| Patents for E03B 3 - Methods or installations for obtaining or collecting drinking water or tap water (5,213) |
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| 05/02/2002 | US20020051713 Pumping apparatus with extendable drawing pipe and impeller and impeller hydraulic drive means supplied by a hydraulic hose carried by a segmented hydraulic hose support |
| 05/02/2002 | DE10060080C1 Pump for untreated water has a faucet point to draw off filtered water and a second faucet to take off untreated water for animal drinking troughs/cleaning, which flows past the filter and cleans it to extend the filter life |
| 05/01/2002 | CN1083922C Method and device for collecting water from air by using solar energy |
| 04/25/2002 | US20020046569 Apparatus for the production of freshwater from extremely hot and humid air |
| 04/18/2002 | US20020044835 Selective reservoir withdrawal system |
| 04/17/2002 | CN2486608Y Water collector device from desert |
| 04/16/2002 | US6372135 Polyetherurethane copolymer binder containing an organotin catalyst and a mixture of highly dispersed silica and/or bentonites with a thickened aluminosilicate modifier; production of drinking water from ground water in surface |
| 04/11/2002 | DE10048740A1 A method for cleaning rainn water has an inlet leading to a hollow cylindrical filter, a drain outlet and a clean water outlet. |
| 04/10/2002 | EP1194654A1 Diverter valve/filter and downpipe filter |
| 04/10/2002 | CN1343818A Water supply pipe with natural sand discharging function |
| 04/03/2002 | CN2484354Y Deep-well monitoring instrument probe |
| 04/03/2002 | CN1082118C 泵站 Pumping |
| 03/26/2002 | US6360549 Method and apparatus for extracting water from air |
| 03/21/2002 | WO2002022505A1 Improve system for quality of water using multi level water reserve apparatus |
| 03/20/2002 | EP1188074A1 Method and installation for tapping fresh water and detecting fresh water source at sea |
| 03/19/2002 | US6357183 Water conservation method and apparatus therefor |
| 03/14/2002 | DE19655158C2 Prefabricated filter to purify rain water |
| 03/13/2002 | CN1339638A Plastic leakage-proof film and pneumatic water outflow cover for water storage cellar |
| 03/12/2002 | US6354763 Pumping plant |
| 03/07/2002 | WO2002018859A1 Method and apparatus for extracting water from air |
| 03/07/2002 | WO2002018858A1 Method and apparatus for extracting water from air |
| 03/07/2002 | DE19655159C2 Prefabricated filter to purify rain water |
| 03/07/2002 | DE10041659A1 Rainwater collection system, e.g. for flat roofs, comprises collection vessels beneath roof surface and forming posts or roof beams |
| 03/07/2002 | DE10037454A1 Water collecting chambers in hilly regions are tunneled into rock to form chamber with sluiced wall stoppings both ends and runoff channel off chamber gradient center. |
| 03/06/2002 | CN2480417Y Sinking well component |
| 03/06/2002 | CN1080193C Laminated structure article |
| 03/05/2002 | US6352108 Well pipe |
| 02/28/2002 | DE19955973C1 Filterrohr zum Einbringen in ein Bodenbohrloch sowie Verfahren zur Herstellung des Filterrohrs Filter pipe for insertion into a borehole bottom and processes for preparing the filter tube |
| 02/27/2002 | CN2479066Y Natural water storing device |
| 02/21/2002 | WO2002014613A1 Kinmen type of integrated hydrologic circuits |
| 02/21/2002 | DE19655160C2 Prefabricated filter to purify rain water |
| 02/13/2002 | CN2476590Y Cylinder-type automatic water-pumping machine |
| 02/13/2002 | CN1335438A Sucking pipe method and equipment for drawing liquid |
| 01/31/2002 | WO2002008523A2 Selective reservoir withdrawal system |
| 01/31/2002 | US20020011075 Production of potable water and freshwater needs for human, animal and plants from hot and humid air |
| 01/24/2002 | DE10033484A1 Outflow from a rain water holding tank has a pipe section leading to a collection tank, with a throttle and a cleaning unit to give a clean flow according to the water level |
| 01/17/2002 | WO2002004343A1 Water recovery and dispensing systems and methods for using the same |
| 01/17/2002 | WO2001057359A3 Apparatus and method for moving fluid |
| 01/16/2002 | CN2471826Y Castiron water pipe with filtering grid |
| 01/16/2002 | CN2471825Y Impulse hole flusher |
| 01/10/2002 | DE10031593A1 Device for raising and further delivery of ground water in horizontal filter well in dry format involves system with ring segment conduit in which cut-off sliders and reinforcement form pieces are integrated |
| 01/09/2002 | EP1169520A1 Flat pack water butt |
| 01/08/2002 | US6336957 Method and apparatus for extracting water from atmospheric air |
| 01/03/2002 | DE19946051A1 Well filter of top-flanged pipe with bottom tip slots specified pipe sector out to specified dimensions from tip upwards with slots expanding non-cloggably inwards from pipe surface. |
| 01/02/2002 | CN2469050Y Water distributing means for high efficiency gravity and homogeneous granular filtering tank |
| 01/02/2002 | CN1329516A Method for separating condensable substances from gases or gas mixtures |
| 12/27/2001 | WO2001098628A1 Well maintenance equipment and procedure |
| 12/26/2001 | CN2467587Y Vacuum steam water lifter from deep well |
