Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
04/1996
04/17/1996CN1120621A Soil digging machine used under underground obstacle
04/16/1996US5507352 Block apparatus and method for changing dozer blade pitch
04/16/1996US5507107 Hoisting boom assembly
04/10/1996EP0705944A1 Apparatus for adjusting spacing between caterpillar tracks of a working vehicle
04/10/1996EP0705943A1 Blade device
04/10/1996EP0705371A1 Improved bucket with screening device
04/10/1996CN2224226Y Scraping type earth mover
04/10/1996CN2224225Y Caterpillar semi-mounted self scraper
04/09/1996CA2046808C Method for controlling the movement of hydraulically movable work equipment and a path control arrangement
04/06/1996CA2159703A1 Sediment relocation machine
04/04/1996WO1996010116A1 Tilt rate compensating implement system and method
04/04/1996DE4434906A1 Underground excavating shovel
04/04/1996CA2173126A1 Tilt rate compensating implement system and method
04/03/1996EP0704577A1 Quick-coupling for connecting implements to an excavator
04/03/1996CN1119884A Clamshell grab for drilling cylindrical holes
04/03/1996CN1119882A Process and device for precisely maintaining the vertical excavation direction of a subterranean curtain
04/02/1996US5503232 Steering system for a bulldozer
04/02/1996CA2092144C Lift limit device for a load lifting mechanism
04/02/1996CA2067431C Amphibious hydraulic shovels and truck system with vertically adjustable control cabs
03/1996
03/28/1996WO1996008956A1 An equipment for the attachment of an accessory to the boom of a working machine
03/27/1996EP0703321A1 Pivotable implement for construction machinery
03/27/1996EP0702756A1 Safety arrangement on hydraulic piston-cylinder units
03/26/1996US5501570 Anti-rollback mechanism for a loader mechanism of an off-highway implement
03/26/1996US5501024 Power bucket
03/20/1996EP0702111A2 Radial scraper
03/19/1996US5499684 Geographic surface altering implement control system
03/19/1996US5499463 Power shovel with variable pitch braces
03/19/1996CA2081429C Trip system for cam locking latch in a mounting structure for a loader attachment
03/13/1996EP0701027A1 Excavating attachment
03/12/1996US5497569 Groomer attachment for forklifts
03/12/1996US5497568 Integrated group of excavator control assemblies
03/12/1996US5497567 Excavating machine for digging a ditch
03/12/1996CA2093589C Trenching attachment for an earth moving bucket
03/07/1996WO1996006989A1 Swing construction vehicle
03/07/1996WO1996006988A1 Hydraulic circuit for boom cylinder of hydraulic shovel
03/07/1996DE4424739A1 Concrete crushing tongs with first frame=shaped tong jaw
03/06/1996EP0446353B1 Operation automating apparatus of hydraulic driving machine
03/06/1996EP0431011B1 An implement positioning control system for construction machines
03/05/1996US5496131 Tool for road planing cutter
03/05/1996US5495898 Blade control system for motor graders
03/05/1996US5495685 Excavator bucket
02/1996
02/29/1996WO1996006231A1 Method for making a working edge of a working plate and a corresponding working edge of a working plate
02/28/1996EP0698688A1 Machine for removing and breaking pavement
02/28/1996CN1117749A Sensor positioning apparatus for trench excavator
02/27/1996US5494396 Coupling device for a work implement
02/27/1996US5494395 Driving machine with an articulated boom
02/27/1996US5493798 For controlling a work implement of an excavating machine
02/27/1996US5493796 Pipeline padding apparatus
02/27/1996CA2157075A1 Door brake
02/22/1996DE19530323A1 Hydraulic cylinder control system for earth-moving machine working tools
02/21/1996EP0697049A1 Detachable link for an endless cutting or kerfing chain
02/21/1996EP0513393B1 Offset-boom construction machine
