| 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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| 06/06/1989 | US4836087 Hydraulic control apparatus for vehicle |
| 06/06/1989 | US4835888 Excavating tooth and holder therefor |
| 06/06/1989 | CA1255343A1 Shroud for a digging bucket lip |
| 06/01/1989 | WO1989004894A1 Working machine for construction vehicles and method of operating same |
| 06/01/1989 | WO1989004596A2 Pedestal control console for vehicles |
| 06/01/1989 | DE3736464A1 Bucket for bucket wheel excavator |
| 05/30/1989 | US4834197 Trench cutter |
| 05/30/1989 | US4833798 Hydraulic control for earth working machines |
| 05/24/1989 | DE3838588A1 Bucket with breaking pick, in particular for bucket wheel excavators |
| 05/24/1989 | DE3738802A1 Teilschnittmaschine zum vortreiben von strecken oder tunnels Stretch roadheader to propel from or tunnels |
| 05/24/1989 | DE3737893A1 Bucket for a bucket wheel |
| 05/16/1989 | US4830562 Apparatus for loading and unloading railroad gondola cars |
| 05/16/1989 | US4830050 Fluid control valve |
| 05/11/1989 | DE3734273A1 Working vehicle, in particular front loader |
| 05/10/1989 | WO1989009343A1 Hydraulic driving unit |
| 05/10/1989 | EP0314704A1 Load responsive system using load responsive pump control of a bypass type |
| 05/10/1989 | CN1032830A Corner guard system having a replaceable corner tooth |
| 05/09/1989 | US4829418 Apparatus and method for controlling a hydraulic excavator |
| 05/09/1989 | US4828452 Single engine excavator capable of railroad use |
| 05/09/1989 | CA1253911A1 Method and apparatus for minimizing effect of hard spots in rotating frame structure of mining machine on roller bearings |
| 05/09/1989 | CA1253906A1 Cap tooth |
| 05/05/1989 | WO1989003916A1 Corner guard system having a replaceable corner tooth |
| 05/02/1989 | US4826391 Manipulator arm position sensing |
| 05/02/1989 | US4825960 Synchronized hydraulic hammer arrangement |
| 05/02/1989 | US4825567 Safety device intended for equipping a self-propelled appliance having stabilizers, especially a public works appliance of the shovel-loader type |
| 04/27/1989 | DE3734919A1 Jib with horizontal rope bracing |
| 04/25/1989 | US4823487 Resilient flex pin apparatus for excavating tooth point and adapter assemblies |
| 04/25/1989 | US4823486 Positive keeper means for pins of earthworking tips |
| 04/20/1989 | DE3834787A1 Bucket with breaker bit, in particular for a bucket wheel excavator |
| 04/20/1989 | DE3812875C1 Position-data recording system for hydraulic excavators |
| 04/19/1989 | EP0312130A1 Hydraulic drive system |
| 04/19/1989 | EP0311637A1 Mobile work unit with raisable and lowerable support legs. |
| 04/18/1989 | US4821837 Pedestal control console for vehicles |
| 04/12/1989 | EP0311082A1 Full-turn type working machine |
| 04/11/1989 | US4820041 Position sensing system for surveying and grading |
| 04/11/1989 | CA1252492A1 Locking device for whisler type adapter |
| 04/06/1989 | DE3731734A1 Machine with hydraulic cylinder |
| 04/05/1989 | EP0309987A1 Fluid pressure control system |
| 04/05/1989 | CN2035359U High-efficiency centrifugal soil crusher |
| 04/05/1989 | CN1032203A Dipper teeth of digging machine |
| 04/04/1989 | US4817554 For rendering an earth mover amphibious |
| 03/29/1989 | EP0309064A1 A mobile earth mover having a scraper blade |
| 03/28/1989 | US4815191 Pivot joint assembly |
| 03/23/1989 | WO1989002520A1 Shoe slip control method and apparatus therefor for caterpillar r vehicle |
| 03/21/1989 | US4813491 For attachment to an earthmoving apparatusT?????h)??????????0*0*0*0?0????T |
| 03/15/1989 | EP0306988A2 Hydraulic brake system for a utility vehicle |
| 03/15/1989 | CN2034184U Shovelling blade fixation device for trench digger |
| 03/14/1989 | US4811983 Gas spring with latching stop mechanism for use on skid-steer loaders |
| 03/14/1989 | US4811505 Excavating tooth assembly |
