Patents for E02B 11 - Drainage of soil, e.g. for agricultural purposes (2,085) |
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05/28/2002 | US6394706 Sea wall revetment system |
05/23/2002 | WO2002040784A2 Sub-base drainage device |
05/17/2002 | CA2326272A1 Sub-base drainage device |
05/15/2002 | EP1205391A1 Grating having struts with varying distances |
04/24/2002 | CN1345999A Soil and water conservation method |
04/23/2002 | US6375389 Method for fitting drainage devices into the soil, and drainage pipes for carrying out said method |
03/27/2002 | CN1341793A Vertical downspout |
03/06/2002 | CN1080354C Water drainage method |
03/06/2002 | CN1080193C Laminated structure article |
02/27/2002 | EP1181417A1 Material for use in a fluid transfer system |
02/21/2002 | WO2001013776A3 Dirt-removable water-drainable mat |
01/24/2002 | DE10055327C1 Grid plate for construction of 3-dimensional structure has struts within peripheral frame provided within variable spacing or cross-sectional geometry for increasing loading capacity at center of grid plate |
01/16/2002 | CN1330860A Mouse-way plough for agricultural field |
01/08/2002 | US6336770 Drainfield pipe installation device |
12/26/2001 | CN2467573Y Anti-return leaking drainage pipe at retaining wall or lining canal |
10/31/2001 | EP1149954A2 Drainage mat and method and device for its manufacture |
10/31/2001 | DE10020859A1 Dränmatte sowie Verfahren und Vorrichtung zu ihrer Herstellung Drainage mat as well as methods and apparatus for their preparation |
10/17/2001 | EP1146176A1 Reservoir structure |
10/16/2001 | US6302621 Segment for intake tunnels |
10/10/2001 | EP1141494A1 Water conduit |
09/18/2001 | US6290429 Multi-level leaching system |
09/05/2001 | EP0734478B1 Underground drainage system |
08/28/2001 | US6280117 Universal drain fitting |
08/23/2001 | DE10005061A1 Matte für Bauzwecke sowie Verfahren zu deren Herstellung Mat for construction purposes as well as processes for their preparation |
08/22/2001 | EP1125029A1 Infiltration drainage fitting or infiltration drainage conduit |
08/16/2001 | EP0840546B1 Device to introduce fluids into soil, filter beds etc. or to remove them from same |
08/16/2001 | DE10031663A1 Filterrohr und dessen Verwendung Filter tube and its use |
08/10/2001 | CA2335414A1 Unitary void-maintaining geosynthetic structures and drainage |
08/02/2001 | US20010010300 Plurality of panels filled with granular filtering material separated by elements cast in the ground, member emdedded in the element and auxiliary devices |
07/26/2001 | WO2001053608A1 Structural modular interconnectable subsoil drainage cell |
07/18/2001 | CN1303974A Drainage method and drain pipe using said method |
06/28/2001 | US20010004917 Providing in warp direction a plurality of strips having channels formed longitudinally therein, feeding strips into bonding zone wherein filter material is bonded over channels, bonding strips transverse to warp to form weft |
06/19/2001 | US6247874 Drainage and strap drain materials |
06/13/2001 | EP1106739A2 Combined soil reinforcement and drainage grid |
06/12/2001 | CA2037617C Method and apparatus for installation of drainage field |
06/05/2001 | US6241421 Subterranean drain assembly |
05/16/2001 | CN2429995Y Farm mole plow |
05/08/2001 | US6226937 Footing connector |
05/03/2001 | DE19940327C1 Vortriebsrohr für die Herstellung einer im wesentlichen horizontal verlaufenden Rohrleitung sowie Rohrleitung A drive-pipe for the preparation of a substantially horizontally extending pipe and pipe |
04/26/2001 | WO2001029334A1 Modular drainage channels |
04/11/2001 | EP1091047A2 Device and method for excavating deep trenches |
04/05/2001 | WO2001023672A1 Modular drainage unit |
04/05/2001 | CA2385007A1 Modular drainage unit |
03/28/2001 | CN1063815C Structure of drainage channel |
03/27/2001 | CA2138401C Process and tool for laying underground collector mains for liquids and gases |
03/14/2001 | EP0847462B1 Novel draining wall, method for producing same and element implementated thereby |
03/01/2001 | WO2001013776A2 Dirt-removable water-drainable mat |
03/01/2001 | DE10040032A1 Drainage vehicle for lawn surface has vehicle with surface cutting blades on rotary shaft and feeder tank for sand to fill slits |
02/28/2001 | EP1079026A2 Driving tube for the construction of a substantially horizontal pipeline |
02/22/2001 | WO2000050142A3 Sub-soil drainage cell |
