Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
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03/08/1990 | WO1990002257A1 Engine output controller in a caterpillar vehicle |
03/08/1990 | WO1990002230A1 An implement positioning control system for construction machines |
03/07/1990 | EP0356876A2 Device for attaching a loading device to a vehicle |
03/07/1990 | EP0356738A1 A tiltable bucket assembly |
03/07/1990 | EP0356495A1 Automatic implement position control system |
03/07/1990 | CN2054049U Waterpower device for scooping out pond |
03/06/1990 | US4906161 Tiltable bucket assembly |
03/06/1990 | US4905386 Process for unearthing hazardous pipeline |
03/01/1990 | DE3829481A1 Loading shovel, for example for a selective-cut heading machine |
02/27/1990 | US4904151 Loader lift arm structure |
02/27/1990 | US4904149 Swing mechanism for an earth-moving apparatus |
02/27/1990 | US4904119 Process for placing a piling in the ground, a drilling machine and an arrangement for implementing this process |
02/27/1990 | US4903780 Mobile, self-propelled crushing machine |
02/27/1990 | US4903419 Method of and apparatus for dredging sludge in high density |
02/27/1990 | US4903408 Steel plate cutter |
02/27/1990 | CA1266280A1 Cutting wheel arrangement for suction dredge |
02/27/1990 | CA1266252A1 Extensible apparatus |
02/22/1990 | WO1990001586A1 Method and apparatus for controlling working units of power shovel |
02/22/1990 | WO1990001585A1 Controllable locking apparatus for implement carrying work vehicle |
02/20/1990 | CA1266043A1 Auger drilling system |
02/15/1990 | DE3827620A1 Sensor-controlled tracking device, especially for the levelling of ground surfaces |
02/15/1990 | DE3827619A1 Sensor-controlled tracking device, especially for the levelling of ground surfaces |
02/15/1990 | DE3827618A1 Sensor-controlled tracking device |
02/15/1990 | DE3827617A1 Sensor-controlled tracking device |
02/14/1990 | EP0354675A1 Apparatus for connecting a towed implement to a tractor |
02/07/1990 | EP0353454A1 Quick mount particularly for fixing buckets to earth-moving machines |
02/07/1990 | EP0262141B1 Bulldozer blade mounting and stabilizing arrangement |
02/06/1990 | US4898247 Earth scraper attachment for a tractor or the like |
02/06/1990 | US4897921 Metal cutting shear with changeable multiple cutting edge portions |
02/06/1990 | CA1265509A1 Earth auger |
02/06/1990 | CA1265338A1 Mechanical digger toy |
02/05/1990 | EP0346366A4 Chain digger attachment. |
02/01/1990 | DE3825338A1 Cutting chain for a trench cutter or the like |
01/31/1990 | EP0352654A2 Electrically controlled auxiliary hydraulic system for a skid steer loader |
01/30/1990 | US4897013 Electrically operated material handling attachment for a garden tractor or the like |
01/30/1990 | US4896445 Method for reducing costs and environmental impact of dredging |
01/30/1990 | US4896444 Excavation bucket |
01/30/1990 | US4896443 Ditch forming apparatus |
01/30/1990 | US4896442 Trencher apparatus |
01/25/1990 | WO1990000650A1 An arrangement in implement holders for assemblies which include a side-dumping excavating and loading bucket |
01/25/1990 | DE3922870A1 Device for mounting a shovel bucket by means of the shovel boom |
01/23/1990 | US4895477 Scraping device for making a subgrade |
01/23/1990 | US4895476 Brushing device and method |
01/23/1990 | CA1264701A1 Tunnelling apparatus |
01/16/1990 | US4893683 Dozer blade mounting assembly |
01/16/1990 | US4893464 Offset attachment sidebar chain |
01/11/1990 | DE3822172A1 Method of protecting a hydraulic circuit from overload |
