| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
|---|
| 10/12/1993 | US5251705 Hydraulic circuit |
| 10/12/1993 | US5251389 Of a mining machine |
| 10/12/1993 | CA1322993C Device for attaching working machine to vehicle |
| 10/07/1993 | DE4225186A1 Steel cropping head for mechanical shovel - has synchronously actuated upper and lower jaws which can swivel on mounting bracket if force exceeds given limit |
| 10/07/1993 | DE4210353A1 Chain cutter with forced material discharge for road construction - incorporates numerous collapsible hooks which close slots in chain after they have passed sprocket teeth |
| 10/06/1993 | EP0563513A1 Implement lifting device for loader |
| 10/06/1993 | EP0563473A1 Excavator and method of using excavator |
| 10/06/1993 | EP0563472A1 Excavator and methods of use thereof |
| 10/06/1993 | EP0475965B1 A device for a sorting shovel |
| 10/06/1993 | CN1076983A High voltage ripping apparatus |
| 10/06/1993 | CN1076982A Excavator for constructing underground continuous wall and underground continuous wall construction method |
| 10/06/1993 | CN1076981A Excavator for constructing underground continuous wall and construction method using the excavator |
| 10/05/1993 | US5249379 Mounting structure for the linear actuators of a trenching apparatus |
| 10/05/1993 | US5249378 Submersible; for use in combination with an excavator |
| 09/30/1993 | WO1993019252A1 Operating machine with an articulated arm, laterally displaceable, endowed at the end of the respective operating means |
| 09/29/1993 | EP0562870A1 Conveying device for trenching apparatus |
| 09/28/1993 | US5248237 Frame structure of a working vehicle for attaching a working implement |
| 09/28/1993 | US5248188 Chain for trencher apparatus |
| 09/28/1993 | US5247743 Method and apparatus for digging trenches |
| 09/23/1993 | DE4206934A1 Tipping control for bucket of excavator - has operating arm linked to bucket and forward end of jib arm |
| 09/22/1993 | EP0561121A1 Hydraulic shearing implement for hydraulic excavators |
| 09/22/1993 | EP0560867A1 Tool for making holes in the ground. |
| 09/21/1993 | US5245770 Dipper stick for excavator of high strength polymeric composite materials and method for manufacturing such |
| 09/21/1993 | US5245769 Trencher for mounting on a tractor |
| 09/16/1993 | DE4208245A1 Interchangeable jib arm arrangement for excavator - has basic arm and hydraulic cylinder connecting plate located for attachment of tool arm or specialist function sections. |
| 09/14/1993 | US5244337 Mobile shovel excavator |
| 09/14/1993 | US5244315 Excavator for constructing underground continuous wall and underground continuous wall construction method |
| 09/14/1993 | US5244306 Vibratory compactor attachment for mechanical equipment |
| 09/12/1993 | WO1993024282A1 Process and tool for removing floor and wall coverings |
| 09/07/1993 | US5242258 Quick disconnect bucket actuator |
| 09/07/1993 | US5242246 Surface remediator |
| 09/07/1993 | US5241765 Lock assembly for wearable structure |
| 09/07/1993 | US5241764 Bucket assembly with screening function |
| 09/07/1993 | US5241763 Plow attachment |
| 09/02/1993 | WO1993017190A1 Front end loader attachment convertible between loading bucket and side-shift-angle dozer configurations |
| 09/02/1993 | DE4205973A1 Bucket dredger for excavating sand and gravel - with dredger and winch arranged on pontoons linked by swivelling bridge to shore |
| 09/01/1993 | EP0557619A1 Cutter assembly such as for mounting to the ladder of a suction dredger |
| 09/01/1993 | EP0557600A1 Two parts tilting bucket |
| 09/01/1993 | CN1075763A Mud-Suction head |
| 08/31/1993 | US5240367 Front loader attaching and removing method |
| 08/31/1993 | US5240366 Loader vehicle |
| 08/27/1993 | CA2089020A1 Scoop for a mobile implement |
| 08/25/1993 | CN2140919Y Gravity oscillating-digging suction dredger with scraper |
| 08/24/1993 | US5237888 Apparatus for remote motion control |
| 08/24/1993 | US5237762 Grabbing device |
| 08/24/1993 | US5237761 Rotary ditcher having ripper blades |
| 08/19/1993 | WO1993016330A1 Surface remediator |
| 08/19/1993 | WO1993016254A1 Materials placing apparatus |
| 08/19/1993 | WO1993016239A1 Lock assembly for wearable structure |
