| Patents for E03B 1 - Methods or layout of installations for water supply (1,879) |
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| 08/22/2001 | EP1126089A2 High level water supplying and distributing system |
| 08/22/2001 | EP1125030A1 Collector of unused water |
| 08/15/2001 | CN2443046Y Installation for foster and water diversion |
| 08/15/2001 | CN1069723C Multi-medium water supply radio four-remote system |
| 08/09/2001 | WO2001057361A1 Method and apparatus for monitoring the advance of seawater into fresh water aquifers near coastal cities |
| 08/01/2001 | EP0656448B1 Equipment for storing water for miscellaneous use |
| 07/26/2001 | WO2001053221A1 Equipment for washing motor vehicles with recycling of the water |
| 07/19/2001 | DE10001693A1 Waste water recovery system has a small filter at the waste water outlet to pass cleaned water to a store tank for use in flushing toilets etc and soiled water is passed to the sewage drain under control |
| 06/20/2001 | CN1299906A Long distance delivery of fresh water from river mouth |
| 06/19/2001 | US6248242 Bulk water supply tank truck for delivery of potable water to a storage tank at a customer's site and being equipped with a pumping system and an ozone generator to disinfect water at point of delivery |
| 06/13/2001 | DE19950729C1 Device for using rainwater, for rain and drought periods; has rainwater delivered to cistern and guided to flow up into buffer container inside cistern, with freshwater delivered to buffer container |
| 06/12/2001 | US6245224 Water quality management system |
| 04/13/2001 | CA2285808A1 Method and apparatus for recycling gray water |
| 04/04/2001 | CN1290332A Adaptive system for predictive control of district pressure |
| 04/04/2001 | CN1064101C Automatic fire supply system in water pressure sensing mode |
| 02/08/2001 | WO2001009542A2 Method of guaranteeing pipeline performance |
| 02/08/2001 | DE19937433A1 Water outlet arrangement, having cold and hot water valve which regulate flow quantity, and preferably open flow to mixer |
| 02/08/2001 | CA2386608A1 Method of guaranteeing pipeline performance |
| 01/31/2001 | CN2417048Y Liquid sucking apparatus attached with agricultural motor tricycle |
| 01/25/2001 | DE19934330A1 Anlage zur Nutzung von Regenwasser Plant for the use of rainwater |
| 01/24/2001 | EP1070794A2 Installation to use rain water |
| 01/24/2001 | CN1281084A Sleeved dual pipelines system for water supply of city |
| 01/10/2001 | CN2414265Y Automatic water feeder |
| 01/03/2001 | CN2412929Y Cool and hot water supply installation |
| 01/02/2001 | US6169517 Technique for screening work requests |
| 12/05/2000 | US6155292 Method and a synthetic danger predicting and disaster preventing monitor system in which pipelines laid under the ground or through a structure are employed in their entirety for a synthetic danger predicting alarm sensor |
| 11/28/2000 | US6152045 Magnetic levitation system for long distance delivery of water |
| 11/22/2000 | EP1053430A1 Adaptive system for predictive control of district pressure regulators |
| 10/31/2000 | US6139729 Gray water reclamation apparatus |
| 10/17/2000 | US6132138 Gray water recycling system |
| 09/21/2000 | DE19912103A1 Verfahren und Vorrichtung zur Wiederverwertung von Grauwasser Method and apparatus for recycling of gray water |
| 09/20/2000 | EP1036888A2 Method and device for the reuse of grey water |
| 09/20/2000 | CN2397184Y Pipe network secondary pressure flow-increasing water supply equipment without suction stroke |
| 09/08/2000 | WO2000052269A1 Rainfall collection system |
| 09/02/2000 | CA2264440A1 Rainfall collection system |
| 08/29/2000 | US6112137 Adaptive system for predictive control of district pressure regulators |
| 08/16/2000 | CN2391916Y Non-tower type pressed watersupply installation |
| 08/08/2000 | US6098213 Water temperature regulator |
| 07/29/2000 | CA2292019A1 Technique for screening work requests |
| 07/27/2000 | DE19901975A1 Rain water treated by exposure to ultra-violet light rendering suitable for grey water uses and reducing demand for mains-supplied drinking water |
| 07/27/2000 | DE19857158A1 Airfield rainwater storage system has large-volume cisterns linked in parallel reducing demand for drinking water |
| 07/25/2000 | US6092549 Device in a waste disposal system in a building |
| 06/14/2000 | CN2382760Y Wall hanging household water storage tank |
| 06/14/2000 | CN2382759Y 自动供水装置 Automatic water supply device |
| 06/14/2000 | CN2382758Y Household automatic water storage and supply device |
