| 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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| 12/27/1988 | US4793238 Control signal blocking direction control valve in load-sensing circuit |
| 12/27/1988 | US4793183 Automated positioning/drawing system and method of use |
| 12/20/1988 | US4792052 Apparatus for controlling the number of revolutions of an engine |
| 12/20/1988 | US4791738 Dragline bucket |
| 12/20/1988 | US4791737 Excavator |
| 12/20/1988 | CA1247169A1 Locking device |
| 12/13/1988 | US4791549 Boom control system |
| 12/13/1988 | US4790400 Stepping vehicle |
| 12/13/1988 | CA1246497A1 Method for feeding hydraulic fluid, both continuously and by means of controlled impulses, to activate a hydraulic lift working normally in a continuous mode, and apparatus forthe implementation of said method |
| 12/06/1988 | CA1245855A1 Wearing surface |
| 12/01/1988 | DE3815780A1 Hydrostatic-mechanical power-shift transmission with a continuous effect |
| 11/30/1988 | EP0292473A1 Method for reducing the piston speed, especially in the piston and cylinder assemblies of an excavating machine, and device for carrying out the method. |
| 11/17/1988 | WO1988008931A1 Load responsive system having synchronizing systems between positive and negative load compensation |
| 11/17/1988 | EP0291027A1 Removal device |
| 11/17/1988 | DE3725726C1 Ditching roller on contractors plant - incorporates segments screwed to cutter shaft to form disc |
| 11/10/1988 | DE3714666A1 Control system for the work-performing hydraulics of a motor vehicle, especially one which can be used in agriculture and civil engineering |
| 11/09/1988 | CN88200032U Movable teeth type reamer for dredger |
| 11/08/1988 | US4782607 Removable bucket tooth assembly |
| 11/02/1988 | EP0288842A1 Coupling between the air pressure system on board of a floating dredger with the air pressure pipes arranged on the suction pipe |
| 11/01/1988 | CA1244064A1 Ripping bucket arrangement |
| 10/26/1988 | EP0288314A1 Apparatus and method for controlling a hydraulic excavator |
| 10/26/1988 | EP0287670A1 Driving control apparatus for hydraulic construction machines |
| 10/25/1988 | US4779481 Adjustable two-pedal swing control apparatus |
| 10/25/1988 | US4779416 Control system for front end loader boom and bucket operating systems |
| 10/25/1988 | CA1243695A1 Ditcher chain tooth |
| 10/19/1988 | EP0287529A1 Hydraulic circuit with a booster circuit for operating the working members of earth-moving machines |
| 10/19/1988 | EP0286649A1 Proportional valve control apparatus for fluid systems. |
| 10/11/1988 | US4776751 Crowd control system for a loader |
| 10/11/1988 | US4776750 Remote control system for earth working vehicle |
| 10/11/1988 | US4776211 Uplift sensor |
| 10/11/1988 | US4776164 Hydraulic-electric control circuit for earth-moving machine main engine |
| 10/11/1988 | US4776114 Teeth on a tooth |
| 10/11/1988 | US4776113 Corner guard system having a replaceable corner tooth |
| 10/11/1988 | CA1243059A1 Dipper tooth tip and adapter |
| 10/11/1988 | CA1242976A1 Material handling vehicle stabilizer |
| 10/06/1988 | WO1988007632A1 Load responsive system using load responsive pump control of a bypass type |
| 10/06/1988 | DE3710285A1 Apparatus for extracting contaminated earth |
| 10/06/1988 | DE3710284A1 Apparatus and method for extracting contaminated earth |
| 10/06/1988 | DE3710283A1 Apparatus for extracting and removing contaminated earth |
| 10/05/1988 | EP0285281A1 Safety device intended for equipping a self-propelled appliance having stabilizers, especially a public works appliance of the shovel-loader type |
| 10/05/1988 | EP0285182A1 Stabilizing device for a vehicle, particularly a rescue vehicle with an extensible rotating ladder |
| 10/04/1988 | US4775286 Hydraulic hose routing for tractor-mounted backhoe |
| 10/04/1988 | US4775189 Bushing plate cutter |
| 10/04/1988 | US4774921 Auto-decelerator system |
