| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
|---|
| 07/17/1990 | US4941786 Excavator |
| 07/17/1990 | US4941315 Wear resistant chain for trenchers |
| 07/17/1990 | CA1271793A1 Snubbing apparatus for grapples and the like |
| 07/13/1990 | CA2007708A1 Device for fixing a trenching drum on a trenching machine |
| 07/11/1990 | EP0376942A1 A method and an arrangement for filling so-called large sacks. |
| 07/11/1990 | CN1008754B Device for displacement under water and process for use of such a device |
| 07/10/1990 | US4939855 Excavator dipper with lightweight replaceable section |
| 07/10/1990 | US4939854 Rotary trenching machine |
| 07/04/1990 | EP0376535A1 Endless excavating chain and digging teeth for use therein |
| 07/04/1990 | EP0376120A1 Excavator boom |
| 07/03/1990 | US4938651 Gear lock quick disconnect mechanism for articulated machine |
| 07/03/1990 | US4938023 Swing-frame motor flow and sensed load pressure control system for hydraulic excavator |
| 07/03/1990 | US4937957 Torsional limiting device for a vehicular ditching apparatus |
| 07/03/1990 | US4937956 Ocean floor dredging |
| 06/28/1990 | WO1990007032A1 Teaching/playback method of working machine |
| 06/26/1990 | US4936737 Loader mounting system |
| 06/26/1990 | US4936392 Road shoulder grading attachment |
| 06/26/1990 | US4936031 Apparatus for excavating soil and the like using supersonic jets |
| 06/20/1990 | EP0373403A1 Cutting tool to be employed in hydraulic excavators |
| 06/19/1990 | US4934978 Rotation-elastic damped cutting device |
| 06/19/1990 | US4934897 Pipe-moving apparatus |
| 06/19/1990 | US4934874 For clearing sludge from the galleries of underground mines |
| 06/19/1990 | US4934616 Crushing tongs for clearing buildings, particularly walls made from reinforced concrete |
| 06/19/1990 | US4934463 Automatic implement position control system |
| 06/14/1990 | WO1990006403A1 A linkage system for loading machines |
| 06/13/1990 | EP0373148A1 Hydraulic excavator |
| 06/13/1990 | CN1008391B Power transmission |
| 06/12/1990 | US4932832 Backhoe gripping attachment |
| 06/12/1990 | CA2005141A1 Digging tooth and teeth arrayed in combination with endless excavating chain |
| 06/06/1990 | EP0371588A2 Dredging apparatus |
| 06/06/1990 | EP0371083A1 Plow for motor grader |
| 06/05/1990 | US4930940 System for guiding the excavation tool used for constructing a wall cast in the ground |
| 06/05/1990 | US4930582 Road grader attachment |
| 05/31/1990 | WO1990005816A1 Work automation method and apparatus for electronic control type hydraulic driving machine |
| 05/31/1990 | WO1990005813A1 Excavator bucket |
| 05/31/1990 | DE3931255A1 Steuerungssystem fuer einen loeffelbagger zur anwendung bei einem arbeitsfahrzeug Control system for a loeffelbagger for application in a working vehicle |
| 05/29/1990 | US4928410 Reversible clam shell bucket |
| 05/29/1990 | US4928409 Mobile earth mover bowl with loading rotor |
| 05/29/1990 | CA1269687A1 Excavating blade assembly |
| 05/23/1990 | EP0369890A1 Attachment means for the power units of a milling device for digging soil trenches |
| 05/23/1990 | EP0369879A1 Manipulator for public works machines, and machine provided with such a manipulator serving to treat a road |
| 05/23/1990 | EP0369694A2 Laser control of excavating machine digging depth |
| 05/23/1990 | EP0368915A1 A device in a quick coupling. |
| 05/23/1990 | DE3839062A1 Cutting wheel for suction or bucket-wheel dredgers |
| 05/22/1990 | US4926948 Method and apparatus for controlling motorgrader cross slope cut |
| 05/22/1990 | US4926571 Connection for connecting compressed-air lines |
| 05/18/1990 | CA2003266A1 Cylinder block mounting device for screw auger trenching apparatus |
| 05/17/1990 | WO1990005281A1 A laser beam receiver |
| 05/16/1990 | EP0368636A2 Hydraulic control system |
| 05/16/1990 | EP0368129A1 Suction dredger |
