| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
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| 01/30/2013 | CN202706083U Bulldozer and bulldozer working device |
| 01/30/2013 | CN202706082U Land leveler and connecting device thereof |
| 01/30/2013 | CN202706081U Scraping plate type sand leveling machine |
| 01/30/2013 | CN202706080U Underground pore forming machine |
| 01/30/2013 | CN202706079U Stacking shovel mechanism for loading machine |
| 01/30/2013 | CN202706078U Sealing connection mechanism for movable arm deflection connector and rotary platform |
| 01/30/2013 | CN202706077U Motion redundant face shovel excavation device capable of optimizing excavation capability |
| 01/30/2013 | CN202706076U Motion redundant face shovel excavation mechanism capable of reducing hoisting energy consumption |
| 01/30/2013 | CN202706075U Motion redundancy face-shovel excavation mechanism capable of optimizing lifting force |
| 01/30/2013 | CN202706074U Motion redundancy face-shovel excavation mechanism |
| 01/30/2013 | CN202706073U Motion redundancy face-shovel hydraulic excavation mechanism |
| 01/30/2013 | CN202706072U Hydraulic excavator operation device with motion redundancy characteristics |
| 01/30/2013 | CN202706071U Motion redundant face shovel excavation mechanism containing extension arm |
| 01/30/2013 | CN202706070U Buoy roller type amphibious excavator |
| 01/30/2013 | CN202706069U Pole pit excavating shovel |
| 01/30/2013 | CN202706068U Ditching spade |
| 01/30/2013 | CN102906342A 机器铲斗组件 Machine bucket assembly |
| 01/30/2013 | CN102900121A Hydraulic pump control system and hydraulic pump control method used for engineering machinery |
| 01/30/2013 | CN102900109A Land leveler and scarifier thereof |
| 01/30/2013 | CN102900107A Excavator, basket and connection mechanism of basket |
| 01/30/2013 | CN102900106A Swing arm of skid steering loader |
| 01/30/2013 | CN102900105A Work arm of excavator |
| 01/30/2013 | CN102900104A Telescopic excavation end working device for backhoe loader |
| 01/29/2013 | US8364333 Hybrid-type working machine |
| 01/29/2013 | CA2691853C Systems, devices, and/or methods regarding excavating |
| 01/29/2013 | CA2653425C Material separation system for vacuum truck |
| 01/24/2013 | WO2013012330A1 Pump frame |
| 01/24/2013 | WO2013011667A1 Working attachment and working machine with same |
| 01/24/2013 | WO2012161439A3 Excavator |
| 01/24/2013 | DE102011108320A1 Demolition tool for hydraulic excavator used in construction site of building, has actuator device which is connected with cutter arranged on chisel unit to cut the iron or steel materials |
| 01/24/2013 | CA2842278A1 Pump frame |
| 01/23/2013 | EP2548834A1 Tailor welded panel beam for construction machine and method of manufacturing |
| 01/23/2013 | CN202689069U Pool decontamination device |
| 01/23/2013 | CN202689068U Slope treatment device for land leveler |
| 01/23/2013 | CN202689067U Excavating component for mining excvavtor and mining excvavtor |
| 01/23/2013 | CN202689066U Loading machine multiway valve operating lever |
| 01/23/2013 | CN202689065U Single-line dual-connection dual-swing combined force arm of grass grabbing machine |
| 01/23/2013 | CN202689064U Digging bucket |
| 01/23/2013 | CN102889918A Method for weighing electric excavator |
| 01/23/2013 | CN102888870A Holding fork bucket of loading machine |
| 01/23/2013 | CN102888866A Hydraulic circuit capable of accurately controlling lifting height of movable arm of excavator |
| 01/23/2013 | CN102888806A Combined type road leveling machine of steel wheel tire |
| 01/23/2013 | CN102304932B Land leveler leveling control system, control method and land leveler |
| 01/23/2013 | CN101581105B Trimming device for hydraulic tube of suspended grab bucket |
| 01/17/2013 | WO2013009172A1 Drag head and trailing suction hopper dredger |
| 01/17/2013 | WO2013008968A1 Fuel system for an excavator |
| 01/17/2013 | WO2013008149A1 A demolition grapple |
| 01/17/2013 | WO2013007885A1 Safety device for quick-fit attachments used for fitting a tool to the end of the arm of a hydraulic excavator |
| 01/17/2013 | WO2012148118A3 Submarine cable laying device |
| 01/17/2013 | WO2012142667A4 Teeth grab attachment for 4 in 1 earthmoving bucket |
