Patents
Sitemap › E02 - Hydraulic engineering; Foundations; Soil-shifting › E02F - Dredging; Soil-shifting › E02F 3 - Dredgers; Soil-shifting machines
Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930)
12/1988
12/20/1988CA1246927A1 Front hitch assembly
12/20/1988CA1246926A1 Quick hitch and method of using same
12/15/1988WO1988009607A1 Earth breaking machine
12/14/1988EP0294843A1 Excavator
12/13/1988US4790717 Implement for moving rocks and the like
12/13/1988US4790085 Thrust coupling for a vehicle
12/13/1988US4790084 Backhoe bucket transport system
12/13/1988EP0288492A4 Excavator attachment.
12/08/1988DE3716911A1 Working vehicle with a set of interchangeable implements and a quick-change device for the implements
12/06/1988US4789266 Self-propelled construction apparatus
11/1988
11/30/1988EP0293057A2 Apparatus for controlling arm movement of industrial vehicle
11/30/1988CN87216931U Scraping and lifting device for agricultural four-wheel tractor
11/29/1988US4787811 Quick attach means for attachments
11/29/1988US4787777 Method and device for progressively producing an underwater laying-out channel
11/22/1988US4785893 Boom operated demolition apparatus and method of breaking composite material
11/22/1988US4785560 Continuous excavating apparatus
11/22/1988US4785559 Excavator for making a substantially vertical slot in the ground
11/17/1988EP0291027A1 Removal device
11/17/1988EP0290494A1 Connector.
11/17/1988DE3725726C1 Ditching roller on contractors plant - incorporates segments screwed to cutter shaft to form disc
11/15/1988US4784517 Method and device for working of road surfaces
11/15/1988US4784194 Inserted supporting means for worktables
11/15/1988CA1244857A1 Excavating shovel
11/08/1988US4782606 Method and apparatus for backfilling ditches
11/08/1988CA1244507A1 Excavator bucket
11/03/1988WO1988008470A1 Pneumatic extraction head
11/03/1988WO1988008368A1 Auto body crushing device
11/02/1988EP0288842A1 Coupling between the air pressure system on board of a floating dredger with the air pressure pipes arranged on the suction pipe
11/02/1988EP0288492A1 Excavator attachment.
11/01/1988US4781518 Tree gripping device
11/01/1988US4780972 Wheelmotor drive for rotary cutterhead
11/01/1988CA1244064A1 Ripping bucket arrangement
10/1988
10/26/1988EP0288314A1 Apparatus and method for controlling a hydraulic excavator
10/26/1988EP0287591A1 Boom for a vehicle.
10/25/1988US4780046 Latching mechanism for a loader
10/25/1988US4779481 Adjustable two-pedal swing control apparatus
10/25/1988US4779416 Control system for front end loader boom and bucket operating systems
10/25/1988US4779364 Device for a load carrying unit
10/25/1988CA1243532A1 Cutting edge for a road planer
10/20/1988WO1988007965A1 A method and an arrangement for filling so-called large sacks
10/19/1988EP0287529A1 Hydraulic circuit with a booster circuit for operating the working members of earth-moving machines
10/18/1988US4778211 Shovel-like, digging, scooping and transporting apparatus
10/18/1988US4778195 Tractor work implement coupler
10/11/1988US4776731 Method and apparatus for conveying solids using a high velocity vacuum
10/11/1988US4776524 Crusher
10/11/1988US4776114 Teeth on a tooth
10/11/1988US4776113 Corner guard system having a replaceable corner tooth
10/11/1988US4776112 Used with a separate waste processor
10/11/1988US4776093 Metal demolition shears
10/11/1988CA1242996A1 Quick attach means for attachments
10/11/1988CA1242995A1 Power-pivoting linkage for attachments on a loader
10/06/1988DE3710284A1 Apparatus and method for extracting contaminated earth
10/06/1988DE3710283A1 Apparatus for extracting and removing contaminated earth
10/05/1988EP0285281A1 Safety device intended for equipping a self-propelled appliance having stabilizers, especially a public works appliance of the shovel-loader type
10/05/1988EP0284643A1 Rotary grid-structure bucket for separating from each other fine and coarse particles of sizable materials or products
10/04/1988US4775287 Adjustable boom
10/04/1988US4775286 Hydraulic hose routing for tractor-mounted backhoe
10/04/1988US4775189 Bushing plate cutter
09/1988
09/29/1988DE3709186A1 Shovel excavator, especially dipper shovel excavator
09/28/1988CN87101852A Push type carryload scraper
09/27/1988US4773814 Earth moving machine
09/27/1988US4773302 Control apparatus and proportional solenoid valve control circuit for boom-equipped working implement
09/27/1988US4773219 Hydraulic drive system
09/22/1988WO1988007108A1 Operation speed controller of construction machine
09/21/1988EP0283286A2 Apparatus for removing a surface layer from the ground
09/21/1988EP0191017B1 Linkage arrangement for a loader-type vehicle
09/21/1988EP0166771B1 Excavator
09/21/1988CN87213711U Wearproof connecting assembly for towing chain digger bucket
09/20/1988US4771855 Backhoe vehicle
09/20/1988US4771540 Metal grapple shear
09/20/1988CA1242170A1 Bucket excavator
09/15/1988DE3724984C1 Pivotable shovel of a mobile implement
09/14/1988CN87214255U Combined interlock reinforced concrete prefabricated parts and clay digger with vertical channel making
09/13/1988US4770597 Clamping device for a backhoe
09/13/1988US4770595 Electrically operated material handling attachment for a garden tractor or the like
09/13/1988US4770253 Grader blade with tiered inserts on leading edge
09/13/1988US4769932 Walking dragline excavator frames with torsion resistant tubular-web rail girders and other improvements
09/06/1988US4768917 Loader boom mechanism
09/06/1988US4768297 Trenching wheel, more especially for digging trenches
08/1988
08/31/1988EP0280376A2 Hitch control system
08/31/1988CN87107639A Active floor sinking loader bucket
08/30/1988US4767255 Backhoe boom cylinder bleed circuit
08/25/1988WO1988006211A1 Mobile pump installation
08/25/1988WO1988006210A1 Industrial vehicle
08/24/1988EP0279735A1 Method for sea mining exploitation
08/24/1988EP0279362A1 Hydraulic system
08/24/1988EP0279356A1 Hydraulic system for a construction machine
08/24/1988EP0279338A1 Grader blade with tiered inserts on leading edge
08/23/1988US4765072 In a digging boom assembly
08/23/1988US4765071 Dredge cutter head with shock absorber
08/17/1988EP0278571A1 Device for coupling a tool to pivoting arms of an earthmoving machine or the like.
08/17/1988EP0278335A2 Method and device for removing mud from a harbour basin or such
08/16/1988US4763860 Cockpit provided with a lateral control stick adapted to be actuated one-handed and seat for such a cockpit
08/16/1988CA1240644A1 Earth moving implement
08/11/1988WO1988005848A1 Chain digger attachment
08/11/1988WO1988005847A1 A quick coupling means for a working implement of an excavating machine
08/11/1988WO1988005846A1 Stop position correction apparatus of bucket
08/10/1988EP0277326A2 Road working apparatus
08/09/1988US4762184 Digging point assembly
08/09/1988US4761900 Excavating tooth assembly
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