| Patents for E03B 3 - Methods or installations for obtaining or collecting drinking water or tap water (5,213) |
|---|
| 03/01/2000 | CN1245861A Submersible mud rotary table |
| 02/29/2000 | US6029461 Water collection and dispensing machine |
| 02/16/2000 | EP0979902A1 Well water collection chamber and sedimentation tank therefor |
| 02/16/2000 | CN2364084Y Fastening type water filtering cap |
| 02/10/2000 | WO2000006486A2 Porous medium in an integrated hydrologic circuit |
| 01/20/2000 | DE19828917C1 Filter for drinking fountain |
| 12/23/1999 | WO1999066136A1 Method and apparatus for extracting water from atmospheric air |
| 12/23/1999 | WO1999065797A1 Water storage facility |
| 12/22/1999 | CN2355003Y Non-covery composite materials for well |
| 12/16/1999 | DE19826124A1 Buried cistern for rain water |
| 12/15/1999 | EP0963918A1 Water tank |
| 12/15/1999 | CN2353800Y Pressure-stabilized water-storage drinking-water-supply tank |
| 12/09/1999 | DE19822529A1 Rainwater collector for downpipe |
| 12/02/1999 | DE19923673A1 Rain water diverter for down pipe |
| 12/02/1999 | DE19830056A1 Storage tank for rainwater |
| 11/24/1999 | CN2350441Y Motor-pumped well water outlet pipe |
| 11/18/1999 | WO1999058222A1 Solids separator |
| 11/10/1999 | EP0954647A1 Rain water vessel |
| 11/09/1999 | US5980736 Apparatus and process for processing rain and/or surface water |
| 11/03/1999 | EP0953691A2 Infiltration pipe |
| 10/28/1999 | DE19818427A1 Rain water filter having a funnel-shaped frame and insert touching frame |
| 10/20/1999 | CN2344442Y Household water utilization device |
| 10/13/1999 | CN2343162Y Water quality purifier for pool |
| 10/13/1999 | CN1231365A Pump station |
| 10/06/1999 | EP0947470A1 Method and apparatus for recovering water from humid air by using hygroscopic material and solar energy |
| 09/30/1999 | DE19812003A1 Rainwater collection device for gutter down pipe unit |
| 09/16/1999 | DE19811275A1 Process and assembly to extract potable water from moist desert air |
| 09/15/1999 | CN2338382Y Deep well water filter |
| 09/15/1999 | CN1228495A Open caisson design method for stabilizing water quantity |
| 09/14/1999 | CA2171028C Well water recirculation valve |
| 09/02/1999 | WO1999043997A1 System for producing fresh water from atmospheric air |
| 09/02/1999 | WO1999043990A1 Water making apparatus |
| 09/02/1999 | DE19808621A1 Drinking water well regeneration method |
| 09/01/1999 | CN2336009Y Steel well pipe for motor-pumped well |
| 08/26/1999 | DE19807068A1 Rainwater down-pipe filter |
| 08/16/1999 | CA2229712A1 A liquid supply system and pump apparatus therefor |
| 08/10/1999 | US5934370 Well water flow diverter apparatus |
| 08/05/1999 | DE19856548A1 New process to remove liquid subsoil contaminants |
| 08/05/1999 | DE19823401C1 Method for cleaning chimney stack |
| 08/03/1999 | CA2069621C Cleaning halogenated contaminants from groundwater |
| 07/21/1999 | CN1223325A Method and device for collecting water from air by using solar energy |
| 07/15/1999 | DE19835426A1 Twin standpipe for attachment to downpipe |
| 07/15/1999 | DE19800997A1 Flexibly-sited rain water reservoir with minimal environmental impact |
| 07/14/1999 | EP0928861A1 Low profile storm water filter |
| 07/14/1999 | CN2328703Y Pressurised water supply tank |
| 07/08/1999 | DE19800030A1 Roof construction for production of dew for creation of user water |
| 07/07/1999 | CN2327726Y Automatic water supplier for household |
| 06/30/1999 | CN2326640Y Water-saving device |
| 06/24/1999 | WO1999031328A1 System to collect pluvial waters |
| 06/23/1999 | CN2325425Y Arc like seam bridge shape well filter |
