Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
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04/08/1980 | CA1075272A1 Tool for earthworking machine |
04/08/1980 | CA1075040A1 Transmission control system |
04/08/1980 | CA1074994A1 Land leveler and growser assembly |
04/02/1980 | EP0009123A1 Canal construction machine |
04/01/1980 | US4195427 Chain trencher |
04/01/1980 | US4195426 Extracting ores from the sea bottom |
04/01/1980 | CA1074740A1 Cross-member assembly |
04/01/1980 | CA1074739A1 Backhoe mounting assembly |
04/01/1980 | CA1074557A1 Plow attachment assembly for a crawler-type tractor |
03/25/1980 | US4194574 Draft power sensor and method for improving performance in earthmoving equipment |
03/25/1980 | US4194311 Grave digging apparatus |
03/18/1980 | US4193734 Boom for backhoe with internally disposed hydraulic feed lines |
03/18/1980 | US4193733 Hydraulic excavator machine having self-contained electrohydraulic power units |
03/18/1980 | US4193217 Pivotable bucket with a rotatable earth moving mechanism |
03/18/1980 | CA1073685A1 Dredger chain joint |
03/18/1980 | CA1073667A1 Snow plow |
03/05/1980 | EP0008534A1 Cutter head for a suction dredger |
03/04/1980 | US4191426 Sealing guard for a surface treating machine |
03/04/1980 | CA1073003A1 Wear strips for earthmoving buckets |
03/04/1980 | CA1072920A1 Apparatus for forcibly engaging machine assemblies |
02/26/1980 | US4190394 Method for loading and unloading railroad cars |
02/26/1980 | US4189854 Grader blade attachment |
02/26/1980 | CA1072588A1 Rock milling cutters |
02/26/1980 | CA1072499A1 Mounting structure for an earth-working machine |
02/26/1980 | CA1072324A1 Attitude control for implement |
02/20/1980 | EP0008231A1 Apparatus for excavating trenches |
02/20/1980 | EP0007921A1 Under water drum collector with a tower for collecting manganese nodules on the sea bottom |
02/19/1980 | US4189278 Boom prop |
02/19/1980 | US4189253 Process and apparatus for maintaining a desired depth of a waterway |
02/19/1980 | US4189239 Apparatus treating sludge deposits |
02/19/1980 | US4189010 Power angling bulldozer assembly |
02/19/1980 | US4189009 Wheel mounted earth moving scraper with pivot in center of pivot axle |
02/19/1980 | US4188739 Magnetic switch adjusting system |
02/19/1980 | US4188721 Attachment for a back hoe |
02/12/1980 | US4188165 Loaders for use in tunnels |
02/12/1980 | US4187763 Overload relief valve |
02/12/1980 | US4187625 System for excavation at sea through horizontal guiding by means of cables |
02/05/1980 | US4187050 Quick-disconnect mechanical coupling |
02/05/1980 | US4187049 Gathering blade apparatus for assisting in loading the bucket on a front-end loader |
02/05/1980 | CA1071263A1 Excavating bucket and teeth for a backhoe |
02/05/1980 | CA1071152A1 Pivot pin assembly |
02/05/1980 | CA1071151A1 Apparatus for attaching implement to earth moving vehicle |
01/29/1980 | US4185945 Cylinder mounting |
01/29/1980 | US4185700 Circle mounting and circle assembly for a motor grader |
01/29/1980 | US4185698 Adjustable auger dozer |
01/29/1980 | US4185404 Nodule dredging bucket |
01/23/1980 | EP0007000A1 Plow device |
01/22/1980 | US4184958 Apparatus for treating sumps |
01/22/1980 | US4184803 Releasable backhoe boom lock |
01/22/1980 | US4184583 Device for use in the emptying of dredging buckets |
01/22/1980 | US4184581 Loading apparatus for mines |
01/22/1980 | CA1070357A1 Rotational grapple |
01/15/1980 | US4183711 Mobile power shovel |
01/15/1980 | US4183586 Apparatus for progessively removing layers of overburden from an inclined side of a cut |
01/15/1980 | US4183551 Differential case and push-frame assembly and a method of making same |
01/15/1980 | US4183158 Conveyor folding and deflector operation for excavating and loading systems |
01/09/1980 | EP0006750A1 A backhoe boom transport locking means and a backhoe comprising such locking means |
01/09/1980 | EP0006588A1 Improvements in or relating to a buckrake |
01/08/1980 | US4182456 Material handling machine |
01/01/1980 | US4180927 Digging bucket cylinder powered ejector system |
01/01/1980 | US4180925 Apparatus with masking means for continuously covering a slot therein |
12/25/1979 | US4180292 Rock milling cutter tongue and slot connected |
12/25/1979 | US4179981 Device for sequentially supplying several hydraulic motors |
12/25/1979 | US4179829 Trenching machine |
12/25/1979 | CA1068618A Aerial lift |
12/18/1979 | US4179024 Scraper elevator drive mounting |
12/18/1979 | US4178704 Suction nozzle dredge head |
12/13/1979 | WO1979001075A1 Polyvalent machine for earthwork and maintenance |
12/13/1979 | WO1979001066A1 Ripping tool driving apparatus |
12/12/1979 | EP0005907A1 Channel-type tractor frame |
12/11/1979 | US4177585 Method and apparatus for dredging |
12/11/1979 | CA1067693A1 Scraper blade mounting assembly |
12/04/1979 | US4176477 Compact unit for excavating, compacting and loading |
11/27/1979 | US4175907 Shovel linkage |
11/27/1979 | US4175902 Apparatus for loading and unloading railroad cars |
11/27/1979 | US4175900 Plug-in bale mover |
11/27/1979 | US4175625 Articulating grader having structure for raising and lowering mold board without disturbing setting |
11/27/1979 | CA1067033A2 Bucket wheel reclaimer |
11/20/1979 | US4174854 Building and constructional machines or vehicles |
11/20/1979 | US4174761 Running travel maneuvering apparatus for an engineering work vehicle |
11/20/1979 | US4174579 Twin boom dragline |
11/20/1979 | CA1066667A2 Method of loading a haulage vehicle |
11/20/1979 | CA1066647A1 Gondola car loader |
11/13/1979 | US4173836 Condition responsive trench excavator |
11/13/1979 | CA1066335A1 Vacuum switches |
11/13/1979 | CA1066052A1 Device for pumping out sanded in crab pots |
11/06/1979 | US4173258 Laser beam level control with automatic override |
11/06/1979 | CA1065806A2 Clamping devices |
11/06/1979 | CA1065805A1 Clamping devices |
11/06/1979 | CA1065605A1 Work vehicle and method of assembling |
10/30/1979 | USRE30128 Conveyor control system for a self-loading scraper |
10/30/1979 | USRE30127 Load ejection improvement for self-loading scrapers |
10/30/1979 | US4172687 Backhoe skip attachment |
10/30/1979 | CA1065299A1 Split drive system for dragline with power interlock |
10/23/1979 | US4171674 Fairing for pipes |
10/23/1979 | US4171582 Excavator |
10/23/1979 | US4171581 Water flow-deflecting shield for dredge suction nozzle |
10/16/1979 | US4171147 Flywheel for a construction machine |
10/16/1979 | US4171054 Work vehicle with hydraulic circuit for swivel motor and work assembly arm motor |
10/16/1979 | US4171023 Triple tractor assembly |