| Patents for E02B 11 - Drainage of soil, e.g. for agricultural purposes (2,085) |
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| 06/27/2012 | CN102031768B Novel farmland waterlogging prevention and treatment device and applied technology thereof |
| 06/27/2012 | CN101654911B Suction and delivery water assembly |
| 06/20/2012 | CN102505673A Hollow drainage field ridge with field ridge sluice gate |
| 06/20/2012 | CN102505672A Design method for concealed conduit with externally coated filter material |
| 06/20/2012 | CN102498772A Method for in-situ improvement of dredger fill into soil for planting |
| 06/13/2012 | CN202273214U Temporary draining device of subgrade filling side slope |
| 06/13/2012 | CN102493412A Hollow drainage ridge for flat dam strip-field |
| 06/13/2012 | CN102493411A Drainage and irrigation pipe |
| 06/12/2012 | US8200368 Automatically adjusting irrigation controller with temperature and rainfall sensor |
| 06/06/2012 | DE102010053374A1 Formation method of trench for receiving, storing, passing and seepage of water in e.g. highway road, involves providing trench element by introducing drain filling structures into trench element |
| 06/06/2012 | CN202265811U 加强型地下埋设专用波纹排水管 Enhanced special corrugated drainage pipe buried underground |
| 06/06/2012 | CN202265810U 一种新型水利管道 A new water conservancy pipeline |
| 05/30/2012 | CN202248042U Device for collecting and treating initial-stage rainwater of villages in river network area |
| 05/30/2012 | CN202247822U Drain pipe for farmlands |
| 05/30/2012 | CN102482871A 液体泄流处理系统 Liquid discharge treatment system |
| 05/30/2012 | CN102140788B Tailing dam construction method and special water baffle device |
| 05/29/2012 | CA2573127C Drainage geocomposite and its method of manufacture |
| 05/23/2012 | EP2454420A1 Liquid run-off disposal system |
| 05/23/2012 | CN101660305B Field drainage control system |
| 05/23/2012 | CN101601340B Film covering method for preventing and controlling salt accumulation on salt water irrigated soil surface layer and rainfall salt damage |
| 05/22/2012 | US8182174 Drainage system for directing surface water to underground strata |
| 05/16/2012 | CN102459774A Method for injecting surface water into the ground |
| 05/09/2012 | CN202214731U Filtration composite geogrid |
| 05/09/2012 | CN102449239A Method for forming reclaimed land within seawall and construction equipment thereof |
| 05/03/2012 | US20120107048 Irrigation conduit and system |
| 04/26/2012 | WO2012051688A1 Process of drain construction and drain |
| 04/25/2012 | CN202202332U 一种新型排水结构 A new drainage structures |
| 04/25/2012 | CN202202311U 农田叠合式排降结构 Farmland laminated structure type exhaust drop |
| 04/24/2012 | US8162567 Water retention cell structures |
| 04/18/2012 | CN102418331A 用于有底测坑土壤排水的控制系统 Bottomed pit for measuring soil drainage control system |
| 04/18/2012 | CN102418327A Agricultural drain denitrifying phosphorus uptake simulation device |
| 04/11/2012 | CN202187329U 新型高密度聚乙烯排水保护板 New high-density polyethylene drainage protection board |
| 04/11/2012 | CN202187328U 水平地下水管道渗滤及排碱装置 The level of groundwater infiltration and discharge piping base unit |
| 04/11/2012 | CN202187327U 排水沟虹吸管道水位控制装置 Gutters siphon channel level control device |
| 04/11/2012 | CN102409718A 收集处理河网区村落初期雨水的装置和方法 Collection device and method for processing rainwater river area early villages |
| 04/10/2012 | US8152997 Stormwater control system and related method |
| 04/04/2012 | EP2436843A2 Method for forming reclaimed land within seawall and construction equipment thereof |
| 04/03/2012 | US8147166 Drainage element with laminated membrane material |
| 03/28/2012 | CN102392436A Drainage-saving system for cultivation in farmland |
| 03/28/2012 | CN102392433A Drainage channel overflow weir for reducing agricultural non-point source pollution |
| 03/27/2012 | US8142106 Subsurface sewage disposal and wastewater treatment system |
| 03/21/2012 | CN202170503U 用于有底测坑土壤排水的控制系统 Bottomed pit for measuring soil drainage control system |
| 03/21/2012 | CN202170502U 一种土质路堑边坡排水系统 An earthy Cut Slope drainage system |
| 03/21/2012 | CN102383408A Greening method for high water level impermeable saline and alkaline lands and greening system |
| 03/16/2012 | DE202010016596U1 Unterirdischer Speicher Underground storage |
| 03/15/2012 | DE102010045093A1 Drainageprofil zur Entwässerung von Flach- und Gründächern sowie von ebenen Nutzflächen Drainage profile for drainage of flat and green roofs as well as flat land |
| 03/15/2012 | DE102010045001A1 Entwässerungssystem, Verfahren zu seiner Herstellung und Bauelemente hierfür Dewatering system, method for its preparation and components therefor |
