Patents
Patents for E02F 9 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups (23,883)
12/1990
12/12/1990EP0401328A1 Method of measuring the angle of inclination of trench walls.
12/11/1990US4976106 Load-sensing variable displacement pump controller with adjustable pressure-compensated flow control valve in feedback path
12/05/1990EP0400767A2 Cutting tooth assembly
12/05/1990EP0400040A1 Pedestal control console for vehicles
12/05/1990CA2012784A1 Fast response load sense control system
12/04/1990CA1277386C Self-contained laser-activated depth sensor for excavator
12/01/1990CA2005449A1 Cutting tooth assembly for heavy duty earth working machines
11/1990
11/29/1990WO1990014519A1 Hydraulic circuit apparatus
11/29/1990WO1990014472A1 Independent drive controls for skid steer loader
11/28/1990EP0399090A2 Float for hydraulic engineering works
11/28/1990EP0399043A1 Method of operating a working machine for construction vehicles
11/27/1990USRE33454 Wear runner for excavating bucket
11/27/1990CA1276858C Load compensated valve
11/22/1990DE3915919A1 Control block to position platform on goods vehicle - gives combination of rapid movement and braking functions
11/21/1990CN1010490B Hydraulic circuit for hydraulic engineering machine
11/20/1990US4971844 Powder images, silicone rubbers with vinylsiloxane groups
11/20/1990US4970800 Method and apparatus for grading and measuring a surface having a curved profile
11/15/1990WO1990013762A1 Variable capacity pump controller of hydraulically driven wheel
11/15/1990WO1990013748A1 Hydraulic driving device of construction equipment
11/15/1990WO1990013713A1 Hydraulic circuit apparatus of hydraulic excavator
11/15/1990WO1990013461A1 Working machine with stabilised driver's seat
11/14/1990EP0396731A1 Vehicle
11/13/1990US4969562 Apparatus for suppressing quaky movements of mobile type crane
11/13/1990US4969279 Mobile earth mover having a scraper blade
11/06/1990US4967557 Control system for load-sensing hydraulic drive circuit
11/01/1990WO1990012970A1 Hydraulic motor equipped with reduction gear
11/01/1990WO1990012930A1 Driving control device for vehicle and control method therefor
10/1990
10/31/1990EP0394465A1 Hydraulic driving apparatus
10/31/1990EP0229083B1 The determining of the amount of material delivered each operational cycle of a shovel loader
10/30/1990WO1990013863A1 Control lever assembly
10/30/1990US4966518 Apparatus for controlling posture of front loader
10/30/1990US4966240 Combination backhoe vehicle and bulldozer apparatus
10/30/1990US4965945 Excavating tooth
10/30/1990CA1275715C Proportional valve control apparatus for fluid systems
10/25/1990DE3920956A1 Wearing plate with cylindrical hole bore - has threaded bolt going through and bearing in form of ring or weld steam
10/24/1990EP0393342A2 Hydraulic circuit for backhoe implement
10/24/1990EP0393195A1 Fluid control mechanism for power shovels
10/23/1990US4964779 Vehicle
10/18/1990WO1990012212A1 Hydraulic circuit of closed center load sensing system
10/18/1990WO1990012165A1 Hydraulic driving apparatus of caterpillar vehicle
10/18/1990WO1990012161A1 Swinging device for excavators and other heavy plant
10/17/1990EP0392897A2 Three-parameter optical fiber sensor and system
10/16/1990US4962821 Discrete drive system for a skid steer loader
10/16/1990US4962816 Arrangement for controlling bulldozer blade
10/16/1990CA1275258C Underground clean-up machine
10/13/1990CA2010736A1 Pivoting device for excavators or similar heavy equipment
10/11/1990DE4009979A1 Mast for mobile drilling rig - has support struts which can be extended laterally for stability when drilling
10/11/1990DE3911571A1 Oberwagen eines baggers mit einem zentralrahmen Superstructure of a baggers with a central frame
