| Patents for E03B 3 - Methods or installations for obtaining or collecting drinking water or tap water (5,213) |
|---|
| 05/08/2003 | US20030085226 Flat pack water butt |
| 05/08/2003 | US20030085166 Containment/exclusion barrier system with infuser adaptation to water intake system |
| 05/08/2003 | DE20303259U1 Rain water cistern has overflow control by closing inlet |
| 05/06/2003 | US6557565 Perforated casings for cleaning and disinfecting water wells |
| 05/01/2003 | WO2003036013A2 Method of and equipment for the rehabilitation of water wells |
| 04/30/2003 | CN2547772Y Efficient long-life water-filtering motor-pumped well pipe |
| 04/30/2003 | CN1414189A Technical method and device for preparing drinking water from air |
| 04/30/2003 | CN1414188A Sloop land interstifial flow collection method and device |
| 04/29/2003 | US6553723 Rainwater collection and storage system |
| 04/23/2003 | CN2546504Y Peasant family automatic obtaining and storing water system |
| 04/09/2003 | CN2543998Y Universal protective board type water transmission trough |
| 04/03/2003 | DE20301509U1 Storage tank for rainwater has upper inlet with filter and run off outlet to reduce filter soiling |
| 04/02/2003 | CN2542764Y Water-storage water-saving down pipe |
| 03/27/2003 | US20030056957 Method for improving well quality |
| 03/26/2003 | CN1103843C Method and apparatus for extracting water from atmospheric air |
| 03/20/2003 | US20030051882 Potable well conversion device |
| 03/19/2003 | EP1292758A1 Well maintenance equipment and procedure |
| 03/04/2003 | US6526699 Water holding and dispersing apparatus |
| 02/26/2003 | EP0646213B2 Process and tool for laying underground collector mains for liquids and gases |
| 02/20/2003 | WO1997038272A8 Portable/potable water recovery and dispensing apparatus |
| 02/18/2003 | US6520750 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 |
| 02/13/2003 | WO2002094725A3 A method and device for recovery of water from the atmospheric air |
| 02/13/2003 | DE20213596U1 Pond drainage system capable of removing sludge, comprises combination of perforated vertical stand pipe and sludge removal pipe located inside drain |
| 02/12/2003 | CN2534808Y Rain-water accumulating pot for farm and forestry |
| 02/05/2003 | CN2534244Y Domestic water-saving system |
| 01/29/2003 | CN2533159Y Reinforced concrete well tube |
| 01/29/2003 | CN1100183C Wide area water collection type underground water tank |
| 01/22/2003 | CN1392312A Water making machine |
| 01/16/2003 | US20030010726 Water well filter device and method of filtering air that enters into a water well |
| 01/08/2003 | CN1389095A Steam recovering system for terrestrial heat exchange |
| 01/02/2003 | DE20121591U1 Roof rain water trap has sheet metal channel draining to under-roof cistern |
| 12/31/2002 | US6499309 Water supply system by condensing air humidity |
| 12/25/2002 | CN1386937A Water generator by temp-difference condensing |
| 12/25/2002 | CN1097134C Grouting pipe equipment and method of grouting using same for underground water well |
| 12/19/2002 | US20020189273 Fresh water generating apparatus |
| 12/18/2002 | CN2526352Y Water storage pipe for use under green land of city |
| 12/18/2002 | CN1385587A Siphon type temp. difference condensating water-making apparatus |
| 12/12/2002 | US20020187054 Electric pumping apparatus with extendable drawing pipe and pump light tower |
| 12/05/2002 | DE10118648A1 Installation for the selective diversion of waste outflow, passes waste water out of the flow for further use e.g. flushing toilets, while raw sewage is passed to the sewage system |
| 11/28/2002 | WO2002094725A2 A method and device for recovery of water from the atmospheric air |
| 11/21/2002 | US20020172559 Underground alluvial water storage reservoir and method |
| 11/20/2002 | EP1257713A1 Apparatus for extracting portable water from the environmental air |
| 11/20/2002 | CN2521260Y Backstop for free-suspension system in deep well |
| 11/20/2002 | CN2521259Y Field pipe well water pumping apparatus |
| 10/31/2002 | WO2002086253A1 A device for collecting and storing water from the environment |
| 10/31/2002 | WO2002086245A1 Method for extracting water from air and device for carrying out said method |
| 10/31/2002 | WO2002085484A1 Surface for promoting droplet formation |
| 10/31/2002 | DE10120410A1 Cistern for the collection of rain water, for use, has a pump to clean the filter at the inflow pipe, in an automatic action, triggered by a sensor when the filter is clogged |
| 10/24/2002 | DE10105173C1 Drinking water rain purifier has purifier container in pipeline between collection tank and washing machine to allow extraction of drinking water |
| 10/23/2002 | EP1251218A1 A device for collecting and storing water from the environment |
| 10/16/2002 | CN2516604Y Machine for purifying water from humid air |
