| Patents for E03B 3 - Methods or installations for obtaining or collecting drinking water or tap water (5,213) |
|---|
| 02/18/1987 | CN86201911U Automatic water storage and supply device |
| 02/12/1987 | DE3537609A1 Branching-off means between an essentially vertically running discharge line and a collecting tank |
| 02/11/1987 | CN86104417A Big well cleared and filtrated by riverbed |
| 02/05/1987 | DE3526936A1 Rainwater store according to the water tower principle with remote-controllable filling mechanism |
| 02/04/1987 | CN86103990A Method for the grit-free withdrawal of water from a well and also a device suitable therefor |
| 01/21/1987 | EP0208753A1 Method and device for recovering in liquid form water present in the atmosphere in vapour form |
| 01/21/1987 | CN85104142A Deepwell honeycomb duct |
| 01/17/1987 | CN85101483A Improvement of water purification system |
| 01/02/1987 | DE3523218A1 Well filter pipe and process for the production thereof |
| 12/30/1986 | EP0207042A1 Method for the grit-free withdrawal of water from a well, and a device suitable therefor |
| 12/18/1986 | WO1986007408A1 Method for the grit-free withdrawal of water from a well and also a device suitable therefor |
| 11/25/1986 | US4624603 Underground drain pipe |
| 09/12/1986 | WO1986005221A1 Method for natural reduction of some injurious substances in upper suboil water magazines |
| 07/31/1986 | WO1986004258A1 Method and device for recovering in liquid form water present in the atmosphere in vapour form |
| 07/22/1986 | US4601335 Well device |
| 06/24/1986 | US4596491 Internally reinforced extruded plastic pipe |
| 06/10/1986 | US4594024 Offshore intake structure |
| 06/10/1986 | US4593760 Removal of volatile contaminants from the vadose zone of contaminated ground |
| 02/05/1986 | CN85200961U Adhering gravel filtering pipe with cage of reinforcement |
| 02/04/1986 | US4567731 Artificial iceberg |
| 11/21/1985 | WO1985005098A1 A process for the purification of water |
| 11/13/1985 | EP0160774A1 A process for the purification of water |
| 10/01/1985 | CA1194404A1 Procedure for drawing water from a ground water store |
| 09/24/1985 | US4543186 Polarizing and aerating pumped water |
| 09/18/1985 | EP0154971A2 Fresh water production and irrigation plant |
| 09/18/1985 | EP0154634A1 Water inlet including a rack or frame with drain pipes. |
| 09/17/1985 | US4541488 Pressurized acid treatment, flushing basic treatment and final flushing |
| 08/21/1985 | EP0151921A2 Rain water collector for a down pipe |
| 06/19/1985 | EP0144641A2 Service derrick for a well pump |
| 06/06/1985 | EP0097149A4 Process for increasing the water discharge of water delivering drilled wells. |
| 05/21/1985 | CA1187314A1 Tube material for sour wells of intermediate depths |
| 04/09/1985 | CA1185228A1 Well pipe jack |
| 03/14/1985 | WO1985001076A1 Water inlet including a rack or frame with drain pipes |
| 01/29/1985 | US4495991 Procedure for drawing water from a ground water store |
| 11/16/1984 | EP0049265A4 Pond with filtered water. |
| 08/22/1984 | EP0116181A1 Filter tube |
| 06/05/1984 | US4452548 Pond with filtered water |
| 02/28/1984 | US4433552 Apparatus and method for recovering atmospheric moisture |
| 01/04/1984 | EP0097149A1 Process for increasing the water discharge of water delivering drilled wells |
| 12/06/1983 | US4418549 Apparatus for extracting potable water |
| 11/15/1983 | US4415613 Method for making strengthened porous pipe and resulting product |
| 10/18/1983 | US4410044 Method for orienting well casing and other tubular work objects and device therefor |
| 08/23/1983 | US4400271 Captive air system for water well |
| 08/02/1983 | CA1150928A1 Process and device for collecting rainwater |
| 07/07/1983 | WO1983002296A1 Process for increasing the water discharge of water delivering drilled wells |
| 06/07/1983 | US4386484 Process and device for collecting rainwater |
| 05/10/1983 | US4382470 Method and well casing |
