Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
12/2002
12/11/2002CN2525127Y Movable telescopic divt cleaner
12/10/2002US6491469 Connecting system between wearing parts mounted onto tools and receptacles in use on construction machinery and equipment
12/10/2002US6491321 Multistage gas generator for air bag and air bag apparatus
12/10/2002US6491123 Electric earth-moving vehicle particularly for poorly ventilated locations
12/10/2002US6491114 Slow start control for a hydraulic hammer
12/10/2002US6490815 Excavator bucket with ripping implement
12/05/2002WO2002097201A1 A coupling assembly
12/05/2002US20020179180 Hydraulic circuits for tree-harvesting knuckle booms
12/05/2002US20020178625 Excavator arm assembly with integral quick coupler
12/04/2002EP0932729B1 Skid steer loader vehicle
12/04/2002CN2523796Y Automatic alignner of dreg remover
12/04/2002CN2523795Y 自动加压耙斗 Automatic compression harrow
12/03/2002US6487800 Manually operated coupler for work tools
12/03/2002US6487799 Removable hitch attachment for earth-moving equipment
12/03/2002US6487797 Speed/force adjustable implement linkage for an excavator
11/2002
11/28/2002WO2002096110A2 A virtual camera on the bucket of an excavator displaying 3d images of buried pipes
11/28/2002WO2002095145A1 Construction equipment for excavating and preparing wearing courses, earth or rocky subgrade
11/28/2002WO2002095144A1 Excavation device comprising a suction unit
11/28/2002WO2002095143A1 Slide rail adjustment for grader blade
11/28/2002WO2002095142A1 Wheel loader
11/28/2002US20020176772 Bucket fastener for a hydraulic shovel
11/28/2002US20020174575 Quick connect/disconnect system for an arm of excavator or other machine
11/28/2002US20020174574 Mounting arrangement for a cutting tooth for a trencher chain
11/28/2002US20020174573 Excavator
11/28/2002DE10133722C1 Mobile bucket wheel loader comprises a quick-change attachment having an integrated fork support for supporting forks fixed on a lifting arm and a tilting rod
11/28/2002DE10115678C1 Mobile bucket wheel loader for loading transport vehicles comprises a boom tip connecting a bucket to a boom via hinge points and controlled by a connecting rod hinged on the boom tip and a tilting guide
11/28/2002DE10104255A1 Grip suspension at an excavator, with a rapid shovel exchange system, has a fork shape with the arms at sliding bearing mountings as bushes on extended excavator bolts, secured against accidental opening
11/28/2002CA2446908A1 Wheel loader
11/27/2002EP1260636A1 Centrifugal thrower-crusher for aggregates and other materials
11/27/2002EP1259937A2 Features of main control computer for a power machine
11/27/2002EP1259454A1 Loader
11/27/2002CN1095013C 振动产生装置 Vibration generating means
11/26/2002US6484813 Bulldozer attachment to facilitate grading
11/26/2002US6484668 Device for sea urchins picking
11/26/2002US6484423 Dragline rigging system
11/26/2002US6484422 Soil-excavating apparatus
11/26/2002CA2273421C Elongated chain link
11/26/2002CA2243868C Dump block
11/21/2002WO2002092921A1 Working device for finishing work with a limited working range
11/21/2002WO2002092269A1 Breaking apparatus
11/21/2002WO2001016433A3 Earth-moving machine bucket coupler
11/21/2002US20020173900 Device and method for controlling the position for working devices of mobile machines
11/21/2002US20020170724 Slide rail adjustment for grader blade
11/21/2002US20020170212 Boom of bucket type excavator and method for making same
11/21/2002US20020170211 Quick coupler for excavator
11/21/2002US20020170210 Laser beam detecting device for a construction machine
11/21/2002DE10123253A1 Ancillary appliance for excavators etc. to inject additives into excavated materials consists of main body with air lances connected to compressed air system and additive container
11/20/2002EP1258567A1 Quick coupler for excavator
11/19/2002US6481949 Crane attachment for a front end loader
