| Patents for E03B 1 - Methods or layout of installations for water supply (1,879) |
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| 08/25/2004 | CN2635816Y Moveable water-purifying room |
| 08/19/2004 | US20040159353 Water conservation system |
| 08/18/2004 | EP0861357B1 Drain system in a building |
| 08/12/2004 | DE10304316A1 Recycling method for used water, involves pumping out used water from shower, bath tub, wash basin or bidet using pump, and filtering used water using filter such that filtered water is supplied to catch container |
| 07/27/2004 | US6766822 Method of water distribution and apparatus therefor |
| 07/21/2004 | EP1438464A1 Method of water distribution and apparatus therefor |
| 07/15/2004 | US20040138815 Method and system to flexibly calculate hydraulics and hydrology of watersheds automatically |
| 07/15/2004 | US20040134533 Emergency supply system to supplant interrupted public and private utilities |
| 07/08/2004 | WO2004057119A1 Greywater recycling system |
| 07/08/2004 | DE10326871A1 Waste water storage system has pump and enlarged tank to hold bath, shower and washing waste water for use in toilet flushing |
| 07/07/2004 | CN1510220A Water resource recovering systems |
| 07/01/2004 | DE202004005418U1 Energy saving water supply for building has the consumer units gravity fed from a high mounted tank which is refilled from a rainwater cistern with a submersible pump |
| 06/30/2004 | CN1155758C Method based on intermediate water channel for determing impurity concentration and water supply network |
| 06/03/2004 | WO2004046474A1 Improvements in or relating to water recycling systems |
| 05/26/2004 | CN2617825Y Overflow tower-type irrigating apparatus |
| 05/26/2004 | CN2617824Y Automatic water saver |
| 04/29/2004 | DE10311378A1 A method for preventing corrosion in water supply pipes has a circulation system in which water is continually moving even when none is drawn off |
| 04/22/2004 | US20040074826 Water distribution amount predicting system |
| 04/14/2004 | CN2611439Y Automatic water feeder |
| 04/01/2004 | US20040060851 Water saving cabinet type gravity filter and water storage |
| 03/25/2004 | WO2004005629A9 Systems and methods for collecting and distributing gray water |
| 03/24/2004 | CN1143036C Method of water distribution and apparatus therefor |
| 03/18/2004 | US20040050429 Systems and methods for collecting and distributing gray water |
| 03/11/2004 | WO2004020749A1 Supplying water to a reticulation system from different sources |
| 03/11/2004 | WO2004020748A1 Rainwater collection, storage and supply system |
| 03/11/2004 | DE19740642B4 Verfahren und Vorrichtung zur Wiederverwertung von Grauwasser Method and apparatus for recycling of gray water |
| 03/11/2004 | CA2496892A1 Supplying water to a reticulation system from different sources |
| 03/09/2004 | US6702942 Water conservation device, kit and method of using |
| 03/04/2004 | US20040040598 Rainwater recovery system |
| 02/26/2004 | US20040035768 Graywater diverter vessel assembly |
| 01/28/2004 | EP1125030B1 Collector of unused water |
| 01/15/2004 | WO2004005629A1 Systems and methods for collecting and distributing gray water |
| 01/08/2004 | WO2003057998A3 Water supply system |
| 12/17/2003 | EP1371790A1 Apparatus for collecting salt-containing water |
| 12/10/2003 | CN1460752A Self-priming conduction riser device |
| 11/05/2003 | EP1359259A1 Water supply installation |
| 10/15/2003 | CN1448592A Apparatus for the recycling of used water |
| 10/08/2003 | CN1446989A Device for recycling use of domestic sewage |
| 10/01/2003 | CN2576804Y Middle-water reuse and rainwater-sewage dividing and integrated treatment apparatus |
| 09/25/2003 | US20030178062 Apparatus for the recycling of used water |
| 09/17/2003 | EP1344873A1 Device for recicling greywater |
| 08/14/2003 | DE20304923U1 Equipment for detecting and protecting against lifting forces and leaks of rainwater storage cisterns for water industrial use |
| 07/17/2003 | WO2003058000A1 Cooking, washing waste water recycle treatment system |
| 07/17/2003 | WO2003057998A2 Water supply system |
| 07/03/2003 | US20030121096 Water conservation apparatus |
| 06/24/2003 | US6581218 Water conservation apparatus |
| 05/28/2003 | CN1420399A Pressure single-pipe controlling velve double water supply testing and setting method |
| 05/15/2003 | WO2003040480A1 Secure underground collection, accumulation and storage system for water (the 'system') |
| 05/14/2003 | EP1310602A2 System for the re-use of grey water |
| 05/07/2003 | CN2549052Y High-rise building living waste water utilizing treater |
