| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
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| 02/19/1997 | EP0758701A1 Tilt linkage arrangement for an excavator implement |
| 02/19/1997 | EP0758552A1 Coupling of an implement to the loading arm of a construction machine |
| 02/19/1997 | CN1143139A Civil engineering works machine in which working tool is mounted at end of articulated arm |
| 02/18/1997 | US5603382 Shovel attachment with ejector blade for tractors |
| 02/18/1997 | US5603174 Dragline including improved walking mechanism |
| 02/18/1997 | US5603171 Process and apparatus for suctioning off the solid material from waterbeds |
| 02/12/1997 | EP0758037A1 Working machine control device for a construction |
| 02/12/1997 | EP0757737A1 Pavement cutting and excavating tool |
| 02/11/1997 | US5600905 Dragline with improved pinion shaft mounting |
| 02/05/1997 | EP0756653A1 Method and apparatus for monitoring and coordination of multiple geography-altering machines on a work site |
| 02/05/1997 | EP0591442B1 Quick disconnect bucket actuator |
| 02/04/1997 | US5599158 Linkage arrangement for a wheel loader |
| 02/04/1997 | US5598648 Apparatus for controlling straight excavating operation with hydraulic excavator |
| 01/29/1997 | EP0755742A1 Double-scissors cutter |
| 01/28/1997 | USRE35432 Demolition tool for a hydraulic excavator |
| 01/28/1997 | US5597283 Quick coupling for heavy equipment attachment |
| 01/28/1997 | US5596825 Excavation bucket grading attachment |
| 01/28/1997 | US5596824 For tamping of material in a trench opening |
| 01/23/1997 | WO1997002386A1 Hydraulic roller-compactor |
| 01/23/1997 | WO1997002385A1 Working machine |
| 01/22/1997 | EP0754820A1 Crushing device |
| 01/22/1997 | EP0754264A1 Method and vessel for treating an underwater bed |
| 01/22/1997 | EP0690943B1 Process and device for precisely maintaining the vertical excavation direction of a subterranean curtain |
| 01/22/1997 | EP0546154B1 Apparatus and methods for cutting soil and in situ construction of subsurface containment barriers |
| 01/22/1997 | CN1140782A Area limiting excavation control system for construction machine |
| 01/22/1997 | CA2181611A1 Site profile based control system and method for an earthmoving implement |
| 01/21/1997 | US5595471 Linkage arrangement |
| 01/14/1997 | US5593252 Method of and device for suction transporting |
| 01/14/1997 | US5592762 Excavator bucket linkage |
| 01/14/1997 | US5592761 For dislodging of/collecting soil during trench excavations |
| 01/14/1997 | US5592760 Labor-saving materials dispenser |
| 01/14/1997 | CA2094958C Optional loader bucket linkage assembly |
| 01/09/1997 | WO1997001005A1 Slope of cut control system |
| 01/07/1997 | US5590968 Bearing retainer assembly |
| 01/07/1997 | US5590731 Hydraulic control system providing proportional movement to an attachment of a power machine |
| 01/07/1997 | US5590483 Implement attatching device for construction equipment |
| 01/07/1997 | US5590482 Excavator and earthen material excavator bucket apparatus |
| 01/02/1997 | EP0751260A1 Shearing device, specially for cutting metals or concrete |
| 01/02/1997 | EP0750702A1 Digger-loader |
| 01/02/1997 | EP0539589B1 Method and unit for controlling vehicle for loading operation |
| 12/31/1996 | US5588230 Apparatus for excavating soil using a plurality of independenity pivotable brushes |
| 12/27/1996 | EP0494863B1 Rotary dipper stick |
| 12/27/1996 | CA2179256A1 Shearing device for cutting metal or concrete |
| 12/25/1996 | CN2243485Y Tractor-style bulldozer |
| 12/24/1996 | US5586399 For excavating rock and soil to form a trench |
| 12/18/1996 | EP0642616B1 Excavator designed to draw volatile contaminants out of gas-permeable material |
| 12/17/1996 | US5584645 Telescopic boom with a multistage, lockable hydraulic cylinder protected against buckling |
