| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
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| 07/24/2013 | EP2616382A1 A machine, controller, and control method |
| 07/24/2013 | CN203080577U Conveying vehicle for cleaning and excavating of coal slime |
| 07/24/2013 | CN203080576U Submerged-floating type pneumatic dredge pump |
| 07/24/2013 | CN203080574U Dredging frequency conversion control unit and dredging control system including dredging frequency conversion control unit and dredger including dredging frequency conversion control unit |
| 07/24/2013 | CN203080573U Cutter-suction type coal ash dredger |
| 07/24/2013 | CN203080572U Dredging draw harrow with high pressure water spray head |
| 07/24/2013 | CN203080571U Scraper knife lifting hydraulic cylinder supporting device and soil shifter with scraper knife lifting hydraulic cylinder supporting device |
| 07/24/2013 | CN203080570U Steering brake and bulldozer |
| 07/24/2013 | CN203080569U Energy-saving grab-bucket-type dredger |
| 07/24/2013 | CN203080568U Discrete limited variable speed input multi-freedom degree mechanism type excavator |
| 07/24/2013 | CN203080567U Pilot control hydraulic locking system of loader |
| 07/24/2013 | CN203080566U Loader |
| 07/24/2013 | CN203080565U Small arm oil cylinder protective device |
| 07/24/2013 | CN203080564U Multifunctional side-dump type guiding control bucket for wheel loader |
| 07/24/2013 | CN203080563U Multifunctional tractor |
| 07/24/2013 | CN203080562U Rolling rake material loader |
| 07/24/2013 | CN203080508U Dynamic compaction machine |
| 07/24/2013 | CN203079815U Dredged mud solidifying device |
| 07/24/2013 | CN103221617A A method for controlling a hydraulic system of a working machine |
| 07/24/2013 | CN103216500A Gravitational potential energy recycling device of elastic-rubber-belt-type excavator bucket rod |
| 07/24/2013 | CN103215980A Air-lift slurry discharge subsea pipeline on-line trenching equipment |
| 07/24/2013 | CN103215979A Pressure spring type excavator swing arm gravity potential energy regeneration device |
| 07/24/2013 | CN103215978A Tension spring energy accumulator type loader swing arm potential energy recycling and regenerating device |
| 07/24/2013 | CN103215977A Novel multifunctional excavator |
| 07/24/2013 | CN103215976A All-digital full-hydraulic intelligent excavator device and control method |
| 07/24/2013 | CN103215931A Dredging and pollution discharge method of lake wetland based on river in lake assembled through components |
| 07/24/2013 | CN102444150B Spatial excavator with dual-mobility movable arm, dual-mobility bucket rod and single-mobility bucket |
| 07/24/2013 | CN102296658B Agricultural four-drive air-brake rear-steering weed-grasping machine with integral stand |
| 07/23/2013 | US8490712 Push frame with tapered cross-beam |
| 07/23/2013 | US8490304 Dual cylinder dual pick-up coupler |
| 07/23/2013 | CA2573463C Magnetic wear device |
| 07/23/2013 | CA2538184C Device for attaching a loader to a vehicle |
| 07/18/2013 | WO2013104161A1 System and method for determining working posture of excavator, and excavator |
| 07/18/2013 | WO2013104160A1 System and method for improving dynamic response characteristics of excavator, and excavator |
| 07/18/2013 | US20130184927 System and method for vibration monitoring of a mining machine |
| 07/18/2013 | US20130180744 Operator Interface for an Implement Control System |
| 07/17/2013 | CN203066156U Hydraulic system of crawler-type material-handling machine |
| 07/17/2013 | CN203066147U Urban water conservancy project desilting device |
| 07/17/2013 | CN203066142U Deep-trench and double-arm excavator |
| 07/17/2013 | CN203066141U Blader hood lifting hydraulic control system |
| 07/17/2013 | CN203066140U Land scraper and shovel blade lifting control system thereof |
| 07/17/2013 | CN203066139U Bulldozer hydraulic system integrated working fuel tank |
| 07/17/2013 | CN203066138U Bulldozer engine support |
| 07/17/2013 | CN203066137U Hinged ball washer device for grader traction frame |
| 07/17/2013 | CN203066136U Front working device of bulldozer |
