| Patents for E21C 47 - Machines for obtaining, or the removal of, materials in open-pit mines (773) |
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| 06/02/2010 | CN101294494B Mine rock material profile modeling recovery method and special equipment thereof |
| 06/01/2010 | US7726468 Conveyor belt and conveyor comprising said belt |
| 05/27/2010 | WO2010057277A1 An apparatus and method for extension of conveyors |
| 05/26/2010 | CN201486561U Self-adaptive track car of mine quarrying machine |
| 05/26/2010 | CN201486560U Driving mechanism of mine-quarrying machine |
| 05/19/2010 | CN201474698U Novel saw blade |
| 05/19/2010 | CN201474697U Disc type saw cutting machine for mine stone exploration |
| 05/12/2010 | CN201460900U Advancing device of stepping hillock hydraulic frame head |
| 05/12/2010 | CN201458227U Belt conveyor tail travelling device |
| 05/05/2010 | CN101701522A Coal mining and stripping machine with rollers having adjustable height for open coal mine |
| 04/22/2010 | DE202008013393U1 Baumaschine, insbesondere Straßenbaumaschine oder Tagebaumaschine Machinery, especially road construction machine or open pit machine |
| 04/08/2010 | WO2010037215A1 Method and apparatus for processing a sized ore feed |
| 03/30/2010 | US7686753 Bottom finishing station components for a cup making machine |
| 03/03/2010 | CN101660414A Method for conveying coal in end slope laneway in open pit coal mine |
| 03/03/2010 | CN101660413A Sectorial discharge method |
| 02/24/2010 | CN201412158Y Solid fill-mining conveyor |
| 02/18/2010 | WO2010017582A1 Mining system |
| 02/18/2010 | WO2010017581A1 Mining system |
| 02/18/2010 | DE202009001841U1 Splitterschutz für Steinbruchbagger, Arbeiten mit Hydraulikhämmern und Abbruchbetrieb Splinter protection for stone pit digger, working with hydraulic hammers and demolition operation |
| 02/18/2010 | CA2733640A1 Mining system |
| 02/18/2010 | CA2733639A1 Mining system |
| 02/10/2010 | CN201401173Y First lifting transporter of cantilever development machine |
| 01/13/2010 | CN201381857Y Continuous coal-mining machine with safety monitoring device |
| 12/31/2009 | DE102008028955A1 Baumaschine, insbesondere Straßenfräsmaschine, Miner, Recycler oder Stabilisierer Machinery, in particular road milling machine, Miner, recycler or stabilizer |
| 12/09/2009 | CN201359073Y Quarrying machine gear shift device |
| 12/09/2009 | CN201358790Y Mine quarrying machine with lifting-type upright posts |
| 12/09/2009 | CN201358789Y Mine quarrying machine with short upright posts |
| 12/02/2009 | CN100564471C Coal surface covering agent and preparation method thereof |
| 11/25/2009 | CN101586460A Coal mining solid filling method |
| 11/18/2009 | CN201347762Y Hydraulic stone breaking device |
| 10/20/2009 | CA2394782C Dragline bucket rigging and control apparatus |
| 09/04/2009 | CA2657161A1 Scanning system for 3d mineralogy modelling |
| 08/27/2009 | DE102008008260A1 Fräsmaschine, insbesondere Surface Miner, sowie Verfahren zum Abbauen von Fräsgut einer Tagebaufläche Milling machine, surface miners in particular, as well as methods for decomposing milled material of a mining area |
| 08/26/2009 | CN201297173Y 岩石分裂机 Rock splitting machine |
| 08/20/2009 | DE102007028812B4 Selbstfahrende Maschine zum Schneiden oder Fräsen, insbesondere Maschine zur Ausbeutung von Lagerstätten im Tagebaubetrieb Self-propelled machine for cutting or milling machine especially for the exploitation of minerals in open pit mining |
| 08/05/2009 | CN101498218A Cutting saw apparatus for stone mining |
| 08/05/2009 | CN101498217A Split type remote operation ultra-low laneway coal mining apparatus transportation platform |
| 07/22/2009 | CN201277041Y Electricity-saving stone-saving mine saw-cutting machine |
| 07/22/2009 | CN201277040Y Expansion cracking apparatus |
| 07/16/2009 | WO2009087604A1 Method for mining |
| 07/16/2009 | WO2009087603A1 Sweeping arrangement |
| 07/02/2009 | WO2009079801A1 Ropeway conveyor |
| 07/02/2009 | WO2009079686A1 Method for producing a lignite product |
| 06/17/2009 | CN201258743Y Self-moving machine for incising and milling |
| 06/03/2009 | CN201250656Y Mine quarry mining device |
| 05/27/2009 | CN201246354Y Hydraulic system of multifunctional crushing block clearing machine |
| 05/20/2009 | DE202009003408U1 Fahrbare Brecheranlage Mobile crushing plant |
| 05/13/2009 | CN201236708Y Ultra-low stone quarrying machine in mine |
| 05/09/2009 | CA2640018A1 Method and apparatus for processing a sized ore feed |
| 04/29/2009 | CN101418690A Flat coal deposit large open pit mine end-slope transport technological process |
| 04/22/2009 | CN101413392A Mine unloading method of carrying scraper |
| 04/12/2009 | CA2618498A1 Travel support machanism for movable conveyor bridge |
| 04/01/2009 | CN101400873A Waste disposal during pit mining |
| 03/18/2009 | CN201209449Y Profiling suite of stone quarrying machine in mine |
