Patents for E03B 3 - Methods or installations for obtaining or collecting drinking water or tap water (5,213) |
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05/29/2001 | US6237685 Bolt-on well adapter |
05/29/2001 | US6237352 Water producing and dispensing machine |
05/23/2001 | EP1101873A2 Filter tube for placing in a borehole and method for manufacturing the filter tube |
05/23/2001 | DE19932593C1 Generation method for pulsating pressure waves for well regeneration supplies pulsating pressure medium via buffer store into working section in well, to press water through filter walls into filter gravel |
05/16/2001 | CN1295662A Water making apparatus |
05/09/2001 | CN2429474Y Pressured water tank |
05/09/2001 | CN1065581C Method of excavating submerged sand well in river |
05/03/2001 | WO2001030703A1 Improvements in water generating devices |
05/03/2001 | DE19948345A1 Construction process for horizontal well filter uses well filter tube with filter gravel jacket inserted into dead end bore protected by bore hole tubing |
05/03/2001 | DE19947337A1 Utilization of rainwater in mountain regions involves collection of water and further conveying in reservoirs inside mountains |
04/12/2001 | DE10037858A1 Ground-based rainwater utilization installation for feeding drinking water to domestic cistern |
04/05/2001 | DE19942240A1 Filter for rainwater collection device has filter element positioned in horizontal flow path between rainwater entry and dirty rainwater discharge connections for providing self-cleaning effect |
04/04/2001 | EP1088138A1 Method and apparatus for extracting water from atmospheric air |
03/29/2001 | DE19939337A1 Method for preventing overflow of cistern assigned to house or house group involves conducting overflow quantity of collected rainwater in channel pipe where cisterns are pumped sequentially |
03/27/2001 | CA2138401C Process and tool for laying underground collector mains for liquids and gases |
03/21/2001 | EP1085131A2 Rainwater recovery device |
03/20/2001 | US6202750 Dual cylinder water well filter and method of using the same |
03/20/2001 | US6202749 Well screen system |
03/08/2001 | WO2001016028A1 Cooling apparatus for making drinkable water |
03/08/2001 | DE10033076A1 Water storage container for rainwater |
02/22/2001 | WO2001013053A1 Water producing and dispensing machine |
02/22/2001 | DE10015403A1 Platform is made of rubble and fixed with concrete corresponding to the load, e.g. wind electro-energy producing device |
02/15/2001 | WO2001011152A1 Method for obtaining water from air |
02/06/2001 | US6182680 Rain water vessel |
02/06/2001 | US6182453 Portable, potable water recovery and dispensing apparatus |
01/24/2001 | CN2416139Y Apparatus for obtaining water from humid air |
01/24/2001 | CN2416138Y Automatic storage water apparatus for weir pool, reservoir bottom wellmouth |
01/23/2001 | US6176065 Stacked structure |
01/18/2001 | DE19932320A1 Condensation assembly extracts water from air as alternative to desalination of sea water |
01/16/2001 | US6174107 Device for creation of an oxidation and precipitation zone or a reduction zone in an aquifer |
01/11/2001 | DE19912449C1 Self-cleaning rainwater filter comprises sloping passage containing tubular element which can be rotated about its axis to vary filtration performance |
01/04/2001 | WO2001000937A1 Diverter valve/filter and downpipe filter |
12/28/2000 | WO2000079309A1 Method and installation for tapping fresh water and detecting fresh water source at sea |
12/27/2000 | CN2412040Y 高压压水井 High pressure wells |
12/27/2000 | CN2412039Y Household running water machine |
12/06/2000 | EP1056976A1 Water making apparatus |
11/21/2000 | US6151566 Piecewise continuous control of groundwater remediation |
11/08/2000 | CN2404930Y Top covering type water storage tank installation structure |
11/08/2000 | CN2404929Y Flexible leakage-proof liner for water storage cell |
11/02/2000 | WO2000065161A1 Integrated hydrologic circuits in valley-systems for water-supply, hydro-electricity and flood-control |
10/26/2000 | DE19914008A1 Underground tank, in particular, rainwater tank comprises a tank body whose top section is drawn upwards into a cylindrical neck element |
10/19/2000 | WO2000061881A1 Flat pack water butt |
10/19/2000 | CA2368936A1 Flat pack water butt |
10/18/2000 | CN2401600Y Domestic automatic water supply device |
10/11/2000 | CN2400504Y Dual-purpose deep-well double pull rod pump |
09/28/2000 | DE19911003A1 Storage chamber liquid supply equipment, especially for collected rainwater supply to a cistern, has an inlet channel which is automatically opened and closed depending on the storage chamber filling state |
09/27/2000 | CN2398338Y Multilayer composite plastic film water container |
09/20/2000 | CN2397185Y Air water-obtaining equipment |
09/19/2000 | US6120210 Use of porous medium in an integrated hydrologic circuit for water storage and transport in land reclamation, agriculture, and urban consumptions |
