| Patents for E03B 3 - Methods or installations for obtaining or collecting drinking water or tap water (5,213) |
|---|
| 11/11/1998 | EP0877126A2 Infiltration device |
| 11/10/1998 | US5833853 Radial-flow filter and method of manufacture |
| 10/20/1998 | US5823259 For allowing air to pass through an inlet to a well vent conduit |
| 10/14/1998 | EP0870877A1 Tank |
| 10/11/1998 | CA2234378A1 Container |
| 10/07/1998 | CN1195055A Auto-controlled delay aerator |
| 09/30/1998 | CN2292838Y Water suction valve for water well |
| 09/30/1998 | CN1040035C Permeation type underground water reservoir |
| 09/29/1998 | US5813798 Piecewise continuous control of groundwater remediation |
| 09/24/1998 | DE19711066A1 Central control and feed device for rain water utilisation plant |
| 09/23/1998 | EP0866193A1 Filter collector |
| 09/23/1998 | CN2292122Y Soil-shifting cleaner for pipe well |
| 09/01/1998 | US5800092 Method for delaying run-off of flash-storm water or ordinary rainwater from roofs and other surfaces with water-retention capability |
| 08/27/1998 | DE19706620A1 Separator for rain water passing down drain pipe |
| 08/26/1998 | CN2288998Y Reinforced concrete double-wire inlaid water filtering pipe |
| 08/25/1998 | US5797421 Dry hydrant siphon assembly |
| 08/04/1998 | US5787980 Well screen having a uniform outer diameter |
| 07/29/1998 | CN2286774Y Domestic multifunction water accumulating purifying tank |
| 07/22/1998 | EP0646213B1 Process and tool for laying underground collector mains for liquids and gases |
| 07/09/1998 | DE19737483A1 Electric current generation and atmospheric water recovery method |
| 06/30/1998 | US5771976 Enhanced production rate water well system |
| 06/30/1998 | CA2122106C Well screen having a slurry flow path |
| 06/25/1998 | DE19756811A1 Rainwater buffer storage tank buried in ground |
| 06/18/1998 | DE19617295A1 Rainwater collecting trap |
| 06/04/1998 | DE19649997A1 Supply of service water incorporated in pump intake line |
| 06/04/1998 | DE19647351A1 Regenwasserableitvorrichtung, verwendbar in einem Regenwassersammelsystem und Verfahren zum Ableiten von Regenwasser aus Fallrohren Regenwasserableitvorrichtung employable in a rainwater collection system and method for deriving rainwater from downspouts |
| 06/03/1998 | CN2283086Y Sump with multipipeline flush pipe |
| 06/02/1998 | US5758991 Underground dam |
| 05/28/1998 | WO1998022665A1 Rain water collection system and the use of a pertaining rain water diverting device |
| 05/13/1998 | CN1181797A Water conservation method and appts. therefor |
| 05/07/1998 | WO1998019019A1 Rain water vessel |
| 05/07/1998 | DE19701522C1 Water drainage system with filters which discharges to soil soak-away or cistern |
| 05/07/1998 | CA2270392A1 Rain water vessel |
| 05/06/1998 | EP0839234A2 Water conservation method and apparatus therefor |
| 04/30/1998 | WO1998017876A1 Building with swing-action roof |
| 04/30/1998 | DE19644299A1 Energiezentrum, auch autark, mit verschiedenen Energieerzeugungs-, -umwandlungs -sammel-, -träger- und -speicherarten in einer Baueinheit Energy center, also self-sufficient, with various power generation, -umwandlungs -sammel-, -träger- and -speicherarten in one unit |
| 04/23/1998 | DE19723300A1 Rain filtering unit, e.g. for installation in drainage pipes |
| 04/15/1998 | CN2278719Y Immerged automatic water supply equipment |
| 04/07/1998 | US5735304 Rainwater collection and distribution apparatus and method |
| 04/02/1998 | DE19638557A1 Tank connection kit for rainwater butt |
| 04/02/1998 | DE19638552A1 Filter unit for rainwater tank |
| 04/02/1998 | DE19638246A1 Device for storage and seepage of rainwater for irrigation |
| 03/24/1998 | US5730179 Rainwater collection and distribution apparatus |
| 03/24/1998 | US5729981 Method and apparatus for extracting water |
| 03/10/1998 | US5725760 Enhanced separator tank |
| 02/19/1998 | WO1998006931A1 A measuring system for measuring real time groundwater data |
| 02/12/1998 | DE19632272A1 Water acquisition device esp. for regions with relatively strong sunlight, e.g. for dry regions |
