Patents for E03B 7 - Water main or service pipe systems (5,081)
09/2013
09/18/2013CN203200820U Mining water circulation device effectively preventing overflowing
09/12/2013US20130233414 Quiescent Zone Fluid Filter
09/12/2013DE102011055138B4 Rohrförmiges Verbindungselement A tubular connection element
09/11/2013CN203188289U Spray header anti-icing system for exterior wall
09/11/2013CN203188288U Tap water dredging valve
09/11/2013CN203188287U Intelligent self-supporting type tap water supply system supercharging device
09/11/2013CN203188286U Commercial cooking stove tail pot automatic water feeder
09/11/2013CN203188285U Horizontal type tank pump pipe network pressure-superposed water supply device
09/11/2013CN203188284U Multi-functional negative-pressure-prevention controller
09/11/2013CN203188283U Negative-pressure-prevention inline pump pipe network pressure-superposed variable frequency water supply device
09/11/2013CN203188282U Tap water tube explosion monitoring system
09/11/2013CN203188277U Energy-saving full-automatic water pumping system
09/11/2013CN203188276U Intelligent low-flow energy-saving control system
09/11/2013CN103290884A Method for synchronously adjusting flow of multiple tail end branch pipes of water supplying system
09/10/2013US8528594 Hydraulic system with leakage fluid removal
09/04/2013CN203176471U Water supply control device capable of controlling water inflow pressure
09/04/2013CN203174686U Intelligent automatic flow water supplying system
09/04/2013CN203174682U Automatic antifreezing device for water pipe
09/04/2013CN203174681U Water pipe defroster
09/04/2013CN203174680U Novel water pipe freeze-proofing device
09/04/2013CN203174679U Non-negative pressure control device
09/04/2013CN203174678U Vacuum suppressor for non-negative-pressure device
09/04/2013CN203174677U Novel water supply device with water quality improving module
09/04/2013CN203174676U Pre-opening pressure relief device
09/04/2013CN203174675U Water pressure controller with precision adjusting function and non-return function
09/04/2013CN203174674U Foreign-shaped pipe duct structure for circulating water of power plant
09/04/2013CN203174673U Fire water supply system of jointly-used water pump adapters
09/04/2013CN203174672U Automatic-timing water volume controlling device
09/04/2013CN103276769A Water heater pipeline drainage structure
09/04/2013CN103276767A Integrated type pump-controlled fire water supply device
09/04/2013CN103276749A Urban rail traffic engineering civil air defense system
09/04/2013CN102505734B Secondary constant-pressure water supply system of high-rise building
09/03/2013US8526801 Line connector for media lines
09/03/2013US8524174 Fluid cartridge, pump and fluid valve arrangement
09/03/2013US8522814 Water control valve assembly
09/03/2013DE202012102016U1 Wasseranschlussanordnung mit kombiniertem Wasserverteiler und Wassersammler Water supply arrangement with combined water distribution and water collector
08/2013
08/29/2013WO2013023933A3 Water supply system comprising a venturi pipe
08/28/2013EP2631375A1 Antifreeze device
08/28/2013CN203160325U Pipeline pressurization control system of water supply system
08/28/2013CN203160324U Household automatic energy-saving and anti-freezing water supply tank
08/28/2013CN203160318U Water supply control system
08/28/2013CN203160316U Water supply system based on programmable logic controller
08/28/2013CN103266646A Variable frequency variable pressure water supply implementation method and variable frequency variable pressure water supply implementation device
08/21/2013EP2628863A2 Water damage protection system
08/21/2013CN203149325U Variable-frequency constant-voltage water supply system
08/21/2013CN203145096U Overflowing water-draining device
08/21/2013CN203145094U Constant voltage variable frequency pump set integrated water supply system
08/21/2013CN103255808A Integrated ultra-silence water supply device
08/21/2013CN103255807A Intelligent multifunctional flow distribution system
08/21/2013CN103255806A Central circulating water supply system of workshops
08/21/2013CN101363235B Water boosting system and boosting method thereof
08/20/2013US8511335 Heat transfer reduction apparatus
08/16/2013DE202013103347U1 Schallschutzpfeife Sound insulation pipe
08/15/2013US20130206258 Valve with position sensor
08/14/2013CN203131972U Pressure stabilizer
08/14/2013CN203129253U Differential compensation box-type non-negative pressure energy-saving water supply system
08/14/2013CN203129250U Antifreezing tap-water pipe device
08/14/2013CN203129249U Hot water recycling system of bioengineering workshop
08/14/2013CN203129248U Water supply system of moisture regain of cut tobacco
08/14/2013CN203129247U Electricity generating water pipe
08/14/2013CN203129244U Funnel type water collector
08/14/2013CN203128327U Novel tap water production facility
08/14/2013CN103244726A Pressure-regulating variable-flow water economizer
08/13/2013US8505830 Water control fixture having bypass valve
08/07/2013EP2623464A1 Apparatus for preparing electrolyzed sterilizing water, and system and method for preparing electrolyzed sterilizing water, containing same
08/07/2013CN203113438U Supercharging device of water supply pipe networks
08/07/2013CN203113429U Draining and anti-freezing device of ship water supply pipeline
08/07/2013CN203113428U Inflation port protection device of diaphragm air-pressure jar
08/07/2013CN203113427U Mechanical-electrical integration type vacuum suppressor
08/07/2013CN203113426U Water supply pressure stabilization device for tobacco primary processing process
08/07/2013CN203113425U Regional ground source heat pump system source lateral water and reclaimed water public water supply pipe network system
08/07/2013CN103233496A Anti-icing method and system for spray header of exterior wall
07/2013
07/31/2013CN203096833U Ultra-silence non-negative pressure water supply device
07/31/2013CN203096826U Air water mixed-phase pressure storage tank
07/31/2013CN203096823U Water pipe anti-freezing device
07/31/2013CN203096822U Anti-frost-crack water pipe
07/31/2013CN203096821U Water supply device for melting furnace
07/31/2013CN203096820U Novel towerless water feeder protecting controller
07/31/2013CN203096819U Underground water supplying system of incubator spray water
07/31/2013CN203096818U Automatic alarming pressure reducing valve group
07/31/2013CN203096817U Water supplying machine emptier
07/31/2013CN203096816U Remote monitoring system based on constant pressure frequency converting control water supply network
07/30/2013US8496188 Pressure washer device employing a cool bypass
07/25/2013US20130186488 Regulating valve
07/24/2013EP2616597A2 An apparatus for purging water from a plumbing installation
07/24/2013CN203080604U Novel high-level pressure-stabilization water supply equipment set
07/24/2013CN203080597U Device for dredging frozen sewer pipe
07/24/2013CN203080596U Wintertime water pipe anti-icer
07/24/2013CN203080595U Water supply pipe ultralimit pressure-relief spraying device
07/24/2013CN203080594U Water supply system for flow device
07/24/2013CN203080593U Novel non-negative-pressure water supply equipment
07/24/2013CN203080592U Depressurizing and damping device of water supply pipe
07/24/2013CN203080586U Automatic water replenishing device
07/24/2013CN203080553U Buried type fire well flange
07/24/2013CN103215990A Wall-hanging type cabinet for storing non-potable water in reverse osmosis type water purifying machine
07/24/2013CN102278514B Water supply pipeline embedded part
07/23/2013US8490885 Integrated freeze protection and pressure relief valve
07/23/2013US8490638 Retrofit valve assembly kit for frost-resistant hydrant
07/18/2013US20130180611 Water control fixture having auxiliary functions
07/17/2013EP2614286A2 Pipeline fluid heating system
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