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)
09/1994
09/14/1994EP0615024A2 Load-independent speed control of hydraulic actuators for construction machines
09/14/1994EP0615023A1 Device for rotably assembling an arm or similar to two branches of a fork formed element
09/13/1994US5347448 Multiprocessor system for hydraulic excavator
09/07/1994EP0614016A1 Hydraulic drive unit of hydraulic working machine
09/07/1994EP0613612A1 Agricultural machine, in particular a beet harvester
09/06/1994US5343960 Caterpillar track attachment
09/01/1994WO1994019272A1 Excavating equipment
09/01/1994CA2155312A1 Excavating equipment
08/1994
08/31/1994EP0612916A2 Apparatus for controlling output from engine on crawler type tractor
08/31/1994EP0612892A1 Resilient supporting device for operator cabin
08/31/1994EP0612891A1 Automatic greasing system for construction machines and abnormality detecting method therefor
08/31/1994EP0439457B1 Two pin fastening assembly
08/18/1994WO1994018401A1 Excavating tooth
08/18/1994WO1994018400A1 Work vehicle implement lever lock
08/18/1994WO1994018399A1 Hydraulic driving device for a construction machine
08/17/1994EP0610500A1 Operation room of construction machine
08/16/1994US5338102 Method of mining
08/16/1994US5337847 Four-way levelling mechanism for off-road vehicle
08/16/1994US5337495 Tooth assembly for excavating apparatus
08/09/1994US5335499 Multiple hydraulic actuators with series/parallel operation
08/03/1994EP0608821A1 Electrohydraulic actuator
08/03/1994EP0608422A1 Operator cabin of bulldozer
08/03/1994EP0608415A1 Hydraulic circuit having pressure compensation valve
08/03/1994EP0427865B1 Hydraulic driving device of construction equipment
08/02/1994US5333696 Reversible protector for a work member
08/02/1994US5333533 Method and apparatus for controlling an implement
08/02/1994US5333479 Adaptive engine output mode setting method based on shoe slip
08/02/1994US5333452 Shaft drive hydraulic system and isolated hydraulic system
08/02/1994US5333450 Apparatus for adjusting the working fluid pressure
08/02/1994US5333449 Pressure compensating valve assembly
08/02/1994US5333400 Coupling of drive systems to an accessory or an excavator of the like
08/02/1994CA1331091C Shovel, in particular a leveling shovel
07/1994
07/27/1994EP0608096A1 Control lever assembly
07/26/1994US5331812 Traveling speed changeover device for hydraulic excavator
07/26/1994US5331754 Resilient, ratcheted wedge and spool retaining structure for an excavation tooth
07/26/1994CA2020822C Digging tooth assembly
07/22/1994CA2112929A1 Hydraulic circuit flow control
07/21/1994WO1994016155A1 Four-way levelling mechanism for off-road vehicle _____________
07/20/1994EP0606896A1 Device for unreeling and reeling of elongate membranes
07/19/1994US5329767 Hydraulic circuit flow control
07/13/1994EP0605724A1 Fine operation mode change-over device for hydraulic excavator
07/07/1994WO1994015103A1 Operation valve equipped with pressure compensation valve
07/06/1994EP0411151B1 Hydraulic circuit for working machines
07/06/1994EP0394465B1 Hydraulic driving apparatus
07/05/1994US5326148 Operator compartment protecting device for construction vehicles
07/05/1994US5325733 Work vehicle implement lever lock
07/05/1994US5325615 Attachments for excavating buckets
06/1994
06/29/1994EP0604332A1 Method and device for starting or braking a hydraulic motor driving an assembly of big inertia
06/29/1994EP0603421A1 Inertial body driving unit
06/29/1994CN2170327Y Model LC bucket down guide wheel
06/28/1994US5323687 For a backhoe loader
06/28/1994US5323611 Speed change controller of running hydraulic motor
06/23/1994WO1994013960A1 Hydraulic circuit for turning
06/23/1994WO1994013959A1 Hydraulic regenerator
06/23/1994WO1994013892A1 Gas/liquid accumulator for a level difference measuring apparatus and apparatus for level difference measurement
06/23/1994DE4301745C1 Steering characteristic control system for mobile excavator
06/23/1994DE4243578A1 Hydraulic circuit for garbage truck
06/15/1994EP0601047A1 Hydraulic vibration dampening system for machines provided with tools.
06/14/1994US5321637 Method for measuring the weight of a suspended load
06/14/1994US5320443 Connecting pin
06/14/1994US5320419 Parking brake circuit for hydraulically driven vehicle
06/14/1994US5320186 Draft control system with closed loop drop/raise rate control
06/14/1994US5320025 Moving speed regulator for hydraulically driven work implement
06/14/1994US5319933 Proportional speed control of fluid power devices
06/14/1994US5319932 Power sensing regenerator
06/09/1994WO1994012794A1 Brake device for inertia body driving hydraulic circuit
06/09/1994WO1994012737A1 Swing hydraulic circuit in construction machine
06/09/1994WO1994012362A1 Pipe structure for hydraulic motor for crawler belt driving apparatus
06/07/1994US5318351 Cutting tool bit assembly
06/07/1994US5317871 Circuit capable of varying pump discharge volume in closed center-load sensing system
06/07/1994CA1330116C Implement positioning control system for construction machines
06/01/1994EP0598937A1 Multiprocessor system for hydraulic excavator
05/1994
05/31/1994US5316709 Method of making a dipper stick for an excavator from high strength polymeric composite materials
05/31/1994US5316435 Three function control system
05/31/1994US5315828 Valve assembly for load independent control of multiple hydraulic loads
05/31/1994US5315827 Apparatus for switching flow rate for attachment
05/31/1994US5315826 Hydraulic drive system and directional control valve
05/26/1994WO1994011216A1 A hybrid motor containing an electric motor and a nonelectric motor, especially for use in construction machines
05/25/1994EP0515452B1 Utility vehicle
05/24/1994US5314029 Pyramidal shaped, hardened insert for an agricultural tool
05/24/1994US5313795 Control system with tri-pressure selector network
05/19/1994DE4238991C1 Infinitely variable ratio transmission - is for agricultural or contractor's machinery and includes adjustable cone belt drive and friction clutch
05/18/1994EP0597109A1 Hydraulically driving system
05/18/1994EP0437557B1 Trenching shovel
05/17/1994US5311682 For dredging material from a bottom of a fluid reservoir
05/17/1994US5311681 Retaining mechanism
05/11/1994WO1994010456A1 Hydraulic control valve device and hydaulically driving device
05/11/1994WO1994010455A1 Flow dividing and combining switching device for a plurality of pumps in a load sensing system
05/11/1994WO1994010454A1 Pressure oil supply system having a pressure compensating valve
05/11/1994WO1994010453A1 Load sensing valve
05/11/1994EP0596140A1 Hydraulic driving system
05/11/1994EP0596065A1 Process and tool for removing floor and wall coverings.
05/11/1994EP0404953B1 Controller of construction equipment
05/11/1994DE4335479A1 Detecting inclination of excavations, esp. trench walls - using measurement cell on excavating tool with wireless data transfer to base station
05/10/1994US5310217 For an exposed piston rod
05/04/1994EP0595614A1 Telescopic arm for grab bucket excavator
05/04/1994EP0548239B1 Excavating tool tooth
05/03/1994US5309407 Ultrasonic control unit for a travelling cutter
05/03/1994US5308220 Scoop-and-dump jack for shovel-loader
05/03/1994US5308219 Process for automatically controlling actuators of excavator