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