| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 11/07/2007 | CN101067306A Water supply system and three-pipe integrated drinking separated water supply pipe and assembling fittings |
| 11/06/2007 | US7290558 Modular and mobile waste and/or hazardous liquid containment and collection shower system |
| 11/06/2007 | CA2407422C Backflow preventer apparatus and method with integration of shut-off valves |
| 10/31/2007 | DE202007009830U1 Wasseraufbereitungsanlage Water treatment plant |
| 10/31/2007 | CN200967972Y Landscape type water supply apparatus |
| 10/31/2007 | CN200967971Y Integrated intelligent mute pipe network overlying feed water equipment |
| 10/31/2007 | CN200967970Y Nonvacuum pot |
| 10/31/2007 | CN200967969Y Novel pipe network pressure-superposed water supply equipment |
| 10/31/2007 | CN101063312A Method for preventing freezing-bursting of waterpipe |
| 10/31/2007 | CN101063311A Buried type stacked-pressing non-negative-pressure life fire-fighting common feed water equipment |
| 10/30/2007 | US7287707 Water control fixture having thermostatically controlled bypass valve |
| 10/24/2007 | CN200964604Y Water tank integrated network pressure-superposition water-supply apparatus |
| 10/24/2007 | CN200964603Y Network pressure-superposition water-supply apparatus |
| 10/24/2007 | CN200964602Y Electricity-saving device of frequency-variable constant-pressure water-supply apparatus |
| 10/23/2007 | CA2450029C Vessels and covers |
| 10/18/2007 | US20070240773 Methods and devices for high throughput fluid delivery |
| 10/18/2007 | DE202007010790U1 Filterkartusche und -einrichtung für die Wasseraufbereitung Filter cartridge and Equipment for water treatment |
| 10/17/2007 | EP1845207A1 Drinking and domestic water system and method for operating such a system |
| 10/17/2007 | CN101054810A Tap water supply system for countryside family |
| 10/10/2007 | CN101050636A Digital constant pressure water supply and energy saving device |
| 10/10/2007 | CN100342202C Bathing waste water filtering and draining device and method |
| 10/09/2007 | US7278549 Remedies to prevent cracking in a liquid system |
| 10/03/2007 | CN101046102A No-negative pressure water supplier for both domestic use and fire fighting |
| 10/03/2007 | CN100340811C Water intake pipes emptying and antifreeze method and apparatus |
| 10/02/2007 | US7276159 Water flushing system providing treated discharge |
| 09/26/2007 | CN200952639Y Air bag and pressure cylinder using the same air bag |
| 09/26/2007 | CN200952149Y Environment protection energy-saving full automatic water supply equipment |
| 09/26/2007 | CN100339627C Temperature actuated valve |
| 09/26/2007 | CN100339428C Expansion absorption materials and anti-freezing device |
| 09/20/2007 | WO2007106406A2 Integrated pressure proof fluid container with flexible pipe connectors |
| 09/20/2007 | US20070215218 Device for Removal and Filtration of Drilling Fluid |
| 09/20/2007 | DE10216847B4 Filtergerät und Filtereinrichtung Filter device and filter device |
| 09/19/2007 | CN200949240Y Totally-enclosed second water feeding a negative pressure prevention vacuum regulator |
| 09/19/2007 | CN101037870A Low type bidirectional pressure regulating tower |
| 09/12/2007 | CN200946297Y Non-negative pressure water supply apparatus |
| 09/12/2007 | CN200946296Y Pressure-free water supply device installed with overpressure protection |
| 09/12/2007 | CN200946295Y Small flow negative pressure-free water supply installation |
| 09/12/2007 | CN200946294Y Double outlet negative pressure-free divided water supply installation |
| 09/12/2007 | CN200946293Y Large-scale negative pressure-free water supply installation |
| 09/12/2007 | CN200946288Y Water tap and water pipe antifreeze device |
| 09/12/2007 | CN200946287Y Canal type mute water-supply apparatus |
| 09/12/2007 | CN101033618A Dual-purpose non negative pressure water supply equipment for living and fire-fighting using city planning ductwork residual pressure |
| 09/05/2007 | CN200943708Y Storage type frost-proof valve |
| 09/05/2007 | CN101029498A Laminated water supplier of integrated intelligent cased pipe network |
| 09/04/2007 | US7264617 Integrally manufactured micro-electrofluidic cables |
| 08/30/2007 | WO2007097482A1 An anti-freezing apparatus for a fluid tube |
| 08/29/2007 | EP1826538A1 Installation comprising an enclosure containing an appliance connected to two flexible tubes, and its method of mounting |
| 08/29/2007 | CN200940277Y Disinfection and non-negative pressure water-supply equipment |
| 08/29/2007 | CN200940275Y Improved pipe network over-laying type water supply equipment |
| 08/29/2007 | CN100334378C Proportional pressure reducing valve in watersupply system |