02/21/1996CN2220491Y Bulldozer
02/20/1996US5493494 Method and apparatus for operating compacting machinery relative to a work site
02/20/1996US5491914 Bucket equipped with mixing device, excavation machine having the bucket, and soil improvement method using the excavation machine
02/20/1996US5491913 Control system for the suction line relief valve of a hydraulic dredge
02/15/1996DE4439617C1 Equipment for recovering explosive objects in ground
02/13/1996US5490339 Trenching system for earth surface use, as on paved streets, roads, highways and the like
02/07/1996EP0695386A1 Implement coupling for excavator or loader
02/06/1996US5490081 Working tool operation range limiting apparatus
02/06/1996CA2095558C Structure for mounting hydraulic hoses for a power loader
02/06/1996CA1338029C Towed soil leveling system with rear pivoted pulverizing roller
02/01/1996WO1996002708A1 Concrete breaking pliers
02/01/1996WO1996002707A1 Process for exactly positioning the tilting outfit mounted on the descending lift frame of movable construction machines
02/01/1996WO1996002706A1 Power actuator for attachment plate
01/1996
01/31/1996EP0693868A1 Attachment for a grab implement
01/30/1996US5487428 Straight-ahead traveling control system for a bulldozer
01/30/1996US5487230 Tool actuator with adjustable attachment mount
01/30/1996US5487229 Apparatus for pneumatic excavation
01/26/1996CA2143085A1 High visibility coupler for front end loader
01/25/1996DE4418580C1 Excavator shovel complete with swivel cover
01/24/1996CN2218201Y Water power dredger for water reservoir
01/23/1996US5486085 Bladed vehicle with load gripping arms
01/23/1996US5486084 Multiple purpose material handling and working apparatus
01/23/1996US5485885 Dozing system for a bulldozer
01/23/1996US5485689 Bucket crusher
01/18/1996DE4442135C1 Clearance device for moving soil
01/18/1996DE4437300A1 Verfahren und Einrichtung zur lagegerechten Positionierung der an einem abwärts sich bewegenden Hubgerüst einer mobilen Arbeitsmaschine kippbar angeordneten Arbeitsausrüstung Method and device for correct positioning of the down on a moving mast of a mobile machine tilted arranged work equipment
01/18/1996DE4424740A1 Betonbrechzange Concrete-crushing pincers
01/17/1996EP0692580A1 Excavating, sieving and grading device for working crawler
01/17/1996EP0692579A1 Hydraulically actuated backhoe sliding mechanism
01/17/1996CN2217645Y Multi-cutter-disk ejector-tube tunneller
01/16/1996US5484250 Coupling for heavy-duty machine
01/11/1996WO1996000820A1 Hydraulic circuit apparatus for hydraulic excavators
01/10/1996EP0691186A1 Two-joint arm mechanism equipped with bi-articular driving means, and method for drive controlling each of driving means
01/10/1996EP0690943A1 Process and device for precisely maintaining the vertical excavation direction of a subterranean curtain
01/10/1996EP0399043B1 Method of operating a working machine for construction vehicles
01/10/1996CN2217037Y Machine for dredging
01/08/1996WO1996023128A1 Levelling rail
01/03/1996EP0689636A1 Clamshell grab for drilling cylindrical holes
01/03/1996CN2216543Y Soil-shafting machine dipper with loosener
01/02/1996US5480291 Underwater excavation apparatus
01/02/1996US5480276 Three function control mechanism
01/02/1996US5479729 Method and apparatus for controlling excavation eqiupment
12/1995
12/28/1995WO1995035418A1 Concrete demolisher
12/26/1995US5478139 Mobile digging/cutting system
12/26/1995US5478019 Universal breaker
12/26/1995US5477770 Valve control unit for hydraulic actuator
12/26/1995US5477679 Apparatus for controlling revolution speed of prime mover for hydraulically propelled work vehicle
12/26/1995US5477677 Energy recovery device