Patents
Patents for E02B 11 - Drainage of soil, e.g. for agricultural purposes (2,085)
03/2000
03/02/2000WO2000011269A1 Pipe for draining or irrigating water or waste water
02/2000
02/22/2000US6027283 End caps for drainage system
01/2000
01/26/2000EP0974703A1 Half-shells to replace parts of sewer channels
01/19/2000EP0842330B1 Method and device for burying a conduit under water
01/05/2000EP0969151A1 Covered drainpipe
12/1999
12/29/1999EP0966571A1 Subsurface fluid drainage and storage systems
11/1999
11/16/1999US5984584 Fairings for drilling riser control pod hoses
11/11/1999DE19826834C1 Geotextile drainage sheet with improved resistance to compaction incorporating bracing layer and filtration layer
11/10/1999CN1046325C Complex cloth without spinning
11/09/1999US5980155 Composite geosynthetics and methods for their use
10/1999
10/27/1999EP0952257A2 Module for forming drainage trenches in the ground
09/1999
09/22/1999EP0943737A1 Irrigation and drainage box
09/22/1999EP0943233A1 Method suited to improve the conditions of humidity and ventilation around the roots of the plants in a cultivation
09/21/1999US5954451 Multi-layer material for processing septic efficient and waste water and method of using the same
08/1999
08/10/1999US5934828 Drainage method and strap draining materials therefor
08/04/1999EP0933477A1 Drainage method and strap draining materials therefor
08/03/1999US5930923 Method for operation to excavate underdrain in the field ground and a device for operation to excavate underdrain
07/1999
07/21/1999CN2329704Y Assemble U-draining device
06/1999
06/29/1999US5916104 Box, an insulating system, and a ground drainage system
06/17/1999DE19722951C1 Covering and drainage bead for concrete building section
06/15/1999US5911540 Subterranean liquid distribution apparatus
06/08/1999US5909982 Large-depth underground drainage facility and method of running same
05/1999
05/06/1999WO1999021802A1 Gray water recycling system
04/1999
04/28/1999CN2316339Y Vibration impact type machine for vertically spreading plastics and grooving
04/01/1999WO1999015734A1 Fluid feed or discharge device
03/1999
03/24/1999CN1211501A Laminated structure article
03/10/1999CN1042448C Earth drains
03/04/1999WO1999010604A1 A method of and apparatus for providing a subterranean drain
03/02/1999US5877096 Non-woven needle-punched filter fabric
02/1999
02/25/1999WO1999009298A1 Segment for intake tunnels
02/16/1999US5870865 Method for repairing a drainage system
02/02/1999CA2185087C Using multi-layer material in processing of septic effluent and waste water
01/1999
01/28/1999CA2213048A1 Box and insulating system for ground drainage
01/27/1999CN1206058A Water drainage method and belt drainage component used therein
01/21/1999WO1999002784A1 Low cost installation of columns of material
01/14/1999DE19729230A1 Surface for roads, paths, industrial and commercial areas, etc.
12/1998
12/24/1998DE19725692A1 Surface for roads, paths, industrial and commercial areas, etc.
12/15/1998US5848856 Subsurface fluid drainage and storage systems
11/1998
11/25/1998EP0879922A2 Stacked structure
11/17/1998US5836716 Drainage pipe
11/11/1998EP0877126A2 Infiltration device
11/03/1998US5829916 Drainfield pipe
10/1998
10/20/1998US5823711 Water drainage and collection system and method of construction thereof
10/14/1998EP0870875A2 A vertical drain
10/14/1998EP0870874A1 Method and device for putting a drain pipe almost horizontally in the ground
10/13/1998US5820296 Prefabricated vertical earth drain and method of making the same
10/07/1998CN2293593Y Clean water-storing water tank
10/06/1998US5816742 Permeable conduits for disbursing fluids
09/1998
09/22/1998US5810510 Underground drainage system
09/22/1998US5810509 Buried field drainage pipe
08/1998
08/13/1998WO1998035106A1 Subsurface fluid drainage and storage systems
08/06/1998DE19704165A1 Surface for roads, paths, industrial and commercial areas, etc.
08/06/1998DE19703826A1 Drainage tube made of porous material
07/1998
07/22/1998EP0646213B1 Process and tool for laying underground collector mains for liquids and gases
07/14/1998US5780144 Planar drainage and impact protection material
07/08/1998EP0734478A4 Underground drainage system
07/07/1998US5776387 Method of forming stabilized porous pipe
06/1998
06/17/1998EP0847462A1 Novel draining wall, method for producing same and element implementated thereby
06/17/1998EP0734604B1 Cable duct element
05/1998
05/28/1998DE19647361A1 Laminated floor surface for roads, etc.
05/20/1998EP0842330A1 Method and device for burying a conduit under water
05/19/1998US5752784 Low profile drainage network for athletic field drainage system
05/14/1998DE19648365C1 Foundation shrouding
05/13/1998EP0840546A1 Device to introduce fluids into soil, filter beds etc. or to remove them from same
04/1998
04/30/1998WO1998017870A1 Elasticized geosynthetic panel, geofoam composition and method
03/1998
03/31/1998US5733065 Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump
03/11/1998CN1175647A Light-weight material for burying in civil engineering
02/1998
02/04/1998EP0822295A1 Drain forming equipment for reinforcing soft ground, and method and structure for arranging drains
02/03/1998US5713696 Elasticized geosynthetic panel and geofoam composition
12/1997
12/31/1997WO1997049871A1 Novel draining wall, method for producing same and element implementated thereby
12/03/1997EP0809431A1 Drainage and irrigation system for natural turf athletic field
11/1997
11/27/1997WO1997043895A1 Device to introduce fluids into soil, filter beds etc. or to remove them from same
11/25/1997US5689921 Footing connector and method of use
11/20/1997DE19619957A1 Pipes for drinking water treatment, drainage wells, irrigation or water=wheels comprising quartz sand and poly:urethane binder
11/18/1997US5688073 Earth drains
10/1997
10/10/1997CA2202233A1 Underdrain pipe
09/1997
09/17/1997EP0795061A1 Drainage wall buried in the ground
08/1997
08/28/1997DE19607242A1 Golf installation
08/19/1997US5657527 Methods for making light-weight drainage line units
08/06/1997EP0787865A1 Box and system for insulation and ground drainage
07/1997
07/31/1997DE19612573C1 Method of temporarily sealing catchwater drain pipe during laying
07/24/1997WO1997025856A1 Drainage and/or irrigation
07/15/1997US5647690 Low cost installation of columns of material
06/1997
06/17/1997US5639364 Light-weight drainage line units
06/04/1997EP0777017A1 Pipeline with concentric pipes
06/03/1997US5634741 Form-drain filter clamp
06/03/1997US5634311 Drainage conduit
05/1997
05/21/1997EP0656091B1 Retractable hose
04/1997
04/29/1997US5624226 Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump
04/29/1997CA2105787C Slotted drain
04/24/1997DE19539109A1 Drainage for cemetery situated between rows of graves and comprising narrow trench
04/16/1997EP0768432A1 Drainage system and method for earth and walls using a granular material
04/16/1997EP0768431A1 Gutter system
04/09/1997EP0672214A4 Stabilized porous pipe.
03/1997
03/13/1997WO1997009486A1 Drainage wall buried in the ground
03/05/1997EP0702740B1 Earth drains
03/04/1997US5607107 Retractable hose
02/1997
02/11/1997US5601907 Three-dimensionally constructed net
02/06/1997WO1997004181A1 Method and device for burying a conduit under water
02/06/1997WO1997004178A1 Earth drains
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