Patents for E03B 7 - Water main or service pipe systems (5,081)
09/2005
09/28/2005CN1220813C Liquid discharge controller and discharge assembly for same
09/22/2005US20050205139 Tri valve backflow preventer
09/22/2005US20050205136 Integrally manufactured micro-electrofluidic cables
09/22/2005US20050205132 External water shutoff
09/21/2005CN1670319A Liquid disgorging controller and disgorging assembly for the controller
09/21/2005CN1219950C Water supply system supplying high-quality water to urban residents
09/20/2005US6945274 Water supply shut off and bypass system
09/20/2005CA2153349C Process for reducing lead leachate in brass plumbing components
09/19/2005CA2501771A1 External water shutoff
09/15/2005WO2005085500A1 Method of preventing nickel leaching from copper alloy made liquid-contact equipment item, protective film forming agent for nickel leaching prevention and cleaner for nickel leaching prevention
09/14/2005CN2725376Y Improved water feeding pipe joint
09/14/2005CN1667209A Water pipe against being broken by freezing
09/14/2005CN1219137C Water separation and collection device for water supply and drainage system of closet and kitchen
09/08/2005DE202005009574U1 Water filter comprises a filter casing within which a fluidic medium is uniformly distributed using main grooves having collision screens located in the region of the first halves in the flow direction
09/07/2005EP1569544A2 High flow rate water supply assembly
09/01/2005US20050191134 Telescoping underwater guide
09/01/2005DE102005005091A1 Drinking water disinfection assembly has return tube passing through mixer zone between reactor outlet and reservoir outlet
09/01/2005DE102004006333A1 Speicher für ein Abgasnachbehandlungsmedium einer Abgasnachbehandlungseinrichtung für Fahrzeuge mit Dieselverbrennungsmotoren Memory for an exhaust aftertreatment medium an exhaust aftertreatment device for vehicles with diesel engines
08/2005
08/25/2005WO2005078249A1 Reservoir for an exhaust aftertreatment medium of an exhaust aftertreatment device for vehicles having diesel combustion engines
08/25/2005US20050183773 Multi-story water distribution system
08/25/2005US20050183772 Apparatus for Maintaining Fluid Temperature
08/25/2005DE202005008525U1 Multi-purpose water filter has cylindrical housing with an inlet and outlet and a series of concentric filters placed end-to-end
08/25/2005DE102004005396A1 Device for reducing the pressure in a water supply system, especially in delivery systems for a drinking water supply, comprises a pump unit, and a generator for generating electrical energy connected to a pump shaft having an impeller
08/24/2005CN1657714A Double-supply double-drainage circulation system for multipurpose use city water resource
08/18/2005WO2005075754A1 Water saving device
08/18/2005US20050178703 Apparatus for the enhancement of water quality in a subterranean pressurized water distribution system
08/18/2005US20050178434 Self-draining vacuum breaker
08/18/2005DE102004002545A1 Water treatment system for supply of water to households and industrial users has rotating magnetic disc
08/16/2005US6929187 Water control fixture having thermostatically controlled bypass valve
08/10/2005CN1214162C Combination tap with external water purifier
08/03/2005CN2714635Y Integrated automatic water-supply device capable of removing iron and magnesium from ground water
08/03/2005CN1213282C Water meter connecting apparatus
07/2005
07/28/2005WO2005068737A1 Pipe for transporting water to be rendered drinkable, installation, and corresponding method and use thereof
07/28/2005US20050161087 Mixing sillcock
07/28/2005DE202005005330U1 Water pipeline filter, has ring to stop eddy in water flow carrying solid particles and valve plug to prevent central upward moving eddy so that particles passes via valve and settles down in tank due to gravitational force
07/28/2005DE10361867A1 Abgasnachbehandlungseinrichtung Exhaust treatment device
07/27/2005EP1557259A1 Supple multilayer plastic hose
07/27/2005CN1646840A Short-length reduced-pressure backflow preventor
07/27/2005CN1644811A Water pipe anti-freezing technologies by air injection
07/26/2005US6920897 Potable water circulation system
07/19/2005US6918402 Flow control apparatus
07/14/2005DE10358253A1 Method for renovating an encrusted water pipe line with at least two adjoining sections involves provision of these sections with different inner coating materials after a cleaning operation
07/13/2005EP1553270A1 Exhaust gas aftertreatment device
