| Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683) |
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| 07/18/2012 | CN102587437A Water spraying type device for removing submerged plants |
| 07/18/2012 | CN102587436A Expansion and excavation device imitated from bone space of flying snake |
| 07/18/2012 | CN102587435A Open hydraulic system for horizontal chain-blade type integral-cutting wall forming equipment |
| 07/18/2012 | CN102587434A Modified pneumatic slotting drill |
| 07/18/2012 | CN102587433A Reciprocating grooving machine |
| 07/18/2012 | CN102587432A Jet type sand dredger |
| 07/18/2012 | CN101929174B Semicircular saw groove making machine |
| 07/18/2012 | CN101811553B Preparation and on-board installation process of bridge of cutter suction dredger |
| 07/11/2012 | CN202324044U 一种液压破碎锤钎杆结构 A hydraulic hammer drill rod structure |
| 07/11/2012 | CN202324043U 液压破碎锤增加打击力的辅助装置 Increased hydraulic hammer striking force auxiliary device |
| 07/11/2012 | CN202324042U 一种矿用井下水沟液压挖煤机 One kind of underground mine dug ditches hydraulic machine |
| 07/11/2012 | CN202324041U 一种抓斗式清污机 Grab one kind of cleaning machine |
| 07/11/2012 | CN202324040U 河床清淤排污设备 River dredging Sewerage |
| 07/11/2012 | CN202324039U 一种改进的风动开槽钻头 An improved pneumatic drill slotted |
| 07/11/2012 | CN202324034U 一种水库排泥沙装置 One kind of reservoir sediment discharge device |
| 07/11/2012 | CN202324026U Suspending structure for building construction machine, grab bucket and building construction machine |
| 07/11/2012 | CN202324018U 户外多功能救生锄具 Outdoor Multi lifesaving hoe |
| 07/11/2012 | CN202323934U 用于现浇三角形复合地基桩的成孔器 Hole is used to cast a triangular pile composite foundation |
| 07/11/2012 | CN102561439A Anti-blocking device for dirt sucking head |
| 07/11/2012 | CN102561438A Control system and method for tracked walking of chain-knife type diaphragm wall equipment |
| 07/11/2012 | CN102561437A Chain excavator |
| 07/11/2012 | CN102561436A Multi-rig grooving machine |
| 07/11/2012 | CN102561435A Grooving machine with three saw rods |
| 07/11/2012 | CN102561434A Hydraulic (electric) ditching machine |
| 07/11/2012 | CN102561431A Submersible dredging vehicle |
| 07/11/2012 | CN102561361A Ultra-deep T-shaped trench-wall pile in soft-toped hard-bottomed soil layer and trench forming method |
| 07/10/2012 | CA2464884C Post hole digger |
| 07/05/2012 | WO2012000583A3 Ground collector for a heat pump and milling cutter for milling a slit in the ground |
| 07/05/2012 | US20120167420 Polygon-shaped carbide tool pick |
| 07/05/2012 | DE102007010101B4 Verfahren zur Herstellung eines Versorgungsleitungskanals sowie Zug bestehend aus Fahrzeugen zur Durchführung des Verfahrens A process for producing a supply duct and train consisting of vehicles for implementing the method |
| 07/04/2012 | CN202299474U 切割机导引尺 Foot cutter guide |
| 07/04/2012 | CN202298708U 用于挖掘机上的钢刀 Excavator for steel knife on |
| 07/04/2012 | CN202298707U 一种新型液压破碎器与挖机连接装置 A new hydraulic breaker with a digging machine connecting device |
| 07/04/2012 | CN202298706U 一种耙吸挖泥船的扫浅装置 One kind of trailing suction hopper dredger sweep shallow device |
| 07/04/2012 | CN202298705U 多体非连续截割煤岩设备 Multi-body non-continuous cutting coal or rock equipment |
| 07/04/2012 | CN202298704U 防渗止水墙成槽机 Impermeable sealing wall into slot machines |
| 07/04/2012 | CN202298703U 多功能河道疏浚船 Multifunction river dredging boat |
| 07/04/2012 | CN202298695U Bulldozer |
| 07/04/2012 | CN202298678U 推车式积水泥砂清除器 Cart-water silt remover |
| 07/04/2012 | CN202298587U 车载式硬臂清污机 Truck-mounted hard arm cleaning machine |
| 07/04/2012 | CN102535881A Movable submerged type house structure |
| 07/04/2012 | CN102535563A Energy saving device of grab-bucket excavator for ship |
| 07/04/2012 | CN102535562A Rectangular mixing pile power head |
| 07/04/2012 | CN102535561A Polygon-shaped carbide tool pick |
| 07/04/2012 | CN102535560A Pulley yoke mechanism and diaphragm wall grab bucket |
| 07/04/2012 | CN102535559A Chain cutter type mixing pile wall forming equipment |
| 07/04/2012 | CN102535558A Underwater silt suction cabin and application thereof |
| 07/04/2012 | CN102523791A Improved rear-tractor trencher |
| 07/04/2012 | CN102191782B Special tool for cleaning sludge of smelting waste water comprehensive pool |
| 07/04/2012 | CN102182178B Solid and hollow integrated pile, pile forming device and pile forming method |
| 07/04/2012 | CN102031798B Dredging extrusion grab bucket |
