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