| Patents for E21C 47 - Machines for obtaining, or the removal of, materials in open-pit mines (773) |
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| 02/05/2014 | CN103557001A Low-section-height drift-pillar-free shrinkage-stoping, subsequent-filling and mining method |
| 01/22/2014 | CN203403882U Hydraulic splitter |
| 01/15/2014 | CN203394529U Foundation clearing machine for opencast mine |
| 01/09/2014 | CA2878282A1 System and method for detecting and further processing the position of at least one storage space device moving bulk material |
| 01/08/2014 | CN203383821U Slope lifting and crushing system for deep open pit |
| 01/08/2014 | CN203382232U Large ultra-long single-arm material discharging and distributing machine |
| 01/01/2014 | CN103485788A Method for mining conglomerate |
| 01/01/2014 | CN103485787A Self-moving reversed loader for mining working surface of open-pit mine |
| 12/27/2013 | WO2013192149A1 Reclaiming drum having reversible kicker paddle |
| 12/25/2013 | CN203362164U Power transmission device of hydraulic coal looseness miner |
| 12/25/2013 | CN103470265A Self-propelled coal sawing machine for longitudinally cutting coal bed into block coal and cutting method for cutting coal bed by using machine |
| 12/25/2013 | CN102400688B Environment-friendly and economical stripping-free open-pit mining method for shallow-buried high-inclined low veins |
| 12/18/2013 | CN203347795U Fixed conveying device for open pit mine |
| 12/18/2013 | CN103459192A Power management system for mining |
| 12/04/2013 | CN103422861A Full-hydraulic bucket-wheel excavation, crushing and transshipment combined coal mining unit |
| 11/20/2013 | CN203296775U Hydraulic rock splitting machine |
| 11/20/2013 | CN103397885A Mining machine |
| 11/13/2013 | CN103388478A Forming method for transportation road of bucket shovel applied to open pit coal mine |
| 11/06/2013 | CN203271745U Double-broadsword energy-saving cutting machine for mining |
| 11/06/2013 | CN101936180B Automatic speed regulation chute for large inclination-angle coal face |
| 10/30/2013 | CN203257421U Vehicle-mounted rock drilling machine |
| 10/23/2013 | CN103362059A An automotive milling machine, a use of a lifting column of the milling machine, as well as a method for increasing the operating efficiency of the milling machine |
| 10/09/2013 | CN103343688A Opencast mine bottom cleaning machine |
| 10/02/2013 | DE102012205005A1 Selbstfahrende Fräsmaschine, Verwendung einer Hubsäule einer Fräsmaschine, sowie Verfahren zum Erhöhen der Arbeitseffektivität einer Fräsmaschine Self-propelled milling machine, using a mast of a milling machine and method for increasing the operating efficiency of a milling machine |
| 10/02/2013 | CN103334755A Slope hoisting and crushing system for deep open-pit mine |
| 10/02/2013 | CN103332503A Large-scale ultra-long one-armed spreader |
| 09/19/2013 | WO2013136588A1 Mine machine operation administration system and mine machine operation administration method |
| 09/19/2013 | CA2857620A1 Operation control system for mining machine and operation control method for mining machine |
| 09/11/2013 | CN203189028U Real-time monitoring type ore extraction equipment |
| 09/11/2013 | CN203189027U Digital intelligent ore extraction apparatus |
| 09/11/2013 | CN203189026U Solar ore extraction apparatus |
| 09/11/2013 | CN203189025U Corrosion-resistant ore extraction device |
| 09/11/2013 | CN203189024U Fluorescent lighting-type ore extraction equipment |
| 09/11/2013 | CN203189023U Heating type ore mining equipment |
| 09/11/2013 | CN203189022U High-pressure hydraulic pulse-type ore extraction apparatus |
| 09/11/2013 | CN203189021U Low-voltage direct current type ore mining equipment |
| 08/28/2013 | CN203161237U Cutting type core extraction equipment |
| 08/28/2013 | CN203161236U Micro-electronics controlled ore extraction equipment |
| 08/28/2013 | CN203161235U Air pressure brake type ore extraction equipment |
| 08/28/2013 | CN203161234U Magnetic levitation control type ore extraction equipment |
| 08/28/2013 | CN203161233U Hydraulic control ore extraction equipment |
| 08/28/2013 | CN203161232U Ore extraction equipment with coating |
| 08/28/2013 | CN203161231U Navigation-type ore extraction apparatus |
| 08/28/2013 | CN203161230U Centrifugal-type ore extraction equipment |