| 07/04/2012 | CN101806074B Triangular-saw groove forming machine |
| 07/04/2012 | CN101709586B Double-cylinder hydraulic grooving machine |
| 07/04/2012 | CN101705702B Double-saw slot sawing machine |
| 07/03/2012 | CA2757795A1 Polygon-shaped carbide tool pick |
| 07/02/2012 | DE202012003682U1 Anbaugerät für eine Arbeitsmaschine, insbesondere für einen Bagger und entsprechende Arbeitsmaschine mit einem solchen Anbaugerät zur Boden- oder Erdreichbearbeitung Attachment for a machine, especially for an excavator and appropriate working machine with such an attachment to the floor or ground processing |
| 06/27/2012 | CN102518161A Direct elevation control dredging method for dredge ship |
| 06/27/2012 | CN102518160A Elevation control method and system based on global position system (GPS) and laser technology |
| 06/27/2012 | CN102518131A All-casing barrier-free geotome |
| 06/27/2012 | CN102121256B Suction sludge dewatering sand dredger |
| 06/27/2012 | CN101736768B Pull rod aqueduct-making machine |
| 06/27/2012 | CN101736766B Hydraulic grooving saw |
| 06/27/2012 | CN101705703B Double-shaft oblique slot forming machine |
| 06/27/2012 | CN101230583B Soil stripping device |
| 06/26/2012 | US8205359 Sidewalk grader apparatus and method |
| 06/20/2012 | CN202280103U Control device and control system of ridger |
| 06/20/2012 | CN202280095U 液压破碎器精密铸造后缸体 Hydraulic breaker after casting cylinder |
| 06/20/2012 | CN202280094U Rectifiable trenching machine |
| 06/20/2012 | CN102505724A Hole guiding device and hole guiding method for bad ground |
| 06/20/2012 | CN102505723A High-efficiency pollution-free spraying-sucking type underwater sediment graded collecting device |
| 06/20/2012 | CN102505722A Method for centering of shafting of reamer of dredger |
| 06/20/2012 | CN102505721A Hydraulic grab bucket device of underground diaphragm wall |
| 06/20/2012 | CN102505720A Pulse energy-storage type waterpower dredging system |
| 06/20/2012 | CN102121257B Telescopic-ferrule construction carrier and construction method thereof |
| 06/20/2012 | CN101942847B Dredging conveyer |
| 06/13/2012 | CN202273311U 一种道路防臭排水槽设施 A road drainage channels facilities deodorant |
| 06/13/2012 | CN202273257U 门式液压抓斗清污机 Gantry hydraulic grab cleaning machine |
| 06/13/2012 | CN202273167U 破碎滚筒及自行式破碎采矿机 Broken Drum and self-crusher mining machine |
| 06/13/2012 | CN102498248A Shear resistant excavation component |
| 06/13/2012 | CN102493515A Structure of hydraulic breaker drill rod, and method for embedding alloy drill bit of hydraulic breaker drill rod |
| 06/13/2012 | CN102493514A Self-stirring type dredging device for river channels |
| 06/13/2012 | CN102493513A Underwater submerged sewage sucking machine |
| 06/13/2012 | CN102493512A Floating underwater mud cleaning machine |
| 06/13/2012 | CN102493509A Hanging structure of building work machine, grab bucket and building work machine |
| 06/12/2012 | CA2636849C Foundation construction device for producing trenches in the soil |
| 06/07/2012 | US20120137547 Device for creating a trench in a ground surface |
| 06/06/2012 | DE102010062345A1 Earth-moving plant i.e. bucket excavator, for e.g. loosening soil, on short section, has operating unit attached to boom by mounting device such that device is fitted by manual operation and another mounting device is automatically emptied |
| 06/06/2012 | CN202266441U 转筒式涡旋泵、取泥沙装置、泥沙疏浚船 Tumble scroll pump, take sediment means sediment dredging boat |
| 06/06/2012 | CN202265850U 城镇水利工程清淤装置 Hydraulic dredging apparatus town |
| 06/06/2012 | CA2757601A1 Device for creating a trench in a ground surface |
| 05/31/2012 | WO2012044127A3 Punching device having head part |
| 05/30/2012 | EP2456925A2 Trenching system |
| 05/30/2012 | EP2331754B1 Method and system for laying underground a continous elongated member in a bed of a body of water. |
| 05/30/2012 | CN202248008U Lubricating structure for front cylinder of breaking hammer |
| 05/30/2012 | CN202248007U Connection structure of rear cylinder of breaking hammer |
| 05/30/2012 | CN202248006U Novel hydraulic crushing hammer |
| 05/30/2012 | CN202248005U Cylinder of hydraulic crushing hammer |
| 05/30/2012 | CN202248004U Connecting structure of hydraulic breaking hammer cylinder body |
| 05/30/2012 | CN202248003U Discharging and dredging device for excavator |
| 05/30/2012 | CN202248002U Controllable hydraulic automatic silt remover and control system of controllable hydraulic automatic silt remover |