Patents
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
07/1987
07/15/1987EP0228499A1 Dredging helical cutter
07/14/1987US4679337 Material working machine with vibrating tool carrier
07/14/1987US4679336 Earth moving machine
07/14/1987CA1224174A2 Apparatus for separating bitumen from tarsand
07/08/1987EP0227716A1 Switching arrangement for the hydraulic supply of aggregate of a loader.
07/07/1987US4677772 Excavator with extensible boom
07/02/1987DE3546078A1 Wheeled loader with shovel
07/01/1987EP0226660A1 Digging bucket wheel device
07/01/1987EP0226657A1 Apparatus for operating working element of excavator
06/1987
06/23/1987US4674945 Coupling means
06/23/1987CA1223295A1 Snubber
06/23/1987CA1223123A1 Quick attach tractor mounting assembly for agricultural dozer and loader implement
06/17/1987CN86208325U Silt-shifting machine driven by natural waterpower
06/10/1987EP0225243A1 Machine for digging trenches into the ground
06/09/1987US4670983 Metal cutting shear and adapter for mounting on a backhoe
06/03/1987EP0125242B1 A digging appartus applicable to a bucket loader
06/02/1987US4669947 Earth moving implement
06/02/1987US4669187 Shear apparatus
05/1987
05/27/1987EP0223766A1 Mobile loading and clearing device, in particular for a wheel bucket excavator
05/27/1987EP0223575A2 Drilling apparatus
05/26/1987US4668156 For mobile construction equipment
05/26/1987US4667528 Flanged rotary actuator
05/26/1987CA1222222A1 Light truck, intended for rapid intervention, having a scoop excavator
05/19/1987US4666360 Forklift linkage device
05/19/1987US4666337 Method and device for insulation of the ground
05/19/1987US4666049 Sideboom excavator with lifting means
05/13/1987CN86206272U Sealing device for double-cup grab
05/12/1987US4664203 Blade support for bulldozers and the like
05/12/1987US4663868 Scoop wheel having oscillating impact cutters
05/12/1987US4663866 Quick coupling attachment for operating tools
05/07/1987WO1987002727A1 Device for a load carrying unit
05/07/1987DE3538603A1 Clamshell grab
05/06/1987EP0221047A1 Support for a swivel jib of a loader
05/06/1987EP0220182A1 Machine for ploughing trenches and laying cables or wires therein
05/06/1987CN85107771A Swirling flow mud absorbing head
05/05/1987US4662684 Rotary rock and trench cutting saw
04/1987
04/30/1987DE3532092A1 Mobile mechanical shovel with digger
04/29/1987CN85107742A Excavating shovel
04/28/1987US4661036 Backhoe hydraulic latch arrangement
04/28/1987US4660306 Trencher attachment for hydraulic excavators
04/23/1987DE3537339A1 Apparatus for re-ripping roadways or the like in underground mine operation
04/23/1987DE3536961A1 Road-building machine
04/22/1987EP0219007A2 Interruption device for crane systems
04/22/1987EP0218899A2 Demolition scissors
04/21/1987US4659102 Front hitch assembly
04/21/1987US4658751 Amphibian vehicle for shallow water
04/16/1987DE3536790A1 Mixer
04/14/1987CA1220496A1 Peat harvester
04/14/1987CA1220404A1 Series self-leveling valve
04/07/1987US4655297 Convertible spreader grader assembly
04/07/1987US4654987 Grab bucket and actuating mechanism therefor
04/07/1987CA1220022A1 Snow plow clamp assembly
04/01/1987EP0216256A1 Motor grader
04/01/1987EP0215802A1 A ripping bucket arrangement.
03/1987
03/31/1987USRE32382 Digging wheel for a suction dredger vessel
03/26/1987WO1987001749A1 Control circuit for positioning an earthmoving blade
03/26/1987DE3533998A1 Combined levelling device for wheel dozers, bulldozers and refuse compactors
03/24/1987US4651449 Chain saw chain for digging trenches
03/19/1987DE3630976A1 Front loader
03/18/1987EP0214683A1 Mobile apparatus for carrying out work both above and below water
03/18/1987EP0214416A1 Levelling device for a drainage machine or the like
03/18/1987EP0128184B1 Mechanical grab
03/17/1987US4650393 Machine for excavating work
03/17/1987US4650389 Mechanism and method for positioning a fender on a dock vertical wall
03/17/1987US4650342 Agitating particulate solids
03/17/1987US4650206 Locking hitch assembly
03/17/1987CA1219120A1 Snowplow blade with spring-loaded edge flaps
03/11/1987EP0213134A1 Quick coupling attachment for operating tools
03/10/1987US4648780 Truck mounted backhoe
03/09/1987EP0198838A4 A load carrying and tipping vehicle.
03/04/1987CN85106133A Bucket transfer machine of chain-bucket dredger
03/03/1987US4647252 Underground pipe and tile laying apparatus
03/03/1987US4646450 Handling device for suction head equipment
03/03/1987US4646449 Bucket wheel dredging device
03/03/1987US4646448 Oyster dredging apparatus
03/03/1987CA1218680A1 Bucketwheel excavator
02/1987
02/26/1987WO1987001149A1 Levelling machine
02/25/1987EP0211091A1 Hydraulic control device for an implement mounted on a front loader
02/19/1987DE3612555A1 Lifting-gear drive for floating grab plant
02/19/1987DE3529315A1 Bucket-wheel machine
02/18/1987CN85106187A Under reaming pile bore excavating bucket and method of its excavation
02/17/1987US4643631 Quick coupling and release mechanism for buckets
02/17/1987US4643261 Motor grader with supplementary surface treatment attachment
02/17/1987US4642920 Digger tooth arrangement
02/17/1987US4642919 Submersible sludge removing apparatus
02/12/1987DE3527774A1 Device for releasing a working appliance on tractors which can be used for agriculture, forestry and/or building
02/12/1987DE3527328A1 Multi-grip for floating grab plant
02/11/1987CN86102084A Force-moment-enhanced pneumatic grabbing bucket
02/10/1987US4641889 Cutting machine
02/10/1987US4641439 Rock digging apparatus
02/10/1987CA1217786A Machine for digging and cleaning out trenches
02/04/1987EP0210319A1 Processing machine with an articulated arm, pivotable about a horizontal axis and turnable around 360 degrees about a vertical axis, adaptable to the rear end of a vehicle
02/04/1987EP0210217A1 Road sweeper assembly for fitting on the front bucket of an excavator/loader machine
02/03/1987US4640551 Rock saw unit for hard rock earth formations
02/03/1987US4640496 Dump block for dragline bucket
02/03/1987CA1217511A1 Suction dredger
02/03/1987CA1217405A1 Front wheel assist drive for a vehicle machine
01/1987
01/31/1987CN85101351A Divided-bucket type rotary excavator
01/29/1987WO1987000568A1 Device for displacing material
01/29/1987WO1987000567A1 Device for controlling power shovel