| 12/17/1996 | US5584644 Coupling system |
| 12/17/1996 | US5584643 Working tool unit of construction machine |
| 12/12/1996 | WO1996039562A1 Working machine control system with detector for buried objects |
| 12/11/1996 | EP0747541A1 Area limiting excavation control system for construction machine |
| 12/11/1996 | EP0747540A1 Underwater suction dredging unit and method therefor |
| 12/11/1996 | CN2242268Y Sludge dredging machine |
| 12/10/1996 | US5581917 Quick coupling device |
| 12/10/1996 | US5581916 Excavating, sieving and grading device for working crawler |
| 12/09/1996 | CA2176453A1 Implement coupling assembly for excavator machines and the like |
| 12/08/1996 | CA2166426A1 One way plow blade |
| 12/05/1996 | WO1996038636A1 A block for the mortarless construction of a wall |
| 12/04/1996 | EP0663033A4 Linkage arrangement. |
| 12/04/1996 | CN1137092A Open cast mining apparatus |
| 11/28/1996 | WO1996037337A1 Shear processor for steel structures |
| 11/28/1996 | DE19518040C1 Bucket wheel for opencast mining machinery |
| 11/27/1996 | EP0744500A2 Loader with parallel motion tool linkage |
| 11/27/1996 | EP0744499A1 Scraper blade for bucket chain |
| 11/27/1996 | EP0743998A1 Quick coupling assembly |
| 11/27/1996 | CN2241171Y Arm type chain grooving machine |
| 11/27/1996 | CN2241170Y Pushdozer monitor |
| 11/26/1996 | US5577878 Work machine |
| 11/26/1996 | US5577876 Hydraulic interblock system |
| 11/26/1996 | US5577858 Pin-retaining structure and method for retaining a pin |
| 11/26/1996 | CA2126153C Side-locking flex pin connector for excavation apparatus |
| 11/21/1996 | WO1996036775A1 Excavator extension arm arrangement |
| 11/21/1996 | WO1996036774A1 Quick coupler for heavy equipment implements |
| 11/21/1996 | CA2208534A1 Quick coupler for heavy equipment implements |
| 11/20/1996 | EP0743401A2 Bonnet assembly for hydraulic working machine |
| 11/19/1996 | US5575538 Rock saw with centerline conveyor assembly and method of digging a narrow trench |
| 11/19/1996 | US5575093 For coupling an implement to an operating arm of a machine |
| 11/19/1996 | US5575092 Dragline bucket |
| 11/18/1996 | CA2175162A1 Assembly connectable to an operating arm of a machine for performing work functions |
| 11/18/1996 | CA2174807A1 Assembly for coupling an implement to an operating arm of a machine in various angular positions |
| 11/13/1996 | EP0741823A1 Method of controlling bucket angle of hydraulic shovel |
| 11/13/1996 | CN2239984Y Chain-bucket underwater sand excavator |
| 11/13/1996 | CN2239983Y Propelling forming device for underground engineering |
| 11/12/1996 | US5572809 Control for hydraulically operated construction machine having multiple tandem articulated members |
| 11/12/1996 | CA2108503C Fairlead mechanism with synchronized sheaves |
| 11/12/1996 | CA2060473C Pivoted handle dipper shovel with hydraulic crowders and wire rope pulley |
| 11/07/1996 | WO1996035034A1 Performing work with a tool |
| 11/07/1996 | CA2223087A1 Performing work with a tool |
| 11/06/1996 | EP0741209A2 Hydraulic control system providing proportional movement to attachment of construction machines |
| 11/05/1996 | US5570991 Swing lock for a backhoe |
| 11/05/1996 | CA2174593A1 Detachable coupler assembly |
| 11/05/1996 | CA2105506C Plow attachment |
| 10/31/1996 | WO1996034153A1 Screening device |
| 10/30/1996 | EP0740023A1 Implement arm with double lateral articulation |
| 10/30/1996 | EP0739437A1 Device and method for controlling attachment of construction machine |
| 10/29/1996 | US5570457 Visual information processing device |
| 10/28/1996 | CA2162440A1 Pin-retaining structure and method for retaining a pin |
| 10/26/1996 | CA2174789A1 Public works machine equipped with tool mounted on the end of a retractable arm |
| 10/24/1996 | WO1996033315A1 Lift boom linkage system |
| 10/21/1996 | CA2174396A1 Coupler assembly |