| Patents for E02B 11 - Drainage of soil, e.g. for agricultural purposes (2,085) |
|---|
| 01/16/2013 | EP2546423A2 Built-in unit |
| 01/16/2013 | CN202672120U Ventilation and drainage combined device |
| 01/16/2013 | CN202672119U Flexible drainage channel for coal gangue mountain |
| 01/03/2013 | WO2013002527A2 Prefabricated drain structure |
| 01/02/2013 | CN202644497U Paddy field tubular irrigation ditch |
| 01/02/2013 | CN202644482U Filtration type pervious concrete precast slab |
| 01/02/2013 | CN202644479U Portable emergency protection piping enclosed well and matched water collecting device |
| 01/02/2013 | CN102852123A Concealed conduit system capable of fast eliminating secondary salinization of equipment cultivation soil and application thereof |
| 01/01/2013 | US8342775 Groundwater control system with purity sensor and method |
| 12/26/2012 | CN202626960U Unit section of farmland drainage canal |
| 12/26/2012 | CN102839639A Rice field ecological irrigation and drainage community based on sustainable utilization |
| 12/25/2012 | US8337119 Leaching chamber having a dome shaped end portion for pivotably connecting with a second chamber end portion |
| 12/20/2012 | US20120321389 Surface and sub-serface drain system |
| 12/19/2012 | EP2534308A1 Method and materials for golf course sand bunker construction |
| 12/12/2012 | CN102817338A Drainage ditch compound section wrapping type grass mat slope protection method for coastal reclamation areas |
| 12/12/2012 | CN102817337A Ecologic drainage and floodwater drainage control device in paddy field |
| 12/12/2012 | CN102812843A Comprehensive matching technology for constructing road shelter forests in heavy saline-alkali soil sections of coastal areas |
| 12/06/2012 | WO2012162773A1 Rainwater diffuser structure |
| 12/04/2012 | US8322948 Leaching chamber having pillars |
| 11/28/2012 | CN102797245A Farmland water quality and water level controller |
| 11/28/2012 | CN102792846A Wheat-corn double cropping symbiotic cultivation method in moderate saline-alkali soil based on buried pipe drainage and salt elimination |
| 11/22/2012 | US20120294677 Pumped vertical drain |
| 11/21/2012 | CN102084770B Agricultural field system for reducing runoff pollution and construction method and application thereof |
| 11/15/2012 | US20120288331 Drainage Beads |
| 11/15/2012 | US20120288330 Drainage system |
| 11/14/2012 | CN202530435U Straw drainage body |
| 11/14/2012 | CN102144524B Automatic irrigation-drainage system for farmland |
| 11/13/2012 | CA2758806C Flow control system for a detention pond |
| 11/08/2012 | DE102011100848A1 Drainage device, has housing arranged such that outlet opening is located in upper surface in embankment, and central drainage pipe rotatable over main axis lying parallel to drainage channel |
| 11/07/2012 | CN202519642U Externally coated modified filtering medium structure for underground drain pipe |
| 11/07/2012 | CN102767167A Prefabricated drainage channel |
| 10/30/2012 | US8297880 Leaching chamber with continuous curve arch and closely spaced corrugations |
| 10/24/2012 | EP2514870A1 Site surfacing and the use thereof |
| 10/24/2012 | CN102747718A Open trench control drainage device |
| 10/18/2012 | US20120263535 Drainage element and apparatus and method for making same |
| 10/17/2012 | CN202492831U Water outlet pipes for landscaping |
| 10/10/2012 | CN102057767B Bionic anti-drag reamer for mouse-path plough |
| 10/03/2012 | CN202466544U Irrigation and drainage ditch in coastal reclamation area |
| 10/03/2012 | CN202466510U Liftable crawler-type mobile pump station |
| 10/03/2012 | CN202455774U Anti-soaking saline-alkali water drainage device for improved saline-alkali soil paddy field bed |
| 10/03/2012 | CN102704451A Double-wing wedge-shaped cover plate of novel chute flood drainage system |
| 09/26/2012 | CN202450501U Bricking drainage structure for stilling pool |
| 09/26/2012 | CN102182241B Rain and sewage diversion system for phosphogypsum yard |
| 09/25/2012 | US8272807 Surface drainage system |
| 09/20/2012 | WO2012122990A1 A gully for a drainage system with a restricted outlet |
| 09/20/2012 | US20120237299 Berm and method of construction thereof |
| 09/20/2012 | DE102011001356A1 Percolation arrangement has percolation element with receiving chamber for influent wastewater, where receiving chamber is defined by of side walls and base region |
| 09/19/2012 | CN202440785U Shaft well draining model |
| 09/19/2012 | CN202440784U Liftable crawler-type mobile pumping station for emergency rescue |
| 09/18/2012 | CA2665316C System for supplying tubular geotextile material for perforated drain pipes |
| 09/13/2012 | US20120230767 Passive capillary and gravity drainage system and method |