| 02/17/1983 | WO1983000516A1 Method of providing earth covering useful for water harvesting and method for constructing same |
| 02/17/1983 | WO1983000515A1 Method of directing or holding water |
| 02/09/1983 | EP0071340A1 Method of directing or holding water |
| 02/09/1983 | EP0071339A1 Method of providing earth covering useful for water harvesting |
| 12/28/1982 | US4365979 Water producing apparatus |
| 11/09/1982 | US4358511 Tube material for sour wells of intermediate depths |
| 10/13/1982 | EP0062378A1 A plastics pipe comprising longitudinally extending channels in its wall and slits, a method of extruding such a plastics pipe and a plastics well pipe comprising a plurality of interconnected plastics pipes |
| 09/28/1982 | US4351651 Apparatus for extracting potable water |
| 08/24/1982 | US4345917 Adsorption and desorption, heat reservoir |
| 08/17/1982 | US4344778 To produce liquid water from moisture in the air |
| 08/03/1982 | US4342569 Method and apparatus for abstracting water from air |
| 06/29/1982 | US4337006 Device for preparing and cleaning trench for an aquifer recharging system |
| 06/02/1982 | EP0052941A1 Tube material for sour wells of intermediate depths |
| 04/14/1982 | EP0049265A1 Pond with filtered water |
| 02/02/1982 | US4313312 Water producing air conditioning system |
| 12/08/1981 | US4304577 Using adsorption of moisture from a gas |
| 12/01/1981 | US4303833 Natural energy operated pump system |
| 11/10/1981 | US4299599 Using an adsorbent to produce liquid water from air moisture |
| 11/04/1981 | EP0039151A1 Water producing apparatus |
| 10/15/1981 | WO1981002905A1 Pond with filtered water |
| 09/22/1981 | CA1109280A1 Filter tube for drain purposes |
| 08/25/1981 | US4285702 Method and apparatus for the recovery of water from atmospheric air |
| 07/22/1981 | EP0032381A1 Absorption plant for environmental energy |
| 07/08/1981 | EP0031599A1 Process and device for collecting rainwater |
| 04/07/1981 | US4260284 Filter tube for drain purposes |
| 03/18/1981 | EP0025342A1 Apparatus for extracting water from ambient air |
| 02/03/1981 | CA1094888A1 Pipe perforating machine |
| 12/10/1980 | EP0019805A1 Water producing apparatus |
| 11/26/1980 | EP0019143A1 Water producing apparatus |
| 11/25/1980 | CA1090490A1 Process for chemical decontamination of layers of earth |
| 10/28/1980 | CA1088417A1 Device for cleaning widening and repairing of wells |
| 10/07/1980 | CA1087150A1 Sub-surface gate valve |
| 10/01/1980 | EP0016470A1 Water producing air conditioning system |
| 09/23/1980 | US4223724 Device for cleaning, widening and repairing wells of drinking water and irrigation water |
| 09/03/1980 | EP0014895A1 A process for producing liquid water |
| 08/26/1980 | US4219428 Water reservoir |
| 08/05/1980 | US4215727 Plastic well pipe |
| 07/29/1980 | US4214454 Water recovery system |
| 07/23/1980 | EP0013445A1 Hand-driven raw water extraction and treatment device |
| 04/29/1980 | US4200409 Protective side wall for tabular icebergs |
| 04/22/1980 | US4199272 System for recharging aquifer and apparatus therefor |
| 04/15/1980 | US4197713 Process and plant for the recovery of water from humid air |
| 03/04/1980 | US4191491 Creating and maintaining a pool of fresh water on a tabular iceberg |
| 02/12/1980 | US4187876 Sub-surface gate valve |
| 02/12/1980 | CA1071534A1 Method and apparatus for tapping groundwater |
| 01/29/1980 | US4185969 Process and plant for recovering water from moist gas |
| 01/09/1980 | EP0006830A1 Plastic well screen and its connection system |
| 01/08/1980 | US4182414 Water screen |
| 12/04/1979 | US4176716 Method and apparatus for tapping groundwater |
| 10/30/1979 | US4172751 Plurality of panels wound on reels |
| 09/19/1979 | EP0003964A1 Method and installation for recovering water from the atmosphere |
| 09/18/1979 | US4167973 Mixing with oxidizing agent or bactericide |
| 06/13/1979 | EP0002294A1 A plastics well pipe |