Patents
Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683)
05/2011
05/04/2011CN201817835U Inclined plane flattening equipment for concrete construction
05/04/2011CN201813657U Disc coulter ridger
05/04/2011CN102041823A Pipe laying machine
05/04/2011CN102041822A Pipelaying machine device
05/04/2011CN101457536B Siphon multi-point sand pumping device and using method thereof
05/04/2011CN101440625B Steering propulsion unit for suction head of suction dredger
04/2011
04/28/2011WO2011011732A3 Trenching system
04/28/2011WO2011008694A3 Shear resistant excavation component
04/27/2011EP2313563A1 A gripping organ for load-moving vehicles
04/27/2011CN201810346U Real-time automatic dredging device for coal-mine underground water sump
04/27/2011CN201809800U Flat screen plate grille cleaning machine
04/27/2011CN201809797U Grab bucket of movable grid trash cleaning machine
04/27/2011CN102031798A Dredging extrusion grab bucket
04/26/2011US7930843 Track trencher propulsion system with component feedback
04/21/2011US20110088291 Dig under apparatus and process
04/20/2011CN201801900U Sludge extraction machine
04/20/2011CN201801897U Marine vertical hydraulic drilling type sand pumping device
04/20/2011CN201801892U Multifunctional special engineering machine for disaster rescue or person rescue
04/20/2011CN102021920A Continuous wall forming machine of underground cement soil impermeable wall
04/20/2011CN101550707B An engineering machinery and its reel pipe device
04/20/2011CN101514560B Method for controlling fast discharge of rotary drill rig
04/14/2011WO2011044590A2 Dig under apparatus and process
04/14/2011WO2011041844A1 Trench cutting machine
04/14/2011US20110083346 Undercutter Device
04/14/2011CA2777268A1 Dig under apparatus and process
04/13/2011CN201794103U Plough type drag head
04/13/2011CN201794102U Self-propelled U-channel earth excavation and brick lining combined machine
04/07/2011WO2011041787A2 Excavation machine with auto reverse
04/07/2011WO2011005627A3 Device & method for filling multiple sandbags at a time
04/06/2011CN201785791U Spray excavator
04/06/2011CN201785790U Mobile hydraulic trash remover
04/06/2011CN201785789U Synchronous compensation type oil pipe winding mechanism of movable hydraulic sewage remover
04/06/2011CN201785788U Hydraulic quick connector for excavator
03/2011
03/31/2011US20110072692 Rotary undercutter for rail line maintenance
03/30/2011CN201778351U Triphibian diker for earthwork of beach
03/24/2011US20110070030 Laying and Protecting Cable into Existing Covering Surfaces
03/23/2011CN201771010U Comprehensive treatment ship of river
03/23/2011CN201771009U Construction site tubular pile dredger
03/23/2011CN101560781B A dredging sucker
03/23/2011CN101560780B Deepwater underwater excavation device
03/17/2011WO2011030124A1 Method of laying a pipeline in a seabed
03/17/2011WO2010128808A3 Road surface cutting apparatus
03/17/2011DE202010016386U1 Vorrichtung zum Verlegen von Kabelkanalkästen entlang einem Gleis Apparatus for laying cable channel boxes along a track
03/16/2011CN201762747U Cable pipeline imbedding machine for excavator
03/16/2011CN201762746U Earth wall slot excavating device
03/16/2011CN201762745U Excavator type multifunctional machine
03/16/2011CN201762743U Drag head for trailing suction hopper dredger
03/16/2011CN201762693U Combined type steep slope traction slope-cutting equipment
03/16/2011CN201761322U Multifunctional working machine of amphibious type
03/16/2011CN101560782B Washing, sucking, cutting and spading integrating dredging device
03/10/2011WO2011029068A2 Method and apparatus for controlling the depth of cut of a trackhoe bucket
03/10/2011US20110056099 Method and apparatus for controlling the depth of cut of a trackhoe bucket
03/09/2011EP2292960A1 Drilling device for laying pipes in the ground
03/09/2011CN201756713U Ridge buster used for hydraulic excavator
03/09/2011CN201756712U Breaking hammer casing with reinforcing structure
03/09/2011CN201756711U Limit device for lifting height of continuous wall hydraulic grab bucket
03/09/2011CN201756710U Sandstone excavator
03/09/2011CN201756709U Telescopic shrink-ring type pit inner excavator
03/09/2011CN201756708U Comprehensive bridge for trailing suction dredge
03/03/2011US20110048807 Excavator
03/02/2011CN201753455U Shank of bulldozer ripper
03/02/2011CN101982619A Continuous cable and pipeline trencher
02/2011
02/23/2011CN101979784A Spiral centrifugal boring dredger
02/17/2011US20110035969 Trencher with Auto-Plunge and Boom Depth Control
02/16/2011EP2283186A2 Method and system of laying underwater pipelines in the bed of a body of water
02/16/2011CN201746867U Soil sampler
02/16/2011CN101974923A Shallow point sweeping device and method for dredge boat
02/16/2011CN101974922A Hand-shaken ground perforator
02/16/2011CN101974921A Groove expander
02/16/2011CN101974920A Special mud guide groove
02/16/2011CN101555697B Small-sized chain trencher
02/15/2011CA2484710C Trencher
02/09/2011EP2281091A2 Improvements in and relating to underwater excavation apparatus
02/09/2011CN201738362U Hydraulic grab bucket of shearable underground anchor rod slotting machine
02/09/2011CN201738361U Rail type electric-drive hydraulic feeder of finery
02/09/2011CN201738358U Tailing warehouse sand fetching device
02/09/2011CN201738306U Knife rest for bottom expanding equipment
02/02/2011CN201730128U Small type movable stone crusher
02/02/2011CN201730127U Bent arm rotation moving type stone crusher
02/02/2011CN201730092U Dry soil taking rectangular filling pile forming device
02/02/2011CN101962961A Method for determining ecological dredging range of water body pollution bottom sediment
02/02/2011CN101962959A Grabbing device for movable grating trash cleaning machine
01/2011
01/27/2011WO2011011732A2 Trenching system
01/27/2011US20110016754 Trenching System
01/26/2011CN201722724U Rock splitter of digging machine
01/26/2011CN201722723U Self-stirring silt cleaner and silt cleaning system thereof
01/26/2011CN201722713U Grass grasping machine
01/26/2011CN201722686U Special tool rest for bored concrete pile bellout
01/26/2011CN101956411A Automatic mud remover
01/26/2011CN101660324B Gripping device of cleaning machine of city inspection shaft
01/23/2011CA2672625A1 Mountain moving engineering and gigantic cities technologies
01/20/2011WO2011008694A2 Shear resistant excavation component
01/20/2011WO2011008447A1 Deep unersea mining system and mineral transport system
01/20/2011WO2011007030A1 Hydraulic ripper for excavators
01/20/2011DE202010008968U1 Grabenfräse Grave milling machine
01/20/2011CA2767999A1 Hydraulic hammer ripper for mechanical diggers
01/19/2011CN201713849U Hydraulic resonance crushing hammer
01/19/2011CN201713848U Left and right operation platform layout of cutter suction dredger
01/19/2011CN101949159A Watercourse comprehensive treatment ship
01/19/2011CN101949158A Hydraulic sump cleaning vehicle
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