| Patents for E02B 11 - Drainage of soil, e.g. for agricultural purposes (2,085) |
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| 05/14/2014 | CN203594009U 一种新型农田排水沟 A new farmland drains |
| 05/14/2014 | CN203594008U 一种水田浮漂式排水装置 One kind of float-type drain paddy |
| 05/14/2014 | CN103319005B 一种可移动组装式农田排水沟水质净化器 Removable, assembled farmland drains Water Purifier |
| 05/08/2014 | US20140126960 Soil densification system and method |
| 05/08/2014 | DE102013112148A1 Drainage pipe for collection and discharge of liquids e.g. water, has fastening bars that are provided in outer side of drainage pipe in sections at which impermeable barrier layer for water is connected to drainage pipe |
| 04/30/2014 | CN203569549U Inspection well flow limiting device for buried pipe drainage |
| 04/30/2014 | CN203569548U Water outlet flow automatic control device for buried pipe drainage |
| 04/30/2014 | CN203569547U Seepage-drainage pipe |
| 04/30/2014 | CN103112954B Method for prevention and control of non-point source pollution and cyclic utilization of resources of tea garden and system thereof |
| 04/17/2014 | US20140105684 Modular Stormwater Storage System |
| 04/17/2014 | DE102011008527B4 Verfahren zum Entlasten eines Bauwerkes von eindringendem Wasser A method of unloading a structure of water intrusion |
| 04/15/2014 | US8696241 Flexible drainage cell |
| 04/09/2014 | CN103711108A Full-automatic intelligent water supplementation device |
| 04/09/2014 | CN103711107A New method for effectively utilizing recycled farmland drainage water by vegetation in arid desert region |
| 04/09/2014 | CN103704096A Water-permeable water storage pipe capable of being recycled |
| 04/09/2014 | CN102383408B Greening method for high water level impermeable saline and alkaline lands and greening system |
| 04/07/2014 | DE202014002003U1 Regenwasser-Behandlungsrigole zur Behandlung, Speicherung, Versickerung oder Rückhaltung von Oberflächenwasser Rainwater Behandlungsrigole for the treatment, storage, infiltration and retention of surface water |
| 04/03/2014 | WO2014050037A1 Catchment structure |
| 04/03/2014 | US20140093316 Method For Injecting Surface Water Into The Ground |
| 04/02/2014 | CN203514278U Device for farmland drainage |
| 03/26/2014 | CN203498814U Plug valve for blow-off pipe of diversion canal or dam pond |
| 03/26/2014 | CN203492492U Block-shaped water storage and drainage board |
| 03/26/2014 | CN103669304A Novel canal and ditch system for tea garden |
| 03/19/2014 | EP2708656A1 Reel with wound drain band. |
| 03/19/2014 | CN203487517U Drainage ditch formwork movement vehicle system |
| 03/19/2014 | CN103643689A Pipe type underground water drainage blind ditch and construction technology and application thereof |
| 03/18/2014 | US8672584 Drainage beads |
| 03/18/2014 | US8672583 Corrugated stormwater chamber having sub-corrugations |
| 03/12/2014 | CN103628449A Biochar grassed slope structure for coastal reclamation district channel |
| 03/06/2014 | US20140064851 Drainage and Material-Settling Device for Conveyance Channels |
| 03/05/2014 | CN103620120A Prefabricated drain structure |
| 03/05/2014 | CN103615027A Paddy field ditcher |
| 03/05/2014 | CN102459774B Method for injecting surface water into ground |
| 02/27/2014 | WO2014029874A1 Point drain |
| 02/27/2014 | WO2014029873A1 Drainage structure |
| 02/27/2014 | US20140056644 System for controlling rainwater run-off |
| 02/26/2014 | CN103603328A Hidden layer permanent drainage ditch for farm flourishing |
| 02/19/2014 | CN203440801U Curtain grouting drainage gallery for underground powerhouse |
| 02/19/2014 | CN203440800U Plant ecological ditch system |
| 02/19/2014 | CN203440799U Draining device for mill tailings filling die bag dam |
| 02/12/2014 | CN203424090U Soil moisture adjustment pipeline |
| 02/12/2014 | CN203424080U Self-service irrigation and drainage system for farmland water conservancy |
| 02/12/2014 | CN102919102B Irrigation and drainage integrated device suitable for underground high water level |
| 02/11/2014 | US8649910 Automatically adjusting irrigation controller |
| 02/06/2014 | US20140037380 System and method for treating golf sand bunkers |
| 02/06/2014 | US20140037379 All-weather landfill soil cover system for preventing water infiltration and landfill gas emission |
| 02/06/2014 | US20140037378 Apparatus, an assembly, a vehicle and a method for forming a drainage assembly within and along an elongate trench |
| 02/05/2014 | CN103556612A Water seepage and drainage pipe and construction method thereof |
| 02/05/2014 | CN102493412B Hollow drainage ridge for flat dam strip-field |
| 01/30/2014 | US20140030021 Wick assembly and method for installing an underdrain |
