| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
|---|
| 02/27/1991 | CN1011803B Dipper teeth of digging machine |
| 02/26/1991 | US4995760 Towable |
| 02/26/1991 | US4995176 Replaceable wear element, assembly and method |
| 02/26/1991 | US4995175 For underwater debris |
| 02/26/1991 | CA1280670C Hydraulic hose routing for tractor-mounted backhoe |
| 02/21/1991 | WO1991002126A1 Multi-purpose device fitted at the front of machines for building road backfill and the like and comprising a blade for pushing the materials |
| 02/21/1991 | WO1991002125A1 Linear excavation control apparatus in hydraulic excavator |
| 02/21/1991 | WO1991002124A1 Tiltable earthworking tool |
| 02/21/1991 | DE3926976A1 Machine for cutting concrete - has frame with drive motor for frame cutting head |
| 02/15/1991 | CA2008944A1 Trenching attachment |
| 02/15/1991 | CA2008942A1 Trenching attachment mounting system |
| 02/13/1991 | EP0412477A1 Grab bucket provided with anchoring means to the trench wall |
| 02/13/1991 | EP0412402A1 Control method for earth-moving machines |
| 02/13/1991 | EP0412400A1 Collision safety device for earth moving machines |
| 02/13/1991 | EP0412399A1 Dug volume control for a bucket wheel excavator |
| 02/13/1991 | EP0412398A1 Dug volume measure according to the cutting profile of a bucket wheel excavator or the like |
| 02/13/1991 | EP0412395A1 Bucket wheel excavator steering for building planned surfaces |
| 02/13/1991 | EP0412203A1 Cushioning device for impact tool |
| 02/13/1991 | EP0412186A1 Excavating tooth |
| 02/13/1991 | CN2071212U Automatic controlling device for bulldozer scraper lifting |
| 02/12/1991 | US4992020 Front loader lifting attachment |
| 02/12/1991 | US4991997 Method and apparatus for the transport of particulate solids using a submerged fluid induction device |
| 02/12/1991 | US4991662 Land fill spreader blade assembly |
| 02/12/1991 | US4991322 Device for affixing cutter drums to an apparatus intended for cutting trenches in the ground |
| 02/12/1991 | US4991321 Pneumatic device for excavating and removing material |
| 02/12/1991 | CA1280130C Trenching system with trench wall enhancer, local longitudinal tractor, and concrete pouring facility |
| 02/12/1991 | CA1279989C Motor grader with high-lift shift cylinder and hydraulic lock means |
| 02/07/1991 | WO1991001414A1 Coupling of drive systems to an accessory of an excavator or the like |
| 02/07/1991 | WO1991001413A1 Adjustable swivelling joint for an excavator or the like |
| 02/05/1991 | US4989824 Motor block fastening device for a trenching machine |
| 01/31/1991 | DE3943536A1 Excavator optional accessory with release mechanism |
| 01/31/1991 | DE3943515A1 Excavator optional accessory with release mechanism |
| 01/29/1991 | US4987689 Trenching attachment mounting method |
| 01/29/1991 | CA1279679C Excavating tooth assembly |
| 01/24/1991 | DE3923113A1 Arrangement for cleaning sea beds contaminated by pumpable material - has underwater vehicle with stirring system and pump in underside hopper |
| 01/23/1991 | EP0409244A2 Step device in miniature shovel car |
| 01/22/1991 | US4986722 Mounting structure for a loader attachment |
| 01/22/1991 | US4986075 Hydraulic circuit for backhoe |
| 01/16/1991 | EP0408183A2 Dredging module for use with conventional back hoe apparatus |
| 01/16/1991 | EP0408008A2 Seat device for very small size shovel car |
| 01/16/1991 | EP0407934A2 Method for executing monolithic continuous straights or circular structural walls and a machine for realizing such a method |
| 01/16/1991 | EP0407467A1 Hammer-swinging mechanism. |
| 01/16/1991 | CN2069438U Dual purpose machine with rammer and excavating function |
| 01/16/1991 | CN2069437U Rotary suction dredging machine for soft ground |
| 01/16/1991 | CN1011252B Improved dragline apparatus |
| 01/15/1991 | US4984958 Carrier frame for a quick coupler |
| 01/15/1991 | US4984957 Work-implement adapter for front loader |
| 01/15/1991 | US4984956 Apparatus for controlling speed of working machine in the form of a construction machine |
| 01/15/1991 | US4984858 Light beam scanning optical system |
| 01/15/1991 | US4984639 Demolition hammer |
