| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
|---|
| 03/22/1988 | CA1234372A1 Mechanical grab |
| 03/17/1988 | DE3644945A1 Bucket wheel excavator |
| 03/16/1988 | EP0259472A1 Dredger. |
| 03/10/1988 | WO1988001662A1 Shovel loader |
| 03/10/1988 | WO1988001600A1 Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground |
| 03/09/1988 | EP0258819A1 Electronic bucket positioning and control system |
| 03/09/1988 | EP0258507A1 Digging point assembly |
| 03/09/1988 | EP0258281A1 An arrangement in a drivable excavator |
| 03/09/1988 | EP0258275A1 Boom operated demolition apparatus. |
| 03/09/1988 | CN87106030A A loader attachment |
| 03/09/1988 | CN86209608U Lock mechanism for whisler-shape connecting device |
| 03/03/1988 | DE3628785A1 Apparatus for positioning digging members |
| 03/02/1988 | EP0258122A1 Wheel excavating device for digging trenches in the ground |
| 03/02/1988 | EP0257317A1 Device for the treatment of floors of stretches of water |
| 03/02/1988 | EP0257271A1 Device for implements mounted on earth-moving machines, in particular for tracked ones |
| 03/02/1988 | CN87104708A Improved trenching apparatus and methods of forming inground retaining walls |
| 03/01/1988 | US4728256 Underwater pump |
| 03/01/1988 | US4728251 Complete swivel type backhoe vehicle |
| 03/01/1988 | US4728249 Telescoping boom assembly with longitudinally displaceable base boom section |
| 02/25/1988 | WO1988001322A1 Improved hitch |
| 02/24/1988 | EP0256304A1 Soil-working machine |
| 02/23/1988 | US4726731 Hitch |
| 02/23/1988 | US4726682 Depth measuring apparatus for a dredger |
| 02/18/1988 | DE3626618A1 Apparatus for handling the beds of bodies of water |
| 02/17/1988 | EP0255845A1 Suction dredger |
| 02/16/1988 | US4725189 Rear-mounted loader bucket for a tractor including roll-back means |
| 02/16/1988 | US4725187 Excavator |
| 02/16/1988 | US4724912 In the boom of a power shovel or the like |
| 02/11/1988 | DE3627015A1 Automatic control system for continuous cutting-edge control |
| 02/10/1988 | CN85203938U Improved hydraulic dredging device |
| 02/09/1988 | US4723887 Load carrying and tipping vehicle |
| 02/09/1988 | US4723609 Double bladed combination scraper |
| 02/09/1988 | US4723478 Series self-leveling valve |
| 02/09/1988 | CA1232448A1 Rocking frame implement |
| 02/04/1988 | DE3718389A1 Self-propelling cradle for receiving construction equipment |
| 02/04/1988 | DE3625242A1 Excavator |
| 02/02/1988 | CA1232297A1 Method and apparatus for efficiently and economically hydraulically dredging to a level bottom |
| 02/02/1988 | CA1232296A1 Dredge with twin cutter head and suspension therefor |
| 01/28/1988 | EP0201503A4 Casting of structural walls. |
| 01/27/1988 | CN87208281U Cross section variable hopper rod for excavator |
| 01/26/1988 | US4721409 Method and device for progressively producing an underwater laying-out channel |
| 01/26/1988 | US4720929 Trenching device |
| 01/21/1988 | DE3624056A1 Bucket-wheel excavator |
| 01/20/1988 | EP0253726A1 Motoric device for digging trenches in the soil with the aid of rotary cutters |
| 01/20/1988 | CN87103604A Grader for the stope |
| 01/19/1988 | US4720234 Backhoe |
| 01/19/1988 | US4720233 Tractor frame for tractor-mounted implement |
| 01/19/1988 | US4720032 Portable rail breaker |
| 01/19/1988 | US4719975 For demolishing structures such as concrete |
| 01/19/1988 | US4719711 Excavation bucket |
| 01/13/1988 | EP0252419A2 Mobile self-propelled crushing machine |
| 01/13/1988 | EP0252110A1 Converting linear movement to rotational movement |