| 10/16/2002 | CN2516603Y Reinforced concrete well tube |
| 10/16/2002 | CN2516602Y Silent stock tube well enlarging device |
| 10/10/2002 | DE10115019A1 Rain water filter comprises filter housing, rain water supply line, overflow, storage area supply line and filter |
| 10/09/2002 | CN2515254Y Liquid lifting device with rotary bucket |
| 10/02/2002 | DE10112339A1 Liquid drawing off unit comprises floating member with closed double pipe mantle and standpipe that locates into space between pipes |
| 09/26/2002 | WO2002075106A1 Water well filter apparatus |
| 09/25/2002 | CN2512821Y Autoamtic temperature control air water collection device |
| 09/19/2002 | WO2002072965A1 Apparatus for collecting limited |
| 09/18/2002 | CN1369598A Machine for extracting water from air |
| 09/12/2002 | WO2002070828A1 Well with tank and method to carry out thereof |
| 09/11/2002 | EP1239232A1 Air treatment unit |
| 09/11/2002 | CN2510547Y Natural wet-air energy collecting apapratus |
| 09/10/2002 | US6447260 Extendable mobile pumping apparatus |
| 09/06/2002 | WO2002040125A3 Fresh water collection system |
| 09/05/2002 | DE10109682A1 Well pipe separator removing petrol and oil safely from water in potentially-explosive conditions, employs float valve operated by compressed air |
| 08/29/2002 | DE19853740C2 Regenwassersammel- und Verteilsystem mit hydrostatischem Druck Regenwassersammel- and distribution system with hydrostatic pressure |
| 08/29/2002 | DE10107981A1 Verfahren und Vorrichtung zur Wassergewinnung Method and apparatus for water production |
| 08/29/2002 | DE10059305C1 Vorrichtung zum Reinigen eines Mehrphasen-Gemisches von insbesondere Dachablauf- und/oder Zisternen-Rohwasser A device for cleaning a multiple phase mixture of particular Dachablauf- and / or cisterns raw water |
| 08/21/2002 | CN2506704Y Sand free reinforced concrete water filter pipe |
| 08/21/2002 | CN2506703Y Steel hoop for well pipe |
| 08/20/2002 | US6436283 Portable rainwater collecting and purifying system |
| 08/20/2002 | US6436172 Water from air; capillary condensation on hydrophobic porous structure; regeneration using direct and stored renewable energy sources, such as solar energy, photovoltaics or wind energy; high yield |
| 08/14/2002 | CN2505519Y Automatic water supply tank using rain-water |
| 08/08/2002 | DE10113658C1 Verfahren zur Herstellung einer Schweißverbindung zwischen einem Wickeldrahtfilter und einem Rohranschlussstück A method for producing a welded connection between a wire wrapped screen, and a pipe connection piece |
| 08/07/2002 | CN1362559A Computer-controlled water-intaking air mechanism |
| 07/31/2002 | CN1361336A Filmed underground water pit |
| 07/25/2002 | WO2002008523A3 Selective reservoir withdrawal system |
| 07/17/2002 | EP1015094B1 Radial-flow filter and method of manufacture |
| 07/02/2002 | US6413053 Apparatus and method for moving fluid |
| 07/02/2002 | CA2212411C Method for improved water well production |
| 06/26/2002 | CN2496923Y Ground water fresh-preserving apparatus |
| 06/20/2002 | WO2002048469A1 Device and method for creating at least one reaction zone in an aquifer |
| 06/13/2002 | US20020069653 Water producing and dispensing machine |
| 06/06/2002 | WO2002044481A1 Device for conveying raw water or industrial water |
| 06/05/2002 | EP1211360A2 Device for the cleaning of a multi-phase liquid, particularly of roof rain water and/or water-butt water |
| 05/29/2002 | EP1208064A1 Improvements in water generating devices |
| 05/23/2002 | WO2002040925A1 Installation for air conditioning rooms and for producing drinking water |
| 05/23/2002 | WO2002040125A2 Fresh water collection system |
| 05/23/2002 | DE10057578A1 Arrangement for airconditioning rooms and producing drinking water comprises solar collectors, a cooler unit and capillary mats for heating/cooling which are all connected to a heat storage unit |
| 05/23/2002 | DE10052324A1 Underground tank, in particular, for storing rainwater or waste water takes the form of a tubular body which is located on a substantially horizontal plane and surrounds an interior area |
| 05/23/2002 | DE10052168A1 Device for closing boreholes comprises a threaded connection which takes the form of a sleeve which is held in the cover plate by means of a press fit |
| 05/22/2002 | CN2492597Y Water supply facility |
| 05/21/2002 | US6390192 Integral well filter and screen and method for making and using same |
| 05/16/2002 | US20020056475 Flow control mechanism for an eaves trough downspout |
| 05/10/2002 | CA2325728A1 Flow control mechanism for an eaves trough downspout |
| 05/08/2002 | CN2490211Y Wet electrostatic water collector |
| 05/08/2002 | CN2490210Y Water-saving water storing vessel |
| 05/07/2002 | US6382237 Wide area water collection type underground water tank |
| 05/02/2002 | WO2002035017A1 Well cleaning apparatus and method |