07/13/2005CN2709532Y Water supply and drainage pipe clip
07/12/2005US6915924 Bottled water source to soft drink dispenser machine
07/07/2005DE19800670B4 Verfahren zur Dichtheitsprüfung von Seitenkanälen A method for leak testing of side channels
07/07/2005CA2549425A1 Fluid level sensing apparatus and method for a spray applicator
07/06/2005EP1487560A4 Multiple barrier filter apparatus
07/05/2005US6913245 In-line shut-off valve and method of assembling same
06/2005
06/30/2005US20050139552 Portable, potable water recovery and dispensing apparatus
06/29/2005EP1548155A1 Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material, and fluid for use in cleaning piping material
06/29/2005EP1478891A4 Portable, potable water recovery and dispensing apparatus
06/29/2005CN1208571C Method for securing shell assemblies to pipelines
06/22/2005CN2705507Y Energy saving water saver for low cistern
06/22/2005CN1207442C Method of reducing elution of lead in lead-containing copper alloy, and method of reducing elution plate of lead in lead-containing copper alloy
06/16/2005US20050127315 Wireless remote controlled water shut-off and leak testing system
06/16/2005US20050126648 Water guard pressure balancer
06/16/2005US20050126645 Frost free valve assembly
06/16/2005US20050126630 Automatic freeze protection system for plumbing systems
06/15/2005EP1541710A2 Method for coating tubes
06/15/2005CN1626858A Water guard pressure balancer
06/09/2005US20050120476 Siphon tube for use with a toilet tank and bowl for maintaining a steady trickle flow of water through a supplying and unheated service line associated with the tank and bowl and method for installing the same
06/08/2005CN2703797Y Freeze-proofing running water pipe
06/01/2005EP1534900A1 Supplying water to a reticulation system from different sources
06/01/2005EP1315927A4 Short-length reduced-pressure backflow preventor
06/01/2005CN2703040Y Automatic pressurizing device for running water
05/2005
05/31/2005US6899240 Subgrade vault
05/25/2005CN1620584A Portable drinking water extracting and distributing device
05/25/2005CA2469619A1 Water flushing unit for a pressure balanced shower valve
05/24/2005US6895985 Smart device and system for improved domestic use and saving of water
05/19/2005US20050103381 Hydrant access system and method
05/19/2005DE10315224B4 Frostsichere Auslaufarmatur Frostproof drain fitting
05/17/2005US6892751 System and method for protecting a building
05/17/2005US6892747 Temperature actuated valve
05/17/2005US6892746 Method and system for controlling a household water supply incorporating motion-sensing for determining whether a house is occupied
05/11/2005CN2698855Y Outdoor anti-freezing tap-water pipe
05/11/2005CN1614163A Anti-freezing method for sewer or water container
05/05/2005US20050092471 Fluid heater
05/05/2005US20050092372 Flap valve
04/2005
04/28/2005US20050087230 Apparatus for detecting and preventing fluid leaks in a property
04/21/2005DE202005001105U1 System to be used for prevention of water freezing in supply duct, comprising sensor controlled solenoid operated valve
04/19/2005US6880573 Frost free valve assembly
04/19/2005US6880566 Apparatus for the enhancement of water quality in a subterranean pressurized water distribution system
04/06/2005CN2690460Y Household purifying water storage tank
04/01/2005CA2483571A1 Fluid heater
03/2005
03/31/2005US20050067595 Municipal water delivery control systems
03/23/2005EP1516143A1 Heating device for a fluid line and method for the production thereof
03/23/2005EP1309760B1 System for the control and monitoring of sanitary appliances
03/09/2005EP1153174B1 Device for heating a tap
03/09/2005CN2683711Y Energy-saving three-way valve
03/09/2005CN1590661A Water pipe rust removing device
03/03/2005WO2004104533A3 Apparatus for maintaining fluid temperature
03/02/2005CN1587784A Multiple path co-pipe transport pipeline system
03/01/2005US6860286 Water supply system for multiple dwelling units
03/01/2005US6860070 Sub-exterior weatherproofing flashing panel for utility pipes
02/2005
02/23/2005CN2680740Y Automatic water inlet apparatus
02/22/2005US6857442 Freeze protection device for wall hydrants/faucets
02/17/2005US20050036851 Subgrade vault
02/16/2005CN1580619A Frost free valve assembly
02/10/2005DE202004018910U1 Tube heater used in aircraft for de-icing purposes comprises heating cable with insulating sleeve made from thermoplastic fluoropolymer surrounding heating element
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