| Patents for E03B 7 - Water main or service pipe systems (5,081) |
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| 07/17/2013 | DE202013004841U1 Vorrichtung zum Reduzieren der Kalkbelastung in durch Leitungen geführtem Wasser Apparatus for reducing the load of lime in led by pipes water |
| 07/17/2013 | CN203067867U Siphon preventing device |
| 07/17/2013 | CN203066168U Numerical control water supply device for testing of gas water heater |
| 07/17/2013 | CN203066167U Constant-pressure water supply device |
| 07/17/2013 | CN203066161U Multifunctional intelligent antifreezing control device of water supply and drainage pipeline |
| 07/17/2013 | CN203066160U Negative-pressure suppressor |
| 07/17/2013 | CN203066159U Automatic water feeding system |
| 07/16/2013 | DE202013003858U1 Nachspeisung von Trinkwasser in einen beliebigen Behälter Replenishment of potable water in any container |
| 07/16/2013 | CA2570161C Automatic stagnant water flushing system |
| 07/10/2013 | CN203049687U Non-negative pressure water supply equipment |
| 07/10/2013 | CN203049684U Water storage apparatus |
| 07/10/2013 | CN203049683U Constant-pressure water supply device of water treatment equipment |
| 07/10/2013 | CN203049682U Circulating water supply device for container hydrostatic test |
| 07/10/2013 | CN203049681U Differential-pressure variable water pond suction-stroke-free two-purpose water supply system |
| 07/10/2013 | CN203049675U Automatic exhaust and water taking device for vacuum water sucking of photovoltaic pumping system |
| 07/10/2013 | CN203043672U Water supply equipment cleaning device |
| 07/10/2013 | CN103195136A Double-protection safety energy-saving secondary water supply device |
| 07/09/2013 | US8479765 Water faucet assembly |
| 07/03/2013 | CN203037474U Universal testing bench of water source automatic switcher |
| 07/03/2013 | CN203034538U Novel non-negative pressure water supply device |
| 07/03/2013 | CN203034537U Constant pressure control system for injection utilized water for pharmaceutical enterprise |
| 07/03/2013 | CN203034532U Integrated box type intelligent water supply station |
| 07/03/2013 | CN203034530U Water pipe water-saving device |
| 07/03/2013 | CN203034529U Modular pipeline |
| 07/03/2013 | CN203034528U Cooling water constant pressure system |
| 07/03/2013 | CN203034492U Reinforced concrete pipe ditch deformation seam |
| 07/03/2013 | CN203033837U Water reservoir filtering system |
| 07/03/2013 | CN103184754A Pressurizing and flow-stabilizing water supply equipment of non-negative pressure pipe network |
| 07/03/2013 | CN102171398B 水管理系统 Water Management System |
| 06/26/2013 | EP2605870A1 Method and apparatus for the sectional cleaning, along with simultaneous disinfection, of buried pipelines in the public drinking water network |
| 06/26/2013 | EP2605837A2 Sprinkler installation with recirculation circuit |
| 06/26/2013 | CN203023747U Anti-freezing water faucet |
| 06/26/2013 | CN203022066U Mute type water supply system |
| 06/26/2013 | CN203022064U Unit and device for regularly switching water supply mechanism |
| 06/26/2013 | CN203022056U Automatic water supply system of large-scale duck breeding factory |
| 06/26/2013 | CN103174192A Application technology for telescopic water storage sleeve used in household tap water well for freeze prevention |
| 06/26/2013 | CN103174188A Energy-saving full-automatic water pumping system |
| 06/25/2013 | US8468804 Exhaust line for an internal-combustion engine having a shut-off valve with a diagnostic capability |
| 06/19/2013 | EP2604760A1 Water-saving device |
| 06/19/2013 | CN203008034U Icing preventer for probing water pipe |
| 06/19/2013 | CN203008033U Supercharging water supply device for water supply system |
| 06/19/2013 | CN203008032U Non-negative pressurized constant-current device |
| 06/19/2013 | CN103161197A Automatic freeze-proofing device of water pipe |
| 06/19/2013 | CN103161196A Purification detecting supply device of tap water |
| 06/19/2013 | CN103161195A Novel non-negative-pressure water supply device |
| 06/19/2013 | CN101889119B Manufacture of heat trace cable, design, installation, and management, and method thereof |
| 06/13/2013 | DE102011120838A1 Coupling device for attaching plastic pipelines in transmission and distribution system, has connectors immovable relative to housing sections in axial direction, where one of connectors non-rotated relative to one of sections |
| 06/12/2013 | CN202990016U Energy-saving constant-temperature constant-pressure circulating water supply system |
| 06/12/2013 | CN202990015U Novel mute water supply equipment without negative pressure |
| 06/12/2013 | CN202990014U Novel steady-flow and steady-pressure bidirectional compensator |
| 06/12/2013 | CN202990013U Cooling water circulation system |
