Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
08/1999
08/31/1999US5944452 Heavy duty foundation installation apparatus and method
08/31/1999US5944447 Underwater pipeline entrenching apparatus and method of using the same
08/31/1999US5943798 Method of and apparatus for trenching
08/31/1999US5943797 Excavating machine with conveyor assembly
08/26/1999WO1999042670A1 A combination of an excavator and a tool which is coupled to an excavator boom
08/25/1999EP0937827A1 Motor vehicle with telescopic loader arm
08/25/1999EP0937826A2 Quick change attachment for powered auxiliary tool
08/25/1999EP0937675A1 Monitoring device for underwater motorgrab
08/25/1999EP0809735B1 Slewing mechanism for an excavator grab
08/25/1999EP0626025B1 Lock assembly for wearable structure
08/25/1999CN2334804Y Wide land leveler
08/24/1999US5941921 Tactile control system
08/24/1999US5941658 Cross-slope level control for mobile machinery
08/24/1999US5941330 Operator enclosure
08/24/1999US5940996 Material ejecting loader bucket
08/24/1999US5940971 Metal cutting shear with inner bolt support for indexable blade insert
08/19/1999WO1999041463A1 Method for working through ground and rock layers with dredgers or excavators and apparatus operating according to this method
08/19/1999DE19806086A1 Tong scoop for transporting leaves, ash and other loose materials
08/18/1999CN2333759Y Dirt suction device for swimming pool
08/17/1999US5938399 Skid steer loader rotatable attachment
08/17/1999US5937551 To be mounted on earth moving equipment
08/12/1999WO1999040263A1 Machine for displacing grindstones
08/11/1999EP0817891B1 Bucket for a mechanical excavator
08/10/1999US5936185 Mine disposal device and disposal method
08/10/1999US5935192 System and method for representing parameters in a work site database
08/10/1999US5935183 Method and system for determining the relationship between a laser plane and an external coordinate system
08/10/1999US5934861 Collection of lumber pieces from spaced stacks
08/10/1999US5934147 Linkage arrangement
08/09/1999CA2272858A1 Subaerial dredge
08/05/1999DE19803340A1 Open cast mining bucket wheel excavator with balance boom and track
08/05/1999DE19802458A1 Ship mounted hoist
08/04/1999EP0933479A1 Machine for digging under pipes and caterpillar traction device
08/04/1999EP0932729A1 Skid steer loader vehicle
08/04/1999CN2331707Y Bucket bottom of electric dipper
08/04/1999CN2331706Y Steam trap
08/03/1999US5933346 Bucket depth and angle controller for excavator
08/03/1999US5931235 Cutter head, boring jig and device and process for sea bottom boring
08/03/1999US5930923 Method for operation to excavate underdrain in the field ground and a device for operation to excavate underdrain
08/03/1999CA2165151C Tool actuator with adjustable attachment mount
07/1999
07/28/1999EP0754264B1 Method and vessel for treating an underwater bed
07/28/1999EP0707118B1 Aera limiting digging control device for a building machine
07/28/1999CN2330709Y Cutter position moving device for small dredge boat
07/28/1999CN2330708Y Sludger for small dredge boat
07/28/1999CA2228103A1 Box-type earth scraper
07/27/1999US5927933 Retractable thumb
07/27/1999US5927665 To a boom
07/27/1999US5926958 Metal cutting shear and piercing tip therefor
07/27/1999CA2163507C Bearing retainer assembly
07/27/1999CA2133267C Valve control unit for hydraulic actuator
07/22/1999WO1998030758A8 Machine for uncovering a pipeline and operating element
07/22/1999DE19813542C1 Compartment and support shield for bridge laying tank
07/22/1999DE19800164A1 Mobile Lademaschine mit Frontladeausrüstung Mobile loading machine with front-loading equipment
07/21/1999EP0930401A2 Excavator bucket
07/20/1999US5925085 In a site coordinate system
07/20/1999US5924837 Extensible telescopic machine part
07/20/1999US5924516 Electronic controls on a skid steer loader
07/20/1999US5924496 Variable blade pitch adjustment mechanism
07/20/1999US5924493 Cycle planner for an earthmoving machine
07/20/1999US5924222 Trench wall cutter
07/15/1999WO1999035462A1 Monitoring arrangement for a multi-element boom
07/15/1999WO1999035345A1 Excavation apparatus and a method of use thereof
07/15/1999WO1999035344A1 Mobile loading machine with front loading equipment
07/15/1999DE19800121A1 Trenching etc. excavator with slew and tipping boom
07/14/1999EP0928848A1 Suction head for a dredging apparatus
07/13/1999US5921743 Dump attachment
07/08/1999WO1999034164A1 Land mine exploding apparatus and method
07/07/1999EP0927871A1 Device for determining difference in levels
07/07/1999EP0927286A1 Dredging apparatus
07/07/1999EP0927285A1 Excavation bucket incorporating an impact actuator assembly
07/07/1999CN2327724Y Peripheral mud remover
07/07/1999CN2327723Y Automatic underwater dredger
07/06/1999US5918923 Pipe laying attachment for hydraulic equipment
07/06/1999US5918694 Of a vehicle
07/06/1999US5918682 Method for determining a steering technique for an earth moving machine
07/06/1999US5918527 Locus control system for construction machines
07/06/1999US5918390 Bucket for a mechanical excavator
07/06/1999US5918389 To adapt an earth-working bucket used in scraping, leveling and grading dirt
07/06/1999CA2173396C Combined loader self-leveling implement tilt linkages for effecting true level and enhanced roll back and dump characteristics throughout lift range of loader
07/01/1999WO1999032732A1 Bucket
06/1999
06/30/1999CN2326639Y Automatic powder-feeding device of powder-spraying piling machine
06/30/1999CN2326638Y Drill-bit elevator of rotary pile-digging machine
06/30/1999CN1043918C Hydraulic mining excavator
06/29/1999US5918195 Calibration of a command device in control system
06/29/1999US5917593 Apparatus for use in construction machines for detecting laser beam and displaying information based on the same
06/29/1999US5915914 Loader bucket with spill guard
06/29/1999US5915885 Method for vertical displacement of masses underneath the earth's surface
06/29/1999US5915837 Quick-disconnect coupling device
06/29/1999US5915836 Earth handling apparatus and method
06/29/1999CA2100172C Sweeping appliance for excavators
06/24/1999WO1999031327A1 Regulating device for a moveable tool of a mobile machine
06/24/1999DE19859182A1 Quick drop valve control for hydraulically actuated bulldozer blades
06/24/1999DE19859169A1 Learning system for controlling autonomous earth moving machines
06/24/1999DE19858402A1 Excavation planning using area model for power shovel or bucket machines
06/22/1999US5913604 For sucking material from a bed of a body of water
06/17/1999DE19856375A1 Dragging excavator
06/17/1999DE19854929A1 Excavator with hydraulic drive system
06/16/1999EP0922812A2 Conveying system for a two-phase flow
06/16/1999EP0922811A2 Device for the treatment of longitudinal excavations in soil
06/16/1999CN2324184Y Electric hydraulic earthmoving machine
06/15/1999CA2192027C Loader bucket with spill guard