| Patents for E03B 3 - Methods or installations for obtaining or collecting drinking water or tap water (5,213) |
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| 10/20/2004 | EP1194654A4 Diverter valve/filter and downpipe filter |
| 10/20/2004 | CN2649656Y Combined light water pit |
| 10/20/2004 | CN1538011A Device for collecting water from air in dessert region |
| 10/14/2004 | US20040200542 Rainwater collection and bottling system |
| 10/14/2004 | DE202004008560U1 Rising water pipe outlet for drinking- or process-water tank has open collar containing a float physically linked to collar by e.g. chain |
| 10/13/2004 | EP1467035A1 Rainwater collection and bottling system |
| 10/13/2004 | CN1536178A Rainwater collecting and filling system |
| 10/07/2004 | DE202004010594U1 Water storage structure, to hold rain water, is raised over the ground level clear of any flood waters and in a variety of designs to give a wide range of additional applications |
| 10/06/2004 | CN2646224Y Device for preparing water from air |
| 10/05/2004 | US6799430 Atmosphere water recovery |
| 09/30/2004 | DE20308249U1 Method for linking rain water barrels using a siphon with a rigid top piece with bent ends to which are fitted pipe connections reaching down to the bottom of each barrel |
| 09/29/2004 | CN2644525Y Seepage control sunk well |
| 09/23/2004 | US20040182572 Antimicrobial with limited diffusion properties due to a low solubility, such as for instance a polymeric amine, can be utilized within the well bore to minimize diffusion into the surrounding geological structures |
| 09/22/2004 | CN1167858C Plastic leakage-proof film and pneumatic water cover for water storage cellar |
| 09/15/2004 | CN1528989A Fresh water supply method for rainwater and groundwater resource |
| 09/09/2004 | US20040173098 Passive source of fresh water |
| 09/08/2004 | EP1454018A1 Device for conditioning water produced by air conditioning or environmental dehumidification apparatuses or plants |
| 09/08/2004 | CN2639364Y Device for pumping groundwater |
| 09/02/2004 | US20040168795 Well cap systems |
| 09/01/2004 | EP1452654A2 Method for effecting fluid flow in porous materials |
| 09/01/2004 | EP1451414A1 CONTAINMENT/EXCLUSION BARRIER SYSTEM WITH INFUSER ADAPTATION TO WATER INTAKE SYSTEM |
| 09/01/2004 | CN2637565Y Air Water-intaking purifier |
| 08/26/2004 | US20040164261 Automatic bathroom flushers with modular design |
| 08/26/2004 | US20040164031 Submerged water inlet strainer for a water hose |
| 08/26/2004 | DE10306119A1 Ochre feature prevention for fluid-prominent elements at horizontal filter wells, has cathode to aim backlash potential to horizontal filter pipe, slidegate valves, measuring instruments, coat pumps and pressure pipes |
| 08/25/2004 | EP1448481A2 Device for recovering drinking water from condensate as well as a method and a deep-drawing die for production of said device |
| 08/25/2004 | CN2635744Y Polythylene compound material manhole |
| 08/25/2004 | CN2635743Y Impact type diameter enlarging device for plastic pipe well |
| 08/24/2004 | US6780311 Apparatus for supporting a water filter intake |
| 08/19/2004 | WO2004070168A2 Post installation cured braided continuous composite tubular |
| 08/18/2004 | EP1382756A4 Method for extracting water from air and device for carrying out said method |
| 08/18/2004 | CN2633963Y Special brick for water well |
| 08/12/2004 | WO2004067857A1 Device for extracting water from the air by means of condensation |
| 08/12/2004 | WO2004067852A1 Water-intake apparatus and drainage apparatus |
| 08/11/2004 | CN2632593Y Water source well system for sucking and filling alternatively |
| 08/05/2004 | WO2004065701A1 Rainwater filtration and collection system |
| 08/05/2004 | DE20305353U1 Well delivery pipe comprises at least two pipe segments whose outer surfaces are roughened by sand blasting or a similar process and/or are coated with a compound consisting of sand and bonding agents |
| 08/05/2004 | DE20305352U1 Well delivery pipe comprises at least two pipe segments whose joint is sealed by means of rings, tapes or a compound which swell when in contact with water |
| 08/04/2004 | CN2630477Y Water well casing pipe fisher |
| 08/04/2004 | CN1518473A Surface for promoting droplet formation |
| 07/29/2004 | US20040144535 Post installation cured braided continuous composite tubular |
| 07/29/2004 | DE202004008061U1 Steigleitungsrohr für einen Tiefbrunnen Riser pipe for a deep well |
| 07/29/2004 | DE202004008060U1 Vorrichtung zum Evakuieren eines Steigleitungsrohres Apparatus for evacuating a riser pipe |
| 07/29/2004 | DE10037454B4 Neuartige Bauweise von Stauzisternen in Bergregionen Novel construction of storage tanks in mountainous regions |
| 07/28/2004 | CN1159083C Portable drinking water regenerating and distributing device |
| 07/21/2004 | CN2627068Y Mountain land rain-water collection and filter apparatus |
| 07/15/2004 | DE10310420B3 Water-collecting device for collecting, cleaning and re-directing spring water with a collecting shaft comprises a closed container having its own walls independent from the collecting shaft, and a container insert |
| 07/14/2004 | EP1436469A1 Device and method for creating at least one reaction zone in an aquifer |
| 07/07/2004 | CN1510220A Water resource recovering systems |