| 01/15/1991 | CA1278978C Hydraulic system for an industrial machine |
| 01/10/1991 | DE3920392A1 Verfahren zum abbau und zur foerderung einer unter wasser lagernden bodenschicht und vorrichtung zur durchfuehrung des verfahrens A method for degrading and foerderung a ground layer overlying underwater and apparatus for performing the method |
| 01/10/1991 | DE3920011A1 Winning equipment in mine - is mounted on self-propelled tracked vehicle and has toothed milling roller and conveyor belt system |
| 01/09/1991 | EP0406435A1 Work automation method and apparatus for electronic control type hydraulic driving machine |
| 01/08/1991 | CA1278798C Submersible hydraulic cutter suction dredging system |
| 01/08/1991 | CA1278780C Boom for material handling apparatus |
| 01/02/1991 | EP0405950A2 Digging machine |
| 01/02/1991 | EP0405813A2 Implement attachment coupler |
| 01/02/1991 | EP0405725A2 Method and apparatus for controlling motorgrader cross slope cut |
| 01/01/1991 | US4980980 Tooth for a digging bucket of an excavator |
| 12/28/1990 | CA2015607A1 Method and apparatus for controlling motorgrader cross slope cut |
| 12/27/1990 | EP0404229A2 Device for breaking objects consisting of concrete or similar material |
| 12/27/1990 | CA1278318C Road planer with full width cutting/excavating tool |
| 12/26/1990 | CN2068109U Dual-purpose machine for tamping and digging |
| 12/25/1990 | US4979781 Bench mining method and apparatus |
| 12/25/1990 | US4979322 Apparatus and method for forming a crater in material beneath a body of water |
| 12/20/1990 | DE3919470A1 Excavator optional accessory with release mechanism |
| 12/20/1990 | DE3919469A1 Excavator optional accessory with release mechanism |
| 12/20/1990 | DE3919467A1 Excavator optional accessory with release mechanism |
| 12/19/1990 | EP0402619A2 Continual digging-transport-loading accessory for earth moving equipment |
| 12/19/1990 | CN1010862B Loader attachment |
| 12/18/1990 | US4978246 Apparatus and method for controlling laser guided machines |
| 12/18/1990 | CA1277975C Process to sink an in-ground pile, as well as boring machine and device used in said process |
| 12/13/1990 | WO1990015196A1 Shovel, in particular trenching shovel |
| 12/13/1990 | DE3918600A1 Schaufel, insbesondere planierschaufel Blade, in particular Grading |
| 12/12/1990 | EP0402247A1 Method and apparatus for loosening the panel and sealing of a wall moulded in the ground, from the concrete to which it adhers |
| 12/11/1990 | US4976052 Towed, powered, land grader |
| 12/11/1990 | US4976051 Rotary trench excavator |
| 12/11/1990 | CA1277633C Method and apparatus for separating from excavated materials the fine and coarse constituents thereof |
| 12/06/1990 | CA2018407A1 Process and apparatus for separating end joint of wall panel in floor from concrete surface |
| 12/05/1990 | CN1047547A Multi-kinfe reciprocating grader |
| 12/05/1990 | CN1010702B Trenching apparatus |
| 12/04/1990 | US4974350 Blade/scoop unit for bulldozer |
| 12/04/1990 | US4974349 Backhoe compactor apparatus |
| 12/04/1990 | US4974348 Chain digger attachment |
| 11/28/1990 | EP0399043A1 Method of operating a working machine for construction vehicles |
| 11/27/1990 | USRE33454 Wear runner for excavating bucket |
| 11/27/1990 | US4973214 Lift arm structure for front-end loaders |
| 11/22/1990 | EP0398833A1 Apparatus enabling handling, interlocking, guiding, driving and connecting steel profiles or piles |
| 11/22/1990 | EP0398110A2 Attachment device for loader tools |
| 11/22/1990 | CA2016043A1 Bucket wheel assembly |
| 11/21/1990 | CN1010489B Under reaming pile bore excavating bucket and method of its excavation |
| 11/14/1990 | CN2065627U Siphon type mud removing machine |
| 11/13/1990 | US4969280 Side wing assembly |
| 11/13/1990 | US4969279 Mobile earth mover having a scraper blade |
| 11/13/1990 | CA1276083C Boom operated demolition apparatus and method of breaking composite material |
| 11/07/1990 | EP0233945B1 Device for controlling power shovel |
| 11/06/1990 | US4968213 Universal tractor loader mount |
| 11/06/1990 | US4967850 Combined tooth retractor and blade latching mechanism |
| 11/06/1990 | CA1275912C Deep sea mining process |