| 09/12/2012 | CN202430694U Hollow drainage ridge with ridge water gates |
| 09/12/2012 | CN202430693U Irrigation and drainage pipe |
| 09/12/2012 | CN202430692U Irrigation and drainage pipe |
| 09/12/2012 | CN202430691U Slope surface composite water drainage structure supported by soil nails |
| 09/05/2012 | CN202416276U Anti-deformation drainage ditch |
| 09/05/2012 | CN202416261U Connector of drainage trenches |
| 09/04/2012 | US8256990 Drainage unit with external covering and method for manufacture |
| 09/04/2012 | US8256989 Water-storage and water-purification system |
| 08/29/2012 | EP2492400A1 In-built unit |
| 08/28/2012 | US8251611 Drainage element and apparatus and method for making same |
| 08/22/2012 | CN102641622A External-packing filter materials of dewatering closed conduit, and preparing and using methods |
| 08/18/2012 | CA2768481A1 Passive capillary and gravity drainage system and method |
| 08/16/2012 | WO2012107703A1 System, method, connector and geocomposite for fluid recovery |
| 08/15/2012 | CN202380439U Liftable crawler type large flow movable pump station |
| 08/15/2012 | CN202380437U Lifting crawler-type high-flow emergency movable pump station |
| 08/14/2012 | US8240950 Underground water retention system and associated methods |
| 08/07/2012 | US8236392 Base for turf system |
| 08/02/2012 | DE202012005674U1 Wartungsfreundlicher Versickerungskasten zum einfachen Aufbau einer leicht handhabbaren Versickerungsanordnung in Fertigmodulbauweise mit vorschaltbarer Filtereinrichtung Easy to maintain infiltration box for easy configuration of a tractable seepage assembly into finished modular design with vorschaltbarer filter device |
| 08/01/2012 | CN102619237A Method for preventing nitrate from polluting underground water |
| 08/01/2012 | CN102619203A Straw drainage piece |
| 08/01/2012 | CA2765628A1 Low deflection drainage tile plow |
| 07/25/2012 | CN102598971A Regional drainage system distribution method for ginseng planting on non-forestry land |
| 07/25/2012 | CN101886424B Water retention system of infiltration well |
| 07/19/2012 | US20120183352 Drainage apparatus including a support device and a wedge |
| 07/19/2012 | DE102011008527A1 Drainage pipe for draining water in building e.g. dwelling, comprises transverse grooves which are extended over partial circumferential surface of main portion while smooth surface is formed in remaining circumferential surface |
| 07/18/2012 | CN102587338A Blockage dredging and draining enhancement process for drain holes of side slopes and device for blockage dredging and draining enhancement process |
| 07/18/2012 | CN102587337A Irrigation-drainage ditch slope revetment device for coastal reclamation areas |
| 07/11/2012 | CN202324061U 一种处理城市居民小区收集雨水的折流式持水花园系统 A process of urban residential area to collect rainwater Baffled holding water garden systems |
| 07/11/2012 | CN202323904U 一种农田排水装置 One kind of farmland drainage |
| 07/11/2012 | CN202323903U Device for draining and circularly utilizing waterlogging of hill ridge cold waterlogged paddy field |
| 07/11/2012 | CN202323902U 一种海堤后背土的排水结构 Drainage structures back a seawall soil |
| 07/11/2012 | CN202323901U 农田水稻丰产永久性排水沟 Rice yield farmland permanently drains |
| 07/11/2012 | CN202323623U 梯形水槽 Trapezoid sink |
| 07/11/2012 | CN102575445A Drainage body |
| 07/11/2012 | CN102561434A Hydraulic (electric) ditching machine |
| 07/11/2012 | CN102561281A Irrigation and drainage canal in coastal reclamation area |
| 07/11/2012 | CN102561280A Quick drainage system utilizing capillary water permeating and draining belts and drainage method thereof |
| 07/11/2012 | CN102561266A Portable piping rescue trunk and water collector used with same |
| 07/11/2012 | CN102550158A Mulching drainage method for orchard |
| 07/11/2012 | CN102550157A Drainage method for orchard by raising high ridges |
| 07/04/2012 | EP2470722A1 Drainage body |
| 07/04/2012 | CN202298580U 地下渗漏排水波纹管 Leaking underground drainage bellows |
| 07/04/2012 | CN102535412A Inter-greenhouse ditch |
| 07/04/2012 | CN102535382A Lifting crawler-type high-flow mobile pump station |
| 07/04/2012 | CN102524022A Wind and solar power generation irrigation and drainage device |
| 07/04/2012 | CN102524019A Full-automatic filtering and drainage system for big tree transplantation |
| 07/04/2012 | CN102155008B Concealed pipe controlled drainage device |
| 07/04/2012 | CN101999264B Big cross slope and small downward slope type slope terraced field structure and construction method thereof |
| 06/28/2012 | WO2012083375A1 An apparatus, an assembly, a vehicle and a method for forming a drainage assembly within and along an elongate trench |