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)
08/1998
08/05/1998EP0447511B2 Process and system for monitoring an installation, such as an automobile crane, large excavator or the like
08/04/1998US5787787 Engine/pump control device for loaders
07/1998
07/30/1998WO1998032928A1 Improvements to tractor shovels
07/29/1998EP0855468A1 Roller-crusher
07/28/1998US5785109 Method for casting wear resistant parts
07/28/1998US5784945 Method and apparatus for determining a valve transform
07/28/1998US5784944 Device and method for controlling attachment of construction machine
07/28/1998US5784885 Of a hydraulic pump
07/28/1998US5784883 Method of controlling speed change of hydraulic drive device for vehicle and speed change device
07/28/1998US5784813 For attaching a replaceable implement to an earthworking bucket
07/28/1998US5784812 Method of controlling the positioning of an outfit tilting cylinder mounted on the descending lift frame of movable construction machines
07/23/1998WO1998031940A1 Directional control valve with flow dividing valve
07/23/1998WO1998031926A1 Controller of engine and variable capacity pump
07/23/1998DE19701774A1 Construction vehicle, especially dredger or wheel loader
07/22/1998EP0854241A1 Working machine with turning body
07/22/1998CN1039254C Gland packing
07/21/1998US5782020 Method and equipment for simultaneous excavation and land refill with minimum operating labor
07/21/1998US5782019 High strength earth working tooth
07/16/1998WO1998030760A1 Improved bucket tip retention means
07/16/1998WO1998030759A1 Interference preventing device for two-piece boom type hydraulic excavator
07/16/1998WO1998030758A2 Machine for uncovering a pipeline and operating element
07/14/1998US5778572 Wear resistant cutting edge and method for making same
07/14/1998US5778571 Device and process for bonding wearing parts on an excavator
07/14/1998US5778570 For attachment to an edge of an excavator bucket
07/14/1998US5778569 Multi-purpose construction vehicle with at least two subframes and a self-aligning bearing between the subframes
07/09/1998WO1998029664A1 Apparatus for recovering pressure oil returned from actuators
07/09/1998WO1998029615A1 Hydraulic apparatus of bulldozer
07/09/1998WO1998029276A1 System, method and device for loading and transporting vehicles
07/09/1998WO1998029200A1 Fluid pressure supplying device for vibration generating apparatus
07/09/1998DE19800185A1 Electrohydraulic control system for automatic control of shovel of earth mover
07/09/1998DE19800184A1 Electrohydraulic control system for automatic control of earth mover shovel
07/08/1998EP0608422B1 Operator cabin of bulldozer
07/08/1998CN1186915A Hydraulic pump control system
07/06/1998CA2225083A1 System and method for automatic bucket loading using force vectors
07/01/1998EP0851122A2 Hydraulic pump control system
07/01/1998EP0850555A1 Operating device for a working vehicle
07/01/1998EP0593782B1 Hydraulic circuit device for construction machines
06/1998
06/25/1998WO1998027287A1 Hydraulic circuit for a hydraulic excavator
06/25/1998DE19652922A1 Hydraulikschaltung für einen Hydraulikbagger Hydraulic circuit for a hydraulic excavator
06/24/1998EP0849406A1 Hydraulic drive system for hydraulic excavator
06/24/1998CN1185507A Oil Hydraulic driving device for oil hydraulic digger
06/23/1998US5769557 Sealed pin joint assembly
06/23/1998US5769168 Blade tilt angle limiting function for a bulldozer
06/23/1998US5768973 Hydraulic line and valve assembly for construction vehicle auxiliary implements
06/23/1998US5768947 Implement hand support and control
06/23/1998US5768811 System and process for controlling an excavation implement
06/23/1998US5768810 Method for carrying out automatic surface finishing work with electro-hydraulic excavator vehicle
06/18/1998WO1998026132A1 Control device of construction machine
06/18/1998DE19744772A1 Surface terrain data structure for use by earth moving machine
