E02F 3 - Dredgers; Soil-shifting machines

Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
11/2011
11/16/2011	CN101191338B Reservoir dredging device
11/15/2011	CA2621351C Ditch digging bucket
11/10/2011	US20110274528 Bucket Cylinder Debris Guard
11/10/2011	US20110271562 Tiltable Bucket Attachment
11/10/2011	US20110271561 Cutter Head for Dredging Ground and Method for Dredging Using this Cutter Head
11/09/2011	EP1889976B1 Hydraulic circuit structure of a work vehicle.
11/09/2011	CN202031115U Automatic desilter for water bottom
11/09/2011	CN202031114U Diaphragm-wall grab-bucket rectifying mechanism
11/09/2011	CN101761099B Drilling bit type cylindrical digging bucket of digging machine with four fan-shaped shoveling plates
11/09/2011	CN101649629B Connection structure of grader drive axle and balance box
11/09/2011	CN101238253B Motor grader
11/05/2011	CA2739531A1 Coupler
11/03/2011	WO2011134733A1 Laser cutter suction dredger
11/03/2011	DE102010018551A1 Moving mechanism for folding shovel of large hydraulic excavator used in open-pit mining, has shovel front part and rear wall including connection regions which form swiveling region and hinge element for shovel front part and cylinder
11/02/2011	EP2383394A1 Laser cutter suction dredger
11/02/2011	EP2136004B1 Excavating machine
11/02/2011	EP1281882B1 Sealing device
11/02/2011	CN202023211U Sediment collection device
11/02/2011	CN202023209U Overload protecting device for land scraper turning circle worm-gear case
11/02/2011	CN202023208U Loading machine thermal balancing hydraulic system
11/02/2011	CN101768985B Positioning installation method of cutter seat of cutter-suction dredger
11/02/2011	CN101614016B Feeding device of underground lateral trenching and milling device
11/02/2011	CN101363508B Power transmitting means for power unit of engineering ship
10/2011
10/27/2011	WO2011132914A2 Vibration nipper for heavy machinery
10/27/2011	WO2011132819A1 Grapple device of excavator
10/27/2011	WO2011131841A1 Unmanned device for versatile handling of material containing stone, rock-like material or soil
10/27/2011	WO2011131840A1 Unmanned apparatus for handling of material containing stone, rock-like material or soil
10/27/2011	WO2011131196A1 Positioning apparatus for excavating and similar equipment
10/27/2011	WO2011131195A1 Measuring apparatus for excavating and similar equipment
10/27/2011	WO2011084669A3 Permanent magnet direct drive drawworks
10/27/2011	WO2011084320A3 Linkage for an earth-moving machine
10/27/2011	US20110262256 Latching System For Automatically Securing Front-Mounted Loader Mast To Tractor Mounting Frame
10/27/2011	US20110262212 Work tool coupling arrangement
10/27/2011	US20110258890 Digging and backfill apparatus
10/27/2011	CA2794591A1 Positioning apparatus for excavating and similar equipment
10/27/2011	CA2794588A1 Measuring apparatus for excavating and similar equipment
10/26/2011	EP2379815A2 System and method for enabling floating of earthmoving implements
10/26/2011	CN202017220U Supporting mechanism for front working device of bulldozer
10/26/2011	CN202017219U Connecting structure for scraper bucket and bucket rod
10/26/2011	CN202017218U Novel shovel
10/26/2011	CN202017217U Outdoor portable multipurpose shovel
10/26/2011	CN1820110B Revoling-frame structure of construction machinery
10/26/2011	CN102226346A Extrusion grab bucket for continuous desilting
10/26/2011	CN101793038B Multipurpose agriculture machine
10/26/2011	CN101775820B Ecological dredging operation device
10/26/2011	CN101668902B Machine with automated blade positioning system
10/26/2011	CN101268234B Bucket assembly for excavator
10/20/2011	WO2011128772A1 Electrohydraulic hybrid lifting vehicle
10/20/2011	WO2011128427A2 Rotary device for an attachment on a machine
10/20/2011	WO2011127536A1 A wear assembly
10/20/2011	WO2011075374A3 Implement angle correction system and associated loader
10/20/2011	US20110252673 Quick coupling device for connecting a tool to a handling equipment, such as the arm of an excavator
10/20/2011	DE102011009093A1 Rotorkasten für eine Bodenmaschine und Bodenmaschine mit einem solchen Rotorkasten Rotor case for a floor machine and floor machine with such a rotor box
10/20/2011	DE102010027895A1 Drehvorrichtung für ein Anbaugerät an einer Arbeitsmaschine Rotation device for an attachment on a working machine
