| Patents for E02F 3 - Dredgers; Soil-shifting machines (20,930) |
|---|
| 05/25/2011 | CN201843154U Oil-electricity mixed wheel-type semi-rotary excavator |
| 05/25/2011 | CN201843153U Loader and working mechanism thereof |
| 05/25/2011 | CN102071711A Entire-vehicle control system for special metallurgical crawler loader and control method thereof |
| 05/25/2011 | CN102069049A Self-excitation aspiration pulse jet nozzle |
| 05/25/2011 | CN101191336B Special-purpose digging machine for digging deep foundation ditch |
| 05/24/2011 | US7946063 Attachment system and leveler attachment for a mechanical hoe |
| 05/24/2011 | CA2582077C Electronic level indicator for a loader bucket |
| 05/24/2011 | CA2579120C Autonomous loading shovel system |
| 05/24/2011 | CA2377039C Construction vehicle with a working appliance |
| 05/19/2011 | US20110116903 Loader attachment mounting apparatus for movable work vehicle and loader equipped with said loader mounting apparatus |
| 05/19/2011 | US20110114343 Push Frame With Tapered Cross-Beam |
| 05/19/2011 | US20110113658 Excavator and a method for constructing an underground continuous wall |
| 05/19/2011 | DE102009052833A1 Absaugvorrichtung für einen Saugbagger zum Aufnehmen und Abscheiden von Sauggut, wie Erdreich oder Schlämmen, sowie damit ausgerüsteter Saugbagger Suction for a suction dredger for receiving and depositing dirt in, such as soil or sludge, and thus equipped suction dredger |
| 05/19/2011 | DE102009046213A1 Alternate frame for demountable coupling of receptacle of tool in working vehicle, particularly front loader, has carrier, coupling element rigidly fastened to carrier and manual or automated locking mechanism with locking element |
| 05/19/2011 | CA2776744A1 Retrofitted excavator tooth attachment |
| 05/18/2011 | EP2322728A2 Backhoe dredger for dredging soil material under water |
| 05/18/2011 | EP2322727A1 Suction device for a suction dredge for holding and separating sucked goods, such as soil or mud, and suction dredge comprising same |
| 05/18/2011 | CN201835306U Control system for universal quick connector |
| 05/18/2011 | CN201835305U Novel hydraulic full circle swinging gripper device |
| 05/18/2011 | CN201835304U Automatic control system for pressing and rolling pipe of continuous wall grab bucket |
| 05/18/2011 | CN201835303U Excavator for coal mines |
| 05/18/2011 | CN201835302U Working mechanism of side-dumping rock loader |
| 05/18/2011 | CN201835301U Loading mechanism used on underground load-haul-dump machine |
| 05/18/2011 | CN201835300U Wheeltrack type single-bucket hydraulic excavator |
| 05/18/2011 | CN201835299U Grit excavating loader |
| 05/18/2011 | CN201835298U Rescue shovel with hoisting function |
| 05/18/2011 | CN201830621U Hoe for treating sheet deposit |
| 05/18/2011 | CN1780965B Releasable coupling assembly |
| 05/18/2011 | CN102066670A Hydraulic circuit apparatus for hydraulic shovel |
| 05/18/2011 | CN102061716A Multi-purpose loader |
| 05/18/2011 | CN102061715A Control mechanism of short ridge farming baffle-building machine |
| 05/18/2011 | CN102061714A Control method for descending movable arm of excavator |
| 05/18/2011 | CN102061713A Coal charging machine for blasting driving face of coal mine |
| 05/18/2011 | CN101666104B Excavating mechanism of controllable planar three degree of freedom |
| 05/17/2011 | US7942208 System and method for blade level control of earthmoving machines |
| 05/12/2011 | WO2011056920A2 Variable wheelbase motor grader |
| 05/12/2011 | WO2011054334A1 Milling drum |
| 05/12/2011 | WO2010105801A3 Extendable fluid coupler |
| 05/12/2011 | US20110110708 Interchangeable hoist and drag link |
| 05/12/2011 | US20110108297 Excavator, mounting device and excavator tool |
| 05/12/2011 | US20110108294 Variable Wheelbase Motor Grader |
| 05/12/2011 | DE102009051995A1 Hydraulic switching arrangement for e.g. mower mechanism of excavator, has control valve supplying fluid to inlet of motor driving electrical generator, where outlet of motor is connected with leakage liquid line |
| 05/11/2011 | EP2319994A1 Dozer device |
| 05/11/2011 | EP1892337B1 Loading device for working machine |
| 05/11/2011 | CN201826340U Weight lever compressing mechanism special for bulldozer |
| 05/11/2011 | CN201826339U Boosting type dual-purpose device for removing snow and leveling |
