| Patents for E02F 9 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups (23,883) |
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| 01/14/1988 | DE3622674A1 Vehicle for excavation work |
| 01/12/1988 | US4718329 Control system for hydraulic circuit |
| 01/12/1988 | US4718325 Hydraulic swing control for boom assembly |
| 01/07/1988 | EP0251172A2 Hydraulic control system |
| 01/07/1988 | EP0153332B1 Method and device for the vibratory operation of a working piston, particularly for working tools |
| 01/05/1988 | US4716727 Hydraulic device |
| 01/05/1988 | US4716668 Excavating tooth point for use with basket spring retainer |
| 01/05/1988 | US4716667 Excavating tooth and wear cap assembly |
| 01/05/1988 | US4716666 Wear runner for excavating bucket |
| 01/05/1988 | US4716644 Unit comprising a shaft and rotatable body in rolling contact, serving as roller or wheel in earth-moving vehicles, and relative method of assembly |
| 12/29/1987 | US4715265 Process and apparatus for vibratory operation of a working piston, in particular for active working tools |
| 12/22/1987 | US4713898 Railroad mounted trench digger |
| 12/22/1987 | US4713897 Reversible digging teeth and holder therefor |
| 12/16/1987 | EP0249551A1 Digging wheel, in particular for digging trenches |
| 12/16/1987 | EP0249143A1 Double axle cemetery vehicle |
| 12/16/1987 | CN86210230U Frame vibration shovel blade for loading machine |
| 12/16/1987 | CN86209610U Digging bucket teeth |
| 12/15/1987 | US4712968 Mechanical digger toy |
| 12/15/1987 | US4712377 Control apparatus for hydraulic motor |
| 12/15/1987 | US4712376 Proportional valve control apparatus for fluid systems |
| 12/15/1987 | US4712321 Excavator tooth for earth moving equipment |
| 12/08/1987 | US4711504 Rotating cutter head |
| 12/08/1987 | US4711503 Replaceable tooth for a digging and breaking tool |
| 12/03/1987 | DE3618199A1 Shoe for excavator shovels |
| 12/02/1987 | EP0247335A2 Electrohydrolic system with distributed control |
| 12/01/1987 | US4710244 Dredger teeth |
| 11/17/1987 | US4706776 Vehicle steering and operating apparatus |
| 11/12/1987 | DE3611432A1 Swivel drive for a rotatable platform or suchlike supporting device, in particular for the swivelling bolster of a swing loader |
| 11/10/1987 | US4705450 Single engine excavator with remote control |
| 11/10/1987 | US4705449 Skid-steer vehicle |
| 11/10/1987 | US4705295 Material handling vehicle stabilizer |
| 11/10/1987 | US4705288 Load distributor with articulated ground support |
| 11/10/1987 | US4704915 Valve control lockout |
| 11/05/1987 | DE3614466A1 Control system for a construction machine |
| 11/04/1987 | EP0244000A1 Device to move the legs of a clamber excavator |
| 11/04/1987 | EP0129550B1 Earth-working machine |
| 11/03/1987 | US4704251 Silicon carbide particles in iron matrix |
| 10/22/1987 | WO1987006287A1 Automatic transmission of wheel loader |
| 10/20/1987 | US4700802 Material handling vehicle having remote transmission controller |
| 10/15/1987 | DE3711239A1 Device for securing movable loading devices (chargers) |
| 10/15/1987 | DE3710402A1 Bucket-less bladed excavator wheel - has blades secured by torsionally-rigid brackets to edge ring and wheel body |
| 10/14/1987 | CN86102132A Hydraulic circuit system for use in hydraulically operated vehicles |
| 10/13/1987 | US4699561 Engine interlock control system for a material handling implement |
| 10/13/1987 | US4699239 Driving control device of a crawler type tractor |
| 10/08/1987 | WO1987005968A1 Apparatus for controlling the engine of wheeled construction machine |
| 10/08/1987 | DE3611455A1 Hydraulically controllable, mobile machine, in particular an excavator |
| 10/08/1987 | DE3611269A1 Support-foot swivelling device in work vehicles |
| 10/06/1987 | US4697418 Control system for hydraulically-operated construction machinery |
| 10/06/1987 | CA1227725A1 Load control system |
| 10/01/1987 | EP0229083A4 The determining of the amount of material delivered each operational cycle of a shovel loader. |
| 09/30/1987 | EP0238719A1 Self-propelled utility vehicle to which various machines can be attached |
