Patents
Patents for E03B 3 - Methods or installations for obtaining or collecting drinking water or tap water (5,213)
02/2004
02/19/2004DE20318068U1 Inverted siphon for transferring water from first to second rainwater barrel has pipe bent into inverted U-shape and has collector and discharge chambers surrounding ends of pipe
02/12/2004WO2003040479A9 Containment/exclusion barrier system with infuser adaptation to water intake system
02/12/2004WO2003036013A3 Method of and equipment for the rehabilitation of water wells
02/12/2004DE4439093B4 Wasserfalle Water trap
02/12/2004DE20317918U1 Closure for drinking water plastic container has upper clamping plate with a groove over a lower plate with a matching profile
02/12/2004DE20305875U1 Rainwater down pipe for collecting and storing rainwater has a water storage device arranged around it
02/12/2004DE20214119U1 Sub-soil plastic cistern for rainwater or household liquid effluent has two halves linked by open passage and a single filing inlet/outlet
02/11/2004EP1169520B1 Flat pack water butt
02/11/2004CN1474000A Percolation water intaking method of new engineering structure
02/10/2004US6688105 Iceberg utilization process improvement
02/04/2004EP1385591A1 Surface for promoting droplet formation
02/04/2004CN2602061Y Apparatus for collecting fresh water from air
02/04/2004CN1472402A 人工集雨面 Harvesting artificial surface
02/03/2004US6684945 Air cleaners comprising housings suppported on casings and gaskets for sealing bores to prevent dirt, dust, bacteria, volatile organic compounds, (vocs), insects and impurities from entering water
02/03/2004US6684648 Apparatus for the production of freshwater from extremely hot and humid air
01/2004
01/28/2004CN1470719A Dynamic water resource development technical system
01/22/2004DE10052168B4 Verschlußvorrichtung für Bohrlöcher Device for closing holes
01/21/2004EP1382756A1 Method for extracting water from air and device for carrying out said method
01/01/2004US20040000165 Condensation, accumulation water; photoelectric cells
12/2003
12/31/2003CN2595888Y Backwater funnel for recorering rain device on building roof
12/31/2003CN2595887Y Under ground water pool in desert
12/31/2003CN1463585A Rain harvesting integrated complex apparatus
12/24/2003WO2003040040A3 Device for recovering drinking water from condensate as well as a method and a deep-drawing die for production of said device
12/24/2003CN2594360Y Water-storage rainshade
12/18/2003WO2003104571A1 Device for collecting atmospheric water
12/18/2003US20030230535 Downhole desalination of aquifer water
12/17/2003CN1131359C Adsorption air water-intaking equipment
12/17/2003CN1131358C Solar energy adsorption type air water drawing mechanism
12/16/2003US6663769 System for utilizing rainwater collected at buildings
12/11/2003WO2003102346A2 Downhole desalination of aquifer water
12/10/2003CN2591106Y City antiwaterlogging fireproof, heatstorke prevention and drought protection rainwater penetration tank and corollary equipment thereof
12/09/2003US6660170 Containment/exclusion barrier system with infuser adaptation to water intake system
12/04/2003WO2003100211A1 Expandable screen for a horizontal or high-angle well and method for installing the same
12/04/2003WO2003099408A1 Device for recovering used water
11/2003
11/27/2003WO2003083226A3 Water collection
11/27/2003WO2003038227A3 Filter train for underground collecting mains and method for introducing said filter train into predetermined layers of soil
11/26/2003CN2587942Y Motor-pumped well
11/13/2003DE20313518U1 Plant protection device designed as concave transparent umbrella with central pole used as watering duct
11/12/2003EP1257713B1 nPPARATUS FOR EXTRACTING POTABLE WATER FROM THE ENVIRONMENTAL AIR
11/11/2003US6644060 Apparatus for extracting potable water from the environment air
11/06/2003DE20311630U1 Recovery of water from moist substances, employs naturally-heated hollow vessel with drain channel for condensed water
11/05/2003CN2584676Y Machine for preparing drinking water from humid air
10/2003
10/29/2003CN2583204Y Interstifial flow collecting storage pipe
10/22/2003CN2581527Y Air pressure type deep well water intaking device
10/22/2003CN1451068A Apparatus for extracting portable water from the environmental air
10/22/2003CN1125216C Water supply pipe with natural sand discharging function
10/15/2003CN2579957Y New water saving device
10/15/2003CN1448591A 井 Well
10/15/2003CN1124386C Adsorption-type solar water generator with air as raw material
10/09/2003WO2003083226A2 Water collection
10/08/2003EP1350902A2 Arrangement for collecting rainwater and a rainwater tank
10/08/2003CN2578738Y Solar device for thawing out snow into water