| 02/11/1998 | EP0601148B1 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 |
| 02/05/1998 | DE19725997A1 Rainwater-collecting equipment e.g. for sampling for scientific purposes |
| 01/27/1998 | US5711879 Radial-flow filter and method of manufacture |
| 01/22/1998 | DE19730937A1 Water treatment system for rain and surface water |
| 01/21/1998 | EP0819457A1 Process and apparatus for the filtration of sewage |
| 01/21/1998 | EP0819207A1 Method for improved water well production |
| 01/15/1998 | DE19622727C1 Appts. for purifying rainwater |
| 01/08/1998 | DE19626590A1 Water jet cleaning system for use in deep well bores |
| 01/02/1998 | DE19725996A1 Method for conveying water from vertical water borehole system |
| 01/02/1998 | DE19625336A1 Device for diverting roof rainwater into barrels |
| 12/30/1997 | US5701749 Water collection and dispensing machine |
| 12/17/1997 | CN2270753Y Anti-overflow automatic water breaker |
| 12/11/1997 | DE19622367A1 Rainwater collector, treatment and separator system |
| 12/09/1997 | US5695010 Method of drilling around an existing casing pipe to regenerate an old well |
| 11/27/1997 | DE19714739A1 Rainwater collection and storage unit |
| 11/26/1997 | CN2268727Y Water tank for household kitchen |
| 11/26/1997 | CN2268726Y Water drainage with automatically floating soil resistant, water absorbing and bottomless valve |
| 11/19/1997 | CN2268054Y Automatic water-catching cistern |
| 11/13/1997 | WO1997041937A1 Method and device for producing water by condensing atmospheric moisture |
| 11/06/1997 | WO1997041316A1 Enhanced separator tank |
| 11/06/1997 | DE19633987A1 Distributor for rain water |
| 10/29/1997 | EP0803476A1 Survival water supplier |
| 10/28/1997 | US5681455 Flowing-down rainwater flow-separating pipe |
| 10/23/1997 | WO1997039197A1 Method of extracting water from air and a device for carrying out said method |
| 10/23/1997 | DE19615582A1 Inlet baffle for tank of rain water usage installation |
| 10/16/1997 | WO1997038272A1 Portable/potable water recovery and dispensing apparatus |
| 10/16/1997 | DE19613523A1 Reinforced concrete support element e.g for support of garage above water tank |
| 10/15/1997 | CN2264762Y Automatic water supply device for obtaining water from underground |
| 10/01/1997 | CN2263666Y Sealed dustproof water tower flow auxiliary assembly |
| 09/23/1997 | US5669221 Portable, potable water recovery and dispensing apparatus |
| 09/18/1997 | DE19609063A1 Removal and use of rain-water |
| 09/12/1997 | WO1997032648A1 Radial-flow filter and method of manufacture |
| 09/11/1997 | DE19607496A1 Rainwater collector, e.g. for water garden or flushing toilet |
| 09/10/1997 | EP0793989A1 Radial-flow filter and method of manufacture |
| 09/10/1997 | EP0722354B1 Water extraction process and device |
| 09/03/1997 | CN1158650A A method and a device for recovering water from a humid atmosphere |
| 08/28/1997 | WO1997030942A1 A device for creation of an oxidation and precipitation zone or a reduction zone in an aquifer |
| 08/28/1997 | DE19611798C1 Unit fitting in downpipe collecting rainwater filtered consists of increasingly fine sieves |
| 08/27/1997 | CN2260821Y Domestic magnetizing automatic water-bearing device |
| 08/13/1997 | CN2259364Y Glass fibre reinforced plastic square combined water tank |
| 07/31/1997 | DE19602583A1 Ground cistern for collecting rainwater |
| 07/30/1997 | EP0786560A2 Device for collecting rain water |
| 07/23/1997 | EP0784724A1 A method and a device for recovering water from a humid atmosphere |
| 07/23/1997 | CN2258195Y Domestic tap water installation |
| 07/16/1997 | CN2257832Y Safety cover of motor-pumped well |
| 07/10/1997 | DE19600560A1 Method and device for storage of freshwater |
| 07/03/1997 | DE19547379A1 Storage tank for rain water |
| 06/18/1997 | CN2256439Y Combined water-well filter |
| 06/17/1997 | WO2009015440A1 Liquid diverter |
| 06/11/1997 | CN2256002Y Cement water filering pipe with filtering net |
| 05/28/1997 | DE19543766A1 Underground water storage cistern |
| 05/15/1997 | DE19630774A1 Water extraction shaft for fire fighting |
| 05/15/1997 | DE19610743A1 Prefabricated filter to purify rain water |