| Patents for E02F 5 - Dredgers or soil-shifting machines for special purposes (6,683) |
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| 05/30/2012 | CN202248001U Control device for desilting and excavation device |
| 05/30/2012 | CN202248000U Inland river high-efficiency environment-friendly dredging boat |
| 05/30/2012 | CN202247999U Horizontally rotatable grab bucket |
| 05/30/2012 | CN202247998U Underground continuous wall joint cleaner |
| 05/30/2012 | CN202247997U Three-chain saw grooving machine |
| 05/30/2012 | CN202247996U Agricultural channel-digging equipment |
| 05/30/2012 | CN202247995U Power-positioning jet-flow jetting type trench excavator and intelligent trenching device thereof |
| 05/30/2012 | CN202247994U Crankshaft drill needle for channel making machine |
| 05/30/2012 | CN102482864A Hydraulic ripper for excavators |
| 05/30/2012 | CN102482863A Laying machine |
| 05/30/2012 | CN102477753A 绞吸挖泥船绞刀刀齿 Cutter suction dredger cutter teeth |
| 05/30/2012 | CN102477746A 一种在长深孔桩基施工中使用的出渣器 Slag is used in a long deep pile construction |
| 05/23/2012 | EP2455550A1 Hydraulic ripper for excavators |
| 05/23/2012 | EP2454418A2 Shear resistant excavation component |
| 05/23/2012 | CN202227974U Rotary pit drilling device |
| 05/23/2012 | CN202227377U Small breaking hammer with pressurizing device |
| 05/23/2012 | CN202227376U Urban river channel dredging boat |
| 05/23/2012 | CN102472035A 一次装填多个沙袋的装置和方法 A plurality of sandbag filling apparatus and method of |
| 05/23/2012 | CN102465513A 一种粉碎型格栅清污机 One kind of grinding-type grill cleaning machine |
| 05/23/2012 | CN102102372B Four-saw knife cross pile pore-forming machine |
| 05/23/2012 | CN101858092B Diaphram wall grab bucket and grab bucket device thereof |
| 05/23/2012 | CN101302767B Sand stirring machine |
| 05/21/2012 | DE202011050148U1 Kabelpflug mit Raupenfahrwerk Cable plow on tracks |
| 05/18/2012 | WO2012064275A1 Machine for sawing trenches and placing ducts/cables |
| 05/18/2012 | WO2012064274A1 A saw blade, a sawing machine and a system thereof |
| 05/18/2012 | WO2012064273A1 Control method and system for a sawing machine |
| 05/18/2012 | WO2012064271A1 Method for placing at least one duct/communication cable below a road surface in an area |
| 05/18/2012 | WO2012062281A1 Use of a wear-resistant steel component especially as the plow of a construction machine |
| 05/18/2012 | WO2012030994A3 Trenching machine with rear guide |
| 05/18/2012 | CA2758705A1 Post hole digger with integrated safety features |
| 05/17/2012 | US20120119562 Mine safety system |
| 05/17/2012 | US20120118593 Vibratory ripper having pressure sensor for selectively controlling activation of vibration mechanism |
| 05/16/2012 | EP2452023A2 Device&method for filling multiple sandbags at a time |
| 05/16/2012 | EP2452021A1 A dredge vessel system |
| 05/16/2012 | CN202220353U Hydraulic clamp |
| 05/16/2012 | CN202220352U System for cleaning lake sludge |
| 05/16/2012 | CN202220351U Spiral cutting, soil borrowing and ditching mechanism |
| 05/16/2012 | CN102459767A Group and method for laying and burying pipelines at the seafloor |
| 05/16/2012 | CN102454178A Dredging machine under wharf and dredging method thereof |
| 05/15/2012 | US8176662 Digging system and method |
| 05/10/2012 | WO2011152992A3 Hoist and drag system for mining |
| 05/10/2012 | DE102011051554A1 Grabenfräse Grave milling machine |
| 05/09/2012 | CN102444153A Intelligent inspection well dredging vehicle |
| 05/09/2012 | CN102444152A Method for collecting shallow lake sludge |
| 05/09/2012 | CN101974921B Groove expander |
| 05/09/2012 | CN101725137B Amphibious type multi-functional floater salvaging device |
| 05/08/2012 | CA2515960C Subsoiling excavator bucket |
| 05/03/2012 | WO2012058489A1 Excavator dump range extender |
| 05/03/2012 | WO2012020316A3 Mechanism and arrangement for static and dynamic adjustment of submersible pumps associated with a floating platform |
| 05/02/2012 | CN202208935U Slotting and wall-forming drill bit for diaphragm wall |
| 05/02/2012 | CN102439232A Sludge extraction apparatus and method |
