| Patents for E21C 47 - Machines for obtaining, or the removal of, materials in open-pit mines (773) |
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| 09/22/2011 | US20110227396 Mining system |
| 09/14/2011 | EP2364222A1 Mobile crusher |
| 08/17/2011 | CN201934104U 圆立柱矿山采石机 Round pillar mining quarrying machines |
| 08/17/2011 | CN102152406A Chassis-free mining machine |
| 08/03/2011 | CN201915965U 采矿机器 Mining machines |
| 07/20/2011 | CN201902160U Drilling machine capable of quarrying stone in cave/channel and drilling device |
| 07/20/2011 | CN101769153B Multi-blade saw mine quarrying machine |
| 07/20/2011 | CN101660414B Method for conveying coal in end slope laneway in open pit coal mine |
| 07/13/2011 | EP2342422A1 Method and apparatus for processing a sized ore feed |
| 07/06/2011 | CN201891417U Strip mine milling and tunneling machine |
| 07/06/2011 | CN102119261A Mining system |
| 07/06/2011 | CN102119260A Mining system |
| 07/06/2011 | CN101498217B Split type remote operation ultra-low laneway coal mining apparatus transportation platform |
| 06/29/2011 | CN201884031U Mine quarrying machine with driving force |
| 06/29/2011 | CN201883459U Shoveling and loading device of a vertical mine slag-skimming loading device |
| 06/22/2011 | CN201874581U Double-spliced distance-adjustable mine quarrying machine |
| 06/22/2011 | CN201874580U Onboard splitting system and position adjusting device of onboard splitting machine |
| 06/22/2011 | CN102102520A Stone mine cavern mining method and equipment |
| 06/22/2011 | CN102102516A Pick holder and base section |
| 06/15/2011 | CN102094158A Dumping machine prepared from new composite |
| 06/08/2011 | CN102086766A Drilling machine tool special for opencast mining rotary drill rig and using method thereof |
| 05/18/2011 | CN201835837U Mine cutting plate saw |
| 05/18/2011 | CN201835311U Extended sliding rail mechanism for loading skip bucket of vertical mine slag-off loader |
| 05/18/2011 | CN201835310U Rack transmission mechanism of vertical mine slagging loader |
| 05/12/2011 | DE102009052351A1 Fräswalze Milling drum |
| 05/11/2011 | CN201826848U Strip mine pore-forming galvanizing hole protecting cover |
| 05/11/2011 | CN201826847U Hydraulic tension device capable of tensioning automatically and stopping returning of tension pulley |
| 04/28/2011 | DE102009013709B4 Abbaumaschine, insbesondere Surface Miner, sowie Verfahren zum Aus- und Einbauen einer Transporteinrichtung bei einer Abbaumaschine Mining machine, in particular surface miners, as well as procedures for removing and installing a transport device at a mining machine |
| 04/27/2011 | CN201810344U Fastener |
| 04/21/2011 | US20110088290 Dragline bucket rigging and control apparatus |
| 04/20/2011 | CN201802405U Diesel engine type drum open continuous miner |
| 04/20/2011 | CN201801893U Excavator connecting shaft stop pin with guard ring |
| 04/20/2011 | CN102022117A Double-assembly adjustable pitch mine quarrying machine |
| 04/06/2011 | CN201785798U Driving device for vertical mine slag removing loading machine |
| 04/06/2011 | CN102003184A Machine-borne splitting system and position regulating device thereof |
| 03/30/2011 | CN101586460B Coal mining solid filling method |
| 03/23/2011 | CN101988387A Base special for mine quarrying cutting plate |
| 03/23/2011 | CN101988386A Quarrying and plate cutting machine for mine |
| 03/16/2011 | CN101985880A Stone mining process |
| 03/09/2011 | CN201756963U Staggering double-saw mine quarrying machine |
| 03/09/2011 | CN201756962U Vertical rack driving mechanism of quarrying machine |
| 03/09/2011 | CN201756961U Parallel-connection adjustable quarrying machine base structure |
| 03/09/2011 | CN101344002B Stone quarrying machine in mine with across cutting saw blade |
| 03/02/2011 | CN201753603U Splitting machine and piston rod assembly thereof |
| 02/24/2011 | DE102009061034A1 Abbaumaschine, insbesondere Surface Miner, sowie Verfahren zum Aus- und Einbauen einer Transporteinrichtung bei einer Abbaumaschine Mining machine, in particular surface miners, as well as procedures for removing and installing a transport device at a mining machine |
| 02/16/2011 | CN201747367U Opencut coal mine coal mining and stripping machine with adjustable roller height |
| 02/10/2011 | DE102009035061A1 Coal mining method for lignite open-cast, involves directly applying bulk goods to be moved on continuously operating conveying unit from working face by discontinuously operating mining device e.g. hydraulic dredger |
| 02/09/2011 | CN201738927U Motor drive mechanism of quarrying machine |
| 01/19/2011 | CN201714387U Framed quarrying machine |
| 01/12/2011 | CN101943000A Method for ore removal by explosion strength transporting |
