Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
11/1987
11/17/1987US4706776 Vehicle steering and operating apparatus
11/17/1987US4706762 Grade leveling device
11/12/1987DE3638599C1 Dredging apparatus for dredging light mud
11/12/1987DE3611432A1 Swivel drive for a rotatable platform or suchlike supporting device, in particular for the swivelling bolster of a swing loader
11/10/1987US4704812 Scraper pan with cutting blade
11/10/1987US4704811 Trenching attachment for a backhoe
11/04/1987EP0244125A1 Blade-like attachment for armoured vehicles
11/04/1987EP0243994A1 Device for the displacement of sediment under water and process for the use of such a device
11/04/1987EP0243608A1 Apparatus for making a substantially vertical slot in the soil
11/04/1987EP0129550B1 Earth-working machine
11/03/1987CA1228840A1 Material working machine
10/1987
10/28/1987EP0242514A1 Device for adjusting and shifting a loading installation for a winning element
10/28/1987EP0242437A2 Method for adjusting the penetration range of a skitrack grooming vehicle, and vehicle therefor
10/28/1987CN87102680A Device for the displacement of sediment under water and process for the use of such a device
10/27/1987US4702643 Compaction wheel
10/27/1987US4702524 Continuous mining machine
10/27/1987US4702024 Helical dredge cutter head with scoop-in plates
10/27/1987US4702023 Cutter wheel for a dredge
10/22/1987WO1987006288A1 Bulldozer blade mounting and stabilizing arrangement
10/22/1987DE3712483A1 Antriebsanordnung fuer die schraemkoepfe einer schraemmaschine Drive arrangement for the cutting heads a cutting machine
10/15/1987DE3710402A1 Bucket-less bladed excavator wheel - has blades secured by torsionally-rigid brackets to edge ring and wheel body
10/15/1987DE3612210A1 Overburden conveying plant for uncovering a mineral seam
10/15/1987DE3611191A1 Device for soil compaction
10/14/1987CN87102350A Grader
10/14/1987CN86102132A Hydraulic circuit system for use in hydraulically operated vehicles
10/13/1987US4699562 Extendable dipperstick for excavators and backhoes
10/13/1987US4698926 Hydraulic excavator and compactor bucket therefor
10/13/1987US4698925 Soil reclaiming implement
10/08/1987DE3615068C1 Rope-guided trench-wall grab
10/08/1987DE3611306A1 Rock cutter with supporting device
10/08/1987DE3610666A1 Grader
10/07/1987CN86206764U Scraper with extension digging bucket
10/06/1987US4697509 Auto body crushing device
10/01/1987EP0229083A4 The determining of the amount of material delivered each operational cycle of a shovel loader.
10/01/1987DE3614289A1 Device for closing quick-closure couplings
09/1987
09/30/1987EP0238719A1 Self-propelled utility vehicle to which various machines can be attached
09/29/1987US4696350 Motor grader with saddle mounted to transverse pin on main frame
09/29/1987CA1227367A1 Foldable snow compactor
09/24/1987WO1987005649A1 Dredger
09/24/1987DE3626454A1 Levelling shovel for sand
09/24/1987DE3609372A1 Front loader with adaptable lifting-force pattern
09/24/1987DE3608893A1 Hydraulic levelling device
09/22/1987US4695086 Two-sided grab bucket with plural operating cylinders
09/22/1987US4694915 Slotted wall milling cutter
09/16/1987EP0236692A1 Cutting wheel device
09/15/1987US4693662 Compact excavator
09/15/1987US4693384 Excavator boom derrick
09/12/1987CN86202249U Bucket
09/11/1987WO1987005350A1 Auxiliary unit for road grading
09/10/1987DE3607260A1 Apparatus for laying pipes and pipe suitable therefor
09/08/1987US4692089 Attachment for a back hoe bucket
09/08/1987US4691582 Thin profile rotary actuator with backlash elimination
09/08/1987US4691455 Trenching equipment with hinged side plates
09/08/1987CA1226548A1 Material directing device for an auger scraper
09/08/1987CA1226465A1 Method and device for working of road surfaces
09/08/1987CA1226434A1 Two piece cutting edge construction
09/08/1987CA1226433A1 Apparatus for controlling an earthmoving implement
09/03/1987DE3601062A1 Underwater tracked vehicle with hydraulic thruster drive
09/02/1987EP0233945A1 Device for controlling power shovel
09/01/1987US4690461 Cutting head for strip mining apparatus
09/01/1987US4690030 Mine field clearing apparatus
09/01/1987US4689904 Rub link assembly for dragline bucket
09/01/1987CA1226149A1 Ball screw actuator
08/1987
08/27/1987WO1987005064A1 Boom operated demolition apparatus and method of breaking composite material
08/27/1987DE3605040A1 Apparatus for filling cable trenches
08/26/1987EP0233369A1 Device for constructing trench walls and the like and method for construction of same
08/26/1987EP0233367A1 Motorised grader
08/19/1987EP0232934A1 Apparatus for reclaiming material stored in a heap in a stockyard
08/19/1987EP0232844A1 Front loader
08/19/1987EP0232389A1 Levelling machine
08/18/1987US4687407 Three-point hitch loader
08/18/1987US4686782 Apparatus for operating working element of excavator
08/18/1987US4686767 Metal cutting shear for a backhoe
08/12/1987EP0231784A1 Earth-moving combination device consisting of a milling device and a container
08/12/1987EP0231252A1 Device for displacing material.
08/11/1987US4685742 Equipment for extracting ores from sea beds
08/05/1987EP0230533A1 Excavator
08/05/1987CN86106946A Improved dragline apparatus
08/05/1987CN86100341A Operating device for working component of excavator
08/04/1987US4683959 Blade guide system for grading vehicle with displaceable grading blade
08/04/1987US4683802 Divided flow self-leveling system
08/04/1987US4683767 Rotary actuator with backlash elmination
08/04/1987CA1224919A1 Motor grader broom
07/1987
07/30/1987DE3602213A1 Multi-purpose apparatus for hydraulic excavators and cranes
07/30/1987DE3541509A1 Front or rear loader with hydraulic implement actuation
07/29/1987EP0230308A1 Peat harvester
07/29/1987EP0230072A2 Apparatus and method for brushing
07/29/1987CN86208720U Underwater mud cleaning machine
07/28/1987US4682427 Trench-digger implement carried by a laterally extending boom and drive therefor
07/22/1987EP0229205A1 Bucket excavator
07/22/1987EP0229083A1 The determining of the amount of material delivered each operational cycle of a shovel loader.
07/22/1987CN86100124A Controller for wheeled construction machine
07/22/1987CN85108121A Balloon clamshell device for stripping mud and sands and its manipulation
07/21/1987US4681483 Casting of structural walls
07/21/1987US4681372 Deep sea mining apparatus
07/21/1987US4681264 Enhancing liquid jet erosion
07/21/1987US4680929 Swivelling working vehicle
07/21/1987US4680879 Underwater dredging apparatus and cutter head therefor
07/16/1987WO1987004202A1 Converting linear movement to rotational movement
07/16/1987WO1987004201A1 An arrangement in a drivable excavator