| 10/04/1988 | CA1242673A1 Device for cross-country vehicles or machines |
| 09/28/1988 | CN87215035U Removable rake teeth assembling structure |
| 09/27/1988 | US4773814 Earth moving machine |
| 09/27/1988 | US4773369 Method of controlling an output of an internal combustion engine and/or a variable displacement hydraulic pump driven by the engine |
| 09/27/1988 | US4773302 Control apparatus and proportional solenoid valve control circuit for boom-equipped working implement |
| 09/27/1988 | US4773219 Hydraulic drive system |
| 09/27/1988 | US4773217 Earthmoving machine |
| 09/27/1988 | CA1242475A1 Locking mechanism for earth excavation teeth |
| 09/21/1988 | EP0191017B1 Linkage arrangement for a loader-type vehicle |
| 09/21/1988 | EP0166771B1 Excavator |
| 09/20/1988 | US4772151 Pivot assembly |
| 09/20/1988 | US4772150 Hinge pin assembly |
| 09/20/1988 | US4771855 Backhoe vehicle |
| 09/20/1988 | CA1242261A1 Remote transmission controller |
| 09/15/1988 | DE3724984C1 Pivotable shovel of a mobile implement |
| 09/15/1988 | DE3706931A1 Track-laying vehicle |
| 09/13/1988 | US4770253 Grader blade with tiered inserts on leading edge |
| 09/13/1988 | US4770083 Independently actuated pressure relief system |
| 09/13/1988 | US4769991 Balanced hydraulic propulsion system |
| 09/06/1988 | US4768917 Loader boom mechanism |
| 09/06/1988 | US4768339 Hydraulic drive system |
| 09/06/1988 | US4768297 Trenching wheel, more especially for digging trenches |
| 08/31/1988 | EP0280003A1 Device in a bucket wheel |
| 08/25/1988 | WO1988006242A1 Control lever with load force feedback |
| 08/24/1988 | EP0279362A1 Hydraulic system |
| 08/24/1988 | EP0279356A1 Hydraulic system for a construction machine |
| 08/24/1988 | EP0279338A1 Grader blade with tiered inserts on leading edge |
| 08/24/1988 | EP0279152A1 Method and device for controlling the hydraulic system of an excavator |
| 08/24/1988 | EP0171392A4 Load responsive system. |
| 08/18/1988 | DE3704452A1 Hydraulic system for an excavator |
| 08/17/1988 | EP0277946A1 Compensated fluid flow control valve |
| 08/16/1988 | US4763543 Transmission for a working vehicle |
| 08/16/1988 | US4763473 Arrangement for operating a diesel hydraulic drive |
| 08/11/1988 | WO1988005937A1 Operation controller |
| 08/11/1988 | WO1988005871A1 Transmission gear for travelling hydraulic motors |
| 08/11/1988 | WO1988005847A1 A quick coupling means for a working implement of an excavating machine |
| 08/11/1988 | WO1988005845A1 Front frame of wheeled loader |
| 08/11/1988 | DE3702606A1 Device for attaching an implement to a boom of a vehicle |
| 08/10/1988 | EP0277602A2 Hydraulic system for power actuator control in vehicles |
| 08/10/1988 | CN87106788A Driving and controlling device for hydraulic building machine |
| 08/09/1988 | US4762184 Digging point assembly |
| 08/09/1988 | US4761900 Excavating tooth assembly |
| 08/03/1988 | EP0277077A1 Blade to be mounted on a fork lift truck |
| 08/03/1988 | EP0276222A1 Compensated fluid flow control valve. |
| 08/03/1988 | EP0276221A1 Compensated fluid flow control valve |
| 08/02/1988 | US4761021 Stabilizer pad for earthmoving apparatus |
| 07/28/1988 | WO1988005483A1 Positive keeper means for pins of earthworking tips |
| 07/27/1988 | EP0275969A2 Control device for a hydrostatic transmission for at least two users |
| 07/26/1988 | US4759664 Method of building or restoring marshes and beaches |
| 07/26/1988 | US4759183 Control arrangement for at least two hydraulic loads fed by at least one pump |
| 07/25/1988 | EP0215909A4 Boom control system. |
| 07/19/1988 | US4757685 Pressure responsive hydraulic control circuit |
| 07/19/1988 | CA1239428A1 Trailing arm suspension |
| 07/14/1988 | WO1988005103A1 Vortex stream dredge and method |
| 07/12/1988 | CA1239025A1 Method and equipment for automatic guidance of earthmoving machines and especially machines for laying drainage elements |
| 07/07/1988 | DE3702255A1 Drum reclaiming appliance |