09/14/2000 | DE19911009A1 Rainwater collection tank consists of cylindrical body with threaded opening for height adjustable intake/inspection socket |
09/12/2000 | US6116034 System for producing fresh water from atmospheric air |
09/08/2000 | WO2000052269A1 Rainfall collection system |
09/07/2000 | DE19907975A1 Fluid storage and dispenser device comprizes fixed body with interior storage cavity as part of building structure in body system of pipe-linked modules of appropriate material. |
09/05/2000 | CA2188889C Radial-flow filter and method of manufacture |
09/02/2000 | CA2264440A1 Rainfall collection system |
08/30/2000 | CN2393915Y Multifunctional watersupply pipelines |
08/23/2000 | CN2392819Y Water-holding kiln liner |
08/16/2000 | EP0954647A4 Rain water vessel |
08/01/2000 | US6095719 Process for constructing intake pipe |
07/27/2000 | DE10000676A1 Reservoir tank for collecting and storing rain water is fitted internally with preformed components for mounting water treatment equipment |
07/26/2000 | CN2389177Y Pneumatic jet-flow water repairing equipment for faulty water source well |
07/20/2000 | DE19901322A1 Rainwater collecting tank is fitted onto a flat roof to collect water from a higher roof |
07/06/2000 | WO2000039408A1 A method and an apparatus for utilising glacier ice as drinking water |
07/06/2000 | CA2356630A1 A method and an apparatus for utilising glacier ice as drinking water |
07/05/2000 | EP1015094A4 Radial-flow filter and method of manufacture |
07/05/2000 | EP1015094A1 Radial-flow filter and method of manufacture |
06/29/2000 | DE19944155A1 Device for collecting and storing rainwater from roofs comprises inlet sleeve and outlet sleeve with a deflector unit to direct incoming water |
06/29/2000 | DE19859386A1 Anordnung zur Entfernung von Schwermetallionen aus Dachablaufwässern Arrangement for removing heavy metal ions from roof runoff waters |
06/28/2000 | EP1013611A1 System for removing heavy metals from waters collected from roofs |
06/28/2000 | CN2385069Y Immersible mud turntable |
06/21/2000 | CN2383891Y Automatic controlling water supplying machine for agricultural domestic running water |
06/21/2000 | CN1053724C Device for collecting drinking water from atmosphere |
06/20/2000 | US6076994 Method and apparatus for providing water from a body of water |
06/15/2000 | DE19856660A1 Overflow prevention device for rainwater collection barrels consists of flap valve operated by float in down pipe, opened/closed automatically dependent upon water level in barrel |
06/14/2000 | CN1256338A Vibrating well driller and drilling process |
06/13/2000 | US6073583 Escape mechanism for water vessel |
06/08/2000 | DE19853211A1 Brunnenrohr Well pipe |
06/07/2000 | EP1005594A1 Apparatus for the treatment of rain water |
06/06/2000 | CA2084402C Serpent sediment-sluicing system |
06/02/2000 | WO2000030979A1 Integrated hydrologic circuit |
05/31/2000 | EP1004547A1 Integrated hydrologic circuit |
05/24/2000 | EP1002906A2 Well pipe |
05/24/2000 | EP1002905A2 Rainwater collection and distribution system with high hydrostatic pressure |
05/24/2000 | CN2379526Y Man power water lifting means |
05/17/2000 | CN2378443Y Closed well cover for underground water pump house using at floodway district, flood detention district and shoaly district |
05/11/2000 | WO2000025895A1 Method for separating condensable substances from gases or gas mixtures |
05/10/2000 | CN2377220Y Water tank |
05/10/2000 | CN1052286C Equipment for storing water for miscellaneous use |
05/09/2000 | US6058718 Portable, potable water recovery and dispensing apparatus |
05/04/2000 | WO2000024974A1 Wide area water collection type underground water tank |
05/04/2000 | WO2000006486A3 Porous medium in an integrated hydrologic circuit |
05/04/2000 | DE19850557A1 Verfahren zur Abtrennung von kondensierbaren Substanzen aus Gasen oder Gasgemischen Process for the separation of condensable substances in gases or gas mixtures |
04/27/2000 | WO2000023659A1 Integrated hydrologic circuits |
04/20/2000 | DE19847485A1 Filter for water supply, especially stored rainwater, has middle part with filter screen movable between two positions inside |
04/13/2000 | DE19843292A1 Equipment for cleaning spring wells, pipelines and vessels using pressure pulses, comprises cylinder containing pressure chamber with piston supported on elastic material |
03/30/2000 | DE19844470A1 Liquid container, e.g. for rainwater from roof, with elastically deformable insert relieving part of liquid pressure |
03/16/2000 | WO2000014464A1 Ambient air water extraction and supply apparatus and method |
03/09/2000 | DE19839873A1 Arrangement for raising and lowering cleaning device in vertical, clad earth shaft, e.g. well shaft, has motor-driven winch above ground with pipe section on drum with central connector |
03/09/2000 | DE19832182A1 Water precipitation from humidity by air cooling uses reciprocating compressor with compression and expansion stages for coolant evaporation and water recovery. |
03/02/2000 | WO2000011312A1 Grouting pipe equipment and method of grouting using the same for an underground water well |