Patents
Patents for E02B 11 - Drainage of soil, e.g. for agricultural purposes (2,085)
08/2009
08/06/2009US20090196691 Drain board installing device without anchor plate
08/05/2009CN101498127A Water drainage member having novel core plate
08/05/2009CN101496969A Ventilated anti-blocking composite filter tube structure and method for banding the same
07/2009
07/28/2009US7566188 Method and device for inserting a drainage wick
07/23/2009US20090185862 Flood control system
07/22/2009CN201276695Y Screw type trenching machine
07/16/2009DE102007056765B3 Entwässerungsmatte Drainage mat
07/08/2009CN100510272C Stage and step dynamic control agricultural field drainage design method
07/02/2009US20090169303 Subsurface drainage system and drain structure therefor
06/2009
06/30/2009CA2530554C Groundwater control system with purity sensor and method
06/18/2009WO2009075587A1 Drainage system and method for installation of drainage system
06/18/2009CA2708831A1 Drainage system and method for installation of drainage system
06/11/2009CA2632959A1 Transport corridor infiltration system
05/2009
05/28/2009WO2006055407A3 Sewage effluent distribution means
05/27/2009EP2063027A2 Drainage mat
05/27/2009CN100491100C Method for manufacturing water drainage from recycled plastic and drainage/irrigation elements from recycled plastics
05/20/2009CN201241323Y Outside cable ditch water discharge structure
05/19/2009US7534070 Water collection and distribution system for yard maintenance
05/14/2009WO2009060228A1 A method and device for dewatering and, drying a wet mineral concentrate
05/14/2009US20090123232 Drainage element with a periphery of different materials
05/06/2009CN100485131C Control case for controlling water drainage and pollution discharge in farmland and automatic control system for water in farmland
04/2009
04/30/2009WO2006138060A3 Drain field systems and methods for implementing same
04/29/2009CN201228354Y Facilities for agricultural land storm drainage and drought control
04/25/2009CA2607716A1 Method and system for the drainage of iron ochre, and their use
04/23/2009DE202009000728U1 Schutzvorrichtung für Drainagerohre Protection device for drainage pipes
04/16/2009WO2008051553A3 Drainage system for synthetic grass system, method of installing a synthetic grass system and business method of providing a synthetic grass system
04/14/2009US7517172 Subsurface fluid distribution apparatus
04/09/2009WO2009045516A1 Modular synthetic grass turf assembly
04/09/2009US20090092445 Apparatus for making drainage element with a periphery of different materials
04/09/2009CA2702130A1 Tile for synthetic grass system
04/01/2009CN201214783Y Ecological protecting wall of elevated plain pre-dam
03/2009
03/26/2009US20090080976 Lightweight aggregate unit and method of manufacture
03/25/2009CN201212590Y Plastic three-dimensional composite permeable tube
03/25/2009CN101392519A Agricultural land concealed pipe water level water quality co-controlling drainage
03/19/2009WO2009033354A1 Penetration and convection pipe device for drainage and irrigation
03/19/2009US20090074512 Drainage element
03/17/2009US7503726 Subsurface drainage system and drain structure therefor
03/17/2009CA2457135C A structural module
03/12/2009US20090067928 Septic system
03/11/2009CN101379941A Method for increasing big tree transplanting survival rate using flexible porous tube
03/10/2009US7500805 Low-nest height thermoplastic leaching chamber
03/10/2009US7500492 Device for disbursing underground a liquid discharged from a sump pump
02/2009
02/25/2009CN101372832A Water injection well
02/25/2009CN101372831A Method for constructing water injection well
02/18/2009CN201195836Y High-strength grille type plastic foramen magnum water penetrating cage
02/17/2009US7491019 Erosion prevention system and method of use
02/17/2009US7491015 Outwardly dished end plate for stormwater chamber
02/17/2009US7490630 Pipe system
02/11/2009CN201193537Y Water drain plate
02/11/2009CN100460600C Blowing-filling sea-mud solidification construction method in changing coast into earth
02/05/2009WO2009016854A1 Method for preventing collapse of dike
02/05/2009WO2008139430A3 Drainage system for aerated heap leaching comprising perforated flat tubes