| 12/26/2001 | CN2467586Y Water-collecting yard for water storage for water pit |
| 12/20/2001 | WO2000025895A8 Method for separating condensable substances from gases or gas mixtures |
| 12/19/2001 | CN2466222Y Water preserving pool |
| 12/13/2001 | DE10124649A1 Method to recover atmospheric water; involves using water recovery chamber with refrigerant cooled by cold collectors by night and fluid in heat accumulator heated by solar collectors by day |
| 12/12/2001 | CN2464784Y Snow water preserving apparatus |
| 12/12/2001 | CN2464783Y Automatic deep well slit-removing machine |
| 12/12/2001 | CN1076066C Water reserving method and apparatus therefor |
| 12/05/2001 | CN2463459Y Machine for obtaining water from air |
| 12/05/2001 | CN1324972A Relationship between electricity and water and its applications |
| 11/29/2001 | DE10023454A1 Method to prevent incrustations in wells uses appliance with pressure vessel to introduce pneumatic pressure waves into gravel bed in filter tube |
| 11/28/2001 | CN1324423A Wide area water collection type underground water tank |
| 11/28/2001 | CN1323938A Solar energy adsorption type air moisture drawing mechanism |
| 11/22/2001 | WO2001088281A1 Atmosphere water recovery |
| 11/22/2001 | US20010042620 Water well filter apparatus |
| 11/14/2001 | CN1321815A Adsorption air water-intaking equipment |
| 11/08/2001 | WO2001084066A1 Device for collecting water from air |
| 11/07/2001 | EP1151166A1 A method and an apparatus for utilising glacier ice as drinking water |
| 11/01/2001 | US20010035371 Arrangement for removing heavy metal ions from roof runoff waters |
| 10/31/2001 | EP0885171B1 A device for creation of an oxidation and precipitation zone or a reduction zone in an aquifer |
| 10/30/2001 | US6308521 Universal power generator utilizing wind flow of liquid for the manufacturing of water from humid air |
| 10/18/2001 | US20010030161 System and method for utilizing rainwater collected at buildings |
| 10/18/2001 | DE10019174A1 Verfahren zum Einbringen von Regenerier- und Behandlungsflüssigkeiten in vertikale und horizontale Brunnen A method of introducing regeneration and treatment liquids into vertical and horizontal wells |
| 10/10/2001 | EP1143076A2 Method to introduce regeneration and treatment liquids in vertical and horizontal wells |
| 10/10/2001 | EP1142835A2 Portable, potable water recovery and dispensing apparatus |
| 10/10/2001 | CN1316571A Portable drinking water regenerating and distributing device |
| 10/04/2001 | WO2001073263A1 Method for improving well quality |
| 10/04/2001 | EP1137475A1 Method for separating condensable substances from gases or gas mixtures |
| 10/04/2001 | CA2404664A1 Method for improving well quality |
| 09/20/2001 | DE10104029A1 Buried tank made of plastics material for holding rainwater has floor with drain in middle and corrugated edges engaging toothed lower edge of cylindrical side wall of tank |
| 09/19/2001 | EP0701644B1 Potable rainwater collecting apparatus |
| 09/19/2001 | CN1313927A Grouting pipe equipment and method of grouting using the same for an underground water well |
| 09/19/2001 | CN1313434A Adsorption-type solar water generator with air as raw material |
| 09/18/2001 | US6289689 Water collection and dispensing machine |
| 09/12/2001 | CN1312876A Method and apparatus for extracting water from atmospheric air |
| 09/06/2001 | DE10114089A1 System for the collection of condensation from air moisture for drinking water has a heat radiating body with a reflective mirror to carry off the heat and reduce its surface below the dewpoint level |
| 09/05/2001 | EP1130176A1 Filter device |
| 09/05/2001 | CN1311838A Porous medium in an integrated hydrologic circuit for water storage and water transport to minimize evaporative loss for farm use and city use |
| 08/30/2001 | WO2001063059A1 Apparatus for extracting portable water from the environmental air |
| 08/16/2001 | DE10008035A1 Rammfähiger Brunnenfilter Rammfähiger well filter |
| 08/15/2001 | CN2443046Y Installation for foster and water diversion |
| 08/09/2001 | WO2001057359A2 Apparatus and method for moving fluid |
| 08/02/2001 | DE19913239A1 Verfahren zum Reinigen von Brunnenanlagen und Gerät für die Durchführung des Verfahrens A method of cleaning well systems and apparatus for carrying out the method |
| 08/01/2001 | EP0656448B1 Equipment for storing water for miscellaneous use |
| 07/24/2001 | US6264832 Apparatus for the treatment of rain water |
| 07/11/2001 | CN2438750Y Apparatus for collecting water from air |
| 06/21/2001 | DE19960463A1 Rainwater tank for e.g. carports and terrace dividing walls is long and narrow, has four threaded holes for filling/emptying |
| 06/20/2001 | CN1299906A Long distance delivery of fresh water from river mouth |
| 06/19/2001 | US6248233 Arrangement for removing heavy metal ions from roof runoff waters |
| 06/14/2001 | US20010003313 Integral well filter and screen and method for making and using same |
| 06/13/2001 | EP0722524B1 Tank system |
| 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 |
| 06/13/2001 | CN1067132C Open caisson design method for stabilizing water quantity |