| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
|---|
| 01/06/1981 | US4242816 Dredger having a two-part boom |
| 01/06/1981 | US4242815 Suction pipe position control |
| 01/06/1981 | US4242814 Cutter wheel for a dredging apparatus |
| 01/06/1981 | CA1093104A1 Dredger |
| 12/30/1980 | US4242034 Quick-release coupling |
| 12/30/1980 | US4241811 Brake mechanism for a gondola car loader |
| 12/30/1980 | US4241794 Angle dozer assembly |
| 12/30/1980 | US4241525 Swing-away bulldozer teeth assembly |
| 12/30/1980 | CA1092686A1 Method and control system for controlling a suspended implement on variations of the position of the implement in relation to a suspension point |
| 12/30/1980 | CA1092551A1 Sea excavation system with clamsbell bricket being horizonatally guided by cables |
| 12/30/1980 | CA1092407A1 Grade trimmer |
| 12/16/1980 | US4239444 Power shovel |
| 12/16/1980 | US4239273 Device for the rotary assembly of a member controlled by pressurized fluid |
| 12/16/1980 | US4239251 Compensating hitch |
| 12/16/1980 | US4239085 Side shift assembly for earth-working implements |
| 12/16/1980 | CA1091722A1 Frame and method of making same |
| 12/16/1980 | CA1091441A1 Land levelling device |
| 12/10/1980 | EP0019979A1 Cutter for a suction dredger |
| 12/10/1980 | EP0019949A2 Method of determining the position of a ground working tool of a floating dredger implement and dredger implement |
| 12/09/1980 | US4237986 Flexible rock guard for bulldozer |
| 12/09/1980 | CA1091267A1 Undercarriage for adverse terrain vehicle |
| 12/09/1980 | CA1091259A1 Extracting ores from the sea bottom |
| 12/09/1980 | CA1091192A1 Differential case and push-frame assembly |
| 12/02/1980 | US4236627 Cutting machine |
| 12/02/1980 | US4236587 Ground-working apparatus and hitch assembly therefor |
| 12/02/1980 | US4236586 Land leveling apparatus with section blade assembly |
| 11/26/1980 | EP0019319A2 Method of determining the position of a tool of a dredger implement and dredger implement |
| 11/26/1980 | EP0019318A2 Floating dredger and method of steering the same |
| 11/26/1980 | EP0019317A2 Method of dredging and dredger implement |
| 11/25/1980 | US4235567 Material handling machine with adjustable speed-power relationship for boom movement |
| 11/25/1980 | US4235029 Machine for cleaning railway tracks |
| 11/25/1980 | CA1090300A1 Grab excavator with fixed jib |
| 11/25/1980 | CA1090280A1 Method and apparatus for digging and transporting soil and sand, stones and rocks, minerals and the like |
| 11/25/1980 | CA1090201A1 Self propelled, uninhabited deap sea vehicle for use in dredging, loading and surface transportation of polymetallic nodules, arctic fishing and lifting of submerged bodies |
| 11/18/1980 | US4234012 Hose support bracket for backhoe swing frame |
| 11/18/1980 | CA1089809A1 Material diverting apparatus for an auger scraper |
| 11/14/1980 | EP0016811A4 Tool driving apparatus. |
| 11/12/1980 | EP0018891A1 Submarine vehicle for dredging and lifting minerals at a great depth |
| 11/12/1980 | EP0018687A1 Dredge pump set |
| 11/11/1980 | US4232982 Excavating and pipeline installation system |
| 11/11/1980 | US4232903 Ocean mining system and process |
| 11/04/1980 | US4231700 Method and apparatus for laser beam control of backhoe digging depth |
| 11/04/1980 | US4231218 Rake with pivotable arms |
| 11/04/1980 | US4231172 Floating dredger and treatment plant |
| 11/04/1980 | US4231156 Guide line holder |
| 11/04/1980 | CA1088895A1 Mounting for an implement on a tractor |
| 10/29/1980 | EP0018278A1 Apparatus for handling bulk materials |
| 10/28/1980 | US4230435 Backhoe finishing tool |