| 08/28/2007 | CA2334961C An apparatus for the enhancement of water quality in a subterranean pressurized water system |
| 08/22/2007 | EP1820910A2 Flushing pipes |
| 08/22/2007 | CN2937730Y Anti-freezing explosion-proof water pipe |
| 08/22/2007 | CN2937255Y Anti-freezing device of running water tap |
| 08/21/2007 | US7260320 Electric heat tracing |
| 08/21/2007 | US7258904 Absorber and method for producing it |
| 08/16/2007 | WO2007090238A1 Hot water system |
| 08/15/2007 | CN2934376Y Composite water-feeding general pipe of two pump non-negative pressure water-feeding apparatus |
| 08/15/2007 | CN2934373Y Water pipeline against freezing |
| 08/15/2007 | CN2934372Y Non-corrodible steel conduit coupling assembly for water-supply |
| 08/15/2007 | CN101016747A Vortex energy-saving backwashing water feeding equipment |
| 08/08/2007 | CN2931956Y Automatic control water-saving antifreeze valve |
| 08/08/2007 | CN101012657A Pressure superposition water supply system for pressure-continuous type pipe network |
| 08/07/2007 | US7254320 Water supply device for humidifier |
| 08/02/2007 | DE102005031232B4 Vorrichtung und Verfahren zur Reinigung und/oder Desinfektion von Filtern Apparatus and method for cleaning and / or disinfection of filters |
| 08/01/2007 | EP1812168A1 Paint delivery and application apparatus and method |
| 08/01/2007 | EP1281015B1 Backflow preventer apparatus and method with integration of shut-off valves |
| 08/01/2007 | CN2928969Y Intelligent pipe net relay lift pressure water supply device |
| 08/01/2007 | CN2928968Y Novel integrated silence no-negative pressure over pressure water supply device |
| 08/01/2007 | CN2928967Y No negative pressure stable flow water supply device |
| 08/01/2007 | CN1329591C Liquid disgorging controller |
| 08/01/2007 | CN101008183A Water-supply steady flow balance tank |
| 07/25/2007 | EP1809820A1 Connection device for hydraulic circuits |
| 07/25/2007 | CN2926326Y Automatic air releaser of purified-water feeding pipeline |
| 07/25/2007 | CN101006231A Integrated water supply system for multi-floor buildings |
| 07/19/2007 | US20070166473 Method of preventing elution of nickel from wetted instrument of copper alloy, protective film formation agent for preventing elution of nickel and detergent for preventing elution of nickel |
| 07/19/2007 | DE202007003162U1 Anschlusszwischenstück mit Bypass Port adapter with bypass |
| 07/19/2007 | DE102006002360A1 Device for automatically stopping water in a water supply installation comprises a flow measuring unit for temporarily measuring the water flow in water lines and for temporarily measuring the water flow using an evaluation unit |
| 07/18/2007 | CN2922749Y Water-route direction regulation water-diversion device |
| 07/18/2007 | CN1327088C Double-supply double-drainage circulation system for multipurpose use city water resource |
| 07/10/2007 | CA2573589A1 Backpressure relief valve |
| 07/10/2007 | CA2573584A1 Cartridge assembly retainer |
| 07/05/2007 | DE102006060423A1 Rohrsystem Pipe system |
| 07/04/2007 | CN2918546Y Well using frequency-changing full-automatic tower-free water supply equipment |
| 06/28/2007 | DE202007005707U1 Speichersystem Storage system |
| 06/27/2007 | CN2915959Y Vacuum-free direct water supply system |
| 06/21/2007 | US20070137709 Thermostatically controlled bypass valve |
| 06/21/2007 | DE102005059699A1 Valve opening and closing system for e.g. toilet water container includes a bistabile inlet valve having lag-free opening and closing characteristics without any intermediate opening positions of the valve body |
| 06/20/2007 | EP1798485A1 Liquid distributor |
| 06/20/2007 | CN2913753Y Antifreeze water tap |
| 06/14/2007 | US20070131783 Water control valve assembly |
| 06/07/2007 | WO2007062496A1 Shape-acceleration measurement device and apparatus |
| 06/06/2007 | DE19528287B4 Verfahren zur Erkennung eines Lecks in einem Trinkwasser-Versorgungsnetz und Anordnung zur Durchführung des Verfahrens Method for detecting a leak in a drinking water supply network and the arrangement for implementing the method |
| 06/06/2007 | CN1974959A Non-negative pressure water supply compensating tank mounting method |
| 06/06/2007 | CN1974958A Intelligent pressure regulating water supply controlling method |
| 05/30/2007 | CN1970904A Urban water-saving feeding and discharging pipe network process and its purified water foaming device |
| 05/30/2007 | CN1970902A Water diversion fittings for connecting reservoir and household water pipe |
| 05/29/2007 | CA2540944C Frost-proof exterior-wall valve |
| 05/23/2007 | CN2903195Y Suspension arm type silent nonload pressure overlay pressing water supplying equipment |
| 05/23/2007 | CN2903190Y Pllution-free sterilizing type pipe net overlay pressing water supplying equipment |