| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
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| 03/20/2013 | CN102979120A Trimming equipment and trimming method for roadbed slope |
| 03/20/2013 | CN102979119A Damping mechanism of land leveler working device |
| 03/20/2013 | CN102979118A 施工机械 Construction machinery |
| 03/20/2013 | CN102979117A 施工机械 Construction machinery |
| 03/20/2013 | CN102979116A Excavator bucket |
| 03/20/2013 | CN102979115A Domestic hanging type hydraulic excavator |
| 03/20/2013 | CN102979114A Single-chain excavating lifting translation bulk material series machinery |
| 03/20/2013 | CN102182211B Gear shift control method, control device and land leveling machine with control device |
| 03/20/2013 | CN101749965B Cooling component for machine, machine and assembling method thereof |
| 03/20/2013 | CA2755707A1 Exoskeleton boom structure |
| 03/19/2013 | CA2621691C Soil fracturing tool |
| 03/14/2013 | WO2013036384A1 Apparatus and method for reinforcement of a load bearing structure |
| 03/14/2013 | WO2013034516A1 Device to actuate a fluidconnector contamination cover |
| 03/14/2013 | WO2012122439A3 Tilt cylinder support structure |
| 03/13/2013 | EP2568084A1 Telescopic crane arm |
| 03/13/2013 | CN202793184U Multi-function demining operation equipment |
| 03/13/2013 | CN202787369U Hydraumatic excavating energy saving system |
| 03/13/2013 | CN202787356U Rotary-excavating turtle-step-type silt remover device |
| 03/13/2013 | CN202787354U Self-propelled trailing suction dredger bow thrust device |
| 03/13/2013 | CN202787351U Lifting device for semi-conduction hydraulic continuous wall grab bucket |
| 03/13/2013 | CN202787350U Hydraulic rubber tube guide device for semi-conduction type continuous wall grab bucket |
| 03/13/2013 | CN202787347U Sliding block steel cable locking device |
| 03/13/2013 | CN202787346U Oil-proof device for steel cable |
| 03/13/2013 | CN202787345U Bulldozer shovel tilt limit control system |
| 03/13/2013 | CN202787344U Hydraulic circuit used for controlling compound motion of swing arm of electric shovel |
| 03/13/2013 | CN202787343U Folding type movable arm of wheel type excavator |
| 03/13/2013 | CN202787342U Synchronous transmission gear type loading machine working device |
| 03/13/2013 | CN202787341U Excavating-type loader |
| 03/13/2013 | CN202782517U Wheel installation structure and land leveler with same |
| 03/13/2013 | CN102966134A Dragline bucket, rigging and system |
| 03/13/2013 | CN102966133A Systems, methods, and devices for controlling a movement of a dipper |
| 03/13/2013 | CN102966132A Swing arm descending control loop of hydraulic excavator |
| 03/13/2013 | CN102966131A Method for analyzing energy loss of hydraulic system of loader under different work conditions |
| 03/13/2013 | CN102966130A Scraper bucket with device for scraping materials attached to inside of scraper bucket |
| 03/13/2013 | CN102966026A Multifunctional road roller |
| 03/13/2013 | CN102963227A Dual-purpose excavator railway wheel system lifting and driving device for highways and railways |
| 03/13/2013 | CN101906790B Intelligent crushing and loading roadway repairing machine |
| 03/13/2013 | CN101646885B Motor grader and method of controlling clutch of motor grader |
| 03/13/2013 | CN101243229B Boom uplock arrangement |
| 03/12/2013 | US8393848 Multiple bale pick-up sweep |
| 03/12/2013 | CA2539045C An excavator tool quick attachment device |
| 03/11/2013 | DE202013001658U1 Schnellwechseladapter mit einer Schmutzschutzvorrichtung Quick change adapter with a dirt protector |
| 03/07/2013 | WO2013032429A1 Protected wear assembly for material handling apparatus |
| 03/07/2013 | WO2013032347A1 Suspension system for front working tools in a melioration device |
| 03/07/2013 | WO2013029103A1 Duckbill ejector |
| 03/07/2013 | WO2012078420A3 Lift arm and implement control system |
| 03/07/2013 | US20130058747 Construction Machinery |
| 03/07/2013 | US20130056233 Dust suppression arrangement for heavy excavation equipment |
| 03/07/2013 | CA2843585A1 Protective wear assembly for material handling apparatus |
| 03/06/2013 | EP2563978A1 Positioning apparatus for excavating and similar equipment |