| 07/01/2004 | DE202004005418U1 Energy saving water supply for building has the consumer units gravity fed from a high mounted tank which is refilled from a rainwater cistern with a submersible pump |
| 06/30/2004 | CN2622257Y Replacement type filtering device |
| 06/29/2004 | US6755037 Apparatus and method for extracting potable water from atmosphere |
| 06/29/2004 | CA2347416C Wide area water collection type underground water tank |
| 06/24/2004 | WO2004053242A1 Liquid storage assembly |
| 06/17/2004 | US20040112839 Containment/exclusion barrier system with infuser adaptation to water intake system |
| 06/16/2004 | EP1428940A2 Device for seeping or restraining of rain water |
| 06/16/2004 | EP1056976A4 Water making apparatus |
| 06/10/2004 | US20040109981 Surface for promoting droplet formation |
| 06/10/2004 | US20040108279 Device and method for creating at least one reaction zone in an aquifer |
| 06/10/2004 | US20040108278 Collecting water on roof surfaces; filtration; sterilization |
| 06/10/2004 | US20040108266 Rainwater tank cleaning system |
| 06/10/2004 | US20040108265 Rainwater tank cleaning system |
| 06/09/2004 | EP0839234B1 Water conservation method and apparatus therefor |
| 06/09/2004 | CN1502753A Water supply mechanical equipment used in ice field of Antarctic zone and Arctic regions |
| 06/03/2004 | DE10251078B3 Abdichtungssystem für den Zwischenraum im Übergangsbereich zweier Brunnenrohre unterschiedlicher Durchmesser und Montagewerkzeug hierzu Sealing system for the gap in the transition region of two tubes of different diameter and fountain assembly tool for this purpose |
| 06/02/2004 | CN1500944A Rainwater storaging filter in the earth |
| 06/02/2004 | CN1151859C Method for separating condensable substances from gases or gas mixtures |
| 05/27/2004 | WO2004044338A1 Schadow cloth to span a basin |
| 05/27/2004 | DE202004001210U1 Deep well for arid areas uses underwater injector connected to water pump with suction pipe to feed container |
| 05/26/2004 | CN2617826Y Rain water reservoir on roof |
| 05/26/2004 | CN1499018A Method for protecting water resources in mine field |
| 05/19/2004 | DE10251422A1 Excess rainwater collection tanks for private housing consists of stainless steel tank in basement, with throttle device for regulated drainage into public sewage system |
| 05/13/2004 | DE20318962U1 Retractable reactor for removing solid encrustation and biofilm deposit in an open-flow well shaft sprays ozone-enriched water vapor onto affected surfaces |
| 05/12/2004 | CN2615204Y Full-automatic roof rain collecting utilizing controller |
| 05/06/2004 | US20040084093 Apparatus for collecting limited |
| 04/22/2004 | US20040076524 Water supply system |
| 04/22/2004 | DE20219139U1 Versickerungs- und Rückhalteanlage für Regenwasser Infiltration and retention system for rainwater |
| 04/21/2004 | EP1409932A1 Installation for air conditioning rooms and for producing drinking water |
| 04/21/2004 | CN2612731Y Sand drain cover |
| 04/15/2004 | DE10246580A1 Water collection tank, to retain flood water and prevent spreading, is pumped up by compressed air to take water in by a suction pump through an opening, and drain openings to release the water |
| 04/08/2004 | WO2004029372A1 Method and apparatus for collecting atmospheric moisture |
| 04/01/2004 | WO2004026711A1 Large-volume container comprising two parts and a support device located in the connection region |
| 04/01/2004 | DE10244089A1 Method for reducing the risk of flooding has a multitude of wells along the river bank, each having a powerful pump to deliver the overflow water to a remote safe area |
| 04/01/2004 | DE10242387A1 Großvolumiger Behälter mit zwei Behälterteilen und einer Stützvorrichtung im Verbindungsbereich Large volume container with two container parts and a support device in the connection area |
| 04/01/2004 | CA2498318A1 Large-volume container comprising two parts and a support device located in the connection region |
| 03/31/2004 | CN1485506A Water gaining apparatus of refrigerating and condensing air with semiconductor powered by solar energy |
| 03/17/2004 | CN2606868Y Producing and recharging system for geothermal hot water |
| 03/17/2004 | CN1482312A Process for the preparation of water inlet adjustable water cellar desilting basin |
| 03/16/2004 | US6705104 Fresh water generating apparatus |
| 03/11/2004 | WO2004020919A1 Device for extracting water from the atmosphere |
| 03/11/2004 | WO2004020749A1 Supplying water to a reticulation system from different sources |
| 03/11/2004 | WO2004020748A1 Rainwater collection, storage and supply system |
| 03/11/2004 | CA2496892A1 Supplying water to a reticulation system from different sources |
| 03/04/2004 | WO2003102346A3 Downhole desalination of aquifer water |
| 03/04/2004 | US20040040322 Apparatus and method for extracting potable water from atmosphere |
| 03/04/2004 | DE10237299A1 Kunststoffbehälter zum Sammeln von Regenwasser Plastic container for collecting rainwater |
| 03/03/2004 | CN1478379A Rain collecting water storing tank |
| 03/02/2004 | US6698976 Grouting pipe equipment and method of grouting using the same for an underground water well |
| 02/26/2004 | WO2004016867A1 Plastic container for collecting rain water |
| 02/25/2004 | EP1390591A1 A device for collecting and storing water from the environment |