| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
|---|
| 08/17/1982 | US4344734 Self-leveling bucket linkage |
| 08/17/1982 | US4344733 Hydraulic control circuit for decelerating a swinging backhoe |
| 08/17/1982 | US4344239 Dragging type head for a suction dredger |
| 08/10/1982 | US4343588 Kickout bucket positioner |
| 08/10/1982 | US4343513 Method and power transmission system for operating a road planar machine |
| 08/10/1982 | US4343365 Electrically operated hydraulic power lift system |
| 08/10/1982 | US4343102 Method for controlling the operation of a dredging apparatus |
| 08/10/1982 | US4343101 Scraper bowl structure |
| 08/10/1982 | US4343100 Floor support for mobile scraper |
| 08/10/1982 | US4343099 Apparatus for the parallel guidance of the bucket of a hydraulic excavator |
| 08/10/1982 | CA1129378A1 Drive assembly for power shovels and the like |
| 08/03/1982 | US4342425 Cavitation nozzle assembly |
| 08/03/1982 | US4342166 Tool fastening |
| 08/03/1982 | US4342164 Counterbalancing hydraulic system |
| 08/03/1982 | US4342162 Device for planing a body of ground material |
| 07/27/1982 | US4341501 Hydraulic control valve circuit for a swing mechanism |
| 07/27/1982 | US4341149 Selectively actuatable fluid control system for a work element |
| 07/27/1982 | US4341026 Bucket assembly for earthmoving machines capable of side dumping as well |
| 07/27/1982 | CA1128582A1 Cavitation nozzle assembly |
| 07/27/1982 | CA1128558A1 Trenching device equiped with a disk and a deflector |
| 07/20/1982 | US4340127 Tractor |
| 07/20/1982 | US4340119 Motor grader with bar linkage blade positioning apparatus |
| 07/20/1982 | US4339908 Vegetation clearing devices |
| 07/20/1982 | CA1127840A1 Public works machine provided with a toothed traction wheel |
| 07/13/1982 | US4339225 Power shovel crowd drive assembly |
| 07/13/1982 | CA1127600A1 Dual drive system for dragline with power interlock |
| 07/06/1982 | US4338042 Apparatus for the subaqueous entrenching of pipes |
| 07/06/1982 | US4337837 Mounting mechanism for angle dozer blade |
| 07/06/1982 | US4337836 Bulldozer linkage |
| 07/06/1982 | US4337833 Tiltable box scraper for three-point attachment to a tractor |
| 07/06/1982 | US4337832 Lift system, steering system, and pivotal blade for land plane |
| 07/06/1982 | CA1127205A1 Excavating buckets |
| 07/06/1982 | CA1127117A1 Device for coupling a boom to a tool |
| 07/06/1982 | CA1126950A1 Blade and frame assembly for power machines |
| 06/29/1982 | US4337015 Parking stand means for tractor-dismounted implement |
| 06/29/1982 | US4336663 Earth scraper assembly |
| 06/29/1982 | CA1126765A1 Digging chain support for excavation |
| 06/29/1982 | CA1126505A1 Dual tractor road grader |
| 06/24/1982 | WO1982001975A1 Spade |
| 06/23/1982 | EP0054498A1 Installation for dredging a sea bottom, particularly for great depths |
| 06/23/1982 | EP0054254A1 Spade |
| 06/08/1982 | US4333828 Automatic dump valve |
| 06/08/1982 | US4333676 Rotational mechanism for an excavator grab bucket |
| 06/08/1982 | US4333251 Automatic bucket leveler |
| 06/08/1982 | US4333250 Multi-purpose attachment for vehicles |
| 06/02/1982 | EP0053063A2 Apparatus for extracting mud and for feeding it to a treatment station |
| 06/02/1982 | EP0052987A1 A coupling mechanism |
| 06/02/1982 | EP0006900B1 Tractor |
| 06/01/1982 | US4332517 Control device for an earthwork machine |
| 06/01/1982 | US4332094 Hydraulic locking of the boom to the swivel arm of an excavator, crane or the like |
