Patents
Patents for E02B 11 - Drainage of soil, e.g. for agricultural purposes (2,085)
11/2011
11/09/2011CN202031071U Automatic control device for farmland drainage
11/09/2011CN202031070U Side slope shallow drainage system
11/02/2011EP2383392A1 Drain system
11/02/2011CN202023181U Drain pipe for agricultural irrigation
11/02/2011CN102227998A Concealed conduit system for both irrigation and drainage of farmland
10/2011
10/27/2011WO2011133970A1 Integrated bulk fluids management system
10/20/2011US20110255921 Water retention cell structures
10/18/2011US8039081 Fuzzy woven layers, geocomposite laminates incorporating them, and related methods
10/05/2011CN202000366U Reinforced capillary waterproof and drainage coiled material
10/05/2011CN202000322U Plastic drainage blind ditch material
10/05/2011CN202000321U Automatic control drainage device for paddy field
10/05/2011CN202000308U Compound ecological water-retention protective slope
09/2011
09/21/2011EP2366834A2 Drain tube
09/21/2011CN201981531U 收缩密接复合汇流管 Contraction adhesion complex manifold
09/21/2011CN201981521U 河堤防渗漏排水管 River levee seepage drains
09/21/2011CN201981520U 排水塑料盲沟管材 Plastic blind ditch drainage pipe
09/21/2011CN201976544U 农田自动灌排系统 Automatic farmland irrigation and drainage systems
09/14/2011CN102182241A Rain and sewage diversion system for phosphogypsum yard
09/14/2011CN102182200A Draining prevention coiled material with ribbing hair
09/14/2011CN102182169A Method for improving saline-alkali soil and soil ditch structure
09/14/2011CN101731120B Drainage method in planting technique
09/14/2011CN101260661B Automatic irrigation and drainage method and system for agricultural land
09/08/2011DE202004021837U1 Rigolenanordnung mit Rigole und Schacht Rigolenanordnung with French drain and manhole
09/07/2011CN201962656U 一种风能太阳能发电排灌装置 A wind energy solar power irrigation equipment
08/2011
08/31/2011CN201952789U 塑料盲沟管 Plastic blind ditch pipe
08/31/2011CN102165910A Self-service circulating drainage and irrigation system in irrigation and water conservancy
08/30/2011US8007201 Septic system
08/23/2011US8002497 Coupler for leaching chamber systems
08/23/2011US8002496 Irrigation pipe
08/18/2011WO2011100666A1 Method and materials for golf course sand bunker construction
08/18/2011US20110200401 Methods and Materials for Golf Course Sand Bunker Construction
08/18/2011US20110200391 Stormwater containment assembly and associated end section
08/18/2011US20110200390 Free Draining Seal Device and Installation Method for Mechanically Stabilized Earth Wall Structures
08/17/2011CN201933474U Farmland trapezoidal-section irrigation ditch ditcher
08/17/2011CN102155008A Concealed pipe controlled drainage device
08/17/2011CN102154997A Ecotypic bank revetment structure
08/17/2011CN101692760B Method for improving thick-clay sand-layered soil in salinate fields
08/10/2011EP2354329A1 Device for installing irrigation pipes
08/10/2011CN201924326U 涵管 Culvert
08/10/2011CN201924325U 注塑排储板 Injection row Reserve Board
08/10/2011CN102145957A Method for constructing agricultural drainage and ecological purification system
08/10/2011CN102144524A Automatic irrigation-drainage system for farmland
08/09/2011US7993076 Bluff penetrating outfall drainage system
08/04/2011US20110188933 Water-storage and water-purification system
08/03/2011CN201915373U 盲沟管材 Blind ditch pipe
08/03/2011CN201915372U 盲沟材 Blind ditch timber
08/03/2011CN201915371U 塑料盲沟材 Plastic blind ditch timber
08/03/2011CN102140788A Tailing dam construction method and special water baffle device
08/02/2011US7988851 Stormwater control system and related method
07/2011
07/28/2011US20110182666 Drainage Device
07/28/2011DE102010005215A1 Method and device, useful for preventing contaminated groundwater inflows into running water and other areas, comprise arranging drainage system to collect contaminated groundwater and piping system for discharging contaminated groundwater
07/27/2011CN201908286U Plastic blind ditch pipe for drainage
07/27/2011CN201908285U Plastic blind ditch for drainage
