| Patents for E03F 1 - Methods, systems, or installations for draining-off sewage or storm water (3,565) |
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| 05/06/2009 | CN201232147Y Rainwater application system for urban main road |
| 05/06/2009 | CN100485142C Underground water storage tank |
| 04/16/2009 | DE102007049517A1 Particulate substances and sludge portions retaining device for protection of e.g. septic tank, has measuring device e.g. float gauge, detecting over-accumulation of filter or backing-up of water in waste water treatment system |
| 04/14/2009 | US7519473 Device and method for estimating occurrence distribution of unascertained water and recording medium |
| 04/14/2009 | US7516747 Assembly and system for isolation of waste water in outdoor, open-air wash station |
| 04/09/2009 | DE202009000040U1 Rigolenelement Rigolenelement |
| 04/09/2009 | DE10328612B4 Oberflächenentwässerungseinrichtung Surface drainage device |
| 04/09/2009 | DE102007047064A1 Drain element e.g. drain gutter, has cover provided with perforations for flow of water and/or solids, and guiding surfaces bent relative to plane of cover and arranged below part of perforations |
| 04/09/2009 | DE102007038968B3 Entwässerungsrinne Drainage channel |
| 04/01/2009 | EP1073610B1 Curb-inlet storm drain systems for filtering trash and hydrocarbons |
| 03/26/2009 | US20090078285 Method and Device for Cleaning Pipe Runs |
| 03/26/2009 | DE202009000604U1 Abdeckung hoher Tragfähigkeit Cover high load capacity |
| 03/25/2009 | CN101392551A Building water drain and pollution discharge treating device |
| 03/18/2009 | EP2035631A1 Sanitary installation unit |
| 03/18/2009 | CN101387128A Rainwater drain support system and method |
| 03/18/2009 | CN101387127A Rainwater drain control system and method |
| 03/17/2009 | CA2457135C A structural module |
| 03/12/2009 | WO2009030896A1 Structural modules with absorbent elements for drainage and irrigation |
| 03/12/2009 | WO2009013003A3 Wastewater control module and vacuum wastewater disposal system comprising said wastewater control module |
| 03/12/2009 | US20090067929 Leaching chamber with continuous curve arch and closely spaced corrugations |
| 03/12/2009 | US20090065072 Rainwater Irrigation Apparatus |
| 03/12/2009 | DE102007040931A1 Connecting unit for drain gutter arrangement, has two holders engaging drain gutters in gutters, respectively, and oblong and laminar shaped cover provided for covering drain gutters |
| 03/12/2009 | CA2698932A1 Structural modules with absorbent elements for drainage and irrigation |
| 03/11/2009 | CN100467727C Gas and liquid collecting and drainage device for landfill garbage, and its construction process |
| 03/05/2009 | WO2009029562A1 Subsurface storage system |
| 03/05/2009 | WO2009027716A1 Sanitary system with collection plant |
| 03/05/2009 | WO2009026646A1 Irrigation methods and systems |
| 03/04/2009 | CN100465393C An automatic drainage device of underground proton device machine rooms |
| 03/03/2009 | US7497946 Subsurface drip disposal system |
| 02/24/2009 | US7494585 Large area catch basin filter |
| 02/18/2009 | CN100462509C Method for collecting, storing, and delivering rainwater and pipeline system employing the same |
| 02/17/2009 | US7491338 Apparatus and method for blocking and controlling the release of solid materials into or through a fluid-flow channel |
| 02/17/2009 | US7491015 Outwardly dished end plate for stormwater chamber |
| 02/12/2009 | DE202008015022U1 Schlitzrinne mit Höhenverstellung Slot channel with height adjustment |
| 02/11/2009 | CN100460612C Reticular blind drainage method for groundwater of sanitary landfill for disposing house refuse |
| 01/29/2009 | WO2009013003A2 Wastewater control module and vacuum wastewater disposal system comprising said wastewater control module |
| 01/29/2009 | DE102007034499A1 Abwasser-Kontrollmodul mit einem Zwischenspeicher Sewage control module with a buffer memory |
| 01/27/2009 | CA2535015C Faceted end cap for leaching chamber |
| 01/27/2009 | CA2498974C Buoyancy flushing apparatus and method of flushing |
| 01/22/2009 | DE102007033824A1 Road and bridge drainage system i.e. gutter, for integration in asphalt pavement, has sliding type fitting arranged between portions of system, and discharge nozzle leading perpendicularly into lower form |
| 01/21/2009 | CN201183990Y Rubbish dewatering leachate system of rubbish burning power plant |
| 01/21/2009 | CN201183989Y System for collecting and lifting rubbish leachate of rubbish burning power plant |
| 01/21/2009 | CN201183988Y Waste water collection apparatus with stirring mechanism |
| 01/21/2009 | CN101349073A Vacuum collecting and discharging system |
| 01/21/2009 | CN101349072A Vacuum system |
| 01/15/2009 | WO2009007319A1 Flushing apparatus for a vacuum toilet having a nozzle arrangement |
| 01/15/2009 | US20090014372 Stormwater bioretention filtration system with overflow/bypass capability |
| 01/15/2009 | US20090014371 Storm drain filter for erosion control |