| 10/28/1980 | US4230372 Dual rock cutter wheel trencher |
| 10/28/1980 | US4230196 Load weighing and accumulating system and method for hydraulic loader |
| 10/28/1980 | CA1088452A1 Apparatus for loading and unloading railroad cars |
| 10/28/1980 | CA1088304A1 Power dozer |
| 10/16/1980 | WO1980002169A1 Arrangement for burying a line in the sea bed |
| 10/15/1980 | EP0017593A1 Engine for cleaning ponds, marshes or canals |
| 10/15/1980 | EP0016811A1 Tool driving apparatus. |
| 10/14/1980 | US4227852 Releasable backhoe boom lock |
| 10/14/1980 | US4227323 Hydraulic dredge suction diversion flap |
| 10/14/1980 | CA1087641A1 Bucket-wheel for bucket-wheel excavators or the like |
| 10/07/1980 | US4226035 Apparatus for continuously dredging submarine mineral deposit |
| 10/01/1980 | EP0016736A1 Improvements in telescopic column structures for excavating trenches, foundations and the like |
| 09/30/1980 | US4225283 Backhoe bucket quick coupling |
| 09/30/1980 | US4225282 Backhoe boom transport locking means |
| 09/23/1980 | US4224007 Toy shovel |
| 09/23/1980 | US4224003 Backhoe mounted vibrating plate soil compactor |
| 09/23/1980 | US4223758 Loader, especially bucket loader for underground mining |
| 09/23/1980 | US4223462 Digging chain support for excavation |
| 09/23/1980 | US4223461 Slopeboard mounting |
| 09/23/1980 | US4223460 Elevating scraper up-stop mechanism |
| 09/23/1980 | CA1086300A1 Variable speed auger for use with a skid steer vehicle |
| 09/23/1980 | CA1086265A1 Elevating scraper up-stop mechanism |
| 09/18/1980 | WO1980001927A1 Router bit |
| 09/18/1980 | WO1980001893A1 Bounce and lope dampening for tractor scrapers |
| 09/17/1980 | EP0015890A1 Cutter head for suction dredges |
| 09/16/1980 | US4222442 Method and apparatus for power mounting an implement on a tractor |
| 09/16/1980 | US4222186 Adaptable combination of vehicle and attachments |
| 09/16/1980 | CA1085881A1 Paddle wheel attachment for tar sands conveyor system |
| 09/09/1980 | US4221531 Power shovel having improved front end assembly |
| 09/09/1980 | US4221505 Sub-surface irrigation channel |
| 09/09/1980 | US4221268 Slide rail assembly for a work vehicle |
| 09/09/1980 | US4221267 Angle and tilt implement assembly |
| 09/09/1980 | CA1085160A1 Locking mechanism for movable vehicle members |
| 09/09/1980 | CA1085159A1 Scraping tool mounting assembly |
| 09/02/1980 | US4220438 Two way side dump bucket attachment for front end loader |
| 09/02/1980 | US4220210 Tractor front supported implement attachment frame |
| 09/02/1980 | CA1084706A1 Snow plough accessory for a front end loader |
| 09/02/1980 | CA1084705A1 Adjustable auger dozer |
| 08/26/1980 | US4218960 Ram with two-part piston rod |
| 08/26/1980 | US4218837 High lift hydraulic system for an excavator |
| 08/26/1980 | CA1084554A1 Vehicle frame having torsional cross members |
| 08/21/1980 | WO1980001700A1 Router bit assembly for an earth working apparatus |
| 08/21/1980 | WO1980001638A1 A grubber implement |
| 08/19/1980 | US4218171 Public works machine including control jacks in a boom balance assembly |
| 08/19/1980 | US4217963 Bulldozer blade angle slide mechanism |
| 08/19/1980 | US4217962 Hydraulically operated grade scraper |
| 08/19/1980 | US4217709 Submarine sand sampler |
| 08/19/1980 | CA1084004A1 Material handling means for use in earthworking machines |
| 08/12/1980 | US4217212 Method of pumping and processing phosphate slime for land reclamation |
| 08/12/1980 | US4217075 Loader device and method of mounting |
| 08/12/1980 | US4217063 Center support for blade of earthmover |
| 08/12/1980 | US4217001 Universal digging boom |