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