Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
01/2004
01/22/2004US20040010947 Excavation system employing a jet pump
01/22/2004US20040010946 Trenching tooth and method
01/22/2004DE10321669A1 Steuersystem für eine Grabanordnung einer Arbeitsmaschine A control system for a grave arrangement of a work machine
01/22/2004DE10230766A1 Verfahren zur Betätigung einer Arbeitsmaschine und Vorrichtung zur Durchführung des Verfahrens A method of operating a work machine and a device for carrying out the method
01/21/2004EP1382754A2 method for removing soils and device for implementing the method
01/21/2004EP1382753A1 Control apparatus for swing type hydraulic shovel
01/21/2004CN2600491Y Dredging loading device with double-power driving and expansion lifting arm
01/21/2004CN2600406Y Soil gathering loading device with expansion lift arm
01/21/2004CN1469018A Controller for oscillating hydraulic bucket shovelling machine
01/20/2004US6679674 Offset connection for skid steer loader boom assembly
01/15/2004WO2003080478A3 Reclaimer device and method thereof
01/15/2004WO2003053838B1 Load bearing member arrangement and method
01/15/2004US20040010359 Control system for a work machine digging assembly
01/15/2004US20040009057 Offset connection for skid steer loader boom assembly
01/15/2004US20040006899 Frame assembly for a work machine digging assembly
01/15/2004DE20317262U1 Hydraulic drive device for using with educational toys comprises a water container module, a water pump module, a water-pressurizing module, and a hydraulic drive unit
01/14/2004EP1379735A2 Method and apparatus for determining the location of underground objects during a digging operation
01/14/2004CN1134574C Ditcher and digging method thereof
01/08/2004WO2004003304A1 Rotation tool and actuator
01/08/2004US20040003518 Manually operated snow removal apparatus
01/07/2004CN1133782C Target excavation surface setting device for excavation machine
01/06/2004US6672797 Linear transducer arrangement
01/06/2004US6672401 Towable box grader with electronically controlled continuously variable multi-axis blade system
01/06/2004US6672399 Hydraulic diverting system for utility vehicle
01/06/2004US6671984 Ripper attachment for an excavation device
01/02/2004EP1375759A1 Hydraulic control circuit of boom cylinder of working machine
01/02/2004EP1375758A1 Hydraulic control circuit of boom cylinder of working machine
01/02/2004EP1375757A1 Working vehicle with a tool quick coupler and an identification system for the tool
01/02/2004EP1373646A1 Multipurpose heavy-construction machine of the loader shovel type
01/02/2004EP1372855A1 Comminution machine or crusher
01/01/2004US20040001747 Utility pole installation system with articulated chassis
01/01/2004US20040000811 Timed rotation tool assembly and actuator
01/01/2004US20040000413 Motorgrader circle drive
01/01/2004US20040000077 Arm assembly for excavation apparatus and method of using same
12/2003
12/31/2003WO2004001141A1 Arm assembly for excavation apparatus and method of using same
12/31/2003WO2003072506A3 Remediation with ozone of sediments containing organic contaminants
12/31/2003WO2002062125A9 Dredge cutterhead
12/31/2003CN2595759Y Setting type sand sampler
12/30/2003US6669272 Cabin of back hoe
12/30/2003US6669230 Multistage gas generator for air bag and air bag apparatus
12/30/2003US6668964 Automotive vehicle with telescopic load carrying arm
12/30/2003US6668471 Towable earth digging apparatus
12/25/2003US20030235490 Multi-purpose load bearing assembly for all terrain vehicle (ATV)
12/25/2003US20030233773 Construction machine with rapid-action coupling
12/24/2003DE20212540U1 Schnellkupplung Quick coupling
12/24/2003CN2594323Y Stirring head for sucking boat
12/23/2003US6666125 Swing cylinder oscillation control circuit and valve for oscillating booms
12/23/2003CA2281762C Mine disposal apparatus and mine disposal method
12/23/2003CA2257845C Method of and device for suction transporting
12/18/2003WO2003104567A1 Maintenance apparatus for maintaining gravel and forest roads
12/18/2003US20030231946 Implement coupling assembly
12/18/2003US20030230421 Towable box grader with electronically controlled continuously variable multi-axis blade system
12/18/2003US20030230010 Hydraulic swing damping system
12/17/2003EP1370731A1 Loader-type heavy-construction machine
12/17/2003EP1278918B1 Bucket wheel device with control system and method for automatically controlling a mobile bucket wheel device
12/17/2003CN1462345A Fluid pressure circuit control system
12/17/2003CN1462327A Attachment for earth moving blade
12/16/2003US6665067 Laser beam detecting device for a construction machine
12/16/2003US6663339 Bucket shoe
12/16/2003US6663338 Three-point hitch loader
12/16/2003US6663150 Bumper with integrated energy absorber and beam
12/16/2003US6662881 Work attachment for loader vehicle having wireless control over work attachment actuator
12/16/2003US6662681 Connector assembly for mounting an implement to a prime mover
12/16/2003US6662480 Bucket level
12/16/2003US6662478 Grading bucket
12/11/2003WO2003102444A1 Chain with opposite plane links
12/11/2003WO2003102313A1 Apparatus for removing sediment and functional unit for use therein
12/11/2003WO2003101597A1 A screen/mixer
12/11/2003US20030228210 Fork lift attachment for multi-purpose bucket
12/11/2003US20030227184 Bumper with integrated energy absorber and beam
12/11/2003US20030227011 Blade installation tool
12/11/2003US20030226672 Range-master vehicle for safe recovery of ordnance and land mines
12/11/2003US20030226293 Wheeled work vehicle
12/11/2003US20030226292 Method of controlling a backhoe
12/11/2003US20030226290 Laser-guided construction equipment
12/10/2003EP1369535A1 Bucket excavator
12/10/2003CN2591105Y Spouting, digging & draging multifunction dredge
12/10/2003CN2591103Y Follow-up mud suction head bucket-wheel dredger
12/10/2003CN2591102Y Brake apparatus
12/10/2003CN2591101Y Digging machine mounted at the rear of tractor
12/09/2003US6659709 Tool carrier attachment for excavator
12/09/2003US6659708 Implement coupling assembly
12/09/2003US6659194 Blade angle adjustment system
12/09/2003US6658770 Implement coupling assembly for excavating machines and the like
12/09/2003US6658769 Self-cleaning hydraulic clam bucket
12/09/2003US6658768 Trencher
12/09/2003US6658767 Trenching method and apparatus
12/04/2003WO2003100176A2 Combination bucket/breaker apparatus for excavator boom stick
12/04/2003WO2003099093A1 Sand wand assembly
12/04/2003US20030223852 Double action grab fork and method
12/04/2003US20030223851 Working vehicle with a front-end loader, and boom assembly of the front-end loader
12/04/2003US20030222784 Detecting damage to a structural member
12/04/2003US20030221340 Multiple-tool attachment for vehicles
12/04/2003DE10245394C1 Cutting roller for continuous open-cast mining device has mini-disc cutters fitted along counter-rotating transport screws extending between each end of roller mantle and its centre
12/03/2003EP1367182A1 Electro-hydraulic device and construction machine equipped therewith
12/03/2003EP1367181A2 Hydraulic excavator
12/03/2003EP1366243A2 Dredge cutterhead
12/03/2003CN2589519Y Soil-shifting apparatus for amphibious engineering operation vehicle
12/03/2003CN1459534A Hydraulic loop for working machine
12/02/2003US6655900 Skid loader attachment