Patents
Sitemap › E02 - Hydraulic engineering; Foundations; Soil-shifting › E02B - Hydraulic engineering › E02B 11 - Drainage of soil, e.g. for agricultural purposes
Patents for E02B 11 - Drainage of soil, e.g. for agricultural purposes (2,085)
01/1997
01/29/1997CN1141660A Weak ground reinforceing drain structure and method
01/28/1997US5597045 Process and tool for laying underground collector mains for liquids and gases
01/23/1997DE19625073A1 Digging=free system for laying underground drain seepage pipes
01/20/1997CA2154239A1 Earth drains
12/1996
12/31/1996CA2083400C Horizontal dewatering system
12/31/1996CA2024869C Landfill site with leachate collection
12/17/1996US5584603 Drainage wick inserting device
12/11/1996EP0747536A1 Weak ground reinforcing drain structure and method and apparatus for arranging the same
12/05/1996DE19518998A1 Drainage system for contaminated disposal site
11/1996
11/28/1996DE19518602A1 Sealing film for flat roof grassing or tip and tunnel areas
11/12/1996US5573347 Drain preparation apparatus and method of using same
10/1996
10/30/1996CN2238852Y Elastic plastic flexible type water pipe
10/30/1996CN1134494A Construction of drainage channel
10/24/1996WO1996033313A1 Drain forming equipment for reinforcing soft ground, and method and structure for arranging drains
10/24/1996CA2218239A1 Drain forming equipment for reinforcing soft ground, and method and structure for arranging drains
10/22/1996US5567077 Drainage network
10/16/1996CN1133375A Buried water drainage parts for golf game field and the like
10/15/1996US5564857 Slutted drain
10/10/1996WO1996031661A1 Drainage system for draining water from a layer of the ground
10/10/1996WO1996031660A1 Underground drain system
10/02/1996EP0734604A1 Cable duct element
10/02/1996EP0734478A1 Underground drainage system
10/01/1996US5560163 Drainage connector and device to connect to drainage connector
09/1996
09/24/1996US5558461 Tubular gutter system
08/1996
08/27/1996US5549415 Septic tank drainfield installation device and method
08/25/1996CA2143393A1 Drainage system
08/22/1996WO1996025035A1 Control system for draining, irrigating and heating an athletic field
08/22/1996WO1996025034A1 Drainage and irrigation system for natural turf athletic field
08/22/1996DE19504986A1 Draining pipe coupler for preventing water damage by pressure forming water collecting in building foundation ground
08/22/1996CA2213071A1 Drainage and irrigation system for natural turf athletic field
07/1996
07/16/1996US5535499 Methods for making light-weight drainage line units
06/1996
06/25/1996US5529436 Trench drain system
06/19/1996CN1124990A Earth drains
04/1996
04/25/1996DE19538707A1 Drainage system for waste deposit sites
04/24/1996EP0579631B1 Water extraction components produced by adhesive bonds and their use
04/17/1996EP0632859B1 Tubular gutter system
04/03/1996EP0704573A2 Polluted and paved with permeable paving elements groundsurface
03/1996
03/27/1996EP0702740A1 Earth drains
01/1996
01/17/1996EP0692573A1 System of cultivated areas, its maintenance process, in particular irrigation
01/11/1996WO1996000817A1 Modular drainage tube construction system
01/02/1996US5480260 Ground water collection method and apparatus
12/1995
12/27/1995EP0688906A1 Ground water drainage system
12/12/1995US5474398 Stabilized porous pipe
12/07/1995WO1995033099A1 Weak ground reinforcing drain structure and method and apparatus for arranging the same
12/07/1995CA2170403A1 Weak ground reinforcing drain structure and method and apparatus for arranging the same
12/06/1995CN2214461Y Soft drainage pipe
11/1995
11/14/1995US5466092 Form-drain filter
10/1995
10/17/1995US5458436 Modular drainage tube construction system
10/10/1995CA2012070C System for draining land areas through siphoning from a permeable catch basin
09/1995
09/28/1995DE4410612A1 Refuse tip sub-surface drain pipe supported by semi-circular rest with side flanges
09/21/1995DE4408811A1 Soil liq. sampling assembly of self-sealing modules joined by standard sleeve fittings
09/20/1995EP0672795A1 Drainage wick inserting device
09/20/1995EP0672214A1 Stabilized porous pipe
08/1995
08/30/1995CN1107643A Process and tool for laying underground collector mains for liquids and gases
08/29/1995US5445775 Blending a thermoplastic binder resins containing an ultraviolet stabilizer with vulcanized elastomer particles, extruding through a heated pipe die
08/24/1995DE4405395A1 Earth interment grave
08/17/1995WO1995021965A1 Improvements relating to geosynthetics
08/01/1995US5437698 Particularly, a structured body for the drainage treatment for the preparation for tree-planting ground, and its impounding and flushing system
07/1995
07/06/1995DE4400183A1 Hexagonal drainage elements assembled as drainage lining for open refuse tip
06/1995
06/22/1995WO1995016833A1 Underground drainage system
06/22/1995CA2179150A1 Underground drainage system
06/07/1995EP0656091A1 Retractable hose.