| 09/29/1987 | US4696607 Slurry trench method and apparatus for constructing underground walls |
| 09/24/1987 | WO1987005649A1 Dredger |
| 09/24/1987 | DE3626454A1 Levelling shovel for sand |
| 09/23/1987 | EP0037838B1 Method of controlling internal combustion engine and hydraulic pump system |
| 09/22/1987 | US4694731 Load compensated valve |
| 09/16/1987 | EP0236750A2 Hydraulic system |
| 09/16/1987 | CN87100435A Hydaulic device for engineering mechanism |
| 09/16/1987 | CN86108701A Control system of hydraulic constructional mechanism |
| 09/10/1987 | DE3607138A1 Hydraulic system with a control device |
| 09/09/1987 | EP0235545A2 Hydraulic drive system |
| 09/09/1987 | CN86101977A Method for controlling output of internal combustion engine or variable pump drived by it or both of them |
| 09/08/1987 | CA1226434A1 Two piece cutting edge construction |
| 09/03/1987 | DE3601062A1 Underwater tracked vehicle with hydraulic thruster drive |
| 09/01/1987 | US4690461 Cutting head for strip mining apparatus |
| 09/01/1987 | US4689903 Earth digging machine for use on soft or undulating terrain, particularly for the clearing of ponds, swamps or canals |
| 08/27/1987 | DE3605649A1 Control device with a pump driven by an adjustable speed engine |
| 08/25/1987 | US4688470 Compensated fluid flow control valve |
| 08/19/1987 | EP0232683A1 Hydraulic control system for working members of earth-moving machines with centralized braking of the actuators |
| 08/19/1987 | EP0232468A1 Cutter head tooth |
| 07/30/1987 | DE3541509A1 Front or rear loader with hydraulic implement actuation |
| 07/29/1987 | EP0230258A2 Vertically adjustable steering column |
| 07/29/1987 | EP0230256A2 Operating console with control levers |
| 07/22/1987 | EP0229083A1 The determining of the amount of material delivered each operational cycle of a shovel loader. |
| 07/21/1987 | US4680929 Swivelling working vehicle |
| 07/16/1987 | WO1987004220A1 Method for reducing the piston speed, especially in the piston and cylinder assemblies of an excavating machine, and device for carrying out the method |
| 07/16/1987 | WO1987004201A1 An arrangement in a drivable excavator |
| 07/15/1987 | EP0228707A1 Control system of hydraulic construction machinery |
| 07/14/1987 | US4679635 Self-tripping rippers |
| 07/14/1987 | US4679492 Compensated fluid flow control valve |
| 07/14/1987 | US4679336 Earth moving machine |
| 07/08/1987 | EP0227716A1 Switching arrangement for the hydraulic supply of aggregate of a loader. |
| 07/07/1987 | US4678236 Apparatus for working deposits by the open-cast working process |
| 07/02/1987 | WO1987003862A1 Device for transporting load units |
| 07/01/1987 | EP0227143A1 Device for the connection of a spud guide to a vessel |
| 06/30/1987 | US4677579 Suspended load measurement system |
| 06/30/1987 | US4677555 Method and equipment for automatic guidance of earthmoving machines and especially machines for laying drainage elements |
| 06/30/1987 | US4676014 Excavator tooth |
| 06/23/1987 | US4675485 Handgrip having dead-man-switch action for construction equipment |
| 06/10/1987 | EP0224478A1 Load sensing circuit of load responsive direction control valve. |
| 06/09/1987 | US4671000 Bucket teeth |
| 06/09/1987 | CA1222622A1 Method and device for collecting data about the laying depth of a flexible conduit in the course of its burial |
| 06/04/1987 | DE3542665A1 Tool for removing rock and minerals and method of producing it |
| 05/27/1987 | EP0223766A1 Mobile loading and clearing device, in particular for a wheel bucket excavator |
| 05/26/1987 | CA1222222A1 Light truck, intended for rapid intervention, having a scoop excavator |
| 05/20/1987 | EP0222545A1 Excavating tooth and lock |
| 05/20/1987 | CN86106816A Controlling system of hydraulic pressure architectural machinery |
| 05/20/1987 | CN86106036A Hydraulically operated loop apparatus for operating reversal valve |
| 05/19/1987 | US4666214 Earth working tool bit and block assembly |
| 05/19/1987 | US4665801 Compensated fluid flow control valve |