01/10/1990 | EP0349971A1 Boom assembly for a loader |
01/10/1990 | CN1006405B Digger tooth arrangement |
01/09/1990 | US4892359 Bucket system with percussive penetration member |
01/09/1990 | US4892358 Bucket system with percussive penetration member |
01/09/1990 | US4892155 Leveling attachment for a skid-steer vehicle |
01/09/1990 | US4892154 Ground-working apparatus with rotary tiller |
01/04/1990 | DE3838229A1 Working vehicle with an attachment which has a grab shovel |
01/04/1990 | DE3822235A1 Bucket-wheel body |
01/04/1990 | DE3822145A1 Front loader |
01/03/1990 | EP0349132A1 Method for automatic depth control for earth moving and grading |
01/02/1990 | US4890974 Easy connection of dipper stick to tool of an earth working machine |
01/02/1990 | US4890798 Structure crushing equipment |
01/02/1990 | US4890719 Excavator for bucket elevator type continuous unloader |
01/02/1990 | US4890400 Bucket attachment for tractor blade |
01/02/1990 | US4890399 Rider type trenching machine |
12/27/1989 | EP0347498A1 An Attachment for a vehicle |
12/26/1989 | US4889466 Control device for a power shovel |
12/26/1989 | US4889391 Hand-held suction dredge and metal detector |
12/26/1989 | US4888890 Laser control of excavating machine digging depth |
12/20/1989 | EP0347371A1 Crushing tongs for demolishing building structures, especially reinforced-concrete walls |
12/20/1989 | EP0346366A1 Chain digger attachment |
12/19/1989 | US4887939 Extension arm assembly for a tractor loader |
12/19/1989 | US4887938 Controllable locking apparatus for implement carrying work vehicle |
12/19/1989 | US4887372 Shallow angle furrow refurbishing method and apparatus |
12/19/1989 | US4887371 Dredges |
12/14/1989 | WO1989012146A1 Wear strips |
12/14/1989 | WO1989012145A1 Stone tongs for excavators |
12/14/1989 | WO1989011910A1 Concrete crusher |
12/14/1989 | DE3819569A1 Excavating unit |
12/13/1989 | EP0346044A1 Method for automatic depth control for earth moving and grading |
12/13/1989 | EP0346043A1 Method for automatic depth control for earth moving and grading |
12/13/1989 | EP0345650A2 Anchor hole drilling rig |
12/13/1989 | EP0345640A1 Self-levelling device for shovel loaders |
12/12/1989 | US4886124 Soil grading apparatus with sifting and transporting capability |
12/06/1989 | EP0345137A1 Earth-moving machine for operating earth-moving tools, presenting a shovel arm and provided with a quick-exchange device for the tools |
12/06/1989 | EP0344420A1 Hydraulic circuit for power shovel |
12/06/1989 | EP0344195A1 A quick coupling means for a working implement of an excavating machine. |
12/06/1989 | EP0344167A1 Corner guard system having a replaceable corner tooth |
12/06/1989 | EP0230072B1 Apparatus and method for brushing |
12/06/1989 | CN2048875U Multicutter reciprocating land leveller |
12/05/1989 | US4884940 Loader bucket transport link |
12/05/1989 | US4884939 Self-contained laser-activated depth sensor for excavator |
12/05/1989 | US4884641 Backhoe hammer |
12/05/1989 | CA1263629A1 Tractor frame for tractor-mounted implement |
11/30/1989 | WO1989011568A1 Hammer-swinging mechanism |
11/30/1989 | DE3900218C1 Height sensor device for a control circuit for controlling the height of a blade |
11/29/1989 | EP0343191A1 Positive keeper means for pins of earthworking tips. |
11/28/1989 | US4883134 Milling machine for cutting trenches |
11/28/1989 | US4882859 Excavating bucket having scoops |
11/23/1989 | EP0342189A1 A grader for use with a tractor |
11/23/1989 | EP0215802B1 A ripping bucket arrangement |
11/21/1989 | US4881867 Excavator attachment |
11/21/1989 | US4881419 Fluid-power bearing actuator |