| 06/01/1982 | CA1124753A1 Conveying apparatus for the conveying of mud from great depths, more especially ore mud |
| 05/26/1982 | EP0052402A2 Suction drag system |
| 05/26/1982 | EP0052112A1 Quick coupling |
| 05/25/1982 | US4331362 Portable cutting device for attachment to blades of earth moving machines |
| 05/18/1982 | US4329797 Amplified loader arm |
| 05/18/1982 | US4329796 Multi-use excavating and load handling machine |
| 05/18/1982 | US4329794 Ripping attachment for dragline |
| 05/18/1982 | US4329791 Plow caddy |
| 05/12/1982 | EP0051544A1 Apparatus with one or more extraction heads for loose, paste-like, gramular or pulverulant, wet or dry materials |
| 05/11/1982 | US4329103 Bucket loader attachment |
| 05/11/1982 | US4329087 Excavating and pipeline installation system |
| 05/11/1982 | US4328835 Automatic dump valve |
| 05/11/1982 | US4328630 Pullyoke assembly for a scraper |
| 05/11/1982 | US4328628 Snow plough assembly for a front end loader |
| 05/11/1982 | CA1123388A1 Fast interchange device for the implements of hydraulic excavators |
| 05/11/1982 | CA1123387A1 Two way side dump bucket attachment for front end loader |
| 05/04/1982 | US4327943 Material handling bucket arrangement |
| 05/04/1982 | US4327509 Ripper tooth attachment for a back hoe |
| 05/04/1982 | US4327508 Trencher digging chain sprocket drive |
| 05/04/1982 | US4327507 Rotary cutter head with jet flushing blades |
| 05/04/1982 | US4327506 Gear case for a suction cutter dredger |
| 05/04/1982 | US4327505 Remotely steerable dredge vehicle |
| 05/04/1982 | CA1122954A1 Mounting assembly for hydraulic conduits of a mobile apparatus |
| 04/27/1982 | US4326592 Tool for earthworking machine |
| 04/27/1982 | US4326347 Narrow ditch trencher |
| 04/27/1982 | US4326346 Crane for a towing suction device for a dredging craft |
| 04/21/1982 | EP0049925A2 Hydraulic excavator for wells |
| 04/21/1982 | EP0049846A2 Method of forming the bottom of a trench and for laying pipes on said bottom |
| 04/20/1982 | CA1122168A1 Power arm fitted with coupling devices for a member provided to control its position |
| 04/20/1982 | CA1122167A1 Welded structure of a power arm |
| 04/20/1982 | CA1122166A1 Power shovel crowd drive assembly |
| 04/20/1982 | CA1122002A1 Cushioned bulldozer blade |
| 04/13/1982 | US4324525 Loading apparatus |
| 04/13/1982 | US4324435 Lock assembly for earthworking apparatus |
| 04/13/1982 | US4324056 Wiping device for a ditch digging machine |
| 04/06/1982 | US4322898 Cutter head with adjustable suction nozzle |
| 04/06/1982 | US4322897 Airlift type dredging apparatus |
| 04/06/1982 | CA1121313A1 Front-loading hydraulic excavator |
| 04/01/1982 | WO1982001052A1 Anti-static device for ball valves |
| 04/01/1982 | WO1982001023A1 Building construction system component parts and method for assembling same |
| 04/01/1982 | WO1982001022A1 Arrangement for excavator buckets |
| 04/01/1982 | WO1982001021A1 Scraper bowl structure |
| 03/30/1982 | US4322178 Pavement patching apparatus |
| 03/30/1982 | CA1120900A1 Crowd drive assembly for power shovels |
| 03/30/1982 | CA1120711A1 Bulldozer blade mounting assembly |
| 03/24/1982 | EP0047803A1 Method of and suction dredging device for sucking up dredgings |
| 03/23/1982 | US4320988 Spreader/grader |
| 03/23/1982 | US4320925 Dredge cutterhead tooth |
| 03/23/1982 | US4320590 Dredging device |
| 03/23/1982 | US4320589 Snowplow apparatus |