06/18/1998CA2219920A1 Shot-rock diggability monitor
06/17/1998EP0848113A1 Hydraulic circuit system for hydraulic working machine
06/17/1998EP0558765B1 Hydraulic oil amount change-over controlling device for hydraulic excavator
06/17/1998CN1184899A Hydraulic loop apparatus for hydraulic work machinery
06/16/1998US5765301 Retention apparatus for a ground engaging tool
06/11/1998WO1998024987A1 Control device for construction machine
06/11/1998WO1998024986A1 Dozing apparatus of bulldozer
06/11/1998WO1998024985A1 Controller of construction machine
06/11/1998WO1998024561A1 Switching valve device for vibration generating apparatus
06/11/1998CA2242755A1 Control apparatus for a construction machine
06/10/1998EP0846809A2 Mini-excavator with improved valve arrangement
06/10/1998EP0650544B1 Coordinated control for a work implement
06/10/1998CN1184519A Hydraulic circuit for hydraulically driven working vehicles
06/10/1998CN1184191A Control system for construction machine
06/09/1998US5762475 Automatic solenoid control valve calibration
06/09/1998US5762147 Tractor front mount for implement attachment and use
06/04/1998DE19729819A1 Steuersystem für eine Baumaschine A control system for a construction machine
06/04/1998DE19649826A1 Reducing lifting force required for boom of excavator
06/04/1998CA2220190A1 Mini-excavator with improved valve arrangement
06/03/1998CN1183499A Hydraulic system for working cylinders of construction equipment
05/1998
05/28/1998WO1998022717A1 Hydraulic drive apparatus
05/28/1998WO1998022716A1 Hydraulic drive apparatus
05/28/1998WO1998022664A1 Tooth arrangement
05/28/1998DE19647169A1 Steuervorrichtung für Fahrsystem bei Baufahrzeugen Control device for driving system construction vehicles
05/27/1998EP0844338A2 Hydraulic motor control system
05/27/1998EP0844337A1 Battery-driven hydraulic excavator
05/27/1998EP0789816B1 Energy recovery device
05/27/1998CN1183137A Driving device for hydraulic motor
05/26/1998US5755260 Mono-block control valve with regeneration conduit
05/22/1998WO1998021483A1 Pressure oil feeding apparatus
05/20/1998EP0843050A1 Drilling installation comprising a drilling apparatus
05/20/1998EP0828900A4 Attachment assembly for excavation teeth
05/20/1998DE19710024C1 Arrangement of rotary mechanism for loading jib of mining machine pivotable around vertical axis
05/20/1998DE19645225A1 Three-phase motor
05/20/1998CN2282008Y Earthed protector for digging machine
05/19/1998US5752578 Control apparatus
05/19/1998US5752426 Pilot pressure operated directional control valve and an operating cylinder control apparatus
05/19/1998US5752333 Area limiting excavation control system for construction machines
05/19/1998CA2217511A1 Method and apparatus for operating geography altering machinery relative to a work site
05/14/1998DE19646602A1 Overhead dredger
05/14/1998DE19646444A1 Electro-hydraulic system for mobile working agricultural machines with electronic control unit
05/14/1998DE19646428A1 Valve system with way valve is connectable with two lines leading to user
05/14/1998DE19646345A1 Sheet-piling-driving and extracting machine with hydraulic excavator
05/13/1998EP0841437A1 Rotating dashboard and driver post unit, particularly for bidirectional earth-movers
05/13/1998CN2281367Y Tyre-style extreme moment clutch
05/12/1998CA2035874C Pivot joint for loader linkages and the like
05/05/1998US5746109 Hydraulic system for controlling a mower unit through a raising and lowering mechanism
04/1998
04/30/1998WO1998017873A1 Vibration dampening apparatus for mobile machines
04/30/1998DE19644961A1 Verfahren zum Steuern des Motor-Pumpe-Systems einer hydraulischen Baumaschine A method for controlling the motor-pump system of a hydraulic construction machine
04/29/1998EP0838554A1 Working machine
04/29/1998EP0728263B1 Method of cooling the hydraulic fluid in the working circuit of a construction machine, in particular a hydraulic excavator