Patents
Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683)
10/2009
10/27/2009CA2514638C Method and trench wall cutting device for making a trench wall in the soil
10/22/2009US20090260264 Trencher attachment
10/21/2009CN101561518A Gas breaking and vacuum suction point probe device and method thereof
10/21/2009CN101560782A Washing, sucking, cutting and spading integrating dredging device
10/21/2009CN101560781A A dredging sucker
10/21/2009CN101560780A Deepwater underwater excavation device
10/14/2009EP2108745A2 Method and device for laying a conduit in the ground.
10/14/2009CN201325492Y Gathering-arm tracked chassis and vehicle
10/14/2009CN101555697A Small-sized chain trencher
10/08/2009DE102008016673A1 Vorrichtung zum Fräsen und Mischen von Böden Apparatus for milling and mixing of soils
10/07/2009CN101550707A An engineering machinery and its reel pipe device
10/07/2009CN101550691A Driving device for manufacturing underground continuous wall and jointing method
10/06/2009US7596893 Work machine
09/2009
09/30/2009CN201317949Y Sand disturbance system
09/24/2009DE202009005774U1 Sandspülsystem Sandspülsystem
09/23/2009CN101538873A Environment-friendly dredger dredging reamer
09/23/2009CN100543244C River course dredging desilting screw propeller sand disturbing device
09/23/2009CN100543243C Method for control of yellow River downstream sediment
09/23/2009CN100543242C Riverway finishing device with sand transporting function
09/22/2009US7591514 Cutter head for an excavator machine
09/17/2009WO2009112596A1 Underwater leveller
09/16/2009CN201310107Y River desilting boat
09/16/2009CN201310106Y Electric digging machine
09/16/2009CN101535573A Excavator 3D integrated laser and radio positioning guidance system
09/10/2009US20090223683 Machine for removing ferrous debris
09/10/2009US20090223215 Work machine, control system and method for controlling an engine in a work machine
09/10/2009DE202009002182U1 Vorrichtung zum Bearbeiten einer Bodenfläche An apparatus for processing a bottom surface
09/09/2009CN201305863Y Riverway-dredging vessel
09/09/2009CN201305862Y Silt-beating-and-removing vessel for riverways
09/09/2009CN101525879A Method and device for manufacturing diaphragm walls through rotary drilling
09/01/2009CA2426575C Trenching method and apparatus
08/2009
08/27/2009DE102008010461A1 Contact pressure adjusting and/or limiting method for mounted compactor, involves detecting contact force or value related to contact force, where contact force is adjusted or limited based on detected contact force or value
08/26/2009CN101514560A Method for controlling fast discharge of rotary drill rig
08/20/2009US20090206041 Method for removing alluvial deposits from the bottom of a watery area
08/19/2009EP1467030B1 Underground pipe and cable gallery which can be inspected
08/19/2009CN201292543Y Centralization lubrication structure of multifunction rapid crusher
08/19/2009CN201292498Y Pneumatic pick apparatus
08/19/2009CN101507384A Cutter-head of machine for making furrows
08/13/2009WO2009097641A1 Cultivation system and a subsoil tool
08/12/2009CN201288349Y Cutting board of loosening machine
08/12/2009CN201288348Y Well type crab bucket cuttingout and dredging ship
08/12/2009CN101506438A An improved ripper boot including a high tensile tip
08/12/2009CN100526567C Underwater digging chain
08/11/2009US7571558 Backhoe hydraulic system
08/06/2009DE202009005511U1 Elektrische Fräse zur Ausfräsung einer Verlegenut für Begrenzungslinien auf Sportplätzen, insbesondere auf Tennisplätzen Electrical milling for milling a laying of boundary lines on sports fields, tennis courts and in particular
08/06/2009DE102008006211A1 Anbauverdichter Mounted compactors
08/05/2009EP2084796A1 Apparatus for laying underground cables, tubes and like
08/05/2009CN201284477Y On-water temperature-adjusting silt-suction platform