| 05/02/2012 | CN102433907A Inspection well positioning method and device for dredging robot laser scanning |
| 05/02/2012 | CN102433906A Contruction method for dredging with high concentration without using yard and highly dewatering and utilizing sludge |
| 05/02/2012 | CN102433905A Triplex cutter grooving machine |
| 05/02/2012 | CN102433885A Novel hammer catch digging piling machine |
| 05/02/2012 | CN102433874A Construction method for strengthening small-area deep foundation pit hole pile subgrade |
| 05/01/2012 | US8170715 Methods and devices for automated work in pipes based on impedance control |
| 04/25/2012 | CN202202351U 轮式装载机破碎锤 Wheel loaders Hammer |
| 04/25/2012 | CN202202350U Dirt removing device for removing residual bait and metabolites from marine pasture biological domestication pool |
| 04/25/2012 | CN202202349U 一种坎外沟清淤机 One kind of outer ditch dredging machine Hom |
| 04/25/2012 | CN102425203A 可控式水动力自动清淤机及其控制系统 Controllable hydrodynamic automatic dredging machine and its control system |
| 04/25/2012 | CN102425202A 水底垃圾清理装置 Underwater garbage cleaning device |
| 04/25/2012 | CN102425201A Anti-back-tipping moment limiter for arm support |
| 04/25/2012 | CN102425200A 防渗止水墙成槽机及其施工方法 Impermeable sealing wall into the slot machine and its construction method |
| 04/25/2012 | CN102425199A Tri-cone-head pressing grooving plate and grouting slot construction method |
| 04/18/2012 | EP2440712A1 Improvements in and relating to dredging apparatus |
| 04/18/2012 | CN202194171U 一种平地机及其松土器预紧装置 One kind grader and ripper pretensioners |
| 04/18/2012 | CN202194170U 扰沙船 Scrambling Sand |
| 04/18/2012 | CN202193183U 海龟式泵送船 Turtle style pumping boat |
| 04/18/2012 | CN102418361A 一种适用于沙质土河床的吸泥船 One for sandy riverbed soil suction dredger |
| 04/18/2012 | CN102418360A Dead-weight positioning pulley catch lever frame and erector arm |
| 04/18/2012 | CN102418359A Three-chain saw slotting machine |
| 04/18/2012 | CN102418358A 动力定位射流喷冲式挖沟机 Dynamic Positioning jet jetting Trencher |
| 04/18/2012 | CN102121255B 一种车载可移动下水道清淤装置 A vehicle-mounted mobile devices sewer dredging |
| 04/18/2012 | CA2755478A1 Vibratory ripper |
| 04/12/2012 | US20120085003 in and relating to dredging apparatus |
| 04/11/2012 | CN202187379U 高频破碎锤锤头 High Frequency hammer hammer |
| 04/11/2012 | CN202187378U 高频破碎锤刀排 High frequency hammer knife row |
| 04/11/2012 | CN202187377U 一种密封斗体内外压力平衡装置 A sealed bucket in vivo pressure balancing device |
| 04/11/2012 | CN202187376U 一种用于模型试验的精确自动开挖装置 Accurate automatic excavation device for model test |
| 04/11/2012 | CN202187375U 翻转式挖沟装置 Flip-trenching equipment |
| 04/11/2012 | CN202187374U 振动锯槽机 Vibration saw slot machines |
| 04/11/2012 | CN102409711A Urban small river dredging ship |
| 04/11/2012 | CN102409710A Pollutant discharging and dredging device for excavator |
| 04/11/2012 | CN102409708A 一种带过载保护装置的周边传动刮吸泥机 A drive around the scraper dredger with overload protection device |
| 04/05/2012 | WO2012044127A2 Punching device having head part |
| 04/05/2012 | WO2011132914A3 Vibration nipper for heavy machinery |
| 04/05/2012 | WO2011026632A3 Method for operating a propping device, and propping device |
| 04/05/2012 | CA2811779A1 Drilling apparatus having head |
| 04/04/2012 | EP2435637A1 A gripping member for a work tool |
| 04/04/2012 | CN202181567U 升降式挖沟装置 Lift trenching equipment |
| 04/04/2012 | CN102400438A 破碎铣刨滚筒 Broken milling drum |
| 04/04/2012 | CN101914931B 挖掘机岩石分裂器 Excavator rock splitter |
| 03/28/2012 | EP2434061A1 Dredging device and method for dredging without damaging structures present in the bottom to be dredged |
| 03/28/2012 | CN202177612U 污水泵站污泥清理工程车的气体检测装置 Sewage sludge pump station clean-up truck gas detection device |
| 03/28/2012 | CN202175980U 挖掘机破碎锤的振动能吸收装置 Excavator hammer vibration energy absorbing device |
| 03/28/2012 | CN202175979U 一种环保疏浚装置 An environmentally friendly dredging equipment |
| 03/28/2012 | CN202175978U 车载式清污机 Truck-mounted cleaning machine |
| 03/28/2012 | CN202175977U 耙吸船的拖钢丝扫浅施工装置 Trailing suction boat trailer wire sweep light construction equipment |
| 03/28/2012 | CN202175976U 用于清洗减压井或测压管的清洗管 For cleaning vacuum cleaning tube wells or manometry tube |