| 05/16/1990 | EP0367805A1 Heavy duty plate shear |
| 05/15/1990 | US4925359 Quadflex bucket apparatus |
| 05/15/1990 | US4925358 Trailerable earth digging apparatus |
| 05/15/1990 | US4924945 Soil leveling apparatus with improved scraper member |
| 05/15/1990 | US4924609 Digging tooth and teeth arrayed in combination with endless excavating chain |
| 05/10/1990 | DE3932600A1 Fahrerabschnittskonstruktion fuer eine baumaschine Driver section design for a construction machine |
| 05/10/1990 | DE3837634A1 Longitudinally adjustable parking support on a front-end loading attachment for agricultural tractors or suchlike utility vehicles |
| 05/08/1990 | US4924374 Method for automatic position control of a tool |
| 05/08/1990 | US4923362 Bucket leveling system with dual fluid supply |
| 05/08/1990 | US4923329 Draining method and a machine for implementing same |
| 05/08/1990 | US4923015 Earth mover blade stabilizing apparatus |
| 05/08/1990 | CA1268664A1 Underwater pump |
| 05/02/1990 | CN2056681U Two-arm push earth moving machine |
| 05/01/1990 | US4921392 Sideshift mounted backhoe locking mechanism |
| 04/25/1990 | EP0365436A1 Reversible moldboard assembly |
| 04/25/1990 | CN2056435U Multifunction operating system for tipper |
| 04/24/1990 | US4919212 Tractor mounting for a dozer blade |
| 04/19/1990 | DE3933168A1 Slit wall cutter with counter-rotating cutter wheels - which have rolling tools on their peripheries, overhung in bearings |
| 04/18/1990 | EP0363899A1 Rotary bucket assembly |
| 04/18/1990 | CN2056165U Dipper mounted on a fork lift |
| 04/17/1990 | USRE33198 Strata rock bucket |
| 04/17/1990 | US4918608 Method for automatic depth control for earth moving and grading |
| 04/17/1990 | US4917566 Crane attachment for backhoe |
| 04/17/1990 | US4917565 Apparatus for controlling posture of front loader |
| 04/12/1990 | DE3834507A1 Construction machine with pivotable boom |
| 04/12/1990 | DE3833831A1 Suction apparatus for deposits in bodies of water |
| 04/11/1990 | EP0362394A1 Bucket posture retainer for cargo handling vehicles |
| 04/11/1990 | EP0258275B1 Boom operated demolition apparatus |
| 04/10/1990 | US4915575 Material handling attachment for a tractor having a multiple-point hitch assembly |
| 04/10/1990 | US4914841 Dredging with a pressurized, rotating liquid stream |
| 04/05/1990 | WO1990003471A1 Operation machine link mechanism |
| 04/05/1990 | DE3931547A1 Loeffelbaggerfahrzeug Loeffelbaggerfahrzeug |
| 04/04/1990 | EP0362098A1 Shears for crushing concrete |
| 04/04/1990 | EP0361666A1 Intuitive joystick control for a work implement |
| 04/03/1990 | US4914593 Method for automatic depth control for earth moving and grading |
| 03/29/1990 | DE3932234A1 Bucket-wheel excavator shovel - has cone-tipped chisels outside circle described by bucket teeth |
| 03/28/1990 | EP0359785A1 Pulsating hydraulic drive system |
| 03/28/1990 | CN1040840A Method and apparatus for placing hollow colum in the hard bottom of body of water in particular in rock bottom |
| 03/27/1990 | US4910891 Device for attaching earth-working tools to excavating equipment |
| 03/22/1990 | WO1990002849A1 Arrangement for rotator units |
| 03/22/1990 | WO1990002848A1 Protection arrangement for rotator units |
| 03/22/1990 | DE3831212A1 Fastening of an implement to a working vehicle, in particular of a front loader to an agricultural tractor |
| 03/20/1990 | US4910673 Apparatus for controlling arm movement of industrial vehicle |
| 03/20/1990 | US4909330 Automotive earth moving vehicle with segmented blade for alternating between straight and angular shapes |
| 03/20/1990 | US4908967 For digging ditches |
| 03/20/1990 | US4908966 Benthic dredge construction |
| 03/20/1990 | US4908946 Wood cutting shear |
| 03/14/1990 | EP0357652A1 Pneumatic extraction head. |
| 03/13/1990 | US4907667 Full-turn type working machine |
| 03/13/1990 | US4907356 Slipper bucket for grapple |