| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
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| 04/25/2012 | CN102425195A 挖掘机配套抓管机具 Ancillary equipment excavator grab tube |
| 04/25/2012 | CN102425194A Variable adjustment movable arm for wheeled excavator |
| 04/25/2012 | CN102425193A Variable-amplitude walking excavating machine |
| 04/25/2012 | CN101942845B Single movable arm forward six-bar linkage power quick-change operating device for loading machine |
| 04/25/2012 | CA2718785A1 Apparatus for gripping and lifting construction castings |
| 04/24/2012 | US8165722 Velocity and concentration adjustable coupling pipe apparatus equipped between lifting pipe and collector |
| 04/24/2012 | US8162586 Parking stand |
| 04/24/2012 | CA2651222C Method and apparatus for raising a snowplow |
| 04/24/2012 | CA2494933C Cutting or crushing implement |
| 04/20/2012 | DE202012101190U1 Saugbagger zur pneumatischen Aufnahme von Sauggut Suction dredger for pneumatic intake of dirt in |
| 04/20/2012 | CA2755743A1 A system for limiting contact between a dipper and a shovel boom |
| 04/19/2012 | WO2012051234A1 An excavation system |
| 04/19/2012 | WO2012050283A1 Tractor installed rotatable arm |
| 04/19/2012 | US20120091242 Dual Moving Jaws For Demolition Equipment |
| 04/19/2012 | DE102006048743B4 Fahrzeug mit einer bugseitig angeordneten Stütz- und Räumanlage Vehicle with a bow side arranged support and sweeping gear |
| 04/19/2012 | CA2814545A1 An excavation system |
| 04/18/2012 | EP2440712A1 Improvements in and relating to dredging apparatus |
| 04/18/2012 | EP2440711A1 Front loader for a tractor |
| 04/18/2012 | CN202195255U 推土机发动机前支撑润滑装置 Former bulldozer engine lubrication system support |
| 04/18/2012 | CN202194923U Movable arm and bucket rod shaft seat connected anti-jag structure |
| 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 | CN202194169U 一种推土机电子操纵总成 One kind of bulldozer electronic steering assembly |
| 04/18/2012 | CN202194168U 一种推耙机h架和推耙机 One kind of push Rakes h rack and push Rakes |
| 04/18/2012 | CN202194167U 一种推土机后牵引装置及推土机 A post-traction device and bulldozer bulldozer |
| 04/18/2012 | CN202194166U Cooling system of tracked vehicle, engine of tracked vehicle and bulldozer |
| 04/18/2012 | CN202194165U 挖掘机臂连接轴与壳体密封润滑及连接轴孔锁紧装置 Excavator arm connecting shaft and the housing and connected to the shaft seal lubrication hole locking device |
| 04/18/2012 | CN202194164U 一种抓草机抓具 One kind of grasping grass machine gripper |
| 04/18/2012 | CN202194163U 一种多连杆装载机构 A multi-link loading mechanism |
| 04/18/2012 | CN202194107U 一种平地机及其除冰刀片 One kind of grader blades and de-icing |
| 04/18/2012 | CN102421970A 作业车辆 The work vehicle |
| 04/18/2012 | CN102421943A 用于通过刮擦铝生产用电解槽的底部来收集槽中存在的电解浴和金属液中的固体残留物的设备 For equipment at the bottom of the cell to the presence of an electrolytic bath collection tank and the liquid metal solid residue of aluminum production by scraping |
| 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 | CN102418358A 动力定位射流喷冲式挖沟机 Dynamic Positioning jet jetting Trencher |
| 04/18/2012 | CN102418357A Simple quick-change device for working device of hydraulic excavator |
| 04/18/2012 | CN102418356A 推土机单手柄工作装置操纵机构 Bulldozer single handle working device control mechanism |
| 04/18/2012 | CN102418355A 一种挖掘机及其斗杆的液压系统 One kind of excavator and hydraulic systems Sticks |
| 04/18/2012 | CN102418354A Pump/motor-based parallel-series hybrid hydraulic excavator driving system |
| 04/18/2012 | CN102418353A 新型装载机的反转八连杆机构 New loader reversed eight Linkage |
| 04/18/2012 | CN102418352A 一种四驱折腰前转向抓草机 A four-wheel steering bow before grasping grass machine |
| 04/18/2012 | CN102418351A 扒掌及其制造方法 Grilled palm and its manufacturing method |
| 04/18/2012 | CN102416857A 推土机及混合动力系统 Bulldozers and hybrid systems |
| 04/18/2012 | CN102415231A 一种可拆装去粘土铁锹 One kind of removable go clay spade |
| 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 | CN101962938B 倒挂式提浆整平机 Inversion formula mention pulp leveler |
| 04/17/2012 | US8160783 Digging control system |
| 04/17/2012 | US8157477 Trenching and drain installation system and method |
| 04/17/2012 | US8156666 Topsoil restoration system and associated methods |
| 04/17/2012 | CA2613914C Excavator demolition attachment with interchangeable jaw assemblies |
| 04/12/2012 | WO2012047552A2 Energy management system for heavy equipment |
