| Patents for E03B 3 - Methods or installations for obtaining or collecting drinking water or tap water (5,213) |
|---|
| 09/21/1995 | DE4409124A1 Filter for rainwater gathered from the roof, prevents sludge in the storage |
| 09/20/1995 | CN2208065Y Automatic water container |
| 09/13/1995 | EP0671520A1 Rainwater irrigation system |
| 09/09/1995 | CA2117211A1 Foot valve assembly for lake and river water |
| 08/30/1995 | EP0668960A1 Permeable isolation sectioned screen |
| 08/30/1995 | CN1107643A Process and tool for laying underground collector mains for liquids and gases |
| 08/10/1995 | DE4403545A1 Collapsible container for storing oil and other fluids |
| 07/27/1995 | DE4401252A1 Rainwater collecting and storage tank |
| 07/05/1995 | CN1104552A Well screen having a slurry flow path |
| 06/29/1995 | DE4413075A1 System for forming wall brackets for retaining gutter sand traps |
| 06/28/1995 | EP0659975A2 Well screen having a uniform outer diameter |
| 06/22/1995 | DE4343269A1 Rainwater filter assembly pipe on inner face of descending pipe |
| 06/21/1995 | CN2201425Y Pump-less automatic water pipe well |
| 06/14/1995 | CN2200664Y No-pump automatic water intaking pipe well |
| 06/07/1995 | EP0656448A1 Equipment for storing water for miscellaneous use |
| 06/03/1995 | CA2136694A1 Well screen having a uniform outer diameter |
| 05/10/1995 | EP0652327A2 Branching element for installing in a downpipe of a roof gutter |
| 04/27/1995 | DE4332690A1 Process for regenerating and/or looking after wells, and apparatus for carrying out the process |
| 04/26/1995 | CN2195571Y Device for producing fresh water from air |
| 04/20/1995 | WO1995010342A1 Water extraction process and device |
| 04/19/1995 | EP0648914A1 Device for influencing liquid present in the soil |
| 04/18/1995 | US5407091 Rainwater storage tanks |
| 04/05/1995 | EP0646213A1 Process and tool for laying underground collector mains for liquids and gases |
| 04/05/1995 | EP0526448B1 Serpent sediment-sluicing system |
| 04/05/1995 | CN2193891Y Double-wall cylindrical open well frame |
| 03/30/1995 | DE4331955A1 Suction device on pumps |
| 03/22/1995 | CN2192661Y Two-purpose small-sized intake water device of deep-well for courtyard |
| 03/21/1995 | US5398517 Potable water collection coil cleaning apparatus |
| 03/14/1995 | US5396950 Apparatus and methods for horizontal completion of a water well |
| 03/02/1995 | DE4329438A1 Rainwater store |
| 03/01/1995 | EP0640742A2 Method and device for influencing a liquid present in the soil |
| 02/28/1995 | US5393418 Water intake, in particular for industrial installations |
| 02/28/1995 | US5392806 Foot valve assembly for lake and river water intake |
| 02/09/1995 | WO1995004194A1 Method and structure for extracting ground water in an area with impounded aquifers or with aquifers situated at different altitudes |
| 02/02/1995 | DE4325409A1 Container produced from composite glass fibre material |
| 02/01/1995 | EP0636749A1 Container made from glass fibre composite |
| 01/26/1995 | WO1995002735A1 Plant for the gathering up of natural existing groundwater and/or for the maintenance of natural existing groundwater levels |
| 01/12/1995 | DE4323990C1 Rainwater-utilisation plant with a filter device |
| 01/11/1995 | EP0633363A1 Container for the collection of rainwater |
| 12/22/1994 | DE4320419A1 Liquid filter unit, in particular for rainwater |
| 12/14/1994 | CN1096231A Permeating canal type under water device for purifying water |
| 12/08/1994 | WO1994028258A1 Equipment for storing water for miscellaneous use |
| 12/08/1994 | DE4318759A1 Device for cleaning pipes |
| 11/24/1994 | DE4316973A1 Well pipe with partition walls |
| 11/23/1994 | EP0625228A1 Automatic rain water collection device on downpipe-------------- |
| 11/16/1994 | CN2182824Y Sealed type installation for obtg. water from surface of a reservoir |
| 11/10/1994 | WO1994025691A1 Potable rainwater collecting apparatus |
| 11/10/1994 | CA2160533A1 Potable rainwater collecting apparatus |
| 11/09/1994 | CN1094783A Technique for installation of well drilling equipment |
| 11/02/1994 | EP0622523A2 Well screen having a slurry flow path |
| 11/02/1994 | CN1094469A Device for collecting drinking water from the atmosphere |
| 10/27/1994 | WO1994024414A1 Process and tool for laying underground collector mains for liquids and gases |