10/11/1990DE3911006A1 Engine speed control device
10/10/1990EP0391236A2 Driving device for earth-moving machines, in particular for wheel loaders
10/09/1990US4961667 Pivot joint for loader linkages and the like
10/09/1990US4961371 Hydraulic circuit for a backhoe
10/09/1990CA1275125A1 Apparatus for towing a tractor equipped with a front end loader
10/04/1990WO1990011453A1 Hydraulic valve capable of pressure compensation
10/04/1990WO1990011413A1 Hydraulic drive unit for civil engineering and construction machinery
10/03/1990EP0390715A1 Multiple fluidic connection
10/03/1990CN1045750A Vehicle with balancer
10/02/1990US4960341 Articulation joint
10/02/1990CA1274808A1 Transport for heavy loads
10/02/1990CA1274748A1 Balanced hydraulic propulsion system
09/1990
09/26/1990EP0389373A2 Swing reduction gear
09/26/1990EP0389136A1 Float circuit for boom of construction apparatus
09/26/1990EP0388669A1 Roller bearing with a free space in its centre
09/26/1990EP0388641A2 Hydraulic system for earth-moving machines, in particular for loaders, tractors and the like
09/26/1990EP0388568A2 Arrangement for measuring the radioactivity of mineral load on an extraction machine, for instance a shovel dredger
09/25/1990US4958457 Trench digging or root cutting device
09/20/1990WO1990010850A1 Dynamic payload monitor
09/20/1990WO1990010795A1 Hydraulic driving unit for working machine
09/20/1990WO1990010757A1 Parking brake circuit of hydraulically driven vehicle
09/19/1990EP0387927A1 Vehicle equipped with balancing device
09/19/1990EP0171392B1 Load responsive system
09/15/1990CA2010994A1 Dynamic payload monitor
09/15/1990CA2007574A1 Vehicle equipped with balancing device
09/13/1990DE3907134A1 Device for determining the position of a tool arranged at the free end of the articulated boom
09/12/1990EP0386264A1 Engine output controller in a caterpillar vehicle
09/12/1990CN1009567B Hydraulic circuit system for use in hydraulically operated vehicles
09/11/1990US4955664 Vehicle, especially a loader
09/11/1990US4955437 Underground electromagnetic tillage depth sensor
09/11/1990US4955344 Apparatus for controlling rotational speed of prime mover of construction machine
09/11/1990US4955283 Hydraulic circuit for cylinder
09/11/1990CA1273974A1 Corner guard system having a replaceable corner tooth
09/07/1990WO1990010118A1 Tip retainer mechanism
09/07/1990WO1990010117A1 Control unit for upper swivel body of hydraulic excavator
09/07/1990WO1990010116A1 Electronic control type hydraulic driving machine
09/05/1990EP0385393A1 Vehicle transmission with at least two ratios, especially for construction machines, for example tractor shovel
09/05/1990CN1009480B Hydaulic device for engineering mechanism
09/04/1990US4953723 Apparatus for suppressing quaky movements of mobile cranes
08/1990
08/29/1990EP0384737A1 Hydraulic circuit for hydraulic construction and working machine
08/29/1990EP0383913A1 Shoe slip control method and apparatus therefor for caterpillar vehicle
08/28/1990US4952179 Salt mushroom cutting apparatus
08/28/1990US4952116 Rotary dipper stick
08/23/1990WO1990009528A1 Hydraulic circuit for working machines
08/23/1990WO1990009490A1 Connecting pin device for working machine operating links
08/23/1990WO1990009489A1 A caterpillar-driven excavating machine equipped with a separate working tool
08/22/1990EP0383560A1 Operation control method and device for construction machine
08/22/1990EP0383276A1 Hydraulic piping structure for a backhoe
08/21/1990US4950125 "True free fall" hydraulic winch system for converting a "backhoe" to a "crane"
08/21/1990US4949805 Electrically controlled auxiliary hydraulic system for a skid steer loader
08/21/1990US4949802 Hydraulic steering systems dampening devices
08/21/1990US4949481 Digging tooth assembly