| 01/13/1988 | EP0169199B1 Dredging apparatus |
| 01/12/1988 | US4718835 Mining apparatus and jet pump therefor |
| 01/12/1988 | US4718731 Used for excavation work |
| 01/12/1988 | US4718729 Material clearing and piling device |
| 01/12/1988 | US4718504 Trench excavator |
| 01/12/1988 | US4718325 Hydraulic swing control for boom assembly |
| 01/12/1988 | US4718182 Trencher with adjustable chisel |
| 01/07/1988 | EP0251660A1 Method and apparatus for soil excavation and the like |
| 01/07/1988 | EP0250810A1 Method of producing beverages by means of sealed cartridges |
| 01/07/1988 | EP0250618A1 Shovel dipper bail assembly |
| 01/07/1988 | EP0153332B1 Method and device for the vibratory operation of a working piston, particularly for working tools |
| 01/07/1988 | DE3720881A1 Lifting unit for agricultural commercial vehicles |
| 01/05/1988 | US4716666 Wear runner for excavating bucket |
| 01/05/1988 | US4716665 Folding trencher boom |
| 12/29/1987 | US4715771 Variable geometry mounting arrangement for backhoe assembly |
| 12/29/1987 | US4715450 Grader blade with casting/insert assembly on leading edge |
| 12/29/1987 | US4715265 Process and apparatus for vibratory operation of a working piston, in particular for active working tools |
| 12/23/1987 | EP0126732B1 Device for attaching a tool to a vehicle |
| 12/22/1987 | US4713898 Railroad mounted trench digger |
| 12/16/1987 | EP0249555A1 Motorpump for a fraising device for digging trenches in the ground |
| 12/16/1987 | EP0249551A1 Digging wheel, in particular for digging trenches |
| 12/16/1987 | EP0249231A1 Improved trenching apparatus for forming inground retaining walls |
| 12/15/1987 | US4712968 Mechanical digger toy |
| 12/15/1987 | US4712623 Turf plug pusher |
| 12/15/1987 | US4712320 Four-way reversible ditcher blades |
| 12/12/1987 | CN86209748U Swing type anti-impacting mud digging device with multiple grab bucket |
| 12/10/1987 | DE3623930C1 Drive of an appliance for removing and conveying mineral raw materials from the sea bed |
| 12/10/1987 | DE3617673A1 Hydraulic excavator |
| 12/09/1987 | EP0248189A1 Device for making a slit |
| 12/05/1987 | CN86204530U Bucket beam assembly of an excavator |
| 12/03/1987 | WO1987007368A1 Apparatus for measuring position of moving body |
| 12/03/1987 | DE3716895A1 Steinbrecher Quarryman |
| 12/03/1987 | DE3618299A1 Trench-ditching machine |
| 12/03/1987 | DE3618199A1 Shoe for excavator shovels |
| 12/03/1987 | DE3618191A1 Concrete breaker |
| 12/03/1987 | DE3617681A1 Machine which can be self-propelled with interchangeable tools or implements |
| 12/02/1987 | EP0247583A1 Pushing frame for a front-loading implement at a motor vehicle |
| 12/02/1987 | EP0247303A2 Apparatus for controlling cargo handling position |
| 12/01/1987 | US4709618 Series self-leveling valve with single spool for unloading and relief |
| 12/01/1987 | US4709588 Operating arm for an earth-moving and foundation machine |
| 12/01/1987 | US4709492 Pushing apparatus, and methods of constructing and utilizing same |
| 11/26/1987 | DE3617313A1 Device for connecting a hydraulic torque engine |
| 11/25/1987 | EP0246236A1 Method for controlling the concentration of a slurry sucked up by at least one moveable suction unit |
| 11/24/1987 | US4708579 Hydraulically or manually actuated implement coupler for front end loaders |
| 11/19/1987 | WO1987006965A1 Dump truck |
| 11/19/1987 | DE3616287A1 Dredger with grabs |
| 11/18/1987 | CN86209330U Movable siphon sludge remover |
| 11/17/1987 | US4707021 Enclosure panel for tractor |