02/08/2001 | WO2001008845A1 Apparatus for manufacturing drainage line units and associated methods |
02/07/2001 | CN1282823A Method for draining collected water from underground manhole |
02/07/2001 | CN1282660A Large surface area high tensile strength earth mat, its manufacturing method and device and its application |
02/01/2001 | WO2001007720A1 Infiltration drainage fitting or infiltration drainage conduit |
01/24/2001 | EP0966571A4 Subsurface fluid drainage and storage systems |
01/23/2001 | US6176065 Stacked structure |
01/18/2001 | DE19927670A1 Manufacturing process for three-dimensional geometric lattice work uses plastic/metal wires folded parallel and in a zig-sag shape, to form drainage element core |
01/17/2001 | CN2415060Y Device for draining silt-water in manhole |
01/17/2001 | CN1280232A Water filtering and draining pipe of steel fiber feinforced cement |
01/16/2001 | US6173483 Apparatus for manufacturing drainage line units and associated methods |
01/02/2001 | US6167914 Orifice protector |
12/26/2000 | US6164868 Prefabricated vertical earth drain with relief protrusions |
12/07/2000 | WO2000073593A1 Material for use in a fluid transfer system |
12/05/2000 | US6155748 Deep water riser flotation apparatus |
11/15/2000 | CN2405968Y Water-drainage pressure-reducing well capable of disassembling and changing |
11/02/2000 | WO2000065161A1 Integrated hydrologic circuits in valley-systems for water-supply, hydro-electricity and flood-control |
10/31/2000 | US6139221 Constant hydraulic head moat and method for controlling regional ground water flow |
10/25/2000 | CN2402725Y Combined removable paddy field rand |
10/25/2000 | CN2402724Y Improving device for muddy field |
10/19/2000 | DE19913479C1 Großflächige hochzugfeste Geogitter, Verfahren und Vorrichtung zu deren Herstellung und deren Verwendung als Drain- und Bewehrungsgitter sowie als Zäune Large-scale high tensile strength geogrid, Method and apparatus for their preparation and their use as drain and reinforcing grid, as well as fences |
10/17/2000 | US6132138 Gray water recycling system |
10/11/2000 | CN2400499Y Flood-diversion device for combating drought and draining waterlogged fields |
10/10/2000 | US6129482 Reversible interlocking field drain panel |
09/27/2000 | EP1038654A1 Large surface high tensile geo-grid and its use as draining and reinforcing mesh grid as well as fence |
09/27/2000 | CN1267767A Drainage method and drainage band thereof |
09/19/2000 | US6120209 Method of installing drainfield pipe |
09/15/2000 | CA2301762A1 Portable irrigation system |
08/31/2000 | WO2000050142A2 Sub-soil drainage cell |
08/18/2000 | CA2262207A1 Subterranean liquid distribution apparatus |
08/15/2000 | US6102618 Large-depth underground drainage facility and method of running same |
08/09/2000 | EP1026328A2 Method for extracting water from water-containing, poorly permeable soil |
08/09/2000 | CA2296422A1 Filter |
08/01/2000 | US6095721 Method and device for burying a conduit under water |
08/01/2000 | US6095718 Subsurface fluid drainage and storage systems |
07/18/2000 | US6089788 Vertical drain |
07/13/2000 | WO2000040811A1 Water conduit |
07/13/2000 | DE10000025A1 Water system, especially for rain water for collection and intermediate storage, and for reducing and extended time-throttled delivery of water introduced in water system; has at least one drainage pipe |
07/06/2000 | DE19847672C1 One-piece drainage component for installation beneath edge area of road surface has load accommodation points, which define locating surface on one side of component |
07/04/2000 | US6082928 Draining wall, method for producing same and element implemented thereby |
06/21/2000 | EP1010813A1 Draining mat |
06/21/2000 | EP1010812A1 Ground water drainage system |
06/20/2000 | US6076992 Underdrain pipe |
05/24/2000 | CN2379515Y Trencher |
05/18/2000 | WO2000028152A1 Improved subterranean drain assembly |
04/27/2000 | WO2000023659A1 Integrated hydrologic circuits |
04/25/2000 | US6053661 Variable fitting foam blocks as aggregate |
04/19/2000 | EP0795061B1 Drainage wall buried in the ground |
04/12/2000 | CN2373485Y Pipe for draining alkali |
04/11/2000 | US6048131 Subterranean fluid filtering and drainage system |
03/09/2000 | DE19840789A1 Permanent way trackside drainage provided by disk or band tool slotting for immediate flexible matting all from rail vehicle. |