02/05/2009US20090032791 High Impact Resistant Barrier/Fence
01/2009
01/28/2009CN201187050Y Silt seepage and drainage apparatus
01/28/2009CN101353892A Three-dimensional space water drainage method and structure of gravitational field
01/28/2009CN101353884A Well-digging type ground water recharge and flood control discharge method
01/27/2009CA2535015C Faceted end cap for leaching chamber
01/13/2009US7476060 Bulk material handling system and portable loading apparatus thereof
01/06/2009US7473055 Water retention system
01/06/2009CA2303658C Storm or waste water chamber featuring strain relief notches for improved flexibility and contouring the chamber
12/2008
12/31/2008EP2007949A1 Dewatering and/or drainage device
12/31/2008CN201172813Y Dual chamber water drainage and sewage treating tube
12/31/2008CN201171302Y Double irrigation tube trace filtration irrigation device
12/24/2008DE102004027216B4 Spülschachtkombination für Dränageleitungen zum Dränageneubau oder zum nachträglichen Einbau Spülschachtkombination for drainpipes to Dränageneubau or for retrofitting
12/17/2008CN101324084A Silo bottom rectifying energy dissipator
12/16/2008US7465122 Leaching chamber having high leaching area to weight ratio
12/11/2008DE102004022172B4 Gestelzter, stehender Spülschacht zur Entschlammung des äusseren Dränagebereichs Stilted, standing culvert for desludging of the outer Dränagebereichs
12/04/2008US20080298897 Enhanced soaker hose
12/04/2008US20080298896 Method and Device for Waterproofing and Draining Off Infliltrated Water in Hydraulic Structures
12/04/2008US20080298895 Connection structure of plate-type vertical drain and circular horizontal drainpipe and method of constructing horizontal drain layer in soft ground using the same
12/03/2008CN201159341Y Double-wall corrugated pipe for drainage
12/03/2008CN101314948A Three-dimensional water discharge coupling button apparatus
11/2008
11/27/2008WO2007092828A3 Water drain tank or channel module
11/20/2008WO2008138218A1 Water draining method and the draining pipe therefore
11/19/2008CN101307596A Large medium river course compound platform surface source control and purification system
11/19/2008CN101305673A Process for planting jute in alkali land
11/19/2008CN100434599C Method of making a sloted wall in ground and device therefor
11/13/2008DE20321648U1 Drainage-Tank mit Spülrohr Drainage tank flush pipe
11/12/2008CN201148611Y Water drain plate
11/12/2008CN201148610Y Water storing and draining plate
11/04/2008CA2525638C Drainage member with expansion zones
10/2008
10/30/2008US20080267709 Method and apparatus for coupling drainage units
10/23/2008WO2008128156A1 Lighweight aggregate unit and method of manufacture
10/23/2008US20080260463 Fabric structure for water and soil conservation and manufacturing apparatus for the same
10/22/2008EP1983110A2 Drainage pipe for the catchment and return of sea water
10/15/2008CN101283656A Shallow water level double salt-affected soil raw soil planting and greening method
10/09/2008WO2008121890A1 Subsurface fluid distribution apparatus
10/09/2008CA2719949A1 Subsurface fluid distribution apparatus
10/02/2008US20080240859 Subsurface fluid distribution apparatus
09/2008
09/18/2008US20080226394 Leaching chamber having a diagonally ribbed top
09/12/2008WO2008052224A3 Solar poly farm for solar power generation and agriculture
09/11/2008US20080219770 Drainage system for synthetic grass system, method of installing a synthetic grass system and business method of providing a synthetic grass system
09/10/2008CN101260661A Automatic irrigation and drainage method and system for agricultural land
09/02/2008US7419333 Drainage element
09/02/2008US7419332 Leaching chamber with strengthened dome end
09/02/2008US7419331 Leaching chamber with varying slot opening height
08/2008
08/28/2008US20080205987 Method and apparatus for controlling drainage and irrigation of fields
08/26/2008CA2286336C Subsurface fluid drainage and storage systems
08/19/2008US7413382 Coupler for leaching chamber systems
08/19/2008US7413380 Golf course turf conditioning control system and method
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