| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
|---|
| 05/12/1981 | US4266629 Motor vehicle with axle pivot steering |
| 05/12/1981 | US4266628 Differential case and push-frame assembly |
| 05/12/1981 | US4266625 Traction vehicle |
| 05/12/1981 | CA1101105A1 Time-proportioning control system for earth-working machines |
| 05/05/1981 | US4265587 Quick-coupling locking mechanism |
| 05/05/1981 | US4265319 Pushbeam to blade hinge connection |
| 05/05/1981 | US4265063 Guard structure for hydraulic conduits of a mobile apparatus |
| 05/05/1981 | US4265036 Bucket dredging and conveying system |
| 05/05/1981 | US4265035 Drag-head for a suction dredger with a pivotable sight |
| 04/28/1981 | US4264265 Adjusting slide mechanism for telescoping boom |
| 04/28/1981 | US4264264 Loader mounting structure |
| 04/28/1981 | US4264105 Siphon dredge mining system |
| 04/28/1981 | US4263973 Laser beam level control with automatic override |
| 04/28/1981 | US4263706 Method and apparatus for machining dragline assemblies |
| 04/24/1981 | EP0023202A4 Angle and tilt implement assembly. |
| 04/22/1981 | EP0027275A1 Ground preparation tool for reforestation |
| 04/21/1981 | US4262753 Plow blade attachment system |
| 04/15/1981 | EP0026879A2 Scraper apparatus for a concrete production plant |
| 04/14/1981 | US4261684 Mounting of side shiftable appliances on vehicles |
| 04/14/1981 | US4261119 Method for digging and transporting material |
| 04/14/1981 | US4261117 Dredging vessel |
| 04/14/1981 | CA1099234A1 Excavators |
| 04/08/1981 | EP0026466A2 Scraper apparatus for concrete production plants |
| 04/08/1981 | EP0026182A1 Device for burying a line in the sea bed. |
| 04/07/1981 | US4260322 Integral box section boom arm |
| 04/07/1981 | US4260321 Lock mechanism for securing a backhoe boom and swing frame for transport |
| 04/07/1981 | US4259795 Dragging type cutter head for a suction dredger |
| 04/07/1981 | CA1098921A1 Universal digging boom |
| 04/07/1981 | CA1098920A1 Dredge head having forward water-deflecting means |
| 04/02/1981 | WO1981000897A1 Replaceable bearing assembly for construction vehicles |
| 03/31/1981 | US4258956 Method and apparatus for driving a single transversely elongated tool with a plurality of force transmitting beams |
| 03/31/1981 | US4258797 Scraper blade undercarriage mounting assembly |
| 03/31/1981 | US4258486 Scooper-excavator |
| 03/31/1981 | US4258484 Implement position indicator |
| 03/24/1981 | US4257731 Powered implement with work elements pivotally mounted on an implement mounting and a torque tube for rotating such mounting |
| 03/24/1981 | US4257730 Stand device for boom-type working implements |
| 03/24/1981 | US4257725 Hay handling apparatus |
| 03/24/1981 | US4257723 Device for sucking up solid materials or objects |
| 03/24/1981 | US4257178 Height adjustable drum type dredging apparatus |
| 03/24/1981 | CA1098086A1 Dragline equipped with hopper means and loading means |
| 03/18/1981 | EP0025421A2 A tool mounting and a cutter drum for earth excavating machines |
| 03/18/1981 | EP0025407A1 Method for laying cables and pipes under runways, roads or the like |
| 03/18/1981 | EP0025249A1 Tractor with a built-on underframe for a tilling machine with arm |
| 03/18/1981 | EP0025107A1 Lock valve with variable length piston and hydraulic system for a work implement using the same |
| 03/17/1981 | US4256433 Hydraulic circuit for earthworking implement |
| 03/17/1981 | US4256432 Construction of circuit for working vehicle operable as backhoe and also as dozer |
| 03/17/1981 | US4256342 Dragline equipped with hopper means and loading means |
| 03/17/1981 | US4255885 Apparatus for controlling the position of the pivoting floor and strikeoff blade of an earthmoving scraper |