| 01/05/2011 | DE102009013709A1 Abbaumaschine, insbesondere Surface Miner, sowie Verfahren zum Aus- und Einbauen einer Transporteinrichtung bei einer Abbaumaschine Mining machine, in particular surface miners, as well as procedures for removing and installing a transport device at a mining machine |
| 01/05/2011 | CN201696050U Kaolin mining system |
| 01/05/2011 | CN101936180A Automatic speed regulation chute for large inclination-angle coal face |
| 12/29/2010 | CN201687479U Mine quarrying slab cutting balance saw slotting machine |
| 12/29/2010 | CN201687478U Mine quarrying slab sawing machine |
| 12/29/2010 | CN201687477U Pneumatic gadding machine |
| 12/22/2010 | EP2262704A2 Overburden removal system with triple track mobile sizer |
| 12/09/2010 | WO2010141775A1 Mining methods and systems using mobile conveyors |
| 12/08/2010 | CN201666153U Ground gauge heap strike car |
| 12/08/2010 | CN201665884U Electric shovel door switching mechanism |
| 12/08/2010 | CN101906970A Method and equipment for mining river sand |
| 12/01/2010 | CN101899976A Continuous coal mining process method of open-pit coal mine |
| 11/24/2010 | CN101892843A Porous bottom-dump conveyer of solid-state filling material |
| 11/04/2010 | DE102009014729B3 Auswerfer für eine Straßenfräsmaschine oder dergleichen Ejector for a road milling machine or the like |
| 10/28/2010 | DE102009014730B3 Auswerfer bzw. Auswerfereinheit für eine Straßenfräsmaschine oder dergleichen Ejector and ejector for a road milling machine or the like |
| 10/27/2010 | CN201614936U 液压岩石分裂机 Hydraulic rock splitter |
| 10/21/2010 | US20100264720 Method for producing a lignite product |
| 10/21/2010 | DE202006020911U1 Übergabesystem zur Übergabe von Schüttgut, Tagebausystem und Tagebauvorrichtung The transfer system for transferring bulk, surface mining and open pit system device |
| 10/20/2010 | CN101864958A Anti-rollover unloading method of electric wheel automobile in waste dumping site |
| 10/13/2010 | CN101144383B Cracking method for rock or concrete and device thereof |
| 10/06/2010 | EP2236745A2 Excavation machine, in particular surface miner and method for fitting and detaching a transport device for a excavation machine |
| 10/06/2010 | CN201599036U 双驱动采石机行走框架 Walking the framework of dual-drive quarrying |
| 10/06/2010 | CN201597123U 平移翘板式石材锯机架 Pan Rocker stone saws Rack |
| 10/06/2010 | CN101852082A Rock cutting method of push bench |
| 09/23/2010 | US20100237681 Mining Machine, In Particular Surface Miner, As Well As Method For The Removal And Installation Of A Transport Device In A Mining Machine |
| 09/22/2010 | CN201588632U Gapless driving device for quarrying machine |
| 09/22/2010 | CN101839136A Novel coal conveyor base |
| 09/22/2010 | CN101839135A Mining machine, as well as method for the removal and installation of a transport device in a mining machine |
| 09/15/2010 | CN201581898U Mine quarrying machine with multi-blade saw |
| 09/09/2010 | DE102008008260B4 Steuerung einer Gewinnungsmaschine und Gewinnungsmaschine Control of a mining machine and mining machine |
| 09/01/2010 | EP2222820A1 Method for producing a lignite product |
| 08/25/2010 | CN201559955U Automatic atomizing anti-dust device for trough-shaped belt conveyor |
| 08/12/2010 | DE202009004190U1 Auswerfer bzw. Auswerfereinheit für eine Straßenfräsmaschine o.dgl. Ejector and ejector for a road milling machine or the like. |
| 08/12/2010 | DE202009004189U1 Auswerfereinheit für eine Straßenfräsmaschine odgl. Ejector for a road milling machine or the like. |
| 08/12/2010 | DE202009003824U1 Abbaumaschine, insbesondere Surfac Miner Mining machine, especially Surfac Miner |
| 08/11/2010 | CN201546728U Mine stone vertical lift type cutting machine |
| 08/04/2010 | CN201539256U Device for quarrying stones |
| 08/04/2010 | CN201539255U Dedicated base for mining stone excavation cutting plate |
| 08/04/2010 | CN201539254U Stone-quarrying plate-cutting machine used in mine |
| 08/04/2010 | CN101793151A Vertical lifting cutter for mine stones |
| 07/22/2010 | WO2009079686A8 Method for producing a lignite product |
| 07/14/2010 | CN201526322U Novel block cutter for mining rock excavation |
| 07/07/2010 | CN101769153A Multi-blade saw mine quarrying machine |
| 06/30/2010 | CN101761339A Gapless driving device of quarrying machine |
| 06/16/2010 | CN201508502U Temperature monitoring device of coal mine belt conveyer |
| 06/10/2010 | WO2010063049A1 Mobile crusher |
| 06/10/2010 | DE102008060664A1 Schutzeinrichtung für einen Schaufelradbagger Protection device for a bucket-wheel excavator |
| 06/10/2010 | CA2745578A1 Mobile crusher |
| 06/02/2010 | DE102008028955B4 Baumaschine, insbesondere Straßenfräsmaschine, Miner, Recycler oder Stabilisierer Machinery, in particular road milling machine, Miner, recycler or stabilizer |
| 06/02/2010 | CN101718198A Device for reloading open air minerals |