10/20/2011	DE102010016492A1 Method for monitoring condition of tool of construction machine, particularly by coupling through quick change device, involves recognizing usage data of tool, where usage data is logged in storage device attached at side of tool
10/20/2011	DE102010016491A1 Schnellwechselvorrichtung mit einer aktiven Verspannstütze zum Ankuppeln eines Werkzeugs an eine Arbeitsmaschine Quick change device with an active Verspannstütze for coupling a tool to a work machine
10/20/2011	DE102010016490A1 Schnellwechselvorrichtung zum Ankoppeln eines Werkzeugs an eine Arbeitsmaschine Quick coupler for coupling a tool on a machine
10/19/2011	EP2378006A1 Quick-change device with an active tensioning support for coupling a tool to a work machine
10/19/2011	EP2378005A1 Quick coupler for coupling a tool to a work machine
10/19/2011	EP2378004A2 Quick coupling device for connecting a tool to a handling equipment, such as the arm of an excavator
10/19/2011	EP2378002A1 Machining device for producing vertical slits in the ground
10/19/2011	EP2377653A1 Method and system for controlling large-scale engineering manipulator
10/19/2011	EP2376715A1 Drag head for a trailing suction hopper dredger and method for dredging using this drag head
10/19/2011	CN202012096U Stone-resistant ring of suction dredge reamer mud-sucking mouth
10/19/2011	CN202012095U Movable arm hydraulic energy saving control device for loading machine
10/19/2011	CN202012094U Lifting loading and unloading tipping bucket apparatus of loader
10/19/2011	CN102224303A Coupler with coupling status sensors
10/19/2011	CN102224302A Integral power or electrical conduit coupler
10/19/2011	CN102220774A Reamer suction device used for cutter suction dredger
10/19/2011	CN102220773A Shallow dredging device for cutter suction dredger
10/19/2011	CN102220772A Bridge pivot structure used for suction type dredging ship
10/19/2011	CN102220771A Safe startup device for hydraulic bulldozer
10/19/2011	CN102220770A Limiting device with floating ball seat and balance beam
10/18/2011	US8037807 Controlled motion in a hydraulically actuated system
10/17/2011	DE202011050920U1 Stapelvorrichtung für einen Bagger mit einem hydraulisch betätigbaren Stütz- und Räumschild Stacking device for an excavator with a hydraulically operated dozer blade support and
10/13/2011	US20110247846 Dcm circle shoe having angled wear insert
10/13/2011	US20110247246 Attachment cutting system having cutting heads and a cutter chain
10/13/2011	DE202010009489U1 Saugbagger mit Hydrosaugrohr Suction dredger with Hydrosaugrohr
10/13/2011	DE102010014644A1 Selbstfahrende Arbeitsmaschine mit elektrischem Antriebssystem sowie Verfahren zum Betreiben einer solchen Self-propelled machine with electric drive system and method for operating such
10/12/2011	EP2373849A1 Improvements to work attachment assemblies
10/12/2011	EP1989359B1 Cutter head and suction dredger
10/12/2011	DE202011050928U1 Eimerschneidsatz für Eimerbagger Bucket cutting kit for excavator buckets
10/12/2011	CN202007424U Central transmission gear pair of high-strength wet land type soil shifter
10/12/2011	CN102212996A Rotary land leveler operating device based on short-tooth shape
10/12/2011	CN101864780B Intelligent control method for hydraulic excavator
10/06/2011	WO2011122942A1 Submersible dredging device, assembly of a riser system and submersible dredging device, vessel and method of driving a slurry pump
10/06/2011	WO2011121886A1 Steering system for industrial machinery and vehicle-refracting angle changing method
10/06/2011	WO2011121400A1 A quick safety connection for coupling a tool to an operating machine
10/06/2011	WO2011120621A1 Suction machine for suctioning ballast of a track
10/06/2011	US20110243700 Working machine with equipment room
10/06/2011	US20110239494 Dipper door retarding mechanism
10/06/2011	US20110239493 Drag head for a trailing suction hopper dredger and method for dredging using this drag head
10/06/2011	US20110239492 Gusset accessory mount
10/06/2011	CA2791234A1 A quick safety connection for coupling a tool to an operating machine
10/05/2011	EP2370643A1 Earth moving bucket
10/05/2011	CN202001056U Crawler type full-hydraulic pressure multifunctional transportation operation car for mines
10/05/2011	CN202000387U Hydraulic driving type ridge region field masonry block machine
10/05/2011	CN202000386U Pilot pressure control device for moving arm of loader
10/05/2011	CN202000385U Electro-hydraulic composite hybrid power excavator driving device
10/05/2011	CN202000384U Loader

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