| 04/12/2012 | WO2012047546A2 Energy management and storage system |
| 04/12/2012 | WO2012045444A1 Industrial machine with chisel function |
| 04/12/2012 | WO2012045327A1 Cutter heads for ground or walls cutter machines and cutter machines provided with such cutter heads |
| 04/12/2012 | WO2011155713A3 Screen bucket |
| 04/12/2012 | WO2011150153A3 Machine bucket |
| 04/12/2012 | US20120085003 in and relating to dredging apparatus |
| 04/12/2012 | CA2813396A1 Energy management system for heavy equipment |
| 04/12/2012 | CA2813392A1 Energy management and storage system |
| 04/11/2012 | EP2439164A1 Work machine with chisel function |
| 04/11/2012 | EP2438241A1 Hydraulic actuation for a sliding carriage |
| 04/11/2012 | CN202187764U 整体移动式砂矿采选机组 Overall mobile sand ore mining unit |
| 04/11/2012 | CN202187373U 铲、挖两用装载机 Shovel, dig dual loaders |
| 04/11/2012 | CN202187372U 推土机自动工作模式控制系统 Bulldozer automatic operating mode control system |
| 04/11/2012 | CN202187371U 防滑湿地推土机 Wetlands bulldozer skid |
| 04/11/2012 | CN202187370U 一种挖掘机开斗机构钢丝绳连接装置 One kind of excavator bucket mechanism to open the rope connecting device |
| 04/11/2012 | CN202186493U 新型深水挖泥船 The new deepwater dredger |
| 04/11/2012 | CN102409711A Urban small river dredging ship |
| 04/11/2012 | CN102409710A Pollutant discharging and dredging device for excavator |
| 04/11/2012 | CN102409709A 行走式煤泥清淤机 Walking slime dredging machine |
| 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 |
| 04/11/2012 | CN102409707A Hanger limiting mechanism for locking device of digging end movable arm of loader digger |
| 04/11/2012 | CN101492925B 具有动臂优先的液压执行系统 A hydraulic boom priority execution system |
| 04/10/2012 | US8151494 Coupler |
| 04/05/2012 | WO2012043888A1 Grapple bucket device |
| 04/05/2012 | WO2012042885A1 Bucket-wheel device |
| 04/05/2012 | WO2011153117A3 System and method for providing power to a hydraulic system |
| 04/05/2012 | WO2011146581A3 Machine bucket assembly |
| 04/05/2012 | WO2011132914A3 Vibration nipper for heavy machinery |
| 04/05/2012 | US20120082536 Hybrid excavator and method of controlling hybrid excavator |
| 04/05/2012 | US20120080204 Scraper blade on wheels with a pull handle for leveling dirt |
| 04/05/2012 | DE102010046997A1 Mobile working machine i.e. wheel loader, system, has control unit controlling hydraulic cylinder before and/or during reaching locations of ground based on longitudinal and/or lateral inclination so that mass remains in target position |
| 04/05/2012 | DE102010038469A1 Frontladeranordnung Front loading arrangement |
| 04/04/2012 | EP2435638A1 Wear element for earth/rock working operations with enhanced wear resistance |
| 04/04/2012 | EP2435637A1 A gripping member for a work tool |
| 04/04/2012 | EP2435636A1 Wearing element for ground engaging operations with enhanced wear resistance |
| 04/04/2012 | EP2435635A1 Quick-fastening safety device for attaching a tool to the end of the arm of a hydraulic power shovel or the like |
| 04/04/2012 | EP2435634A1 Modular system of multi-purpose rods for drilling soil |
| 04/04/2012 | CN202181566U 挖掘机摊平装置 Excavators smoothing device |
| 04/04/2012 | CN202181565U 一种推土机终传动内齿圈固定装置 One kind of bulldozer final drive internal gear fixtures |
| 04/04/2012 | CN202181564U 一种推土机五面体驾驶室 One kind of bulldozer cab pentahedron |
| 04/04/2012 | CN202181563U 一种新型铲斗斗杆连接结构 A new bucket arm connecting structure |
| 04/04/2012 | CN202181562U 一种新型电动液压挖掘机 A new electric hydraulic excavator |
| 04/04/2012 | CN202181550U 一种多功能通井装置 A multifunctional device through wells |
| 04/04/2012 | CN102400476A Hydraulic circuit controlling preferred movement of moveable arm to lift or rotate |
| 04/04/2012 | CN102400475A 一种铲斗可实现两维转动的空间液压装载机 One kind of bucket rotation can achieve two-dimensional space of hydraulic loaders |
| 04/03/2012 | US8146274 Method and system for optimizing dredging |
| 04/03/2012 | US8146256 Metal demolition shears with indexable, integrated wear plate/piercing tip |
| 03/29/2012 | WO2012039608A1 Method and device for determining a volume of a settled bed in a mixture in a loading space |
| 03/29/2012 | US20120076628 Hydraulic crowd system for electric mining shovel |
| 03/29/2012 | US20120073890 Multi-Worm Circle Drive Gearbox |
| 03/28/2012 | EP2434061A1 Dredging device and method for dredging without damaging structures present in the bottom to be dredged |