Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
12/1998
12/30/1998WO1998044239A3 Overload protector mechanism for shield mechanism of excavating wheel
12/30/1998WO1998044238A3 An ejector mechanism for a silt removal excavating wheel
12/30/1998EP0887490A1 Dismantling method of tank or the like
12/30/1998EP0887476A1 Hydraulic drive system for construction machine
12/30/1998EP0887475A1 Linkage for a power shovel arm
12/30/1998EP0887474A2 Cable operated excavating bucket
12/30/1998CN1203298A Hydraulic drive system for construction machine
12/29/1998US5854988 Method for controlling an excavator
12/29/1998US5853051 For connecting a blade assembly to a frame
12/24/1998DE19726554A1 Excavator with rotating bucket wheel
12/23/1998WO1998039717A3 Excavation apparatus having an air lance, nozzle and vacuum system
12/23/1998CN1202558A Underwater soil cutting transporter
12/22/1998US5851101 Working unit of construction equipment with attachment self leveling function
12/22/1998US5850704 Assembly for the attachment of an accessory to a boom of a working machine
12/22/1998CA2128970C High-speed cutting dredger
12/16/1998EP0883718A1 Dredging apparatus
12/16/1998EP0883717A1 Coupling device for connecting an implement to a working machine
12/15/1998US5848654 For a material moving device
12/15/1998US5848485 System for determining the position of a tool mounted on pivotable arm using a light source and reflectors
12/10/1998WO1998055702A1 Cross-slope level control for mobile machinery
12/09/1998EP0882847A2 Method of measuring the trailing force exerted on a dredging arm during operation of a floating dredge and in particular a hopper suction dredge.
12/09/1998EP0882846A2 Revolving construction machine
12/09/1998CN2299896Y Movable silt sucker for reservoir and river channel
12/09/1998CN1201118A Method for detecting absolute position of stroke sensitive cylinder
12/09/1998CN1201097A Revolving building-machine
12/08/1998US5846026 Method for pipeline padding
12/05/1998CA2206073A1 Heavy duty attachment
12/03/1998WO1998040568A3 Pneumatic excavator
12/02/1998EP0881342A2 Apparatus and method for demolishing a building
12/01/1998US5844800 Shot-rock diggability monitor
12/01/1998CA2143467C Control system for latch that secures loader yoke member to tractor front-end weight bracket or bumper
12/01/1998CA2008607C Wear resistant chain for trenchers
11/1998
11/26/1998WO1998053152A1 Device for detachable coupling of an implement to the operating arm of an excavator
11/26/1998CA2289516A1 Device for detachable coupling of an implement to the operating arm of an excavator
11/25/1998CN2298288Y Dipper dredger capable of walking and drawing
11/24/1998US5839212 Ejector apparatus for an earth moving scraper bowl
11/24/1998CA2120907C Interchangeable dovetailed blades for earth moving equipment
11/24/1998CA2118327C Impact device
11/19/1998WO1998051872A1 Construction machine
11/19/1998WO1998051871A1 Vehicle-born bucket for dosage and mixing
11/19/1998WO1998051395A1 Method and system for cleaning a water basin floor
11/18/1998EP0878585A2 Suction dredger
11/18/1998CN2297484Y Shovel sucking type dredge boat
11/17/1998US5836734 Latching device with detent
11/17/1998US5836089 Excavating equipment fitted with surface clamps
11/17/1998CA2132035C Load transfer and loading device
11/11/1998EP0665918B1 Tiltable hood assembly for an earth working machine
11/11/1998CN1198791A Operation control device for three-joint excavator
11/11/1998CN1198496A Excavation method
11/10/1998US5835874 Region limiting excavation control system for construction machine
11/10/1998US5833012 Scraper and drag attachment
11/10/1998US5833011 Landscaping rake-leveling device
11/10/1998US5832729 Fluid power control apparatus
11/10/1998US5832638 Low draft high yield bucket system for draglines
11/05/1998DE19718861A1 Excavator
11/04/1998EP0875630A1 Construction machine
11/04/1998CN2296369Y Treating device for pumping slurry
11/03/1998US5830752 Apparatus for in-situ soil remediation
11/03/1998US5829949 Dispensing bucket apparatus and dispensing method
11/03/1998US5829337 Method and apparatus for coupling a fluid-powered implement to a work machine
10/1998
10/29/1998DE19717897A1 Quick-change mechanism for working implements
10/29/1998DE19715358A1 Excavator bucket with sieve bars
10/28/1998EP0873452A1 Control for the scoop flap of a construction machine
10/28/1998CN2295799Y high pressure dredger
10/28/1998CN2295798Y Hydraulic excavator
10/27/1998US5827038 Auger Bucket
10/27/1998US5826666 Apparatus and method for controlling a contruction machine
10/27/1998US5826483 Hydraulic heavy equipment
10/22/1998WO1998046835A1 Device for attaching interchangeable items of equipment rapidly, for an excavator
10/22/1998DE4345415C2 Assembly and repair kit with steel cassette
10/21/1998EP0872596A2 Excavation equipment
10/21/1998CN1196428A Method of desilting and treating pollution for city lakes
10/20/1998US5824965 Load transfer and loading device with weight measurement
10/20/1998US5823707 Self-propelled remote-controlled stone crusher designed to operate inside trenches
10/20/1998US5822893 Concrete crushing tongs
10/20/1998US5822892 Working vehicle
10/20/1998US5822891 Work area limitation control system for construction machine
10/20/1998CA2166230C Loader parking stand system
10/20/1998CA2077702C Caterpillar track attachment
10/15/1998WO1998045541A1 Appliance for providing rotational movement of a workpiece
10/15/1998DE19815894A1 Inclination and velocity evaluation method for bulldozer, etc.
10/14/1998EP0870876A2 Excavating method
10/14/1998CN1195732A Method and device for controlling construction machine
10/13/1998US5820332 Heavy duty coupler for attaching an implement to work vehicle
10/13/1998US5819445 Front-end loader accessory attachment with hydraulically actuated pivotal drum assembly
10/08/1998WO1998044239A2 Overload protector mechanism for shield mechanism of excavating wheel
10/08/1998WO1998044238A2 An ejector mechanism for a silt removal excavating wheel
10/08/1998WO1998044207A1 Method and device for dumping dredged materials
10/08/1998WO1998044205A1 Method for monitoring the work cycle of mobile machinery during material removal
10/08/1998WO1998044204A1 Apparatus and method for removing silt from under a body of water
10/08/1998WO1998044078A1 System and method for hydrate recovery
10/08/1998WO1998043900A1 Method of and device for suction transporting
10/08/1998CA2285196A1 System and method for hydrate recovery
10/08/1998CA2253475A1 Method for monitoring the work cycle of mobile machinery during material removal
10/07/1998EP0869224A1 Method and device for dumping dredged materials
10/07/1998CN2293597Y Suction head of underwater dredger
10/06/1998US5819190 Ground leveling control system for a bulldozer
10/06/1998US5816335 Dozing system for use in bulldozer
10/06/1998US5815960 In a digging implement
10/06/1998US5815959 Bucket shaped for reduced heel wear