| 06/07/2000 | CN1053247C Appts. for predicting flow of water supplying |
| 05/31/2000 | EP1003968A1 Geothermal energy means and procedure |
| 05/31/2000 | DE19957424A1 Tap arrangement for outputting energy/fluid has internal network containing main network with branch(es) to external connector(s), low voltage control network containing time switches |
| 05/31/2000 | CN2380617Y Domestic water-vat running-water automatic-making device |
| 05/24/2000 | EP1002905A2 Rainwater collection and distribution system with high hydrostatic pressure |
| 05/24/2000 | CN2379525Y Locking and combination type antiseep ditch trough |
| 05/10/2000 | CN1052286C Equipment for storing water for miscellaneous use |
| 05/03/2000 | EP0871591B1 Filtration tank and means for subsequent purification of waste water |
| 04/12/2000 | EP0992634A2 A system which uses and treats surface waters, respecting gravity and taking account of space, time, oxygen and transportation |
| 04/12/2000 | EP0991594A1 Method and device for sewage treatment |
| 04/06/2000 | WO2000019024A1 Method of water distribution and apparatus therefor |
| 03/30/2000 | DE19811920A1 Rain water storage equipment for supplying water for domestic purposes unless water level in storage cistern falls below a minimum level |
| 03/22/2000 | CN2370069Y Gravity type water supple device |
| 03/15/2000 | CN1247257A Water supply method by pressure pipeline |
| 03/07/2000 | US6032687 Water conservation system |
| 02/15/2000 | US6024113 Method of preventing external contamination in multiple tank fluid systems |
| 02/03/2000 | WO2000005096A1 Magnetic levitation system for long distance delivery of water |
| 01/20/2000 | WO2000003098A1 Collector of unused water |
| 12/30/1999 | DE19828880A1 Water recycling for domestic system |
| 12/29/1999 | WO1999067559A1 Apparatus and method for bypass-piping conduits |
| 12/14/1999 | US6000880 Sewage water purification/reuse/redistribution, flood control, and power generating system |
| 12/01/1999 | CN2351476Y Municipal water supply pipe network terminal water supplying apparatus |
| 10/28/1999 | WO1999054560A1 A drainage device |
| 10/28/1999 | WO1999054559A1 A system for reusing waste water |
| 10/27/1999 | CN2345587Y Improved water supply structure |
| 10/14/1999 | DE19816293A1 Rainwater recycling system for domestic use etc. |
| 09/30/1999 | WO1999040266A3 Improvements in fluid systems |
| 09/15/1999 | EP0942274A2 A method and a system for detecting, monitoring and/or localizing hazard as changes of environmental conditions underground or in a building structure |
| 09/08/1999 | CN2337196Y Flusher of closet with device for recovering waste water |
| 09/08/1999 | CN1228133A Wast water control system |
| 08/17/1999 | US5937455 Electrically operated toilet water inlet valve system having a variable fill level |
| 08/12/1999 | WO1999040360A1 Adaptive system for predictive control of district pressure regulators |
| 08/12/1999 | WO1999040266A2 Improvements in fluid systems |
| 08/12/1999 | DE19846515A1 Device for conveying waste water heat from e.g. showers |
| 08/12/1999 | CA2319475A1 Adaptive system for predictive control of district pressure regulators |
| 08/04/1999 | CN2331709Y Automatic water supply device |
| 07/14/1999 | CN2328702Y Variable program control full automatic tower-free energy saving water supply device |
| 07/14/1999 | CN2328701Y 自动供水装置 Automatic water supply device |
| 07/08/1999 | DE19800030A1 Roof construction for production of dew for creation of user water |
| 07/07/1999 | CN2327725Y Automatic indoor water supply controller |
| 06/24/1999 | WO1999031328A1 System to collect pluvial waters |
| 06/22/1999 | US5913614 Recirculating plumbing system |
| 05/26/1999 | CN2320671Y Small tap water supply device |
| 05/12/1999 | CN2318272Y Automatic water supply device for building |
| 05/06/1999 | WO1999021802A1 Gray water recycling system |
| 05/05/1999 | CN1215816A Full-automatic air make-up control method using jet pump and air make-up tank to make up air in air pressure tank |
| 04/28/1999 | CN1215115A Multi-medium water supply radio four-remote system |
| 04/22/1999 | DE19751590C1 Roof cover |
| 04/21/1999 | CN2315151Y Water supply pipe device for building |
| 04/08/1999 | DE19742062A1 Water supply system |
| 03/31/1999 | EP0905327A1 Water inlet device |
| 03/31/1999 | EP0904470A2 Waste water control system |
| 03/31/1999 | CN2312253Y Mechanism type vacuum compensation device |
| 03/30/1999 | US5888382 Filtration tank and means for subsequent purification of waste water |
| 03/25/1999 | DE19741827A1 Bath drain fitting |