| 02/25/2009 | CN100464054C Fast spoil disposal slope protection and ecological recovery open-pit mining technology |
| 02/11/2009 | CN201193528Y Girder type quarrying frame head for mine |
| 02/11/2009 | CN101363318A Mine diamond plate fetching machine |
| 01/28/2009 | CN101353964A Mine barren material mining device |
| 01/14/2009 | CN101344002A Stone quarrying machine in mine with across cutting saw blade |
| 01/08/2009 | DE19880580B4 Verfahren zur Überwachung des Arbeitszyklus von mobilen Maschinen während der Materialentfernung Method for monitoring the operating cycle of mobile machines during the material removal |
| 01/08/2009 | DE102007030646A1 Antriebsstation für eine untertägige Hobelanlage sowie Reparaturverfahren für Gewinnungshobel Drive station for an underground plow system as well as repair method for mining plow |
| 01/07/2009 | CN201176877Y Wide span double-column stone quarrying machine in mine |
| 12/31/2008 | EP1796842A4 Method and apparatus for open pit bench mining |
| 12/24/2008 | EP2006449A2 Self-propelled machine for cutting or milling, in particular machine for exploiting deposits in open-pit mining |
| 12/24/2008 | DE102007028812A1 Selbstfahrende Maschine zum Schneiden oder Fräsen, insbesondere Maschine zur Ausbeutung von Lagerstätten im Tagebaubetrieb Self-propelled machine for cutting or milling machine especially for the exploitation of minerals in open pit mining |
| 12/24/2008 | CN101328810A Self-propelled machine for cutting or milling |
| 12/18/2008 | US20080308384 Mobile oil sands mining system |
| 11/27/2008 | CA2784416A1 Systems, devices, and/or methods regarding excavating |
| 11/26/2008 | CN101311496A Mining and cutting method for mine and equipment therefor |
| 11/20/2008 | WO2008138055A1 Haulage system for hauling goods along a path |
| 11/19/2008 | CN201152174Y Mine stone winning apparatus |
| 11/13/2008 | DE102005012601B4 Lageranordnung Bearing assembly |
| 10/29/2008 | CN101294494A Mine rock material profile modeling recovery method and special equipment thereof |
| 10/16/2008 | DE102007007996B4 Antrieb für die Grabtrommel eines Tagebaugewinnungsgerätes Drive for the grave of a drum surface mining equipment |
| 09/18/2008 | DE10031883C5 Verfahren und Anordnung zur leistungsoptimierenden Regelung der Zufuhrmenge des Materials, das einer aus mehreren Aggregaten bestehenden Sand-, Kies- oder Splitaufbereitungsanlage zugeführt wird Method and system for performance optimizing control the supply amount of the material is fed a multiple aggregates of sand, gravel or grit treatment plant |
| 09/17/2008 | CN101266123A Crushing station pit digging method |
| 08/28/2008 | DE102007007996A1 Drive for production of organ of continuously operating open cast mining equipment designed as surface miner, has single motor drive and each of these drives is fed from central drive of open cast mining equipment over power supplies |
| 07/24/2008 | US20080173572 Method and apparatus for creating a slurry |
| 07/02/2008 | CN100398780C Rock gadding machine |
| 05/29/2008 | US20080121493 Method and apparatus for creating a slurry |
| 05/09/2008 | CA2610124A1 Mobile oil sands mining system |
| 04/16/2008 | CN201047287Y Stone quarrying machine in mine with across cutting saw blade |
| 04/02/2008 | CN101153541A Movable chute mouth device of vibrating ore-drawing machine |
| 03/26/2008 | CN201041043Y Cutting machine for rock mining |
| 03/19/2008 | CN201037422Y Environment-friendly type composite pit gold mining vehicle |
| 03/19/2008 | CN101144383A Cracking method for rock or concrete and device thereof |
| 03/05/2008 | CN201031703Y Mine mining and cutting equipment |
| 03/05/2008 | CN101134886A Coal surface covering agent and preparation method thereof |
| 02/21/2008 | DE102006038672A1 Device for dismantling of stone plates, in particular limestone plates, has nozzle assembly attached to dismantling arm in area of opening end of nozzle assembly turning away from chassis |
| 02/13/2008 | CN201021624Y Mine stone excavator |
| 01/31/2008 | DE102006045036B3 Chute e.g. for continuous operating surface mining production equipment, is flat having rectangular straight guide plate and two side plates and has edge whose upper surface forms obtuse angle with guide plate |
| 11/21/2007 | CN200978674Y Vibration ore-drawing machine |
| 10/25/2007 | DE19882613B4 Kontrollsystem für Abraumaustrag Control system for Abraumaustrag |
| 10/18/2007 | DE4235707B4 Hydrostatisches Antriebssystem Hydrostatic drive system |
| 10/11/2007 | US20070235289 Conveyor Belt and Conveyor Comprising Said Belt |
| 10/10/2007 | CN200958393Y Flexible boxhole apparatus of vibration drawing machine |
| 10/03/2007 | CN200955394Y Moveable stone producing machine |
| 09/26/2007 | CN100339555C Open production method for lake bottom copper mine |
| 09/13/2007 | DE102005054840A1 Verfahren zur Übergabe von Schüttgut Method for transferring bulk |
| 09/05/2007 | CN200943499Y Gangue hill pipe tipple curve trail moving device |