04/2013 | CN203320616U Low-energy-consumption pump station |