Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
10/1979
10/16/1979CA1064529A1 Ditch digger
10/16/1979CA1064254A1 Tractor mounted scraper blade
10/09/1979US4170079 Dredge with rotatable cutter discs
10/09/1979CA1064145A1 Load control for engine of vehicle for agricultural work with rotary working implement
10/09/1979CA1064059A1 Apparatus for progressively removing layers of overburden from an inclined side of a cut
10/09/1979CA1063978A1 Linkage support system for material handling unit
10/03/1979EP0004378A1 Apparatus for the subaqueous entrenching of pipes
10/02/1979CA1063557A1 Metering flow device for loading and conveying machines
09/1979
09/25/1979US4168757 Drive system for a skid steer loader
09/25/1979CA1063069A1 Scraper elevator drive support with alignment adjustment
09/18/1979US4168087 Tapered channel modular main frame
09/18/1979US4167979 C-frame assembly for bulldozer
09/18/1979US4167826 Self-loading dualistic earth excavator with connecting telescopic conveying and dualistic distribution means
09/18/1979US4167825 Material diverting apparatus for an auger scraper
09/18/1979CA1062587A1 Tree shear tilting mechanism
09/11/1979US4167072 Boom arrangement for dragline
09/04/1979US4166633 Coupling hook for pulling vehicles
09/04/1979US4166506 Controlling apparatus for bulldozer blade
09/04/1979CA1061749A2 Pivotally adjustable router bit
09/04/1979CA1061546A1 Blade attachment with built-in air vent
09/04/1979CA1061545A1 Tractor front supported implement attachment frame
09/04/1979CA1061544A1 Pavement cutting wheel mounting for earth moving equipment
08/1979
08/22/1979EP0003655A1 Tractors and fittings therefor
08/21/1979US4164821 Snow plow blade attachment system
08/14/1979US4164082 Excavator for anchor holes
08/14/1979CA1060562A1 Automatic control system for backhoe
08/14/1979CA1060392A1 Drive means for an elevating scraper elevator
08/14/1979CA1060221A1 Padding machines
08/08/1979EP0003384A1 A dredgings transport conduit
08/07/1979US4163628 Implement circuit for motor with slow and fast dump
08/07/1979US4163627 Mounting for an implement on a tractor
08/07/1979US4163498 Tower assembly
08/07/1979US4163330 Dredge cutter head having a volute compartment
08/07/1979CA1060117A1 Float control electrical circuit for a blade
08/07/1979CA1059841A1 Fairing for pipes
07/1979
07/31/1979US4162873 Extensible boom lift
07/31/1979US4162872 Lift arm assembly
07/31/1979US4162708 Tool carrying vehicle with laser control apparatus
07/31/1979US4162584 Excavating wheel with cam assisted bucket wall ejector
07/31/1979CA1059557A1 Releasable lock for excavating tooth
07/24/1979US4162102 Method and device for loosening stony soil
07/24/1979US4162017 Granular or pulverulent product storing and handling installation
07/24/1979US4161987 Tractor grader
07/17/1979US4161369 Loader boom assembly
07/17/1979US4161072 Ditch digger with adjustable side wings
07/17/1979CA1058661A1 Bucket construction
07/17/1979CA1058655A1 Vehicle coupling system
07/10/1979CA1058246A1 Loader main frame for skid steer loader
07/10/1979CA1058241A1 Impact absorbing vehicle coupling system
07/03/1979US4159796 Method for making a boom
07/03/1979US4159668 Method for placing explosives in submerged rock
07/03/1979US4159585 Rotary trencher and shoe assembly therefor
07/03/1979US4159583 Elevating scraper up-stop mechanism
06/1979
06/28/1979WO1979000370A1 Bulldozer blade angle slide mechanism
06/26/1979US4158924 Tooth arrangement for rotary trencher
06/26/1979CA1057316A2 Conveyor folding and moldboard operation for excavating and loading systems
06/26/1979CA1057131A1 Furrowing tool
06/12/1979US4158162 Time-proportioning control system for earth-working machines
06/12/1979US4157956 Materials handling
06/12/1979US4157623 Conveyor folding and moldboard operation for excavating and loading systems
06/12/1979CA1056193A1 Power shift mechanism for earth working implements
06/12/1979CA1056154A1 Cooling system for rock ripper tip
06/05/1979US4157118 Automatic control systems for the working tool of a civil machine
06/05/1979US4156977 Conveyor folding and moldboard operation for excavating and loading systems
05/1979
05/29/1979US4156488 Cross-member assembly
05/29/1979US4156487 Hose guard
05/29/1979US4156466 Automatic grade and slope control apparatus
05/29/1979US4156317 Dredge swinging system
05/29/1979CA1055535A2 Conveyor folding and moldboard operation for excavating and loading systems
05/29/1979CA1055534A2 Conveyor folding and moldboard operation for excavating and loading systems
05/29/1979CA1055533A2 Conveyor folding and moldboard operation for excavating and loading systems
05/29/1979CA1055418A Granular or pulverulent product storing and handling installation
05/29/1979CA1055385A Method and tool for applying ties
05/22/1979US4155473 Material handling apparatus
05/22/1979US4155470 Strain reducing transfer member
05/22/1979US4155181 Conveyor folding and moldboard operation for excavating and loading systems
05/22/1979CA1054791A2 Motor grader blade assembly
05/15/1979US4154551 Flow-through swivel pipe joint
05/15/1979US4154471 Vehicle frame having torsional cross members
05/15/1979US4154349 Excavating implement stabilizer
05/15/1979CA1054485A1 Control system for auxiliary front wheel drive
05/08/1979US4153301 Apparatus for breaking up a layer of substantially rigid material
05/08/1979US4153167 Cross tube construction
05/08/1979US4153166 Crowd system for power shovels
05/08/1979US4153165 Scraper
05/08/1979US4153117 Cushion dozer with three point attachment support
05/08/1979US4152850 Bucket-wheel trench excavator having a four-element articulated linkage including two pivotably connected hydraulic cylinders
05/08/1979CA1054183A1 Hydraulic actuated grab bucket
05/08/1979CA1054165A1 Method device for collecting solid components immersed in water
05/01/1979US4151921 Means for counterbalancing a material handling machine
05/01/1979US4151887 Cushion dozer with high pivot mounting
05/01/1979US4151664 Ripper attachment for backhoe or front end loader
04/1979
04/24/1979US4150812 Load equalizing bail assembly
04/24/1979US4150726 Land plane
04/24/1979US4150504 Stabilized digging mechanism
04/24/1979US4150503 Apparatus for excavation and earth removal from aquatic bottoms
04/24/1979US4150502 Method and apparatus for breaking up lumps of stone from a subaqueous soil
04/24/1979CA1053144A1 Wheel and tire cutter
04/17/1979US4149739 Dual passage pipe for cycling water to an undersea mineral aggregate gathering apparatus
04/17/1979US4149604 Mining equipment