| 08/19/1993 | WO1993016238A1 Integral excavation equipment |
| 08/19/1993 | DE4204311A1 Coupling for fixing plant to tractor arms etc. - has connecting rods with catches which hook onto plant and bolts which only then slide into position |
| 08/18/1993 | EP0555566A1 Hydraulic coupling device to connect and disconnect the implement to an excavator |
| 08/18/1993 | EP0555459A1 Suction dredger |
| 08/10/1993 | US5235511 Method for automatic depth control for earth moving and grading |
| 08/10/1993 | US5234312 Loading unit attitude control system |
| 08/05/1993 | WO1993015273A1 Tool for road planing cutter |
| 08/04/1993 | EP0553378A1 Device for making a slot in the soil during the construction of a sealing or protecting wall |
| 08/04/1993 | EP0553348A1 System for controlling number of rotations of prime mover in hydraulically driven vehicle |
| 08/04/1993 | EP0372013B1 Stone tongs for excavators |
| 08/04/1993 | EP0343191B1 Positive keeper means for pins of earthworking tips |
| 08/04/1993 | CN2139598Y Small size hydraulic dredge with horizontal rotary knife |
| 08/04/1993 | CN2139597Y Crown type reamer hood |
| 08/04/1993 | CN2139596Y Multifunctional bulldozer with adjustable ladle |
| 08/04/1993 | CN2139572Y Rake |
| 08/04/1993 | CN1074965A Dragline buckef and method of operating the same |
| 08/03/1993 | US5232502 Pipe handling apparatus |
| 08/03/1993 | US5232330 For a tractor |
| 08/03/1993 | US5232057 Single lever multiple function control mechanism |
| 07/27/1993 | US5230151 Heavy duty shear head and mounting support |
| 07/22/1993 | WO1993014321A1 Automatic cushioning control apparatus for cylinder of working machine |
| 07/21/1993 | EP0551487A1 System for in-situ treatment of underwater contaminated material |
| 07/20/1993 | US5228797 Connecting pin device for working machine operating links |
| 07/20/1993 | US5228735 Hydraulically operated clam bucket with improved force transferring arrangement |
| 07/20/1993 | US5228222 Digging and propulsion unit for a trenching apparatus |
| 07/20/1993 | US5228221 Boom assembly for a trencher machine |
| 07/20/1993 | US5228220 Bucket chain excavator |
| 07/14/1993 | EP0551160A1 Apparatus support for mounting on automotive vehicles, in particular for preparing ski slopes |
| 07/14/1993 | CN1074263A Surface mining shovel |
| 07/13/1993 | US5226497 Carrier/excavator remote operating system |
| 07/13/1993 | US5226348 Electro-hydraulic quick drop circuit |
| 07/13/1993 | US5226249 Tightline apparatus for draglines |
| 07/13/1993 | US5226248 Trencher |
| 07/08/1993 | DE4200143A1 Stable twin grab hydraulic excavator - has design free from swinging motion and its bucket has drive which can slew it through full circle and incorporates low friction surface |
| 07/06/1993 | US5224816 Mounting structure for a loader attachment |
| 07/06/1993 | US5224555 Wear element for a scraping operation |
| 07/06/1993 | US5224268 Apparatus for shearing a material mass |
| 06/30/1993 | EP0549091A2 Working machine with raisable cabin |
| 06/30/1993 | EP0548707A1 Method and device to increase the water depth of a watercourse |
| 06/30/1993 | EP0376942B1 A method and an arrangement for filling so-called large sacks |
| 06/29/1993 | US5224033 Work automation apparatus for hydraulic drive machines |
| 06/27/1993 | CA2078250A1 Semi-automatic coupling apparatus |
| 06/25/1993 | CA2075773A1 Dragline bucket line protection device |
| 06/24/1993 | DE4139379A1 Mobile remote-controlled machine for demolition, loading, and digging - has hydraulic cylinders, which are fixed to permit independent control consisting of proportional, path and double return valves |
| 06/23/1993 | EP0547378A1 Ultrasonic-control device for a mobile milling machine |
| 06/22/1993 | US5220845 Vibratory compactor bearing lubrication |
| 06/22/1993 | CA1319344C Loader lift arm structure |
| 06/17/1993 | DE4238418A1 Excavator for opencast working - has bucket on boom derricking on derricking jib by action of lifting mechanism and has slider to thrust bucket into earth |
| 06/16/1993 | EP0546154A1 Apparatus and methods for cutting soil and in situ construction of subsurface containment barriers. |
| 06/16/1993 | CN2136275Y Shallow water dredger |
| 06/15/1993 | US5219380 Trenching apparatus |