08/05/2009CN201284474Y Non-power sand-discharging guiding apparatus
08/05/2009CN100522142C Control of process humidify to produce large porous particles
08/04/2009CA2404610C Apparatus for assembling a liner
07/2009
07/30/2009US20090188137 Autonomous excavating apparatus
07/29/2009CN201280734Y Breaking hammer and protective casing of the breaking hammer
07/29/2009CN201280733Y Mud-blocking curtain wall for scoop dredger construction
07/23/2009US20090184066 Method and Apparatus for Collecting and/or Removing Sludge
07/23/2009US20090183396 Automatically steerable trencher
07/23/2009CA2651113A1 Tracked hydrovacuum vehicle
07/21/2009US7562717 Culvert opening and cleaning apparatus
07/21/2009US7562472 Work machine
07/16/2009WO2009035960A3 On-board service tool and method for monitoring and diagnosing trencher systems
07/15/2009CN201272986Y Electric desilting machine
07/09/2009US20090172977 Apparatus and method for cutting a pathway
07/08/2009EP2076632A2 Pipeline padding machine with a debris-resistant escalator assembly
07/08/2009EP2076629A1 Submergible densification cell, sediment separator and sediment densification method
07/08/2009CN201268857Y Soil shovel
07/08/2009CN201268856Y Submersible ditch excavator
06/2009
06/30/2009CA2514566C Cutter and method for working the soil
06/25/2009WO2009077786A1 Improvements in or relating to fluid jets
06/25/2009US20090158624 Trencher control system
06/25/2009CA2744273A1 Improvements in or relating to fluid jets
06/24/2009CN201261895Y Multifunctional trench digging apparatus
06/24/2009CN101466901A Lock for securing wear parts to earth-working equipment
06/23/2009US7549241 Hydraulic control device for loader
06/23/2009US7549240 Excavation device
06/16/2009US7546883 Vibratory plow
06/11/2009WO2009072855A2 Excavator
06/03/2009EP2064394A2 Apparatus and method for widening an existing roadway
05/2009
05/28/2009WO2009066359A1 Method of excavating for enlarging bottom part and horizontal multi-spindle excavator used therefor
05/28/2009US20090136300 Plow Blade with Water Passageway and Method of Constructing Same
05/27/2009CN201246106Y Drill bucket with forced soil unloading function
05/27/2009CN201245856Y Pile hole digging machine
05/27/2009CN201245855Y Hydraulic dibhole digging machine
05/27/2009CN101440626A Swing type deviation rectifying apparatus
05/27/2009CN101440625A Steering propulsion unit for suction head of suction dredger
05/20/2009CN201241350Y Self-propelled four-wheel drive cable direct-buried trench digger
05/20/2009CN201241349Y Mining plunger type dirt clearing apparatus
05/14/2009WO2007064693A3 Apparatus protecting vehicle with accessory when scraping edge of accessory strikes fixed object
05/13/2009EP2057319A1 An improved ripper boot including a high tensile tip
05/13/2009CN101429773A Sand disturbance system and method
05/12/2009US7530185 Electronic parallel lift and return to carry on a backhoe loader
05/12/2009CA2536125C Off-track railroad track undercutter apparatus
05/12/2009CA2513826C Device and method for making a trench wall in the soil
05/07/2009US20090116942 Material handling apparatus and method for operating
05/06/2009EP2054555A2 Excavator 3d integrated laser and radio positioning guidance system
05/06/2009CN201232214Y Snow removing and soil loosing machine
05/06/2009CN201232211Y Mud suction concentration control apparatus for reservoir self-suction type sediment ejection pipe suction head
05/06/2009CN201231231Y Underwater cleaner with pollution discharging function
05/06/2009CN101424082A Technique for building quick-speed consolidated platform near water by using clay under lake
04/2009
04/29/2009EP1824576A4 Apparatus for separating particulates from a fluid stream
04/29/2009CN201228552Y Shaft excavation machine
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