11/19/2002US6481506 Dual tilt control system for work vehicle
11/19/2002US6481124 Quick coupler for bucket excavators
11/14/2002WO2002090668A1 Joystick arrangement for motor graders
11/14/2002WO2002090667A1 Apparatus for and method of propelling fluid
11/14/2002WO2002090058A1 Gripping assembly for impact hammer
11/14/2002US20020166267 Advanced motor grader controls
11/14/2002US20020166266 Earth leveling excavator
11/14/2002CA2443193A1 Gripping assembly for impact hammer
11/13/2002EP1255895A1 Working device
11/13/2002EP0883717B1 Coupling arrangement for coupling a hydraulic tool to a working machine
11/13/2002CN1379155A Digging chain for railroad engineering machine
11/12/2002US6480773 Automatic boom soft setdown mechanism
11/12/2002US6480264 Laser beam detecting device
11/07/2002WO2002088477A1 Front-end loader
11/07/2002WO2002088476A1 Connection apparatus
11/07/2002WO2002088471A1 Telerobotic nozzle positioning system for an automated roadway debris
11/07/2002US20020162669 Snow or soil grader
11/07/2002US20020162668 Blade control apparatuses and methods for an earth-moving machine
11/07/2002US20020162435 Apparatus and method for breaking rails
11/07/2002US20020162252 Trenching equipment
11/07/2002US20020162251 Combination bucket/breaker apparatus for excavator boom stick
11/07/2002DE10117156A1 Dredger used for dredging comprises a housing receiving a rotary pump which is raised relative to a floating body until a connection (6) for a suction conveying line lies above the water line
11/06/2002EP1254989A1 Cabin of back hoe
11/06/2002EP1254287A1 Universal coupler for excavator buckets
11/05/2002US6474933 Extended reach vertical lift boom
11/04/2002CA2345951A1 Advanced motor grader controls
10/2002
10/31/2002US20020159855 Transportable unit for earthworking implements
10/31/2002US20020158479 Drive apparatus for a grab device
10/31/2002US20020157287 Quick coupling
10/31/2002US20020157286 Coupler with improved structure and method for manufacturing same
10/31/2002US20020157212 Telerobotic nozzle positioning system for an automated roadway debris vacuum vehicle
10/31/2002DE10120491A1 Control of an open-pit mine digger, for continuous mineral extraction, uses electromagnetic waves to measure the densities of material layers to set the digger depth for optimum mining extraction
10/31/2002DE10119857C1 Cargo ship used as suction dredger for transporting rocks and ores comprises goods chambers in ship body, longitudinal drive bodies, side suction pipe, and pump
10/30/2002EP1218600A4 Cutting or crushing apparatus
10/30/2002EP1053372B1 Machine for displacing grindstones
10/30/2002CN2518911Y Six-freedom bulldozer blade device
10/30/2002CN2518910Y Hydrostatic drive levelling machine
10/30/2002CN2518909Y Loader-digger
10/30/2002CN1376839A Double oscillating controller for engineering vehicles
10/29/2002US6470607 Excavating method for constructing underground walls
10/29/2002US6470606 Vehicle having apparatus for monitoring forward portion of blade and method of monitoring forward portion of blade
10/29/2002US6470605 Earth reduction tool
10/24/2002US20020152885 Method and apparatus for lifting a work implement attached to a work machine
10/24/2002DE10210273A1 Hydraulic control of earthmoving machine tool uses lift and tip circuits and their sensors to feed control unit for comparison of sensor inputs in proportion to tool swivel angles.
10/24/2002DE10115526A1 Rotator for construction machine shovel or blade is powered by drive having axis parallel to adapter plate face at machine join in neutral setting.
10/23/2002EP1119665A4 Excavation assembly, apparatus and method of operating the same
10/23/2002EP0993528B1 Tilt linkage arrangement
10/23/2002CN2517788Y Large power land leveller worm gear
10/23/2002CN1375601A Rapid connector
10/22/2002US6470251 Light detector for multi-axis position control
10/22/2002US6467552 Land levelling device