| 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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| 04/17/1990 | US4917565 Apparatus for controlling posture of front loader |
| 04/17/1990 | US4917509 Flanged bearing and process for producing same |
| 04/12/1990 | DE3834603A1 Construction machine with an attachment |
| 04/12/1990 | DE3834507A1 Construction machine with pivotable boom |
| 04/12/1990 | DE3834505A1 Excavator with driver's cab containing control units |
| 04/11/1990 | EP0362409A1 Hydraulic driving unit |
| 04/11/1990 | EP0362402A1 Method and apparatus for driving hydraulic machine |
| 04/10/1990 | US4915186 Self-propelled work vehicle |
| 04/10/1990 | US4914841 Dredging with a pressurized, rotating liquid stream |
| 04/05/1990 | WO1990003472A1 Slewing and tilting device |
| 04/05/1990 | DE3931547A1 Loeffelbaggerfahrzeug Loeffelbaggerfahrzeug |
| 04/04/1990 | EP0361666A1 Intuitive joystick control for a work implement |
| 04/04/1990 | CN1007447B Hydraulic operated loop apparatus for operating reversal valve |
| 04/03/1990 | US4914593 Method for automatic depth control for earth moving and grading |
| 04/03/1990 | US4913616 Hydraulic implement regeneration system |
| 04/03/1990 | US4912862 Backfill machine |
| 03/29/1990 | DE3932234A1 Bucket-wheel excavator shovel - has cone-tipped chisels outside circle described by bucket teeth |
| 03/28/1990 | EP0359840A1 Method for the determination of the towed load at an agricultural machine |
| 03/28/1990 | EP0359785A1 Pulsating hydraulic drive system |
| 03/28/1990 | CN1040846A Cutter bit and tip |
| 03/27/1990 | US4911504 Cutter bit and tip |
| 03/27/1990 | US4911249 Tool which uses soil as wearing edge |
| 03/22/1990 | WO1990002882A1 Hydraulic driving system with a priority function for hydraulic motors |
| 03/22/1990 | DE3831172A1 Method and apparatus for the (moment) activation of a hydraulic drive, in particular a swivel drive for a hydraulic excavator or the like |
| 03/21/1990 | EP0358927A1 Track-type excavator with a superstructure swivelling on an undercarriage |
| 03/20/1990 | US4910662 Boom control system |
| 03/13/1990 | US4907667 Full-turn type working machine |
| 03/08/1990 | WO1990002268A1 Hydraulic driving apparatus |
| 03/08/1990 | WO1990002267A1 Oil pressure feeder of work machine cylinder |
| 03/08/1990 | WO1990002257A1 Engine output controller in a caterpillar vehicle |
| 03/08/1990 | WO1990002230A1 An implement positioning control system for construction machines |
| 03/07/1990 | EP0356495A1 Automatic implement position control system |
| 03/07/1990 | CN1040247A Cutter bit |
| 03/07/1990 | CN1040244A Cemented carbide tip |
| 03/06/1990 | US4906113 Slew ring bearing |
| 03/06/1990 | US4905386 Process for unearthing hazardous pipeline |
| 02/28/1990 | EP0356067A2 Weighing vehicles |
| 02/27/1990 | US4903420 Mining tooth point |
| 02/22/1990 | WO1990001588A1 Moving speed regulator for hydraulically driven working machines |
| 02/22/1990 | WO1990001587A1 Controller of construction equipment |
| 02/22/1990 | WO1990001391A1 Cutting using high energy radiation |
| 02/21/1990 | EP0277946A4 Compensated fluid flow control valve. |
| 02/21/1990 | EP0276222A4 Compensated fluid flow control valve. |
| 02/20/1990 | EP0276221A4 Compensated fluid flow control valve. |
| 02/13/1990 | US4899841 Leveling assembly for a work vehicle |
| 02/13/1990 | US4899830 Cutting tooth assembly for heavy duty earth working machines |
| 02/13/1990 | CA1265726A1 Compensated fluid flow control valve |
| 02/08/1990 | WO1990001107A1 Cemented carbide tip |
| 02/08/1990 | WO1990001106A1 Cutter bit |
| 02/08/1990 | WO1990001105A1 Cutter bit and tip |
| 02/07/1990 | EP0353799A1 Apparatus for controlling rotational speed of prime mover of construction machine |
| 02/07/1990 | EP0353310A1 Automatic transmission for vehicles |