| 05/07/2003 | CN1416500A Method and appts. for monitoring advance of seawater into fresh water aquifers near coastal cities |
| 04/09/2003 | CN2543997Y Domestic water-saving device |
| 04/09/2003 | CN1408965A Running water supply plan for township residents |
| 03/27/2003 | DE20121695U1 Supplying household service functions uses individual modules with rapid connection member for electricity, gas, oil, water and air |
| 03/20/2003 | US20030052277 Method of water distribution and apparatus therefor |
| 03/13/2003 | US20030046759 Lavatory -toilet combination |
| 03/06/2003 | DE20219214U1 Installation for rainwater use has cistern with level pump to supply fresh water storage tank having return pump |
| 02/26/2003 | CN1399045A River purifying system and river waterworks |
| 02/19/2003 | CN1397694A Reclaiming system for city sewage |
| 01/08/2003 | CN1389631A Water-treatment supplying device using life sewage |
| 01/02/2003 | US20030004608 Liquid handling system with electronic information storage |
| 01/02/2003 | EP1270827A1 Water distribution amount predicting system |
| 01/02/2003 | DE20121591U1 Roof rain water trap has sheet metal channel draining to under-roof cistern |
| 12/19/2002 | US20020189667 Liquid handling system with electronic information storage |
| 11/27/2002 | CN1381652A Method based on intermediate water channel for determing impurity concentration and water supply network |
| 11/13/2002 | EP1255913A1 Method and apparatus for monitoring the advance of seawater into fresh water aquifers near coastal cities |
| 11/07/2002 | DE10156004A1 A method for integrating all the domestic services by interconnecting electrical, water and fuel supplies to the various facilities. |
| 10/15/2002 | US6463956 Method of water distribution and apparatus therefor |
| 10/09/2002 | CN2515262Y Waste water circulating treatment equipment for toilet |
| 09/25/2002 | EP1003968A4 Geothermal energy means and procedure |
| 08/29/2002 | DE19853740C2 Regenwassersammel- und Verteilsystem mit hydrostatischem Druck Regenwassersammel- and distribution system with hydrostatic pressure |
| 08/27/2002 | US6441618 Method and apparatus for monitoring the advance of seawater into fresh water aquifers near coastal cities |
| 08/14/2002 | DE10133468A1 Wassertechnische Anlage Water-conditioning system |
| 07/31/2002 | CN1088489C Full-automatic air make-up control method using jet pump and air make-up tank to make up air in air pressure tank |
| 06/25/2002 | US6408460 Collector of unused water |
| 06/05/2002 | EP1210672A2 Method of guaranteeing pipeline performance |
| 05/29/2002 | CN2493653Y Multi-function domestic running water apapratus |
| 05/15/2002 | CN2491485Y Vacuum automatic scooping machine |
| 05/14/2002 | US6386224 High level water supplying and distributing system |
| 05/02/2002 | EP1201834A2 Device for domestic exploitation of rain water |
| 04/30/2002 | US6379546 Water pollution control; separate accumulation; membrane filtration |
| 04/10/2002 | CN1343817A Comprehensive water supply scheme and facilities |
| 03/12/2002 | US6355160 Gray-water recycling system |
| 02/07/2002 | DE10035898A1 Device for fresh water in-feed in process water supply networks has tank assigned to consumer tank, integral component part of consumer tank and located above consumer tank |
| 02/01/2002 | CA2316137A1 The rivermain water and electric power delivery system |
| 01/09/2002 | CN1077639C Water-supply method by pressure pipeline |
| 01/03/2002 | WO2001009542A8 Method of guaranteeing pipeline performance |
| 01/02/2002 | CN2469049Y Leakage preventing means for water supply pipeline |
| 12/20/2001 | US20010052774 Method and apparatus for monitoring the advance of seawater into fresh water aquifers near coastal cities |
| 12/20/2001 | US20010052364 Method of water distribution and apparatus therefor |
| 12/12/2001 | CN1326524A Method of water distribution and apparatus therefor |
| 12/11/2001 | US6328882 Residential waste water recycling system |
| 12/04/2001 | US6325093 Water distributing installation controllers |
| 11/15/2001 | DE10015771C1 Rain water system has pump in line from rain water tank to pressure increasing pump switched on with pressure increasing pump, switched off if level falls below minimum level |
| 11/13/2001 | US6314590 Drainage device |
| 10/11/2001 | WO2001075237A1 Water distribution amount predicting system |
| 10/04/2001 | US20010025653 High level water supplying and distributing system |
| 10/04/2001 | EP1138836A2 Rain water plant |
| 10/03/2001 | CN1315604A Water-saving system for using seawater in life and industrial purpose |
| 09/04/2001 | US6282733 Method for installing a gray water reclamation system |