| Patents for E03B 7 - Water main or service pipe systems (5,081) |
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| 03/13/2013 | CN202787388U Outdoor fire hydrant compression system with functions of boosting pressure and stabilizing pressure |
| 03/13/2013 | CN202787387U Safety device used for protecting downstream pipeline of cascade supercharging midway pumping station |
| 03/13/2013 | CN202787386U Non-negative pressure pump station with water hammer protection function |
| 03/13/2013 | CN202787377U Intelligent non-suction-head pressure-superposed water supply system |
| 03/13/2013 | CN202787376U Real estate water supply system used for pressurization of tap water |
| 03/13/2013 | CN102966766A Through-wall antifreezing valve |
| 03/13/2013 | CN102966143A Automatic water supplement system and method of water tank |
| 03/07/2013 | WO2013033297A2 Frost proof sillcock system |
| 03/07/2013 | WO2013013088A8 System and methods for delivering water to a site of use |
| 03/06/2013 | DE202012012276U1 Vorrichtung zum Reinigen einer häuslichen Wasserleitung und/oder zur Aufrechterhaltung der Wasserqualität Apparatus for cleaning a domestic water line and / or the maintenance of water quality |
| 03/06/2013 | CN202767179U Non-negative pressure water supply equipment |
| 03/06/2013 | CN202767178U Energy-saving adaptive control system for intelligent multi-pressure water supply |
| 03/06/2013 | CN202767176U Ultra-silence box-type non-negative pressure variable frequency water supply device for pipe-inside pumping set |
| 03/06/2013 | CN202767174U Water supply system |
| 03/06/2013 | CN202767170U Backflow prevention device |
| 03/06/2013 | CN202767169U Frequency conversion booster water pump set |
| 03/06/2013 | CN202767168U Multistage long-distance booster pump station |
| 03/06/2013 | CN202767167U Combined booster pump station |
| 03/06/2013 | CN102953409A Novel negative-pressure-free purification automatic water feeding equipment |
| 03/05/2013 | US8387657 Methods and apparatus to determine a position of a valve |
| 03/05/2013 | US8387656 Pressure monitoring device for a paint spray gun |
| 03/05/2013 | CA2485010C Temperate water supply system |
| 02/27/2013 | CN202755405U Flow stabilization tank |
| 02/27/2013 | CN202755403U Multi-direction transferring well for long-distance large-pipe-diameter underground water delivery main pipe system |
| 02/27/2013 | CN202755402U Fully mechanized coal mining face turbine technology transmission system waterway system |
| 02/27/2013 | CN202755401U Long-distance large-pipe-diameter underground water delivery main pipe system |
| 02/27/2013 | CN202755400U Emergency water supply unit for low water pressure areas |
| 02/27/2013 | CN102943508A Small water supply system and constant-pressure control method thereof |
| 02/27/2013 | CN102943507A Rural tower-free aseptic hygienic automatic water supply device |
| 02/27/2013 | CN102943506A Automatic water pumping machine |
| 02/27/2013 | CN102943502A Public ground source water and reclaimed water supply pipe network system of local ground-source heat pump system |
| 02/21/2013 | US20130042932 Air Supply Device for a Vehicle Having Pneumatic Devices |
| 02/20/2013 | CN202745125U Water tank water supply control system with purification function |
| 02/20/2013 | CN202745117U Surge tank water supply control system with purification function |
| 02/20/2013 | CN202745116U Coke quenching device for coking production |
| 02/20/2013 | CN202745113U Thermal-energy circulated energy-saving water supply system |
| 02/14/2013 | US20130037116 Fluid distribution system with filtration |
| 02/14/2013 | DE102011110153A1 Wasserversorgungssystem mit Venturirohr Water supply system with venturi |
| 02/13/2013 | CN202730851U Multifunctional non-negative pressure water supply equipment for horizontal type tank pump |
| 02/13/2013 | CN202730844U Multi-water-source adjustable fluidic device |
| 02/13/2013 | CN202730843U Water resource recycling device |
| 02/13/2013 | CN202730835U Double-pipe water supply device |
| 02/13/2013 | CN102926432A Superposition water supply device |
| 02/13/2013 | CN102926430A Air pressure water supply device |
| 02/13/2013 | CN102031801B Steam condensate water recovering method and special device thereof |
| 02/12/2013 | US8371330 Valve device |
| 02/08/2013 | DE202011051877U1 Filtersystem mit schwimmender Beschickung Filter system with floating feed |
| 02/07/2013 | WO2013017938A1 Installation, device and method for eliminating the waste of water when the cold water faucet is opened |
| 02/06/2013 | CN202718180U Novel non-negative pressure water supply device |
| 02/06/2013 | CN202718174U Intelligent non-negative-pressure water supply equipment |