| 01/30/2014 | US20140030020 System, method, connector and geocomposite for fluid recovery |
| 01/29/2014 | CN103541336A Insertion pipe drain valve |
| 01/28/2014 | US8636444 Fluid distribution system |
| 01/23/2014 | WO2014013577A1 Sheet for sheet pipe and forming device therefor |
| 01/23/2014 | WO2014013493A1 Irrigation system especially suited for impermeable soils |
| 01/23/2014 | WO2013172677A3 Drain pipe for farmland and method for constructing agricultural waterway using same |
| 01/22/2014 | EP2686487A1 A gully for a drainage system with a restricted outlet |
| 01/21/2014 | US8632273 Water draining pipe and draining method thereof |
| 01/08/2014 | CN203383197U Latent-layer water drainage and water plugging elevation type gate |
| 01/01/2014 | EP2678479A1 An apparatus, an assembly, a vehicle and a method for forming a drainage assembly within and along an elongate trench |
| 01/01/2014 | CN203373713U Drainage system for reconstructed and expanded expressway soil slope shallow layer |
| 01/01/2014 | CN103477952A Agriculture water and soil improvement irrigation and drainage system |
| 12/25/2013 | CN103466901A Ecological retention ditch system applicable to mixed rain and sewage treatment system in rural area |
| 12/18/2013 | EP2673421A1 System, method, connector and geocomposite for fluid recovery |
| 12/18/2013 | CN103452075A Rice field and wetland water circulation system |
| 12/12/2013 | WO2013181685A1 Surface drainage system |
| 12/05/2013 | DE102013005953A1 Wartungsfreundliche leicht handhabbare Versickerungsanordnung mit vorschaltbarer Filtereinrichtung und Verwendung derselben Maintenance-friendly easy to handle seepage arrangement with vorschaltbarer filter device and using the same |
| 12/03/2013 | US8596908 Apparatus and method of use of a drainage member |
| 11/27/2013 | CN102812843B Comprehensive matching technology for constructing road shelter forests in heavy saline-alkali soil sections of coastal areas |
| 11/27/2013 | CN102392433B Drainage channel overflow weir for reducing agricultural non-point source pollution |
| 11/23/2013 | CA2778099A1 Well site drainage system |
| 11/20/2013 | CN102972197B Vegetation recovery method for nonferrous metal mining wasteland |
| 11/20/2013 | CN102418331B Control system for soil drainage of test pit with bottom |
| 11/14/2013 | US20130302092 Flood Barrier |
| 11/13/2013 | CN203284769U Farmland high yield perpetual drainage ditch |
| 11/13/2013 | CN102493411B 排灌管 Irrigation canal |
| 11/06/2013 | CN203270762U Novel water discharging blind drain |
| 10/30/2013 | CN203256709U Efficient ecological intercepting ditch suitable for dry land farmland |
| 10/30/2013 | CN203256697U Filtering type ecological concrete drainage channel |
| 10/30/2013 | CN101818499B Revegetation system on steep rocky slopes and implementing method thereof |
| 10/24/2013 | US20130280445 Synthetic turf recycling and reclamation system and method |
| 10/23/2013 | CN203247641U Water collecting system for recycling irrigation water |
| 10/23/2013 | CN102418327B Agricultural drain denitrifying phosphorus uptake simulation device |
| 10/22/2013 | US8562250 Method for injecting surface water into the ground |
| 10/16/2013 | CN203238605U Geotechnical cloth synthesis soil structure drainage ditch |
| 10/16/2013 | CN203238604U Water conveying channel for hydraulic engineering |
| 10/15/2013 | US8555586 Structural modules with absorbent elements for drainage and irrigation |
| 10/10/2013 | WO2013149488A1 Plate insertion working apparatus for plate inserting machine |
| 10/09/2013 | CN203229934U Revetment sidewall structure for drainage channel |
| 10/02/2013 | CN203222787U Waterfront greenbelt drainage system |
| 10/02/2013 | CN203222786U Watercourse bank slope drain outlet |
| 10/01/2013 | CA2743193C Storm water chamber with floor liner |
| 09/25/2013 | CN203213086U Concrete structured water channel with light steel formworks |
| 09/25/2013 | CN203213085U Saline and alkaline land greening salt elimination and soil moisture conservation waterscape constructing system |
| 09/25/2013 | CN103321195A Farmland ecologic interception ditch adopting slope protection technology and construction method of ditch |
| 09/25/2013 | CN103321194A Dry land ecological interception channel adopting slope protection technology and construction method thereof |
| 09/25/2013 | CN103319005A Moveable assembled water quality purifier for field drainage ditch |
| 09/25/2013 | CN102312420B Siphon water level controller |
| 09/19/2013 | US20130244522 Geogrid, non-woven or woven fabric and strapping band |
| 09/10/2013 | US8529159 Methods and materials for golf course sand bunker construction |