| 08/28/2013 | CN203161229U Flushing assisted ore extraction equipment |
| 08/28/2013 | CN203161228U Energy-saving ore extraction apparatus |
| 08/28/2013 | CN203161227U Self-illumination-type ore mining equipment |
| 08/28/2013 | CN203161226U Blasting-type ore extraction device |
| 08/28/2013 | CN203161225U Filtration-assisted ore extraction apparatus |
| 08/28/2013 | CN203161224U Constant-temperature ore extraction apparatus |
| 08/28/2013 | CN203161223U Anti-blocking ore extraction apparatus |
| 08/28/2013 | CN203161222U Antiscale ore extraction apparatu |
| 08/28/2013 | CN203161221U Electromagnetic ore extraction apparatus |
| 08/21/2013 | EP2627867A1 Reclaimer machine |
| 08/21/2013 | CN103256051A Double-wing continuous coal mining technique for open-pit coal mine |
| 08/01/2013 | DE102012100765A1 Steilförderanlage für den Tagebau Steep conveyor for opencast mining |
| 07/31/2013 | CN103228867A Reclaimer machine |
| 07/24/2013 | CN103216241A Engineering mining method |
| 07/18/2013 | WO2013104024A1 Mining machine and shaft assembly for a mining machine |
| 07/17/2013 | CN203066981U Mining system for inclined ore body of surface mine |
| 07/17/2013 | CN203066980U Mining and stripping system for hard rock mass of surface mine |
| 07/17/2013 | CN203066963U Open-air drilling coal cutter |
| 06/27/2013 | WO2013096277A1 System and method for controlling a multi-machine caravan |
| 06/26/2013 | CN203022760U Novel compound artificial boundary ore pillar |
| 06/26/2013 | CN203020431U Four-degree of freedom supporting device |
| 06/26/2013 | CN103174427A Method for exploiting downward deepening section of anticlinal part of opencast coal mine |
| 06/25/2013 | US8469456 Ejector unit for a road milling machine or the like |
| 06/20/2013 | WO2013090082A1 Mining truck and regenerative braking strategy therefor |
| 06/19/2013 | CN203008920U Strike type ore extraction device |
| 06/19/2013 | CN203008919U Sand-proof ore extraction device |
| 06/19/2013 | CN203008918U Wind-energy ore extraction device |
| 06/12/2013 | CN202991049U Wind electricity conveyer device |
| 06/06/2013 | WO2013082585A1 Steering system and operating method for mining truck |
| 06/05/2013 | CN202970716U Flame quarrying machine |
| 06/05/2013 | CN103133003A Opencast mine end slope near-slope mining method |
| 05/23/2013 | WO2013074274A1 Automated pantograph control for mining truck power system |
| 05/10/2013 | WO2013003681A3 Mining shuttle car |
| 05/01/2013 | CN103075153A Open-air drilling coal cutter |
| 04/24/2013 | CN103061769A Punching injection type fractured stone material mining and processing method |
| 04/17/2013 | CN202881994U Z-shaped bucket extension slide rail |
| 04/17/2013 | CN103046929A Method for stripping rock layer of end slope |
| 03/27/2013 | CN102995505A Ground rail device for coal transport |
| 03/20/2013 | CN102979527A Wind power transmission device |
| 03/13/2013 | CN102966355A Method for creating internal dumping conditions of strip mine |
| 03/13/2013 | CN101400873B Waste disposal during pit mining |
| 02/28/2013 | US20130051933 Pumping coarse ore |
| 02/27/2013 | CN102947543A Method for continuous operation of a surface miner |
| 02/13/2013 | CN202731920U Small rock cutting machine |
| 02/13/2013 | CN102926756A Hard ore rock stripping technology and system of surface mine |
| 02/13/2013 | CN102926755A Dust-suppression and rock-discharge system utilizing tailing slurry and dust-suppression and rock-discharge method |
| 02/06/2013 | CN102913246A Solid potash ore open-pit mining method under condition of tropical monsoon climate |
| 02/06/2013 | CN102913245A Whole ascending method of dumping machine |
| 01/23/2013 | CN202690062U Diesel powered full hydraulic continuous stripping machine |
| 01/23/2013 | CN102889084A Continuous mining technique for thin coal layer of opencast coal mine |
| 01/23/2013 | CN102003184B Machine-borne splitting system and position regulating device thereof |
| 01/08/2013 | US8348349 Mining methods and systems using mobile conveyors |
| 01/02/2013 | CN101988387B Base special for mine quarrying cutting plate |
| 01/01/2013 | US8342267 Mining machine with improved rib reach capability and method of use thereof |
| 12/26/2012 | CN202628102U Novel mine quarrying machine |
| 12/26/2012 | CN202628101U Anchoring guider inside hole |