07/27/2011CN201908284U 盲沟 Blind ditch
07/27/2011CN102134845A Drain belt and apparatus for channeling ground water using the same
07/21/2011US20110174706 Systems and methods for water harvesting and recycling
07/20/2011EP2345763A1 Prefabricated drainage structure and method for realising a subterrenean draining wall
07/06/2011CN201891143U Buried storm water collection and storage facility in flat areas
06/2011
06/29/2011CN201883418U Water drainage layer structure for red-mud piling field
06/29/2011CN201883417U Integral underground water pipeline infiltration and alkali-removal device
06/29/2011CN101176400B New process for recultivating glebe in mine subsidence area
06/23/2011WO2011075690A1 Pop-up irrigation device for use with low-pressure irrigation systems
06/23/2011US20110150574 Environmental culvert system
06/22/2011CN201874000U Structure for preventing side slope from collapsing and landsliding by removing moisture in soil body
06/15/2011CN102094408A Ditching machine for farmland irrigating ditch with trapezoid cross section
06/15/2011CN102094407A Farmland runoff pollution ecological intercepting ditch
06/09/2011WO2011068294A1 Open channel having a draining space for ultra-soft ground
06/09/2011US20110135391 Synthetic materials for water drainage systems
06/08/2011CN102084770A Agricultural field system for reducing runoff pollution and construction method and application thereof
06/08/2011CN101372831B Method for constructing water injection well
06/01/2011CN201850540U Integrated type reversed filtering drainage body
05/2011
05/25/2011EP2325404A1 Device for storing liquids underground
05/25/2011CN201843124U Radial well
05/25/2011CN102071697A Hard reinforced concrete revetment slope biological repairing method
05/19/2011DE102009052724A1 Einbau für eine Vorrichtung zur Behandlung, Kühlung oder Speicherung eines Fluids, wie beispielsweise eines Gases oder einer Flüssigkeit Installation for an apparatus for treating, cooling, or storing a fluid such as a gas or a liquid
05/18/2011CN102057774A Draining and salt-removing method for newly-ploughed salinized farmland
05/17/2011US7942606 Groundwater control system with automatic water flow regulator
05/12/2011US20110110720 Water-permeable pipe assembly
05/11/2011CN201826288U Ecological water circulating system of lawn
05/11/2011CN102047833A Waterlogging simulation test system for rainfed cropland
05/11/2011CN101041953B Multilayer net for draining fluids, particularly for geotechnical use
05/10/2011US7938597 Subsurface drainage system and drain structure therefor
05/04/2011CN201817801U Underground drainage device used in farmland
04/2011
04/28/2011US20110097151 Flexible drainage cell
04/27/2011CN201809755U Groove type automatic device for farmland irrigation and drainage as well as flood control
04/27/2011CN201809754U Drain pipe
04/27/2011CN102031768A Novel farmland waterlogging prevention and treatment device and applied technology thereof
04/21/2011US20110091282 Drainage element and method and machine for making same
04/21/2011DE202007019228U1 Vorrichtung zum unterflurigen Verlegen von Membranschläuchen Apparatus for unterflurigen laying membrane hoses
04/20/2011CN201801852U Water drainage device unit for hydraulic fill and reclamation project
04/20/2011CN102026540A Flexible drainage cell
04/14/2011WO2011042415A1 Drainage body
04/14/2011CA2776567A1 Drainage body
04/13/2011CN102011380A Water level controller for farmland drainage tube
04/13/2011CN102011379A Pollution control method of farmland drainage in plain tidal river network area
04/07/2011DE102009044412A1 Rigolenkörper Trench body
04/06/2011CN101999264A Big cross slope and small downward slope type slope terraced field structure and construction method thereof
03/2011
03/31/2011WO2010120351A3 Method for injecting surface water into the ground
03/29/2011US7914230 Corrugated leaching chamber with hollow pillar supports
03/29/2011US7914229 Drain cover portion
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