| 02/06/1990 | US4898078 Hydraulic system for a work vehicle |
| 02/06/1990 | EP0351402A4 Load responsive control system adapted to use of negative load pressure in operation of system controls. |
| 02/06/1990 | CA1265338A1 Mechanical digger toy |
| 02/01/1990 | DE3825338A1 Cutting chain for a trench cutter or the like |
| 01/31/1990 | EP0352654A2 Electrically controlled auxiliary hydraulic system for a skid steer loader |
| 01/31/1990 | EP0352257A1 Control lever with load force feedback. |
| 01/30/1990 | US4896582 Method for reducing the piston speed, especially in the piston and cylinder assemblies of an excavating machine, and device for carrying out the method |
| 01/30/1990 | US4896558 Control handle for a work vehicle |
| 01/30/1990 | US4896445 Method for reducing costs and environmental impact of dredging |
| 01/30/1990 | US4896444 Excavation bucket |
| 01/30/1990 | US4896442 Trencher apparatus |
| 01/25/1990 | WO1990000683A1 Hydraulic driving apparatus |
| 01/25/1990 | DE3922870A1 Device for mounting a shovel bucket by means of the shovel boom |
| 01/24/1990 | EP0351402A1 Load responsive control system adapted to use of negative load pressure in operation of system controls |
| 01/23/1990 | US4895211 Land clearing root plow and soil aerator |
| 01/11/1990 | WO1990000106A1 Synchronized hydraulic hammer arrangement |
| 01/11/1990 | DE3822172A1 Method of protecting a hydraulic circuit from overload |
| 01/10/1990 | EP0181865B1 Hydrostatic vehicle control |
| 01/10/1990 | CN1006405B Digger tooth arrangement |
| 01/09/1990 | US4891893 Dredge cutterhead tooth assembly |
| 01/08/1990 | EP0352257A4 Control lever with load force feedback. |
| 01/08/1990 | EP0337991A4 Load sensing circuit of load responsive direction control valve. |
| 01/08/1990 | EP0297106A4 Load sensing circuit and electrohydraulic control for load compensated directional control valve. |
| 01/08/1990 | EP0224478A4 Load sensing circuit of load responsive direction control valve. |
| 01/03/1990 | EP0349359A1 Torque or moment limiting system for hoisting devices |
| 01/03/1990 | EP0349132A1 Method for automatic depth control for earth moving and grading |
| 01/03/1990 | EP0349092A1 Hydraulic drive system |
| 01/03/1990 | EP0349072A1 A device for fixing or transferring and fixing powder containing thermoplastic resin on to a receiving material |
| 01/02/1990 | US4890974 Easy connection of dipper stick to tool of an earth working machine |
| 01/02/1990 | US4890958 Railroad cable/pipe plow and method therefor |
| 12/28/1989 | WO1989012756A1 Fluid control mechanism for power shovels |
| 12/28/1989 | DE3820757A1 Apparatus for determining the weight of suspended loads |
| 12/28/1989 | DE3818226A1 Substructure for conveying devices, lifting appliances or the like |
| 12/26/1989 | US4889362 Stabilizer pad for earthmoving apparatus |
| 12/26/1989 | US4888890 Laser control of excavating machine digging depth |
| 12/20/1989 | EP0346365A1 Pivot assembly. |
| 12/14/1989 | WO1989012146A1 Wear strips |
| 12/13/1989 | EP0345640A1 Self-levelling device for shovel loaders |
| 12/07/1989 | DE3818177A1 Rotary device for suspended loads |
| 12/06/1989 | EP0344420A1 Hydraulic circuit for power shovel |
| 12/06/1989 | EP0344195A1 A quick coupling means for a working implement of an excavating machine. |
| 12/06/1989 | EP0344167A1 Corner guard system having a replaceable corner tooth |
| 12/05/1989 | US4884939 Self-contained laser-activated depth sensor for excavator |
| 11/30/1989 | WO1989011590A1 Adaptive engine output mode setting method based on shoe slip |
| 11/30/1989 | WO1989011411A1 Hydraulic circuit device of construction vehicle |
| 11/30/1989 | WO1989011407A1 Automatic transmission for wheel loader |
| 11/29/1989 | EP0343191A1 Positive keeper means for pins of earthworking tips. |
| 11/28/1989 | US4883134 Milling machine for cutting trenches |