| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 12/30/2003 | US6668852 Frost proof sillcock service sleeve |
| 12/24/2003 | CN2594326Y Spot style different qualified water supplier with reverse flush |
| 12/17/2003 | EP1371782A1 Absorber and method of manufacturing the absorber |
| 12/17/2003 | CN1461858A System, safety, environmental protection and intelligent treatment method of water |
| 12/17/2003 | CN1131340C Method for preventing contamination by lead from metallic piping devices |
| 12/10/2003 | CN1461370A Absorber and method of mfg. the absorber |
| 12/10/2003 | CN1461233A 水软化器 Water softener |
| 12/02/2003 | US6656294 Method of reducing elution of lead in lead-containing copper alloy, and drinking water service fittings made of lead-containing copper alloy |
| 11/19/2003 | CN2587047Y Pipes antifreeze switching arrangement |
| 11/12/2003 | EP1208271B1 Connection for a water meter |
| 11/12/2003 | CN2585895Y Water treatment medicament adding device |
| 11/05/2003 | CN1126891C Protection function parts for pipeline |
| 10/29/2003 | CN1451821A Wall embedded water pipe tank |
| 10/23/2003 | US20030196694 Flow control apparatus and method |
| 10/22/2003 | CN2581530Y Fountain water freeze-proof device |
| 10/22/2003 | CN2581529Y Water draining pipe for water tank |
| 10/22/2003 | CN2581528Y Ozone sterilizing water-saving valve |
| 10/22/2003 | CN1450230A Liquid discharge controller and discharge assembly for same |
| 10/21/2003 | US6635172 Apparatus for the enhancement of water quality in a subterranean pressurized water distribution system |
| 10/21/2003 | US6634380 Ceramic disc diverter valve |
| 10/16/2003 | US20030192600 Method and system for controlling a household water supply |
| 10/08/2003 | CN2578398Y Water supply device for separating drinking from other uses |
| 10/01/2003 | CN1446284A Combination tap with external water purifier |
| 10/01/2003 | CN1445419A Water saving equipment and its system by reusing filtered waste water collected in multi-function and all-directions |
| 09/30/2003 | US6626202 Flow control apparatus and method |
| 09/25/2003 | US20030178355 Reverse osmosis tank with integral quick release fitting |
| 09/24/2003 | CN2575163Y Full-automatic controller for high building pumping water |
| 09/23/2003 | US6622930 Freeze protection for hot water systems |
| 09/18/2003 | WO2003076044A1 Multiple barrier filter apparatus |
| 09/18/2003 | US20030172970 Temperature actuated valve |
| 09/18/2003 | CA2477939A1 Multiple barrier filter apparatus |
| 09/17/2003 | EP1343996A1 Pipe fitting |
| 09/17/2003 | CN2573557Y Tap water pipe freezing preventing device |
| 09/12/2003 | WO2003074926A1 Arrangement for keeping a pipe unfrozen, a method and an apparatus for manufacturing said arrangement |
| 09/11/2003 | US20030170406 Absorber and method of manufacturing the absorber |
| 09/10/2003 | CN1441137A Insert piece for pipe distribution operation |
| 09/04/2003 | WO2003073029A1 Portable, potable water recovery and dispensing apparatus |
| 09/03/2003 | CN2570328Y Terminal split water supply installation |
| 09/03/2003 | CN1120316C Respirator of closed pressure-constant water supply system for high building |
| 09/02/2003 | US6612341 Installing annular seal surrounded by containment ring that introduces sealant in case of failure during service; pre-venting leakage |
| 09/02/2003 | CA2280828C Pipe system cleaning and in-line treatment of spent cleaning solution |
| 08/28/2003 | US20030159732 System and method for protecting a building |
| 08/27/2003 | CN2568293Y Superfiltering water purifier for supplying different quality water |
| 08/26/2003 | US6610258 Device for purifying fluid with photonic pulses |
| 08/20/2003 | CN1437007A Water meter connecting apparatus |
| 08/14/2003 | DE20023253U1 Supply terminal device for connecting building to mains supply networks has sunken shaft containing supply network line for each mains supply network |
| 08/13/2003 | CN1435543A 自动流体控制器 Automatic flow controllers |
