Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
12/2000
12/06/2000CN2409192Y Digging vehicle with rotary digging and conveying part
12/06/2000CN2409191Y Digging vehicle with rotary digging and conveying part
12/05/2000US6155648 Power buggy
12/05/2000US6154989 Attachment construction for earthworking implement
12/05/2000US6154988 Machine for digging under pipes and caterpillar traction device
12/05/2000US6154987 Cutting tooth for a trencher chain
11/2000
11/30/2000WO2000072470A1 Real-time surveying/earth moving system
11/30/2000DE19920115A1 Distance and guide device for excavator tools has distance arrangement with attachment mechanism for attaching it to excavator tool, guide arrangement attached to distance arrangement
11/30/2000CA2273555A1 Earth working device for a tractor
11/29/2000EP1055489A2 Process for determing the operational life and state of a hydraulic impact assembly
11/29/2000EP1055033A1 Method for working through ground and rock layers with dredgers or excavators and apparatus operating according to this method
11/29/2000EP1055032A1 Bucket
11/29/2000CA2309517A1 Material handling vehicle
11/28/2000US6152425 Boom mounted winch
11/28/2000US6152253 Drive train system for a construction-type vehicle
11/28/2000US6152239 Ergonomic electronic hand control for a motor grader
11/28/2000US6152238 Control and method for positioning a tool of a construction apparatus
11/28/2000US6152237 Method for automatically controlling the articulation angle of a motor grader
11/28/2000US6151811 Retractable assembly for trenchers and walk-behind power units
11/28/2000US6151810 Connecting device of soil removing member for excavator
11/28/2000US6151784 Attachment for construction machine
11/23/2000WO2000070155A1 Connection apparatus
11/23/2000WO2000054916B1 Heavy duty demolition apparatus with replaceable crushing and shearing tip
11/23/2000DE19939796C1 Earthworking machine e.g. hydraulic excavator, has weight of excavator arm and shovel compensated during excavator arm movement by variable compensation pressure
11/23/2000DE19923680A1 Verfahren zur Ermittlung der Betriebsdauer und des Einsatz-Zustands eines hydraulischen Schlagaggregats, insbesondere Hydraulikhammer, sowie Vorrichtung zur Durchführung des Verfahrens Method for determining the operating time and the use of state of a hydraulic percussion device, in particular hydraulic hammer, and device for carrying out the method
11/22/2000EP1054162A1 Hydraulic driving unit
11/22/2000EP1053916A1 Gas generator for multi-stage air bag and air bag device
11/22/2000CN2407043Y Underwater floating slurry loosener
11/22/2000CN2407042Y Sand dunes bulldozer
11/22/2000CN2407041Y Width extender for bulldozer
11/21/2000US6149374 Releasable locking mechanism for a liftarm of a machine
11/21/2000US6149349 Apparatus and method for extracting and replacing buried pipe
11/21/2000US6149348 Tool for burying hose
11/21/2000US6148549 Machine for uncovering a pipeline and operating element
11/20/2000CA2272485A1 Conveyor attachment
11/19/2000CA2308607A1 Excavating equipment
11/16/2000WO2000068519A1 Bucket converter for an excavation bucket
11/16/2000WO2000068518A1 Method and apparatus for enhancing dragline dump rope life
11/15/2000CN1273308A Device for joing dismountable dredging parts with dredger
11/14/2000US6148254 Method and apparatus for controlling a bucket and thumb of a work machine
11/14/2000US6146082 Hydraulic swivel connector, excavating machine and method of use
11/14/2000US6145223 Dredging apparatus
11/09/2000WO2000066840A1 Centrifugal thrower-crusher for aggregates and other materials
11/09/2000DE10014801A1 Grading tool fitting for excavator has a scraper blade supported under a mounting and having two orthogonal tilt axes
11/08/2000EP1050630A2 Salt-collecting device
11/07/2000US6142724 Front loader attaching structure
11/07/2000US6141892 Apparatus for limiting chain wear
11/02/2000WO2000064231A2 Features of main control computer for a power machine
11/02/2000EP1048792A1 Arrangement for connecting wear members to tools mounted on construction machines