| 06/12/2013 | CN202990012U Auxiliary electrical heating type anti-freeze water pipe |
| 06/06/2013 | WO2013081330A1 Apparatus for preventing water gauge from freezing and bursting |
| 06/05/2013 | CN202969469U Water supply control device and apparatus of switchable standby apparatus |
| 06/05/2013 | CN202969464U Uninterrupted automatic water distribution device |
| 06/05/2013 | CN202969462U Water-station wireless communication management system |
| 06/05/2013 | CN202969461U Wine-making water taking device |
| 06/05/2013 | CN202969460U Geothermal water semi-open type pipe net delivery system |
| 06/05/2013 | CN202969455U Rural area household wall-mounted water device |
| 06/05/2013 | CN202969453U Small-sized self-control flow-stable type no-negative pressure overlying and pressure-boost water supply equipment |
| 06/05/2013 | CN103133868A Method for improving reliability of water supply pipe network |
| 06/05/2013 | CN103132563A Non-pressure water supply equipment with sanitary quick butterfly valves |
| 06/05/2013 | CN103132561A Water supply device for golf course and farm |
| 06/05/2013 | CN103132558A Intelligent water supply system |
| 05/30/2013 | WO2013076721A1 Method and apparatus for monitoring a network of conduits |
| 05/29/2013 | EP2596180A2 Chlorinators and other fluid receiving devices |
| 05/29/2013 | DE102011119263A1 Backup fitting e.g. system separator, for drinking water supply system, has water consumer connected to discharge adapter over threaded connection, and permanent line connected to supply adapter over form-fit or force-fit connection |
| 05/29/2013 | CN202954399U Hog-house water route system |
| 05/29/2013 | CN101553640B Heater, method for heating hydrocarbon-containing stratum using the heater, produced hydrocarbon composition and transportation fuel |
| 05/28/2013 | US8448664 Fluid control device with fluid temperature display |
| 05/23/2013 | WO2013042895A3 Device for preventing freezing before water is supplied to an artificial snow spraying system |
| 05/23/2013 | US20130126641 Machined springs for injector applications |
| 05/23/2013 | US20130126023 Hydraulic system with energy regeneration |
| 05/23/2013 | DE102011055642A1 Method for preventing damages by leakages in e.g. gas pipelines in chemical industry, involves closing shut-off device when controller does not receive signal from secondary flowmeter during receiving signal from primary flowmeter |
| 05/22/2013 | CN103114642A Construction method for lead opening and ash opening of cast-iron drainage pipeline and vent device |
| 05/21/2013 | US8443985 Liquid supplying member, negative pressure unit, and liquid discharging apparatus |
| 05/15/2013 | EP2592191A2 Tubular connection element |
| 05/15/2013 | CN202938690U Water supply timed-pressurizing automatic control device of heat exchanger |
| 05/15/2013 | CN202936849U Variable frequency constant pressure water supply device |
| 05/15/2013 | CN202936847U Small-scale water supply device |
| 05/15/2013 | CN202936844U Fire-fighting water supply equipment for construction of high-rise buildings |
| 05/15/2013 | CN202936842U Water leakage preventing device for residential building |
| 05/15/2013 | CN202936841U Medicine running water supply pressurization device |
| 05/15/2013 | CN202936840U Equipment-cooling water circulation system |
| 05/15/2013 | CN202936839U Long-distance and high-lift water conveying pressure device |
| 05/15/2013 | CN202936838U Device for collecting and using snow mountain melt water |
| 05/15/2013 | CN202936836U Tunnel water supply device for severe cold regions |
| 05/15/2013 | CN103104008A Pressure-superposed water supply device |
| 05/09/2013 | US20130112628 Treatment solution supply method, non-transitory computer storage medium and treatment solution supply apparatus |
| 05/08/2013 | DE102011055138A1 Rohrförmiges Verbindungselement A tubular connection element |
| 05/08/2013 | CN202927361U Integrated apparatus for pipeline filtering, water hammer elimination, and frost-cracking prevention |
| 05/08/2013 | CN202925612U Automatic water supplementation system of pool |
| 05/08/2013 | CN202925610U Non-negative pressure water supply equipment |
| 05/08/2013 | CN202925605U A prefabricated assembly-type square reinforced concrete culvert |
| 05/08/2013 | CN202925604U Glass reinforced plastics water supply pipe |
| 05/08/2013 | CN202925603U Non-negative pressure variable frequency water supply equipment |
| 05/08/2013 | CN202925598U Silence type pipeline non-negative pressure water supply device |
| 05/08/2013 | CN103089292A Water supply pipe overpressure relieving and spraying device |
| 05/08/2013 | CN103088873A Cold region tunnel fire fighting pipeline solar energy-ground source heat pump united heat storage heating system |
| 05/08/2013 | CN103088872A Water supplying system for flow device |