| 02/06/2013 | CN202718173U Cooling water automatic cycle and supplement device |
| 02/06/2013 | CN202718172U Water supply system for building |
| 02/06/2013 | CN102912827A Integral intelligent silent pipe network laminated water supply equipment |
| 01/31/2013 | WO2013013424A1 Multifunctional water segregator |
| 01/31/2013 | US20130025269 Device for providing a liquid reducing agent and motor vehicle having the device |
| 01/30/2013 | CN202706113U Passive circulating water supply system for buffet |
| 01/30/2013 | CN202706108U Partial pressure water supply apparatus |
| 01/30/2013 | CN202706105U Anti-freezing water delivery device |
| 01/30/2013 | CN202706104U Automatic variable-frequency constant-pressure water supply controller |
| 01/30/2013 | CN202706103U Double-power fire water supply device |
| 01/30/2013 | CN202706102U 防冻水管 Freezing pipes |
| 01/30/2013 | CN102033969B Water supply network management system and method |
| 01/28/2013 | CA2783943A1 Excess flow valve |
| 01/24/2013 | WO2013013088A2 System and methods for delivering water to a site of use |
| 01/24/2013 | US20130019769 Screen printing ink pump with filter |
| 01/23/2013 | EP2549192A2 Method for circulating water through the inside of a pipeline |
| 01/23/2013 | EP2547831A2 Pressure relief apparatus for hydropneumatic vessel |
| 01/23/2013 | CN202689108U Automation water supply plant routing inspection control system |
| 01/23/2013 | CN202689104U Non-negative-pressure and variable-frequency constant-voltage water supply equipment control system for rural water drinking |
| 01/23/2013 | CN202689103U Constant pressure circulation water pipeline system |
| 01/23/2013 | CN202689102U Constant-pressure scaling-resistant water supply device |
| 01/23/2013 | CN202689101U Constant voltage frequency conversion water supply equipment |
| 01/23/2013 | CN202689096U Water taking mechanism of sewage source heat pump system and sewage source heat pump system with water taking mechanism |
| 01/23/2013 | CN202689094U Automatic water supplement device |
| 01/23/2013 | CN202689092U Improved water pressure shock-absorption stabilizer |
| 01/23/2013 | CN202689091U Water cut-off protector |
| 01/23/2013 | CN202689090U PPR (polypropylene random) water pipe system provided with scale removal sterilization device |
| 01/23/2013 | CN202689089U Constant-pressure water supply control device |
| 01/23/2013 | CN202689084U Water supplying equipment without low-frequency frequency conversion |
| 01/23/2013 | CN202689083U Water supply system for treating river water to urban and rural standard drinking water |
| 01/23/2013 | CN102888879A Non-negative pressure pump station with function of protecting water hammer |
| 01/23/2013 | CN102888878A 助推节能供水管 Boost energy supply pipe |
| 01/23/2013 | CN102888877A Small self-control steady-flow type pipe network negative-pressure-free laminated and discharged water supply equipment |
| 01/22/2013 | US8356627 Three-valves manifold for differential pressure type flow meter |
| 01/17/2013 | US20130014840 Pressurised hot air duct of an aircraft equipped with a device for detecting air leakage |
| 01/16/2013 | CN202672245U Negative pressure compensating water supply apparatus with overpressure protection device |
| 01/16/2013 | CN202672243U Box type booster water supply device with efficient water distributor |
| 01/16/2013 | CN202672242U Water supply device with disinfection and sterilization function |
| 01/16/2013 | CN202672241U Box type booster water supply device |
| 01/16/2013 | CN202672240U Water tank type negative-pressure-tank-free water supply control system for high-rise housing estate |
| 01/16/2013 | CN202672239U Negative-pressure-tank-free water supply control system for high-rise housing estate |
| 01/16/2013 | CN202672238U Water supply control system of self-provided well |
| 01/16/2013 | CN202672236U Water supply mechanism device with automatic air exhaust function and water supply mechanism with automatic air exhaust function |
| 01/16/2013 | CN202672231U Outdoor non-negative pressure water supply equipment with antifreezing function |
| 01/16/2013 | CN202672225U Mixed-flow pressure stabilizing tank of box-type supercharging water supply apparatus |
| 01/16/2013 | CN202672224U Non-negative pressure water supply equipment capable of offering purified drinking water |
| 01/16/2013 | CN202672217U Non-negative pressure water supply equipment with electric heater |
| 01/16/2013 | CN202672216U Novel ultraviolet sterilizing non-negative pressure water supply equipment |
| 01/16/2013 | CN102878386A Impermeable rust-proof flange design for water supply and drainage pipe when passing through geomembrane |
| 01/16/2013 | CN102877510A Pressured water supply system |