| Patents for E03F 1 - Methods, systems, or installations for draining-off sewage or storm water (3,565) |
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| 08/30/2006 | CN1824897A Holding control device for rain-water drainage |
| 08/29/2006 | CA2361723C Method and apparatus for treating leach fields |
| 08/24/2006 | DE102005006202A1 Versickerungsvorrichtung Seepage device |
| 08/22/2006 | US7094338 Method of making and using a filter in the form of a block of agglomerated copolymer fragments |
| 08/16/2006 | EP1690989A2 Infiltration device |
| 08/16/2006 | EP1690789A2 Aircraft with system for using the grey water |
| 08/16/2006 | CN2806594Y Boosting forced drainage device |
| 08/10/2006 | WO2006084100A2 Drain system |
| 08/10/2006 | WO2006083187A1 Sewage treatment plant, in particular for domestic purposes |
| 08/10/2006 | DE102005003384A1 Drainage gutter for two stage installation in road has lower trough and upper support for grid connected by pin |
| 08/09/2006 | CN1814927A Apparatus for preventing enterprise along the river occuring suddenly pollution accident |
| 08/03/2006 | WO2006079688A1 Vacuum sewer system |
| 08/03/2006 | DE20221567U1 Drainage trench unit, for underground water drainage systems, is a hollow body with an inspection channel through it, parallel to and at a gap from the base of the body |
| 08/01/2006 | US7083721 Stormdrain curb-inlet multi-stage filtration-unit |
| 07/26/2006 | EP1682728A2 Leaching chamber with inward flaring sidewall perforations |
| 07/25/2006 | US7080480 Integrated tree root and storm water system |
| 07/20/2006 | WO2006074529A1 Water treatment |
| 07/20/2006 | US20060159519 Stormwater detention system and method |
| 07/19/2006 | EP1680556A2 Corrugated leaching chamber |
| 07/11/2006 | US7074326 Curb-and-grate inlet filter |
| 07/11/2006 | CA2389210C Apparatus for stormwater retention and release, and method of use thereof |
| 07/11/2006 | CA2269615C Gross pollution filter |
| 07/05/2006 | CN2793178Y Self-adjustable and explosive-proof drainer |
| 07/04/2006 | US7070691 Protector for sewer system inlet |
| 06/29/2006 | US20060140723 Fixed shape retainer for absorbent material for storm drains |
| 06/22/2006 | DE202005002169U1 Percolating device for an underground trench system comprises a hollow fluid-permeable structural body through which rainwater passes for intermediate storage and percolation and a settling device for settling suspended matter |
| 06/21/2006 | CN1790199A Rain drainage supporting system and supporting method, rain drainage control system and control method |
| 06/14/2006 | EP1252393B1 Drainage system |
| 06/08/2006 | US20060120804 Subsurface drainage system and drain structure therefor |
| 06/08/2006 | US20060120803 Subsurface drainage system and drain structure therefor |
| 06/07/2006 | EP1666668A2 Leaching unit |
| 06/07/2006 | CN1782244A Automatic water draining culvert unit |
| 06/06/2006 | US7056058 Transport corridor drainage systems |
| 06/01/2006 | DE202006003385U1 Drainage channel for e.g. terrace canopy, has draining area draining rain water and integral retaining section as retaining area for illuminant, where section is designed with channel and separated from draining area in fluid-sealed manner |
| 06/01/2006 | DE202006003162U1 Connecting system for gutter lower parts in building site, has toggle connected with gutter walls by locking units, where one locking unit is connected with one gutter lower part and other unit is connected with other gutter lower part |
| 06/01/2006 | DE10346586B4 Befestigungsvorrichtung Fastening device |
| 05/30/2006 | US7052209 Corrugated stormwater chamber |
| 05/26/2006 | WO2006055407A2 Sewage effluent distribution means |
| 05/25/2006 | US20060110261 Pump system with vacuum source |
| 05/17/2006 | CN2780866Y 控制装置 Control device |
| 05/16/2006 | CA2401377C An improved underdrain system |
| 05/09/2006 | US7041213 Stormwater pretreatment and disposal system |
| 05/09/2006 | US7040840 Sewage effluent distribution means |
| 05/09/2006 | US7040838 High capacity catch basin filtration system with adjustable deflector ring |
| 05/03/2006 | EP1653012A2 Installation for infiltration |
| 05/02/2006 | US7037423 Method for removal and detoxication of dissolved metals in a rainwater discharge |
| 04/26/2006 | CN1253635C Discharge valve for a vacuum toilet |
| 04/25/2006 | CA2327768C Method and apparatus for handling water at low and high feed rates |
| 04/20/2006 | WO2006040138A1 Vacuum toilet for vehicles |
| 04/20/2006 | WO2005069895A3 Integrated tree root and storm water system |
| 04/20/2006 | DE202005019188U1 Soil drainage channel, has floating bodies mechanically connected with erectable protection barrier, rising upwards with increase in water level in channel and erecting protection barrier at maximum angle of specific value |