| 03/17/1981 | US4255884 Apparatus for unattended conversion of a front end loader |
| 03/17/1981 | US4255883 Attitude control system |
| 03/17/1981 | US4255882 Dragging type cutter head for a suction dredger |
| 03/17/1981 | CA1097591A1 Storable boom attachment for a construction machine |
| 03/11/1981 | EP0024558A1 Selectively actuatable fluid control for a work implement |
| 03/11/1981 | EP0024445A1 Tunnel driving machine |
| 03/05/1981 | WO1981000600A1 Lock valve with variable length piston and hydraulic system for a work implement using the same |
| 03/05/1981 | WO1981000598A1 Selectively actuatable fluid control system for a work implement |
| 03/03/1981 | US4253793 Quick attachment for loader implements |
| 03/03/1981 | US4253639 Distributor device for hydraulic circuits |
| 03/03/1981 | US4253529 Support structure for dozer blade |
| 03/03/1981 | US4253256 Self-loading dualistic earth excavator with connecting telescopic conveying and dualistic distribution means |
| 03/03/1981 | US4253255 Automated dredging with vacuum assist |
| 02/24/1981 | US4252203 Undercarriage for adverse terrain vehicle |
| 02/24/1981 | US4251933 Lip and teeth in combination with a flat bottom bucket |
| 02/24/1981 | CA1096339A1 Scraper elevator drive mounting |
| 02/18/1981 | EP0023901A1 Router bit assembly for an earth working apparatus. |
| 02/17/1981 | US4251181 Implement coupling apparatus for boom-type vehicle |
| 02/17/1981 | US4250696 Brush and mesquite cutter |
| 02/17/1981 | CA1095946A1 Reclaiming buckets for a stockpile reclaimer with a bucket wheel or bucket drum working in both directions of rotation |
| 02/11/1981 | EP0023495A1 A bucket assembly. |
| 02/10/1981 | US4250034 Transport conduit |
| 02/10/1981 | US4249651 Reclaiming buckets for a stockpile reclaimer |
| 02/10/1981 | US4249327 Fine grader |
| 02/10/1981 | US4249326 Router bit |
| 02/10/1981 | US4249324 Steerable ocean floor dredge vehicle |
| 02/10/1981 | US4249323 Variable wing plow blade and mounting structure therefor |
| 02/10/1981 | CA1095463A1 Linkage to allow increased angular rotation of backhoe boom |
| 02/10/1981 | CA1095237A1 Land leveling apparatus |
| 02/10/1981 | CA1095236A1 Bulldozer blade angle slide mechanism |
| 02/05/1981 | WO1981000273A1 Mounting assembly for hydraulic conduits of a mobile apparatus |
| 02/05/1981 | WO1981000269A1 Quick-coupling locking mechanism |
| 02/04/1981 | EP0023202A1 Angle and tilt implement assembly. |
| 02/03/1981 | US4248471 Backhoe grapple assembly |
| 02/03/1981 | US4248311 Side shift blade arrangement |
| 02/03/1981 | CA1094830A1 Sub-surface irrigation channel forming vehicles |
| 01/28/1981 | EP0022853A1 Two way side dump bucket attachment for front end loader. |
| 01/27/1981 | US4247242 Quick attachment device |
| 01/27/1981 | US4247035 Crane conversion method |
| 01/27/1981 | US4246974 Offset drilling machine |
| 01/27/1981 | US4246972 Motor grader and positioning mechanism for drawbar thereof |
| 01/20/1981 | US4245932 Suction dredger and method of loading the same |
| 01/20/1981 | US4245714 Mining vehicle |
| 01/20/1981 | US4245707 Grading and dozing attachment for a tractor |
| 01/13/1981 | US4244429 Mounting mechanism for angle dozer blade |
| 01/13/1981 | CA1093508A1 Safety latch for tractor loader |
| 01/13/1981 | CA1093385A1 Wear liners for abrasive-material handling equipment |
| 01/07/1981 | EP0021543A1 Gear case for a rotary cutter head of a suction dredger |
| 01/07/1981 | EP0020367A1 Apparatus for shifting center of gravity of a work vehicle |
| 01/06/1981 | US4243356 Quick coupler |
| 01/06/1981 | US4243107 Hydraulic hammer mounted on a movable boom |
| 01/06/1981 | US4243106 Device for setting blade of earthmover |