Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
12/1982
12/28/1982US4365787 Pipe string lift system
12/28/1982US4365429 Maximum lift system for hydraulic hoe
12/28/1982US4365428 Bucket mounted footing tool
12/28/1982US4365427 Suction dredge cutter head
12/21/1982US4364705 Loader mechanism
12/21/1982US4364439 Implement assembly with pivot connection
12/21/1982US4364438 Dual tractor road grader with double arched center frame
12/21/1982US4364434 Ground-raking, rock-gathering attachments for tractors
12/21/1982US4364191 Piling rake
12/21/1982CA1137928A1 Kickout bucket positioner
12/15/1982EP0067018A1 Material working machines
12/14/1982US4363178 Trencher tooth quick attachment
12/09/1982WO1982004275A1 Dirt road smoothing apparatus
12/09/1982WO1982004274A1 Material working machines
12/07/1982US4362420 Device for mounting and removing a cutter at the end of the cutter shaft from a cutter dredge
12/07/1982US4361973 Bulk material conveying for a pneumatic dredger
12/07/1982CA1137122A1 Dredge for excavating holes or channels in a water bed
12/07/1982CA1137034A1 Level excavation device
12/07/1982CA1136851A1 Piling rake
12/01/1982EP0065516A1 Depth monitoring system
11/1982
11/30/1982US4360982 Bucket with removable cutting plate
11/30/1982US4360981 Lip and tooth combination for bucket wheel excavator
11/30/1982US4360980 Backhoe adapter
11/30/1982CA1136389A1 Crane conversion method
11/25/1982WO1982004085A1 Device at combined bucket and frozen soil scarifier
11/25/1982WO1982004084A1 Arrangement for equipment mounted on excavating machines and similar machines
11/23/1982CA1136093A1 Loader mounting structure
11/16/1982US4359106 Agricultural implement for building irrigation flow channels
11/16/1982US4359103 Ground-working implement
11/16/1982US4359102 Resonance aided earth-working equipment
11/16/1982US4359101 Ground preparation tool for reforestation
11/16/1982US4358905 Power dozer
11/16/1982CA1135732A1 Method and apparatus for recovery of sediments from the bottom of the sea
11/16/1982CA1135593A1 Selectively actuatable fluid control for a work implement
11/16/1982CA1135501A1 Resonant beam for tool driving apparatus
11/11/1982WO1982003882A1 Implement assembly with pivot connection
11/09/1982US4358719 Peak power limiter system for excavator
11/09/1982US4358241 Bucket assembly for tractors
11/09/1982US4358240 Asymmetric backhoe
11/09/1982US4358129 Tractor with a built-on underframe for a tilling machine with arm
11/09/1982US4357764 Submarine vehicle for dredging and raising minerals resting on the sea bed at great depths
11/09/1982CA1135221A1 Powered implement with work elements pivotally mounted on an implement mounting and a torque tube for rotating such mounting
11/02/1982US4356645 Variable wing plow blade and mounting structure therefor
11/02/1982CA1134787A1 Dipper door retainer
10/1982
10/28/1982WO1982003645A1 Blade condition control system
10/28/1982WO1982003526A1 Lock assembly for earthworking apparatus
10/27/1982EP0063212A2 Apparatus for moving snow, gravel and soil
10/26/1982US4355946 Lift arm and control linkage structure for loader buckets
10/26/1982US4355945 Tool mounting apparatus
10/26/1982US4355944 Loader boom position retainer
10/26/1982US4355477 Working machine with improved jib section
10/26/1982US4355476 Bucket assembly
10/26/1982CA1134399A2 Ocean mining system
10/26/1982CA1134134A1 Hydraulically operated grade scraper
10/19/1982US4354797 Front loading hydraulic excavator
10/19/1982US4354321 Snow attachment for a road grader
10/19/1982CA1133955A2 Ocean mining system
10/13/1982EP0062111A2 Enhancing liquid jet erosion
10/12/1982US4353796 Apparatus for digging and transporting soil and sand, stones and rocks, minerals and the like
10/12/1982US4353424 Slash gathering vehicle
10/12/1982US4353175 Resonantly driven trenching tool
10/12/1982US4353174 Electronic control system for pneumatic-hydraulic pump dredge
10/12/1982CA1133359A1 Lock with variable length piston and hydraulic system for a work implement using the same
10/12/1982CA1133247A2 Bulldozer blade mounting assembly
10/05/1982US4352626 Loader arm positioning device
10/05/1982US4352398 Circuit for pitch and tilt of dozer blade
10/05/1982US4352251 Hand operated suction dredge head and hydraulic submersible pump assembly
10/05/1982US4352250 Suction dredger installation
10/05/1982CA1132948A1 Connectors
09/1982
09/30/1982WO1982003194A1 Lock pin assembly
09/29/1982EP0061299A2 Trench digger
09/29/1982EP0060885A1 Building construction system component parts and method for assembling same
09/28/1982US4351122 System for controlling the position of the drag pipe of a dredge
09/28/1982CA1132617A2 Ocean mining system
09/28/1982CA1132616A2 Ocean mining system
09/28/1982CA1132495A1 Lock mechanism for securing a backhoe boom and swing frame for transport
09/22/1982EP0060614A2 Earthworking apparatus
09/21/1982CA1132148A1 Trench rock saw
09/21/1982CA1132101A1 Excavator having telescopic arm assembly
09/21/1982CA1131906A1 Bulldozer
09/14/1982US4349308 Front end loader with bucket ejector assembly
09/14/1982US4349230 Tunnel boring machine
09/07/1982US4347676 Bucket-wheel excavator
09/07/1982US4347675 Dredging means having means for excluding oversized slender objects
09/07/1982CA1131100A1 Hydraulic linkages
09/01/1982EP0058912A1 Front end loader
08/1982
08/31/1982US4347031 Parking stand for tractor-dismounted front loader
08/31/1982US4346937 Dredging apparatus including suction nozzles
08/31/1982US4346528 Skid shoe for snow plow blade
08/31/1982CA1130826A1 Dredging vessel
08/31/1982CA1130825A1 Dredge with drag pipe
08/25/1982EP0058165A1 Load skidding vehicle.
08/24/1982US4345872 Connectors
08/24/1982US4345870 Quick attach loader
08/24/1982US4345388 Method for controlling the production of a dredging apparatus
08/24/1982CA1130342A1 Replaceable fastener for cover plates and the like
08/19/1982WO1982002738A1 Rock-scaling device
08/19/1982WO1982002731A1 Coupling for earth moving tools etc
08/19/1982WO1982002641A1 Bulldozer apparatus
08/18/1982EP0058058A2 Quick release and attachment assembly