| Patents for E02B 11 - Drainage of soil, e.g. for agricultural purposes (2,085) |
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| 03/24/2011 | WO2010132267A3 Flow control system for a detention pond |
| 03/23/2011 | EP2296455A1 Flexible drainage cell |
| 03/23/2011 | CN201770973U Soil engineering drainage permeable net |
| 03/22/2011 | US7909535 Soil drainage system |
| 03/22/2011 | US7909531 Surface drainage system |
| 03/22/2011 | US7909370 Root-repellant drain/sewer pipe connector |
| 03/17/2011 | WO2010137813A3 Method for forming reclaimed land within seawall and construction equipment thereof |
| 03/17/2011 | US20110064521 Farmable water quality inlet for transporting water from surface to drainage pipe |
| 03/16/2011 | CA2714796A1 Farmable water quality inlet for transporting water from surface to drainage pipe |
| 03/10/2011 | US20110058900 Apparatus for and method of irrigating soil |
| 03/03/2011 | US20110052321 Drainage system for directing surface water to underground strata |
| 02/22/2011 | CA2634311C Corrugated leaching chamber |
| 02/17/2011 | DE202010015155U1 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 |
| 02/16/2011 | CN201746827U Farmland drainage ditch triangle water stop layered control weir |
| 02/15/2011 | US7887256 Smooth interior water collection and storage assembly |
| 02/09/2011 | CN201738290U Farmland drainage concealed pipe with coatings of composite out-packing filter materials |
| 02/09/2011 | CN201738289U Water draining outlet controlling and water metering device for farmland hidden pipes |
| 02/09/2011 | CN101967812A Dewatering installation of planting roof of horizontal underground garage |
| 02/09/2011 | CN101581090B Water-fluctuation zone lowland water and soil conservation rapid water discharge method |
| 02/08/2011 | US7883291 Mandrel-wound flocculant-containing fiber filtration tubes |
| 02/02/2011 | CN101965426A Plastic detention chamber for stormwater runoff and related system and methods |
| 01/27/2011 | US20110020065 Leaching chamber having pillars and wide peak corrugations |
| 01/25/2011 | US7874767 Woven geosynthetic fabric with differential wicking capability |
| 01/20/2011 | WO2011006192A1 Liquid run-off disposal system |
| 01/20/2011 | DE202010008968U1 Grabenfräse Grave milling machine |
| 01/19/2011 | CN101045237B Method for improving medium or serious saline and alkaline land by the sea, and comprehensive utilization of the same |
| 01/11/2011 | US7866918 Soil stabilization and irrigation arrangement |
| 01/11/2011 | US7866911 Slotted drain |
| 12/30/2010 | US20100329789 Leaching chamber family with common end connectors |
| 12/30/2010 | US20100329788 Corrugated leaching chamber having wide peak corrugations |
| 12/30/2010 | US20100329787 Corrugated Leaching Chamber with Hollow Pillar Supports |
| 12/28/2010 | US7857547 Drain panels and blocks |
| 12/28/2010 | US7857546 Method and apparatus for controlling drainage and irrigation of fields |
| 12/22/2010 | CN201680112U Drainage-pipe plug for farmlands and ponds |
| 12/22/2010 | CN101920566A Producing method for stretching nets with multi-aspect |
| 12/15/2010 | CN201671090U Drainage water level controller for farmland subsurface tube |
| 12/15/2010 | CN1776100B Drainage member with expansion zones and method for manufacturing drainage member |
| 12/08/2010 | CN101067313B Draining method and draining and irrigating tube thereof |
| 12/02/2010 | WO2010137813A2 Method for forming reclaimed land within seawall and construction equipment thereof |
| 12/02/2010 | DE102009023321A1 Under-floor positionable membrane hose for maintenance of e.g. vegetation layer, has wall permeable to fluids, cavity for transporting fluids, where wall is partially sealed, and seal attached to outer side and inner side of wall |
| 12/02/2010 | DE102009023271A1 Verfahren und Vorrichtung zur Pflege von Vegetationsschichten Method and apparatus for maintaining vegetation layers |
| 12/02/2010 | DE102009023270A1 Underfloor positionable membrane hose for maintenance of e.g. vegetation layers, has cavity for transporting fluids, where hose is provided over entire length of cavity in temperature control device |
| 12/01/2010 | EP2255609A1 Method and device for caring for vegetation layers |
| 12/01/2010 | CN101899821A Vertical bank protecting zone area source pollution purifying system combined with bank |
| 12/01/2010 | CN101372832B Water injection well |
| 11/30/2010 | CA2357378C Adjustable angle coupler for leaching chamber systems |
| 11/25/2010 | US20100294705 Water drainage and harvesting system for an artificial turf environment |
| 11/24/2010 | CN201649050U Drainage device |
| 11/24/2010 | CN101892655A Water level and water quality layering control weir of drainage ditch of rice field |