| 05/11/2011 | CN201826338U Telescopic-arm excavating device for excavating loader |
| 05/11/2011 | CN201825639U Special tool for hoisting steering clutch of bulldozer |
| 05/11/2011 | CN201825142U Environment-friendly minitype crawler type skidding tractor |
| 05/11/2011 | CN102051893A Multi-purpose loader head quick switching connection mechanism |
| 05/11/2011 | CN102051892A Electronic control device for ridge tillage dike constructor and control method |
| 05/11/2011 | CN101581106B Mud-sucking device provided with dredging mechanism |
| 05/11/2011 | CN101255705B Spade-locating device for rock loader |
| 05/10/2011 | US7937859 Wheeled load transfer device |
| 05/10/2011 | US7937858 Hitch assembly and tractor scraper using same |
| 05/10/2011 | US7937857 Ground-working machine |
| 05/10/2011 | CA2495337C Ditch digging bucket |
| 05/10/2011 | CA2387725C Multiple tool attachment system |
| 05/05/2011 | WO2011051923A1 A quick hitch coupler |
| 05/05/2011 | WO2011022477A3 Implement control system for a machine |
| 05/05/2011 | US20110106384 Method and system for machinery control |
| 05/05/2011 | US20110100655 Tractor with detachable implement handling apparatus |
| 05/05/2011 | US20110099860 Multi-purpose bucket |
| 05/05/2011 | US20110099859 Underwater excavation apparatus |
| 05/05/2011 | DE202009017388U1 Arbeitsmaschine, insbesondere Bagger Machine, especially excavator |
| 05/05/2011 | CA2779368A1 A quick hitch coupler |
| 05/04/2011 | EP2317016A2 Underwater excavation apparatus |
| 05/04/2011 | CN201817838U Fixing support of excavator counterweight and excavator main frame |
| 05/04/2011 | CN201817834U Quick change device for loader accessories |
| 05/04/2011 | CN201817833U Two-way soil-pushing plate installed on excavator |
| 05/04/2011 | CN201817832U Lifting device for bucket of excavator |
| 05/04/2011 | CN201817831U Excavator bucket |
| 05/04/2011 | CN201817830U Simple dual-purpose machine for excavating and hoisting in constructional engineering over water |
| 05/04/2011 | CN201817829U Excavator arm |
| 05/04/2011 | CN201817828U Full-bridge swing electric scooptram |
| 05/04/2011 | CN201817827U Excavator |
| 05/04/2011 | CN201817826U High-accuracy metering loading machine |
| 05/04/2011 | CN201816048U Butted and combined shovel handle |
| 05/04/2011 | CN102047075A A method for position-calibration of a digging assembly for electric mining shovels |
| 05/04/2011 | CN102041821A Bucket and operation vehicle |
| 05/04/2011 | CN102040163A Hoisting limit switch and lifting device |
| 05/04/2011 | CN101457536B Siphon multi-point sand pumping device and using method thereof |
| 05/04/2011 | CN101440625B Steering propulsion unit for suction head of suction dredger |
| 05/03/2011 | US7934899 Bucket attachment for loader |
| 04/28/2011 | WO2011050143A2 Pallet fork implement for work machine |
| 04/28/2011 | WO2011049061A1 Bucket and operation vehicle |
| 04/28/2011 | WO2011048413A1 A coupler for coupling an attachment to a machine |
| 04/28/2011 | WO2011008694A3 Shear resistant excavation component |
| 04/28/2011 | WO2011002234A3 Polluted soil cultivation device for use in backhoe excavator |
| 04/28/2011 | US20110094130 Excavator bucket |
| 04/28/2011 | DE102009051669A1 Swivel attachment device for industrial truck, has swivel unit, where pivot movement of swivel unit is taken place by hydraulic cylinders that are hinged to base support at its one side and to swivel unit at its another side |
| 04/28/2011 | DE102009050189A1 Construction machine, particularly wheel loader, has vehicle covering and flap or cover pivotally hinged at construction machine, where cover is brought from closed position into open position |
| 04/28/2011 | CA2778156A1 Pallet fork implement for work machine |
| 04/27/2011 | CN201809799U Excavator bucket rod mechanism |
| 04/27/2011 | CN201809798U Sliding easy driving cab special for bulldozer |
| 04/27/2011 | CN201809797U Grab bucket of movable grid trash cleaning machine |
| 04/27/2011 | CN201809796U Single movable-arm forward six-connecting-rod power quick-changing work device for loading machine |
| 04/27/2011 | CN201809795U Working device support of excavator |
| 04/27/2011 | CN201809794U Anti-collision device for excavator during operation |
| 04/27/2011 | CN201809793U Multifunctional spade |