Patents
Sitemap › E02 - Hydraulic engineering; Foundations; Soil-shifting › E02F - Dredging; Soil-shifting › E02F 3 - Dredgers; Soil-shifting machines
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
07/1998
07/14/1998US5779429 Mechanism allowing quick implement attachment to tractors
07/14/1998US5778572 Wear resistant cutting edge and method for making same
07/14/1998US5778569 Multi-purpose construction vehicle with at least two subframes and a self-aligning bearing between the subframes
07/14/1998US5778568 Carry scraper ships
07/14/1998CA2146613C Curvilinear excavation bucket with fine grading scoop
07/14/1998CA2132640C Hydraulic driven worm gear tilting device for implements attached to an articulated arm
07/09/1998WO1998029615A1 Hydraulic apparatus of bulldozer
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
07/07/1998US5775438 For a skid steer
07/07/1998US5775013 Excavation bucket grading attachment
07/06/1998CA2225083A1 System and method for automatic bucket loading using force vectors
07/02/1998WO1998028507A1 Dismantling method of tank or the like
07/02/1998DE19713487C1 Traction relief device for dredger tool
07/02/1998CA2246401A1 Dismantling method of tank or the like
07/01/1998CN2285325Y Continuous wall bucket with special rib-forming device
07/01/1998CN1186529A Block for mortarless construction of wall
06/1998
06/30/1998US5771980 Soil leveling apparatus with improved frame and hitch
06/30/1998US5771978 Grading implement elevation controller with tracking station and reference laser beam
06/30/1998US5771612 Loader bucket sifting system
06/30/1998CA2117095C A device for quick connection of hydraulic tubings
06/24/1998EP0849406A1 Hydraulic drive system for hydraulic excavator
06/24/1998EP0849403A1 Cutting wheel apparatus for excavating trenches
06/24/1998CN1185508A 沟道壁切割机 Trench wall cutter
06/24/1998CN1185507A Oil Hydraulic driving device for oil hydraulic digger
06/23/1998US5769596 Electrically actuated quick-connect coupler
06/23/1998US5769557 Sealed pin joint assembly
06/23/1998US5769341 Stabilized crushing device
06/23/1998US5769168 Blade tilt angle limiting function for a bulldozer
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
06/16/1998US5765965 Apparatus for in situ installation of underground containment barriers under contaminated lands
06/11/1998WO1998024986A1 Dozing apparatus of bulldozer
06/11/1998WO1998024985A1 Controller of construction machine
06/11/1998WO1998024984A1 Working machine with a breaker
06/11/1998WO1998024983A1 Method and an arrangement for earth separation and loading
06/11/1998CA2242755A1 Control apparatus for a construction machine
06/11/1998CA2221346A1 Apparatus and method for retaining a grader blade
06/10/1998EP0846809A2 Mini-excavator with improved valve arrangement
06/10/1998EP0846216A1 Multi-linked working boom for working machine
06/10/1998EP0650544B1 Coordinated control for a work implement
06/10/1998CN1184191A Control system for construction machine
06/09/1998US5764511 System and method for controlling slope of cut of work implement
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
06/04/1998CA2222338A1 Apparatus and method for coupling for a blade assembly to a vehicle
06/04/1998CA2220190A1 Mini-excavator with improved valve arrangement
05/1998
05/26/1998US5755048 Pavement cutter
05/22/1998WO1998021418A1 An arrangement pertaining to working machines adapted to series coupled lift cylinders
05/22/1998WO1998021417A1 An arrangement pertaining to working machines adapted to a skewing of an implement
05/22/1998WO1998021416A1 An arrangement pertaining to working machines adapted to a lateral movement of an implement
05/20/1998EP0843050A1 Drilling installation comprising a drilling apparatus
05/20/1998DE19647340A1 Compost heap inverter assembly has two adjacent rotary skimmers
05/20/1998CN2282007Y Man power digging car
05/20/1998CN1182155A Material excavating and spreading device
05/19/1998US5752334 Dumping system for a dragline bucket
05/19/1998US5752333 Area limiting excavation control system for construction machines
05/19/1998CA2212119A1 Backhoe dipperstick
05/14/1998WO1998020208A1 Dredging method and dredging apparatus
05/14/1998DE19646602A1 Overhead dredger
05/13/1998EP0841467A1 Rock milling head
05/13/1998EP0841445A1 Concrete crusher
05/13/1998CN1181440A Full-function semi-automatic hydraulic sludge flushing equipment and its construction method
05/12/1998CA2167879C Front end loader tool arm attachment adapted for multi planar movement
05/12/1998CA2035874C Pivot joint for loader linkages and the like
05/06/1998CN1181119A Controller for the scoop flap of a construction machine
05/05/1998US5748097 Method and apparatus for storing the boom of a work vehicle
04/1998
04/30/1998DE19645472A1 Method to form stable excavation in soil and unconsolidated ground
04/29/1998EP0838555A1 Hydraulic roller-compactor
04/29/1998EP0838554A1 Working machine
04/28/1998US5743476 Concrete crusher
04/28/1998US5743342 Grader circle assembly
04/28/1998US5743033 Earthworking machine ground engaging tools having cast-in-place abrasion and impact resistant metal matrix composite components
04/28/1998US5743030 Loader with screening device
04/28/1998CA2156567C Cement mixer
04/28/1998CA2060714C Wear insert
04/23/1998WO1998016692A1 Control device for work machine of hydraulic excavator
04/22/1998EP0837203A1 Stabilized crushing device
04/22/1998EP0837192A1 Method and device for removing material from the seabed
04/22/1998CN2279384Y Walking hydraulic dredging machine
04/22/1998CN1179806A Excavator
04/22/1998CN1179805A Link device for hydraulic shovel
04/21/1998US5741112 Floor and bucket protection device
04/21/1998CA2138815C Loader leveling linkage providing for alteration of its geometry for accommodating different implements
04/16/1998WO1998015690A1 A device and a method for moving an object
04/16/1998WO1998015165A2 Machine for digging under pipes and caterpillar traction device
04/15/1998EP0835964A2 Method of selecting automatic operation mode of working machine
04/15/1998CN2278718Y Soil shifting machine
04/15/1998CN1179194A Device for controlling balldozing blade of bulldozer and method thereof
04/14/1998US5738289 Crusher
04/14/1998US5737993 Method and apparatus for controlling an implement of a work machine
04/14/1998US5737859 Earth leveling apparatus
04/09/1998DE19640757A1 Adaptor to fasten tools etc. to dredgers etc.
04/08/1998EP0833990A1 Slope of cut control system
04/08/1998CN1178566A Swing type hydraulic excavator
04/08/1998CN1178275A Underwater plough in river course
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