| 01/08/2009 | DE102005013319B4 Anlage zum Regulieren von Hochwasser in Bergregionen System for regulating flood in mountain regions |
| 01/07/2009 | CN100449066C Shunting drainage method used in treatment leachate of garbage sanitary landfill and rainwater in storeroom |
| 01/06/2009 | CA2303658C Storm or waste water chamber featuring strain relief notches for improved flexibility and contouring the chamber |
| 01/02/2009 | DE202008013441U1 Vorrichtung mit Fertigteilen für Kollektoren von Ingenieurnetzen Device with prefabricated parts for collectors of engineering networks |
| 12/31/2008 | EP2007949A1 Dewatering and/or drainage device |
| 12/31/2008 | CN201172813Y Dual chamber water drainage and sewage treating tube |
| 12/24/2008 | CN201169934Y Full bright open underground drainage pump room |
| 12/24/2008 | CN201169826Y Intellectualized sewage water recognition split stream apparatus |
| 12/17/2008 | CN101324084A Silo bottom rectifying energy dissipator |
| 12/17/2008 | CN100444063C Rain drainage supporting system and supporting method, rain drainage control system and control method |
| 12/16/2008 | US7465122 Leaching chamber having high leaching area to weight ratio |
| 12/11/2008 | DE102007024990A1 Rain water infiltration device for use in building, has spacer pipe and filter pipe realized in user defined or preset length, bore hole with annular space filled with soil, and filter pipe surrounded by filter gravels and adjoined to earth |
| 12/10/2008 | CN201162618Y Power generation apparatus by using rainwater |
| 12/10/2008 | CN201162271Y Flood-discharging and plugging apparatus of mine tailings warehouse |
| 12/04/2008 | WO2008144806A1 Portable grey water collection unit |
| 12/03/2008 | EP1997970A1 Water recovery system |
| 12/03/2008 | EP1940530A4 Water treatment |
| 11/27/2008 | WO2008142879A1 Pit for managing dust removal |
| 11/20/2008 | WO2008140310A1 Box-shaped device for holding water, such as a rainwater box, and method for using the same |
| 11/20/2008 | WO2008140298A1 Liquid receiving system, and element for such system |
| 11/20/2008 | WO2008140297A1 Liquid receiving perforated element and assembly thereof |
| 11/19/2008 | CN201151946Y Sewage water shunting conduit pipe |
| 11/18/2008 | US7452165 Containment systems, methods, and devices |
| 11/13/2008 | US20080279633 Retainer Assembly for Absorbent Materials |
| 11/13/2008 | DE20321648U1 Drainage-Tank mit Spülrohr Drainage tank flush pipe |
| 11/06/2008 | WO2008131480A1 Method of constructing building slabs and pavements and storing water |
| 10/30/2008 | US20080267711 Retainer Assembly for Absorbent Materials |
| 10/30/2008 | DE102007048635A1 Hollow profile, especially a pipe or slotted ring, made of reinforced concrete comprises a combined prestressed and non-prestressed reinforcement extending along the profile length |
| 10/29/2008 | CN100429360C Water flow separate discharge method for urban pipeline network with river, rain and sewage mixed flow |
| 10/23/2008 | WO2008128156A1 Lighweight aggregate unit and method of manufacture |
| 10/23/2008 | WO2008102084A3 Hydraulic station for collecting, managing and distributing rain water |
| 10/23/2008 | US20080256697 Vacuum Sewer System |
| 10/23/2008 | DE102004001919B4 Anordnung zum Versickern von Sickerwasser und Verfahren zum Verlegen einer Versickerungsmulde Arrangement for seepage of leachate and method of laying a depression in |
| 10/22/2008 | CN201137052Y Tailings reservoir double-protection flood-discharging device |
| 10/16/2008 | DE202007008019U1 Entwässerungssystem Drainage system |
| 10/14/2008 | US7437267 Sewage inflow amount predicting device and method, and server device |
| 10/14/2008 | CA2488070C Latch for leaching chamber |
| 10/07/2008 | US7431051 Sewage system for vehicles |
| 10/02/2008 | DE202008009083U1 Versickerungsschachteinsatz Seepage pit insert |
| 10/01/2008 | EP1975327A1 Vacuum fluid transfer system |
| 10/01/2008 | CN101275405A Vacuum drainage system |
| 10/01/2008 | CN100422442C Pervious concrete pavement system capable of collecting rainwater |
| 09/25/2008 | WO2008114072A1 Network of hydroelectric plants supplied with sea water by renewable energies for storing same |
| 09/25/2008 | DE10200616B4 Substrat zur Behandlung von Oberflächenwasser und dessen Verwendung Substrate for the treatment of surface water and its use |
| 09/11/2008 | DE102006052895B4 Verschlusseinrichtung eines Unterdruckabwassersystems und Unterdruckabwasseranlage Closure means of a vacuum sewer system and vacuum sewer system |
| 09/10/2008 | EP1866201B1 Aircraft sink with integrated waste disposal function |
| 09/10/2008 | CN101261654A Recursion optimization algorithm for drainpipe network |
| 09/10/2008 | CN101260678A Smooth interior water collection and storage assembly |
| 09/09/2008 | CA2492413C Septic tank drain field pipe manifold system and method of use |
| 09/04/2008 | DE19921197B4 Vorrichtung zur Entsorgung von Bordküchenabfällen Apparatus for disposal of galley waste |
| 09/03/2008 | CN101255706A Water-saving artful ground rainwater filling lake |
| 09/03/2008 | CN100415570C Vacuum toilet for vehicles |