| 03/09/1989 | WO1989002033A1 Load responsive control system adapted to use of negative load pressure in operation of system controls |
| 03/09/1989 | WO1989002010A1 Pressure responsive hydraulic control circuit |
| 03/09/1989 | DE3728207A1 Valve arrangement for two load-regulated pumps driven by a common drive |
| 03/08/1989 | EP0306468A1 Portable driven bucket |
| 03/07/1989 | US4810035 For an industrial vehicle |
| 03/07/1989 | US4809794 Determining of the amount of material delivered each operational cycle of a shovel loader |
| 03/07/1989 | US4809586 Hydraulic system for a work vehicle |
| 03/07/1989 | CA1250764A1 Tolerance compensating joint |
| 02/28/1989 | US4807374 Excavator, in particular self-driving, hydraulic universal small excavator |
| 02/23/1989 | WO1989001548A1 Excavator shovel tooth |
| 02/22/1989 | CN1031270A Hydaulic transmission system |
| 02/16/1989 | DE3726385A1 Apparatus for transporting and/or for installing conveying buckets of bucket wheel excavators |
| 02/15/1989 | EP0302942A1 Front frame of wheeled loader |
| 02/14/1989 | US4805086 Apparatus and method for controlling a hydraulic excavator |
| 02/14/1989 | US4804095 Underwater dredging operation |
| 02/08/1989 | EP0302188A1 Continuously variable hydromechanical power transmission |
| 02/08/1989 | EP0227716B1 Switching arrangement for the hydraulic supply of aggregate of a loader |
| 02/01/1989 | EP0301096A1 Operation controller |
| 01/31/1989 | US4800721 Off)highway vehicle; earthworking/material handling work |
| 01/31/1989 | US4800660 Automatic speed stage changing apparatus for a wheel loader |
| 01/25/1989 | EP0300271A1 Excavator provided with a camera directed towards its rear part |
| 01/24/1989 | US4799823 Plow with readily replaceable wear parts especially adapted for use in a vibratory cable laying machine |
| 01/24/1989 | US4799420 Load responsive control system adapted to use of negative load pressure in operation of system controls |
| 01/24/1989 | US4799398 Safety device for control lever of construction machines |
| 01/24/1989 | CA1249316A1 Shovel dipper bail assembly |
| 01/24/1989 | CA1249202A1 Load sensing circuit of load responsive direction control valve |
| 01/18/1989 | EP0299104A1 Device for hydraulic excavators and cranes |
| 01/17/1989 | US4798511 Method and apparatus for attaching a loader to a tractor |
| 01/17/1989 | US4798126 Load responsive system using load responsive pump control of a bypass type |
| 01/17/1989 | CA1248997A1 Digger tooth arrangement |
| 01/12/1989 | WO1989000248A1 Load sensing circuit of load responsive direction control valve |
| 01/12/1989 | DE3720924A1 Endpiece of grab prong |
| 01/11/1989 | EP0298358A1 Vehicle |
| 01/11/1989 | EP0298083A1 Load compensated valve |
| 01/11/1989 | CN2030625U Wear-preventing slipway of bucket |
| 01/10/1989 | US4797060 Earth-working machine |
| 01/05/1989 | DE3720306A1 Turning device for suspended loads |
| 01/04/1989 | EP0297682A2 Hydraulic drive system |
| 01/04/1989 | EP0297106A1 Load sensing circuit and electrohydraulic control for load compensated directional control valve. |
| 01/04/1989 | EP0205456B1 Device for a maneuver member at a rotable driver's seat |
| 01/04/1989 | CN2030215U Assembly digging teeth |
| 01/04/1989 | CN1030112A Side dumping loader |
| 01/03/1989 | US4794813 Adjustable hydraulic controls for earth-moving equipment |
| 01/03/1989 | US4794708 Trenching machine boom assembly |
| 01/03/1989 | CA1248147A1 Determining of the amount of material delivered each operational cycle of a shovel loader |
| 12/29/1988 | WO1988010341A1 Dragline bucket |
| 12/29/1988 | DE3733951A1 Device for compensating for unevenness of the supporting surfaces and/or for load distribution or load monitoring on a live ring |
| 12/28/1988 | EP0296288A1 Tool for working a medium such as the soil |
| 12/28/1988 | CA1247664A Apparatus for working deposits by the open-cast working process |
| 12/27/1988 | US4793732 Pavement slot cutter |
| 12/27/1988 | US4793462 Material loading apparatus |