| 03/06/2013 | EP2563977A1 Measuring apparatus for excavating and similar equipment |
| 03/06/2013 | CN202767879U Large-scale earth-rock boring machine |
| 03/06/2013 | CN202767147U Wheel excavator landing legs and dozer blade installation assembly |
| 03/06/2013 | CN202767133U Excavator rapid disassembly and assembly device |
| 03/06/2013 | CN202767132U Rotary wing type slurry extraction device |
| 03/06/2013 | CN202767131U Bulldozer and electric engine assembly thereof |
| 03/06/2013 | CN202767130U Electric shovel rod rear baffle |
| 03/06/2013 | CN202767129U Reversing operating handle structure of distributor |
| 03/06/2013 | CN202767128U Excavator bucket |
| 03/06/2013 | CN202767127U Gap adjustment mechanism for hydraulic extractor |
| 03/06/2013 | CN202767126U Wheel loader tipper-hopper wide-angle structure |
| 03/06/2013 | CN202767125U Excavator with rotatable bucket |
| 03/06/2013 | CN202767124U Excavating device of excavator |
| 03/06/2013 | CN202765118U Small-sized multifunctional wheel-type skidding tractor |
| 03/06/2013 | CN102959276A Transmission for work vehicle |
| 03/06/2013 | CN102953402A Front-support-type local structure of mud dredging grab bar |
| 03/06/2013 | CN102953401A Rotating base of excavator |
| 03/06/2013 | CN101061278B Method and system for an autonomous loading shovel |
| 03/05/2013 | US8387289 Hydraulic circuit system for hydraulic excavator |
| 03/01/2013 | DE202011108526U1 Dreh-/Schwenkantrieb für Baggeranbauwerkzeuge mit Schnellwechsler Turn / tilt drive for excavator-mounted tools with quick coupler |
| 02/28/2013 | WO2013028459A2 Bimaterial flight assembly for an elevator system for a wheel tractor scraper |
| 02/28/2013 | WO2013028076A1 Device for dredging in water reservoirs |
| 02/28/2013 | WO2013027873A1 Method for controlling a working machine |
| 02/28/2013 | WO2013027344A1 Piping mounting structure for working machine |
| 02/28/2013 | WO2013027328A1 Work machine |
| 02/28/2013 | WO2013026191A1 Rotational connector and environmental sanitation vehicle comprising same |
| 02/28/2013 | US20130051965 Articulated work machine |
| 02/28/2013 | US20130051964 Inverting of Attachments for Working Machines Having Front End Loader Configurations |
| 02/28/2013 | US20130051963 Systems, methods, and devices for controlling a movement of a dipper |
| 02/28/2013 | DE102011086083B3 Harvest cutting device for attachment to excavator, has quick changer for coupling on excavator arm, where supporting foot is provided, on which harvesting cutting device is supported on processing surface |
| 02/28/2013 | DE102011053098A1 Baggerschaufel und Kantenschutz für die Schneidkante einer Baggerschaufel Scoop and protect the edges of the cutting edge of an excavator bucket |
| 02/28/2013 | DE102006023420B4 Schnellwechselvorrichtung Quick-change device |
| 02/28/2013 | CA2788125A1 Systems, methods, and devices for controlling a movement of a dipper |
| 02/27/2013 | EP2562311A2 Vibration nipper for heavy machinery |
| 02/27/2013 | EP2561146A1 Unmanned device for versatile handling of material containing stone, rock-like material or soil |
| 02/27/2013 | EP2561145A2 Rotary device for an attachment on a machine |
| 02/27/2013 | EP2561144A1 Unmanned apparatus for handling of material containing stone, rock-like material or soil |
| 02/27/2013 | CN202756447U Front bumper bearing seat structure of bulldozer |
| 02/27/2013 | CN202755388U Pin roll location plate mechanism of bulldozer |
| 02/27/2013 | CN202755387U Novel buffering damping pickaxe structure |
| 02/27/2013 | CN102947511A Machine bucket |
| 02/27/2013 | CN102947510A Contaminated soil cultivating device for back-hoe having underground injection pipes |
| 02/27/2013 | CN102943496A Potential energy recycling system of movable arm of excavator |
| 02/27/2013 | CN102943495A Hinge mechanism |
| 02/27/2013 | CN102943494A Connecting mechanism of bucket rod and bucket |
| 02/27/2013 | CN102942144A Multifunctional forklift |
| 02/27/2013 | CN102041821B Bucket and operation vehicle |
| 02/26/2013 | CA2787790A1 Inverting of attachments for working machines having front end loader configurations |
| 02/21/2013 | WO2013025141A1 Tool holder |
| 02/21/2013 | US20130046447 Position Control Apparatus and Method for Working Machine of Construction Machinery |