06/07/1995EP0519994B1 Drainage and erosion reduction means
05/1995
05/24/1995CN1028470C Self-watering system for track and field sports grounds
05/05/1995CA2102460A1 Prefabricated portable indoor/outdoor natural grass sportsfield
04/1995
04/18/1995US5406758 Combined form and drian title, and method of using same
04/05/1995EP0646677A2 Matting for erosion protection and or drainage
04/05/1995EP0646213A1 Process and tool for laying underground collector mains for liquids and gases
04/04/1995US5403118 Optimum water retention system for use in agricultural fields
03/1995
03/23/1995DE4343187A1 Drainage panel consisting of rigid foamed plastic
03/23/1995DE4331983A1 Silicate and/or mineral woven fabric and/or this (these) fabric(s) in combination(s) with itself (themselves) and/or silicate and/or mineral nonwoven fabric(s) for material separation, dewatering, watering, air humidification and/or air cooling
03/21/1995CA1334820C Multilayer structure
03/16/1995DE4431976A1 Erosion-protection or drainage mat
03/02/1995DE4332422C1 Process for the horizontal drainage of overtipped slopes
02/1995
02/28/1995CA2014980C Irrigation and drainage method and apparatus
02/21/1995CA1334485C Construction material
01/1995
01/11/1995EP0632859A1 Tubular gutter system.
01/10/1995US5380121 Slotted drain
01/05/1995DE4321350A1 Wire basket
01/03/1995US5378357 Light-weight drainage line unit employing end-to-end connectors
12/1994
12/22/1994WO1994029530A1 Earth drains
12/20/1994US5373661 Particularly, a structured body for the drainage treatment for the preparation for tree-planting ground, and its impounding and flushing system
12/13/1994US5372457 Method and apparatus for installing drainage channels
12/12/1994CA2098263A1 Earth drains
11/1994
11/24/1994WO1994026984A1 An article and method for aerating and/or draining the soil
11/23/1994CN1095442A Finned subterranean drainage device and method for fabricating the same
11/22/1994US5366323 Drainage and erosion reduction means
11/01/1994US5360290 Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump
10/1994
10/27/1994WO1994024414A1 Process and tool for laying underground collector mains for liquids and gases
10/13/1994DE4311357A1 Drain mat
10/05/1994CN1026077C Drainage system
09/1994
09/15/1994WO1994021018A1 Cable duct element
08/1994
08/31/1994EP0612888A1 Improvements in or relating to cores for drainage elements or the like and method of manufacturing same
08/25/1994DE4305383A1 Laying apparatus
08/18/1994WO1994014310A3 Optimum water retention system for use in agricultural fields
07/1994
07/07/1994WO1994014310A2 Optimum water retention system for use in agricultural fields
05/1994
05/31/1994US5316410 Foundation drainage system
05/25/1994EP0597849A1 Horizontal dewatering system
05/10/1994US5310280 Subsoil structure for sodded ground
05/04/1994EP0595515A1 Finned subterranean drainage device and method for fabricating the same
1 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21