| 11/18/2010 | WO2010132267A2 Flow control system for a detention pond |
| 11/17/2010 | EP2250320A2 Plastic detention chamber for stormwater runoff and related system and methods |
| 11/17/2010 | CN101886449A Method for draining accumulated water from hanging garden on podium building roof and green area on top surface of basement |
| 11/17/2010 | CN101886424A Water retention system of infiltration well |
| 11/10/2010 | EP2247796A1 Drainage system and method for installation of drainage system |
| 11/10/2010 | CN201627208U Ditch-spanning drainage intercepting system in deformable body or loose body side slope processing |
| 11/03/2010 | EP2246476A1 Drain system, as well as sleeve for such drain system |
| 10/28/2010 | US20100272513 Method of manufacturing a tubing for a subsurface water drainage system |
| 10/27/2010 | CN201614581U 一种农田排渍水位控制管 One kind of level control farmland Underground Drainage Pipe |
| 10/27/2010 | CN201614580U 一种农田排渍控制箱 One kind of farmland Underground Drainage Control Box |
| 10/27/2010 | CN201614579U 一种分层式农田排渍控制管 A layered style of farmland Underground Drainage control tube |
| 10/27/2010 | CN201614578U 一种农田排渍控制套管 One kind of farmland Underground Drainage control sleeve |
| 10/27/2010 | CN201614577U 一种农田暗管排水控制管 One kind of agricultural subsurface drainage control tube |
| 10/21/2010 | WO2010120351A2 Method for injecting surface water into the ground |
| 10/21/2010 | CA2759035A1 Method for injecting surface water into the ground |
| 10/19/2010 | US7815395 Subsurface drainage system and drain structure therefor |
| 10/14/2010 | US20100260547 Method For Injecting Surface Water Into The Ground |
| 10/14/2010 | US20100260546 Subsurface drainage system and drain structure therefor |
| 10/14/2010 | DE202010009882U1 Vorrichtung zum Ein- und/oder Herausdrehen einer Geländemarkierung in bzw. aus einem Geländeuntergrund Apparatus for input and / or unscrewing a site marker into or out of an area underground |
| 10/12/2010 | US7811030 Water drainage system for a field having a water impermeable layer |
| 10/05/2010 | US7806627 Storm water retention chambers with arch-shaped row connector |
| 09/29/2010 | CN101115888B Subsurface stormwater system |
| 09/29/2010 | CN101107907B Stereo ecological planting method of south yew interplant of bean |
| 09/23/2010 | US20100239372 Flood irrigation system by channels using plastic film |
| 09/22/2010 | CN201588196U Horizontal directional vibration immersed pipe device |
| 09/15/2010 | CN101831898A Horizontal shallow layer negative-pressure consolidation working cushion layer technique |
| 09/02/2010 | US20100221068 Method And Apparatus For Fluid Retention or Detention |
| 09/01/2010 | CN201567557U Self-adapting flexible body structure side slop drainage channel |
| 09/01/2010 | CN201567556U Daylight greenhouse concealed pipe salt discharge device |
| 09/01/2010 | CN101818499A Revegetation system on steep rocky slopes and implementing method thereof |
| 08/31/2010 | US7784217 Fertilization grate and trough system |
| 08/19/2010 | DE102008053239B3 Device for forming process-controlled horizontal filter well utilized e.g. for ground water drainage in brown coal open mining, has post-cutting head with borehole conduit connected with borehole outlet and chipped pipe by swing bearing |
| 08/11/2010 | CN201541524U Water-saving plastic shed |
| 08/11/2010 | CN201541434U Double-circular plate ditching machine with two-stage transmission |
| 08/04/2010 | CN101793018A Water level control pipe for farmland subsurface water control |
| 07/29/2010 | US20100189506 Methods for installing and using paper-enclosed filter media units in an effluent treatment system |
| 07/29/2010 | US20100189505 Article employing expanded thermoplastic elements and methods for making same |
| 07/29/2010 | US20100189504 Structure of infiltration pipe |
| 07/28/2010 | EP2209368A1 Modular synthetic grass turf assembly |
| 07/28/2010 | CN101785417A Method for constructing five-in-one farmlands |
| 07/27/2010 | US7762740 Fluid distribution system |
| 07/27/2010 | CA2535017C Corrugated leaching chamber |
| 07/21/2010 | CN201531014U Injection mould storage discharge board |
| 07/15/2010 | US20100178112 Leach Field Form and Method of Use |
| 07/15/2010 | US20100178111 Soil drainage system |
| 06/29/2010 | US7744308 Drainage element of ovate shape and method of making |
| 06/23/2010 | CN101748734A Foundation pit side slope sandy soil drainage method |
| 06/22/2010 | US7740422 Method for producing large surface area geogrids with high tensile strength and large surface area geogrids |
| 06/22/2010 | US7740042 Apparatus for vibration welding of sheet materials |
| 06/17/2010 | US20100150654 Aquifer replenishment system with filter |
| 06/16/2010 | CN101731120A Hydrophobic drainage method in planting technique |