| 10/26/1994 | EP0620882A1 Means for storing of fresh water |
| 10/18/1994 | US5355948 Well liner |
| 10/13/1994 | WO1994022554A1 Filter |
| 09/28/1994 | EP0617194A2 A well screen |
| 09/23/1994 | CA2119520A1 Sintered spherical plastic bead prepack screen aggregate |
| 09/22/1994 | DE4327317C1 Rainwater collector |
| 09/22/1994 | DE4320761A1 Tank |
| 09/20/1994 | US5348420 Method and arrangement for influencing liquid in ground |
| 09/15/1994 | WO1994015722A3 Permeable isolation sectioned screen |
| 09/15/1994 | DE4307066A1 Cistern for collecting and storing rainwater |
| 09/14/1994 | CN1092042A Weeping well with natural filter bed |
| 09/08/1994 | DE4338085A1 Filter device for a shaft for receiving liquids |
| 09/08/1994 | DE4306774A1 Device for connecting bonded-gravel filter pipes for wells, in particular for a suspended installation |
| 09/06/1994 | US5343965 Apparatus and methods for horizontal completion of a water well |
| 08/31/1994 | CN2175788Y Air water intake device |
| 08/25/1994 | DE4326587A1 Rainwater-collecting installation with a cistern |
| 08/23/1994 | US5339895 Sintered spherical plastic bead prepack screen aggregate |
| 07/21/1994 | WO1994015722A2 Permeable isolation sectioned screen |
| 07/19/1994 | US5330289 Serpent sediment-sluicing system |
| 06/23/1994 | DE4242629A1 Well water cleaning |
| 06/22/1994 | CN1088288A Permeable isolation sectioned screen |
| 06/21/1994 | US5322128 Method of forming well regions |
| 06/16/1994 | DE4242226A1 Rainwater collector for building with flat roof - has tubular siphon with small cross-section forming inlet on flat roof, which from top is inserted in one of rain fall tube |
| 06/15/1994 | EP0601148A1 Method and device for delaying the run-off of flash-storm water or ordinary rainwater from roofs and other surfaces with a water-retention capability |
| 06/09/1994 | DE4241078A1 System for irrigation of deserts - by using solar energy to generate power to form cold surfaces for water condensation. |
| 05/25/1994 | EP0598316A1 Process for circulation of groundwater in areas with a sloping groundwaterlevel |
| 05/18/1994 | EP0597716A1 Device for collecting drinking water from the atmosphere |
| 05/11/1994 | DE4233494A1 Anlage zum Sammeln von Brauchwasser aus Regenwasser System for collecting process water from rainwater |
| 05/11/1994 | CN1086569A Converting technique of surface water and groundwater |
| 05/05/1994 | DE4237201A1 Domestic rainwater catchment device for a fallpipe system - having a self clearing filter screen and catchment drum |
| 04/28/1994 | DE4235122A1 Utilisation equipment for rainwater - has tank supplied by downpipe and with distribution outlets also overflow outlet for surplus water |
| 04/14/1994 | WO1994008102A1 System for recovering water for domestic use from rain water |
| 04/12/1994 | US5301516 Potable water collection apparatus |
| 04/12/1994 | US5301474 Roofing system for potable water |
| 03/30/1994 | CN2159974Y Running water pumping machine |
| 03/30/1994 | CN1084600A River water purifying bed |
| 03/10/1994 | DE4229531A1 Maintenance-free rain water utilisation system - has opto-electronic monitors detecting whether input water can be treated or has to be rejected |
| 03/02/1994 | CN1083154A Double-wall corrugated pipe well and technique for placing pipe into well in counterweight way |
| 02/02/1994 | CN2154871Y Deep well silt removing apparatus |
| 01/27/1994 | DE4226871C1 Water extn. system with water treatment in aquifer - allows addn. of further wells and has long service life |
| 01/25/1994 | US5281333 Arrangement for cleaning ground water |
| 01/20/1994 | WO1994001638A1 Arrangement at drain-pipe |
| 01/13/1994 | DE4222867A1 Industrial water conduction system - has at least one conveying pump driven by controller |
| 01/06/1994 | WO1994000653A1 Method and device for delaying the run-off of flash-storm water or ordinary rainwater from roofs and other surfaces with a water-retention capability |
| 01/04/1994 | US5275739 In-situ restoration of contaminated soils and groundwater using calcium chloride |
| 01/04/1994 | US5275643 Fog water collecting device |
| 12/23/1993 | WO1993025768A1 Means for storing of fresh water |
| 12/22/1993 | CN2150245Y Device for dredging a manual water-pumping well |