| 01/17/2013 | US20130017049 Boom assembly |
| 01/17/2013 | US20130017048 Construction machine |
| 01/16/2013 | EP2546421A1 Double check valve for construction equipment |
| 01/16/2013 | DE202009018735U1 Sieb-, Mahl- oder Mischschaufel Screeners, grinding or mixing blade |
| 01/16/2013 | CN202672204U Cooling system of hybrid power bulldozer |
| 01/16/2013 | CN202672203U Mechanism for preventing axial movement and radial rotation on front fork of movable arm of excavator |
| 01/16/2013 | CN202672202U Heavy swing arm for excavator |
| 01/16/2013 | CN202672201U Dismountable agricultural forklift |
| 01/16/2013 | CN202672200U Timber clamping fork mechanism for loader |
| 01/16/2013 | CN202672199U Excavating machine with safe device |
| 01/16/2013 | CN202672198U Excavating machine |
| 01/16/2013 | CN202663733U Spade |
| 01/16/2013 | CN102884253A Control device and method for controlling pitch angle |
| 01/16/2013 | CN102884252A Dust suppression arrangement for heavy excavation equipment |
| 01/16/2013 | CN102877495A Hybrid power system for recovering potential energy of movable arm of excavating machine |
| 01/16/2013 | CN102877494A Excavating shovel bucket with face and back operation functions |
| 01/16/2013 | CN102877493A 挖掘机斗杆 Excavator Stick |
| 01/16/2013 | CN102875919A Portable Luoyang spade |
| 01/16/2013 | CN102220770B Limiting device with floating ball seat and balance beam |
| 01/16/2013 | CN101790613B Trencher with auto-plunge and boom depth control |
| 01/16/2013 | CN101463612B Shock absorption device and control method thereof for small swing radius excavator |
| 01/15/2013 | CA2652603C Lock for securing wear parts to earth-working equipment |
| 01/10/2013 | WO2013005915A2 Excavator bucket having tooth for protecting side shroud and preventing friction and tooth adapter for excavator bucket |
| 01/10/2013 | US20130011232 Construction machine |
| 01/10/2013 | US20130011180 Quick safety connection for coupling a tool to an operating machine |
| 01/10/2013 | US20130008061 Front Unloading Scraper |
| 01/10/2013 | DE102011106991A1 Anbaugerät; Attachment; Verfahren zur Aufnahme von auf einem Boden gelagerten Schüttgut A method for receiving bulk material mounted on a floor |
| 01/10/2013 | DE102010016490B4 Schnellwechselvorrichtung zum Ankoppeln eines Werkzeugs an eine Arbeitsmaschine Quick coupler for coupling a tool on a machine |
| 01/09/2013 | EP2543778A1 Driving damper control device for wheel loader |
| 01/09/2013 | EP2543774A1 Device for displacing bottom material under water and method for applying such a device |
| 01/09/2013 | EP2542726A1 An apparatus and a method for height control for a dozer blade |
| 01/09/2013 | EP2542725A1 Dust suppression arrangement for heavy excavation equipment |
| 01/09/2013 | CN202658641U Multifunctional vehicle connector |
| 01/09/2013 | CN202658640U Hydraulic spiral winching sucking dredging ship |
| 01/09/2013 | CN202658639U Device for removing sediments at bottom of grooving section of underground continuous wall |
| 01/09/2013 | CN202658638U Grader control box |
| 01/09/2013 | CN202658637U Land leveller front frame with assembly platform |
| 01/09/2013 | CN202658636U Traction type land leveler |
| 01/09/2013 | CN202658635U Elongated working device of small-sized wheel loader |
| 01/09/2013 | CN202658634U Three-wheel sugarcane grabbing machine |
| 01/09/2013 | CN202658633U Wetland excavator of overlong working device |
| 01/09/2013 | CN202652828U Portable shovel |
| 01/09/2013 | CN102869839A Driving damper control device for wheel loader |
| 01/09/2013 | CN102869837A Hydraulic pressure-regulating valve for construction equipment |
| 01/09/2013 | CN102864802A Power matching control method and system of hybrid power bulldozer |
| 01/09/2013 | CN102864801A Engineering machine, cooling method and cooling system for heating components in engineering machine |
| 01/09/2013 | CN102864800A Flat-pushing control method and device of excavator and excavator |
| 01/09/2013 | CN102864799A Bucket rod regeneration structure and excavator |
| 01/09/2013 | CN102864798A Bucket rod regeneration structure and excavator |
| 01/09/2013 | CN102864797A Construction machine provided with cab |