| 07/31/2003 | US20030140966 Water control valve adaptable for use with bypass valves |
| 07/29/2003 | US6598616 Tapping point and supply water network comprising such tapping point |
| 07/24/2003 | US20030137896 Mixing assembly and method for dispensing cold water containing co2 |
| 07/23/2003 | CN2561829Y Water stop protectors |
| 07/22/2003 | US6595553 Accessory component for piping |
| 07/16/2003 | CN2560685Y 水过滤器 Water Filters |
| 07/09/2003 | CN2560012Y Digital control water-water exchange constant temperature water supply device |
| 07/08/2003 | US6588800 Connection for a water meter |
| 06/25/2003 | CN2557989Y Digital controlled constant temp. medical used hot water supply device |
| 06/25/2003 | CN1426518A Method for securing shell assemblies to pipelines |
| 06/24/2003 | US6581626 Backflow prevention apparatus |
| 06/18/2003 | CN2556271Y 自来水防冻器 Water freezing device |
| 06/11/2003 | EP1318243A1 Device for flush-mounting sanitary fittings |
| 06/11/2003 | CN2555296Y Self-control water saving device |
| 06/05/2003 | US20030102256 Combination tap with external water purifier |
| 06/05/2003 | US20030102042 Securing shell assemblies to pipelines |
| 06/04/2003 | EP1315927A1 Short-length reduced-pressure backflow preventor |
| 06/04/2003 | CN2554232Y Non-return anti-leakage device |
| 06/03/2003 | US6572754 Method for producing a tin film on the inner surface of hollow copper alloy components |
| 05/22/2003 | WO2002037000A3 Ceramic disc diverter valve |
| 05/21/2003 | CN2551687Y On-line spare water storage device |
| 05/21/2003 | CN1419021A Rain water drecovery device for roof of building |
| 05/15/2003 | US20030089403 Swing-out backflow preventer |
| 05/15/2003 | CA2363361A1 Water delivery and storage system and method |
| 05/14/2003 | EP1309760A1 System for the control and monitoring of sanitary appliances |
| 05/14/2003 | CN2550413Y Household water supply machine for different water quality |
| 05/14/2003 | CN1417424A Water supply system supplying high-quality water to urban residents |
| 05/08/2003 | US20030084628 Sub-exterior weatherproofing flashing panel for utility pipes |
| 05/07/2003 | EP1308563A2 Registration device for an installation device in the sanitary field and method for registration |
| 04/30/2003 | CN2547773Y Automatic constant-pressure variable energy-saving water supply apparatus |
| 04/30/2003 | CN1107149C Water supply system with centralized controlled water meters |
| 04/24/2003 | US20030074955 Plumbing testing devices |
| 04/23/2003 | CN2546699Y Freeze-proofing valve for water supply pipeline |
| 04/23/2003 | CN2546505Y Complete equipment for supplying water to buildings |
| 04/16/2003 | EP0698191B1 Plumbing fixture carrying drinking water comprised of a copper alloy |
| 04/15/2003 | US6546946 Short-length reduced-pressure backflow preventor |
| 04/10/2003 | WO2003029721A1 Fluid delivery system |
| 04/09/2003 | CN1408966A Thin wall stainless steel water supply pipeline |
| 04/09/2003 | CN1408965A Running water supply plan for township residents |
| 04/08/2003 | US6543479 Water monitoring system |
| 04/08/2003 | US6543186 Sub-exterior weatherproofing flashing panel for utility pipes |
| 04/02/2003 | EP1298257A1 Connecting element for plumbing |
| 04/02/2003 | CN1407291A Expansion absorption materials and anti-freezing device |
| 03/27/2003 | US20030056825 Cold water supply systems |
| 03/26/2003 | EP1295996A2 Cold water supply systems |
| 03/26/2003 | CN2541525Y Auto feeding arrangement of water system |
| 03/26/2003 | CN2541524Y Cold/hot water diversion controller |
| 03/25/2003 | US6536464 Thermostatically controlled bypass valve and water circulating system for same |
| 03/25/2003 | US6536458 Device for heating a tap |
| 03/20/2003 | US20030052277 Method of water distribution and apparatus therefor |
| 03/18/2003 | US6532986 Freeze protection device for wall hydrants/faucets |
| 03/18/2003 | US6532985 Further enhanced features for backflow prevention device enclosure |
| 03/18/2003 | US6532979 Residential water damage prevention system |