| 03/14/2012 | DE202012100104U1 Entwässerungseinrichtung zur Verwendung in einem eine Füllung aus Erde, Pflanzgranulat oder dergleichen aufweisenden Pflanzgefäß Drainage means for use in a filling of a soil, seed granules or the like having planter |
| 03/14/2012 | CN202164574U 多功能立式移动泵站 Multifunction vertical movement Pumping |
| 03/14/2012 | CN202164573U 远程控制履带式翻转移动泵站 Remote control crawler flip mobile pumping station |
| 03/12/2012 | DE202010016295U1 Strukturkörper für ein Rigolensystem und Rigolensystem Structural body for a trench system and trench system |
| 03/08/2012 | US20120057934 Fluid distribution system |
| 03/06/2012 | US8128315 Fitting |
| 03/06/2012 | DE202011109715U1 Langlebige Versickerungskästen zum Aufbau einer hochbelastbaren Wasserversickerungsanordnung Durable infiltration boxes to build a heavy-duty water seepage arrangement |
| 02/28/2012 | US8123436 Underground infiltration tank module |
| 02/22/2012 | EP2419572A2 Method for injecting surface water into the ground |
| 02/22/2012 | CN202148510U 远程控制履带式立式移动泵站 Remote control crawler vertical movement Pumping |
| 02/22/2012 | CN202148509U 履带式大流量应急移动泵站 Crawler large flow of emergency mobile pumping station |
| 02/22/2012 | CN202148508U 远程控制履带式旋转移动泵站 Remote control crawler rotary movement Pumping |
| 02/22/2012 | CN102359145A Baffled water holding garden system for treating rainwater collected in urban residential area |
| 02/22/2012 | CN101831898B 水平向浅层负压固结工作垫层的方法 Shallow level to cushion the negative pressure method of consolidation work |
| 02/16/2012 | US20120040767 Areas for equestrian activities using structural modules |
| 02/09/2012 | WO2012018977A1 Irrigation system and method |
| 02/08/2012 | CN202139578U 一种退水装置 One kind of back water installations |
| 02/08/2012 | CN202135547U 多功能田园农水管理联用机 Multifunction Tianyuan Nong water management combined with machine |
| 02/08/2012 | CN102345282A Underground leakage drainage corrugated pipe |
| 02/07/2012 | US8109045 Form drain for incorporation into a building foundation |
| 02/01/2012 | CN202131624U 螺旋式挖沟器 Spiral trenching device |
| 02/01/2012 | CN102071697B 硬质钢筋混凝土护岸斜坡生态修复方法 Hard concrete revetment slopes ecological restoration methods |
| 01/31/2012 | US8104994 Subsoil drainage system |
| 01/27/2012 | DE202011106904U1 Rigole zur Aufnahme von Flüssigkeiten, insbesondere von Wasser Trench to hold liquids, especially water |
| 01/25/2012 | EP1603725B1 Drainage/irrigation elements from recycled plastics |
| 01/25/2012 | CN202124843U Flood discharge facility of slag blocking dam of tailing pond |
| 01/24/2012 | US8100604 Passive capillary wicking device |
| 01/18/2012 | CN202117038U Water diversion belt |
| 01/11/2012 | CN202108035U Embedded pipe drainage control device |
| 01/11/2012 | CN102312420A Siphon water level controller |
| 01/04/2012 | CN202099791U Forming integrative machine for disk-type canal |
| 01/04/2012 | CN202099777U Ecotype bank revetment structure |
| 01/04/2012 | CN1969095B Infiltration block |
| 12/28/2011 | CN102296580A 一种边坡浅层排水系统 One kind of shallow slope drainage system |
| 12/21/2011 | EP2397615A2 Infiltration and transport sewer |
| 12/21/2011 | CN202081412U 一种贮灰场l型排水结构 One kind of type l ash field drainage structures |
| 12/21/2011 | CN202081411U 一种新型的排水管 A new drain |
| 12/21/2011 | CN202081409U 一种用灰渣筑成的贮灰场初期坝结构 One kind with ash Ash built into the initial dam construction |
| 12/15/2011 | US20110305512 Storm Water Chamber With Floor Liner |
| 12/11/2011 | CA2743193A1 Storm water chamber with floor liner |
| 12/08/2011 | US20110299928 Irrigation System using Plastic Film Applied to Cultivated Furrows to Capture Rain Water or Water from Irrigation Systems that Simulate Rain and Method of Installation |
| 12/07/2011 | CN202064333U 塑料盲沟管材 Plastic blind ditch pipe |
| 12/07/2011 | CN202064332U 塑料盲沟 Plastic blind ditch |
| 12/07/2011 | CN202064331U 盲沟管 Blind ditch pipe |
| 12/06/2011 | US8070395 Woven geosynthetic fabric with differential wicking capability |
| 12/01/2011 | US20110293371 Leaching chamber having pillars |
| 12/01/2011 | US20110293370 Leaching chamber having pillars |
| 12/01/2011 | DE102010029312A1 Vorrichtung und Verfahren zum Verlegen einer Drainage Apparatus and method for installing a drainage |
| 11/30/2011 | EP2390422A2 Method and device for laying drainage |
| 11/23/2011 | CN202047403U Water draining device for seedling nursery in garden |
| 11/15/2011 | US8056629 Slant well desalination feedwater supply system and method for constructing same |
| 11/10/2011 | DE102010028607A1 Raumsparende Anordnung von Rigolenkomponenten und diese ermöglichende Rigolenkomponente Space-saving arrangement of these Rigolenkomponenten and enabling Rigolenkomponente |
| 11/09/2011 | EP2385178A2 Space saving assembly of infiltration ditch components and infiltration ditch components for same |