| 06/16/1999 | CN2324469Y Air water intaking device |
| 06/16/1999 | CN2324186Y Multi-purpose water-saving device |
| 06/02/1999 | CN2321822Y Counter-flushing type permeable energy-saving composite water-obtaining device |
| 06/02/1999 | CN2321821Y Circulation water device for kitchen range |
| 05/27/1999 | WO1999026030A1 Water collection and dispensing machine |
| 05/27/1999 | DE19751369A1 Storage tank with filter chamber for roof rainwater |
| 05/25/1999 | US5906241 Method for bubbling extraction of groundwater |
| 05/12/1999 | DE19806923C1 Sealing water well |
| 05/12/1999 | CN1043309C 过滤器 Filter |
| 05/06/1999 | EP0913664A2 Device for mounting a detonating cord in a horizontal filter well |
| 04/14/1999 | CN2314223Y Special water purifying cylinder with inner container |
| 04/14/1999 | CN2313966Y Anti-stealing safety manhole cover |
| 03/25/1999 | DE19741898A1 Integral filter unit for rain water tank suitable for household use |
| 03/24/1999 | EP0903170A1 Separation device |
| 03/24/1999 | CN1211501A Laminated structure article |
| 03/23/1999 | CA2175277C Enhanced separator tank |
| 03/17/1999 | EP0901806A1 Apparatus and method for filtering water |
| 03/11/1999 | WO1999011927A1 Electric current production and recuperation of water in the atmosphere using solar and wind energy |
| 03/11/1999 | DE19735805A1 Supplying deep sea-water for use as a cooling and-or heating medium |
| 03/10/1999 | CN2310097Y Clean-keeping water storage tank |
| 03/09/1999 | US5878907 Container |
| 03/04/1999 | DE19734887A1 Vorrichtung zur Gewinnung von Wasser aus der Luft Apparatus for extracting water from the air |
| 02/25/1999 | WO1999009297A1 Process for constructing intake pipe |
| 02/25/1999 | WO1999009263A1 Apparatus for the treatment of rain water |
| 02/25/1999 | DE19737451A1 Wooden barrel or container |
| 02/23/1999 | US5873383 General service water storing equipment |
| 02/19/1999 | CA2211935A1 Apparatus for the treatment of potable water |
| 02/18/1999 | WO1999007951A1 Device for obtaining water from air |
| 02/17/1999 | CN2307827Y 井管 Well pipe |
| 02/11/1999 | DE19733776A1 Flat roof rain water collection |
| 02/10/1999 | CN2307036Y 小型自动给水设备 Small automatic water supply equipment |
| 02/03/1999 | CN2306263Y Water storing vessel for pure water machine |
| 02/03/1999 | CN2306262Y Automatic controller for storing water in water tank |
| 02/03/1999 | CN2306261Y Multifunctional water supplying controller |
| 01/27/1999 | EP0819207A4 Method for improved water well production |
| 01/26/1999 | US5863151 Rainwater saver system |
| 01/26/1999 | US5862633 Auxiliary roof |
| 01/21/1999 | DE19730620A1 Water filter flushing into ground |
| 01/20/1999 | CN2304696Y Cage-shape sandproof screening pipe for water well |
| 01/19/1999 | CA2134021C Rain barrel |
| 01/13/1999 | EP0839234A4 Water conservation method and apparatus therefor |
| 12/24/1998 | DE19748955C1 Implement for installing spray line in drinking water filter pipes |
| 12/23/1998 | EP0885171A1 A device for creation of an oxidation and precipitation zone or a reduction zone in an aquifer |
| 12/09/1998 | CN2299897Y Pneumatic water supply installation arranged in well |
| 12/08/1998 | US5846296 Method and device for recovering water from a humid atmosphere |
| 12/08/1998 | US5845504 Portable/potable water recovery and dispensing apparatus |
| 12/01/1998 | US5842813 Method of cold technology based irrigation of areas affected by aridity |
| 11/25/1998 | EP0879922A2 Stacked structure |
| 11/25/1998 | CN1199803A City sanitary water scheme |
| 11/17/1998 | US5836116 Tank system |