11/02/2000EP1048791A2 Segregator bucket
11/02/2000EP1048790A2 Connecting piece
11/02/2000CA2369813A1 Features of main control computer for a power machine
11/01/2000CN1272157A Cab for construction machinery
10/2000
10/31/2000US6140787 Method and apparatus for controlling a work implement
10/31/2000US6139223 Trench filler
10/31/2000US6139212 Coupler for excavating machines and the like having fixed and moveable jaws
10/31/2000US6138833 Placer gold mining method, placer gold mining boat used in this method, placer gold digging and separating method and system therefor, and placer gold separating method and system therefor
10/26/2000WO2000037887A3 Rotatable implement depth control apparatus
10/26/2000DE10012431A1 Coordinated control device for load handling plant tool e.g. for fork lift truck, modifies linear and angular velocity components of required velocity of load handling element dependent on movement path error
10/25/2000EP1045941A1 Mobile loading machine with front loading equipment
10/25/2000CN2402576Y Creeper tread adapted for small pitch bulldozer
10/24/2000US6135567 Rotatable implement depth control apparatus
10/24/2000US6135290 Sifter attachment for excavating machines and the like
10/24/2000US6134816 Hydraulic excavator with coupling pin access
10/24/2000US6134815 Monitoring device for motor-driven underwater grab bucket dredge gear
10/19/2000WO2000061485A1 Grapple with universal attachment
10/18/2000EP1045074A2 Electric earth-moving vehicle particularly for poorly ventilated locations
10/17/2000US6132163 Boom arm linkage mechanism
10/17/2000US6132131 Attachment mounting/demounting device in working machinery
10/17/2000US6132130 Excavator hitch
10/17/2000CA2306176A1 Segregator bucket
10/12/2000WO2000060177A2 Energy conservation system for earth-moving loading machines
10/12/2000DE19915608A1 Bent piece system for connecting suction pipe with opening in hull of hopper dredger
10/12/2000CA2268613A1 Proximity alarm for an apparatus for excavating with pressurized liquid
10/10/2000US6131061 Apparatus and method for preventing underdigging of a work machine
10/10/2000US6129298 Concrete pulverizer with adjustable ripping element
10/10/2000US6129158 Hydraulic system for bulldozer
10/10/2000US6129156 Method for automatically moving the blade of a motor grader from a present blade position to a mirror image position
10/10/2000US6129155 Method and apparatus for controlling a work implement having multiple degrees of freedom
10/10/2000US6128838 Heated bucket system
10/05/2000WO2000058569A1 Shovel
10/05/2000WO2000058567A1 Load handling apparatus and vehicle including such apparatus
10/05/2000WO2000058566A1 Suction excavator
10/05/2000WO2000058565A1 Variable float system
10/04/2000EP1040232A1 Regulating device for a moveable tool of a mobile machine
10/03/2000US6126016 Screening device and apparatus including same
10/03/2000US6125561 Method for automatic loading of a scraper bowl
10/03/2000US6125560 Dredging apparatus
09/2000
09/27/2000EP1039041A1 Method for positioning a digging tool relative to a vessel, and vessel with digging tool
09/27/2000EP1039040A1 Attachment fixture of power shovel
09/27/2000EP0933479A4 Machine for digging under pipes and caterpillar traction device
09/27/2000CN2398336Y Deep soil hole digging machine
09/26/2000US6123501 Wear-compensating universal quick coupling device for heavy equipment attachment
09/26/2000US6123156 Mid-chassis plow or scrapper angling support
09/26/2000US6122848 Hydraulic drive type working vehicle
09/21/2000WO2000055435A1 Arrangement for lifting or lowering a crane jib or the like in an excavator or similar lifting apparatus
09/21/2000WO2000055434A1 Excavator tool and bucket
09/21/2000WO2000054916A1 Heavy duty demolition apparatus with replaceable crushing and shearing tip
09/21/2000DE19963691A1 Coupling for tool suspension on excavator boom etc.
09/21/2000DE10007433A1 Controller for working machine tool has joystick, tool position sensors, controller, valve arrangement that receives valve signal and delivers controlled flow to hydraulic cylinders