10/08/2003CN2578397Y Rain filter on roof
10/01/2003CN2576806Y Surface water intaking apparatus
10/01/2003CN2576805Y Assembled water cellar
09/2003
09/25/2003US20030180094 Aquifer recharge valve and method
09/25/2003DE20310208U1 Tank for collecting waste water or rain is square and has support bars molded on its base, prefabricated connectors being fitted on at least three sides and at least three sides having access holes
09/24/2003CN2575162Y Small automatic water supply device
09/24/2003CN2575161Y Improved allocation structure for building service pipe system
09/18/2003DE20309153U1 Wood system house has utility core located centrally in building and extending through all floors, and consisting of prefabricated component with supporting wooden construction with inner and outer panelling and insulated cavities
09/18/2003DE20309152U1 Wooden modular house has foundation component prefabricated from water-tight concrete and constructed as support element for self alleviating and load alleviating insulating core and part of floor of ground story
09/17/2003CN2573556Y Solar adsorption device for obtaining water
09/17/2003CN2573555Y Solar adsorption device for obtaining water
09/16/2003US6619312 Flow control mechanism for an eaves trough downspout
09/11/2003US20030167779 Atmosphere water recovery
09/09/2003US6616376 Bagging icebergs
09/04/2003WO2003073029A1 Portable, potable water recovery and dispensing apparatus
08/2003
08/28/2003US20030159457 Production of potable water and freshwater needs for human, animal and plants from hot and humid air
08/20/2003CN2567274Y Apparatus for collecting water from air by solar semiconductor refrigeration dewfall method
08/20/2003CA2419395A1 Air filter for a well
08/14/2003US20030150483 Apparatus and method for harvesting atmospheric moisture
08/14/2003DE20304923U1 Equipment for detecting and protecting against lifting forces and leaks of rainwater storage cisterns for water industrial use
08/13/2003EP1334780A2 Method and device for skimming off pollutants such as hydrocarbons from groundwater
08/13/2003CN1435542A Automatic water separating device for rain and snow collected water
07/2003
07/31/2003US20030143092 Water supply system
07/22/2003US6595277 Contains microorganism filter element having sufficiently small pore sizes to stop microorganisms from passing through
07/15/2003US6592342 Water supply system
07/15/2003US6592299 Method and an installation for collecting from and detecting a fresh water spring at sea
07/08/2003US6588226 Water recovery and dispensing systems and methods for using the same
07/08/2003US6588225 Water making apparatus
06/2003
06/26/2003WO2003052209A1 Device for conditioning water produced by air conditioning or environmental dehumidification apparatuses or plants
06/26/2003WO2003051775A1 Aquitransistors for integrated hydrologic circuit
06/26/2003US20030118405 Method of construction for draining the ground and the like
06/26/2003US20030118402 Corrugated plate of plastics used for method of construction for draining the ground and the like
06/25/2003EP0819207B1 Method for improved water well production
06/24/2003US6581683 Water well filter apparatus
06/18/2003DE20305972U1 Collection tank for rainwater has extraction tap near base, is mounted on frame with space for watering can, and fits over downpipe on house wall
06/18/2003CN2556270Y Cement motor-pumped well pipe
06/10/2003US6576123 Arrangement for removing heavy metal ions from roof runoff waters
06/10/2003US6574979 Production of potable water and freshwater needs for human, animal and plants from hot and humid air
06/05/2003DE20301736U1 Well cover, comprises insulated glass fibre reinforced plastic cover secured to flanged base frame via hinge
05/2003
05/28/2003EP1314827A1 Separating gully
05/21/2003CN2551684Y Device for filling water into underground
05/20/2003CA2251095C Portable/potable water recovery and dispensing apparatus
05/15/2003WO2003040479A1 Containment/exclusion barrier system with infuser adaptation to water intake system
05/15/2003WO2003040040A2 Device for recovering drinking water from condensate as well as a method and a deep-drawing die for production of said device
05/15/2003CA2466673A1 Device for recovering drinking water from condensate as well as a method and a deep-drawing die for production of said device
05/15/2003CA2464698A1 Containment/exclusion barrier system with infuser adaptation to water intake system
05/14/2003CN2550723Y Water temperature and level detector for water tank
05/08/2003WO2003038227A2 Filter train for underground collecting mains and method for introducing said filter train into predetermined layers of soil
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