| 07/17/2013 | CN203066135U Intelligent electrohydraulic control system of loader |
| 07/17/2013 | CN203066134U Synchronous dredging device of dredge boat |
| 07/17/2013 | CN203066133U Protective device for working lamp of excavator movable arm |
| 07/17/2013 | CN203066132U Electric walking type excavator |
| 07/17/2013 | CN203066131U Excavator with hoisting function |
| 07/17/2013 | CN203066130U Extensible arm excavator |
| 07/17/2013 | CN203066129U Multipurpose shovel used for outdoor exploration |
| 07/17/2013 | CN103210152A Control systems and methods for heavy equipment |
| 07/17/2013 | CN103205991A Channel cleanout device and method thereof |
| 07/17/2013 | CN103205989A Manual sugarcane loading machine |
| 07/17/2013 | CN102444153B Intelligent inspection well dredging vehicle |
| 07/17/2013 | CN102373722B Spatial hydraulic loader with two-motion-range movable arm and two-motion-range scraper pan |
| 07/17/2013 | CN102359137B Land scraper and loosening device thereof |
| 07/17/2013 | CN102296649B Multi-connecting-rod loading mechanism |
| 07/17/2013 | CN102047075B A method for position-calibration of a digging assembly for electric mining shovels |
| 07/17/2013 | CN101522996B Control and method of control for an earthmoving system |
| 07/16/2013 | US8484866 Dig under apparatus and process |
| 07/11/2013 | WO2013103763A1 Log loader |
| 07/11/2013 | WO2013102343A1 Forward rotation eight-link operating device at loading end of excavator-loader |
| 07/11/2013 | WO2013046167A3 Bucket with screening and crushing means |
| 07/11/2013 | US20130177382 Gripping device for articulated work machine |
| 07/11/2013 | US20130177377 Coupling arrangement |
| 07/11/2013 | US20130177376 Coupling arrangement |
| 07/11/2013 | US20130175064 Motor grader |
| 07/10/2013 | EP2612971A2 Gripping device for articulated work machine |
| 07/10/2013 | EP2611971A1 Method and apparatus for crushing mineral material |
| 07/10/2013 | CN203049655U Mud / sand suction ship |
| 07/10/2013 | CN203049651U Wear-resistant suction port inner sleeve |
| 07/10/2013 | CN203049650U Sludge flushing and removing device |
| 07/10/2013 | CN203049649U Multiple floating function device of land leveller shovel plate |
| 07/10/2013 | CN203049648U Single-pump and double-motor close-type hydraulic system for land leveler travelling mechanism |
| 07/10/2013 | CN203049647U Soil shifter |
| 07/10/2013 | CN203049646U Soil shifter |
| 07/10/2013 | CN203049645U Hydraulic loop capable of accurately controlling lifting height of movable arm of excavator |
| 07/10/2013 | CN203049644U Novel digging bucket connecting device |
| 07/10/2013 | CN203049643U Multi-degree-of-freedom controllable mechanism type sugarcane loader driven by discrete speed changing and manpower in combined mode |
| 07/10/2013 | CN203049642U Loader-digger digging swing arm hinged lubricating device |
| 07/10/2013 | CN203049641U Anti-dust device of loader-digger connecting hinge pin |
| 07/10/2013 | CN203049640U Loading machine gripper capable of being rotated |
| 07/10/2013 | CN203049639U Loader-digger operating mechanism with lubricating device |
| 07/10/2013 | CN203049638U Scraper pan type rock loading machine |
| 07/10/2013 | CN203049637U Bucket type dredging machine |
| 07/10/2013 | CN203049636U Concrete pole foundation excavation tool |
| 07/10/2013 | CN203040107U Anti-breaking shovel |
| 07/10/2013 | CN103195127A Hydraulic pipeline structure and excavator |
| 07/10/2013 | CN103195125A Skip loader |
| 07/10/2013 | CN103195119A Small driving rake head |
| 07/10/2013 | CN103195118A Brace rod sliding groove type hydraulic flat digging grab bucket |
| 07/10/2013 | CN103195117A Working device of sliding and steering loading machine |
| 07/10/2013 | CN103195116A Boom assembly |
| 07/10/2013 | CN103195115A Simple manpower-driven sugarcane loader |
| 07/10/2013 | CN102409707B Hanger limiting mechanism for locking device of digging end movable arm of loader digger |
| 07/10/2013 | CN101392773B Double check valve having floating function |
| 07/09/2013 | US8479838 Dozing blade assembly, cutter and dozing method |
| 07/06/2013 | CA2798464A1 Plow blade assembly |