| 04/13/2006 | WO2006038602A1 Member for rainwater containing structure and rainwater containing structure body using the same |
| 04/13/2006 | US20060076714 Molding a leaching chamber sidewall |
| 04/11/2006 | CA2239108C Method of influencing a flow of waste water |
| 04/05/2006 | EP1643042A1 Device and method for estimating occurrence and distribution of unascertained water, and recording medium |
| 04/04/2006 | US7021671 Septic tank drain field pipe manifold system and method of use |
| 04/04/2006 | CA2368533C Catch basin trap with filter |
| 03/30/2006 | DE202006000556U1 Rainwater drain for road with unconsolidated verges has angled water guides to drain pipe |
| 03/23/2006 | US20060060240 System and method for distrubuting liquid flow into predetermined proportions |
| 03/21/2006 | US7014755 Filtration and plug drain device for containing oil and chemical spills |
| 03/21/2006 | US7013909 Vacuum valve controller |
| 03/15/2006 | CN2764822Y Double-supply double-drain system for municipal water |
| 03/14/2006 | US7011505 Pump system with vacuum source |
| 03/08/2006 | EP1632614A1 Underground pipe system |
| 03/08/2006 | EP1436470A4 Dual-action decontamination system |
| 03/07/2006 | US7008144 Extruded polymeric netting with filter cloth, rolled up to form hollow sediment collection chamber; construction sites |
| 03/07/2006 | US7008138 Faceted end cap for leaching chamber |
| 03/02/2006 | DE202005019964U1 Ablaufsystem Drainage system |
| 03/02/2006 | DE102005034170A1 Floor drain tub cover, has alternate short and long transverse bars arranged at both sides of central longitudinal bar, where transverse bars are arranged right angle to longitudinal bar and arranged with recesses of same width |
| 02/28/2006 | US7005060 Upflow surface water runoff filtration system |
| 02/22/2006 | CN1243165C Toilet system |
| 02/21/2006 | US7001507 Retention and removal of debris and pollutants from surface water runoff |
| 02/16/2006 | US20060034662 Methods and module for an underground assembly for storm water retention or detention |
| 02/16/2006 | DE102004034655A1 Drainage gutter for construction in ground has gutter body and frame which has upper edge for insertion of cover and gasket groove, in front face area, which can be filled by sealing substance whereby frame is made up of sheet metal |
| 02/14/2006 | US6998039 Catch basin filter |
| 02/14/2006 | US6997203 System and method for distributing liquid flow into predetermined proportions |
| 02/14/2006 | US6997201 Wastewater source control system |
| 02/09/2006 | DE102004034254A1 Surface drain for flammable environment has each section fitted with an earthing strip with separate earth connection |
| 02/08/2006 | CN1730850A Method for collecting, storing, and delivering rainwater and pipeline system employing the same |
| 02/07/2006 | US6994490 Stormwater receiving device and assembly |
| 02/01/2006 | EP1309483B1 Vacuum galley waste disposal system |
| 01/31/2006 | US6991734 Solids retention in stormwater system |
| 01/31/2006 | US6991402 Methods and modules for an underground assembly for storm water retention or detention |
| 01/31/2006 | US6990993 Vacuum drainage system |
| 01/31/2006 | US6990879 Drain line re-perforator device |
| 01/26/2006 | WO2005033426A3 Corrugated leaching chamber |
| 01/26/2006 | DE102004031460A1 Vakuumtoilette sowie Verfahren zum Betrieb einer Vakuumtoilette Vacuum toilet and method for operating a vacuum toilet |
| 01/24/2006 | US6988852 Drainage element for walls and septic tank systems |
| 01/24/2006 | US6988848 Drip berm having hydrophobic and hydrocarbon retentive properties |
| 01/19/2006 | DE202005016712U1 Transporteinheit mit Systemelementen für einen Sicker- und Drainagekörper Transport unit with system elements for water, drainage body |
| 01/19/2006 | DE102005028524A1 Entwässerungsgitteranordnung Drainage grid array |
| 01/18/2006 | EP0935699B1 Gross pollution filter |
| 01/18/2006 | CN1237239C System for city water saving and classified supply and draining, city fecal treatment and organic fertilizer reutilization |
| 01/17/2006 | US6986621 Trench drain filtration system |
| 01/12/2006 | WO2006002857A1 Vacuum-operated toilet and associated operating method |
| 01/12/2006 | DE10200106B4 Anordnung und Verlegung von Rohrleitungen für einen Erdkollektor in Kombination mit einem Versickerungssystem Assembly and installation of pipes for a ground collector in combination with a drainage system |
| 01/10/2006 | US6984090 Root nutrient delivery system |
| 01/04/2006 | EP1336011B1 Modular vacuum toilet |
| 01/03/2006 | CA2142177C Drainage wick inserting device |
| 12/29/2005 | WO2005124040A1 Infiltration block |