| Patents for E21F 13 - Transport specially adapted to underground conditions (2,802) |
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| 02/17/2009 | CA2425443C Automated continuous haulage system |
| 02/11/2009 | CN201193527Y Goaf coal low position recovery device in low position fully mechanized coal caving face |
| 02/11/2009 | CN101363324A Improved process for tap cinder construction for main hole incline shaft |
| 02/04/2009 | CN201190580Y Frame head and tail shift system for vertical shaft type slusher conveyor |
| 01/28/2009 | CN101353963A Vacant field coal excavating method of high-dipping coal bed slotted hole blasting unmanned operation working face |
| 01/21/2009 | CN101349159A Method of single channel railless plastic core-rubber-tire vehicle back withdrawing fully-mechanized mining working face |
| 01/21/2009 | CN101348590A Special material for mining flame-retardant conveyer belt coating rubber and manufacturing method thereof |
| 01/20/2009 | CA2403124C Arrangement for determining position of unmanned mining vehicles |
| 01/14/2009 | CN201180562Y Hydraulic reposition machine for derailing mine car |
| 01/14/2009 | CN201180544Y Intelligent full-automatic combined coal mining system |
| 01/14/2009 | CN101344011A Simple automatic slag discharging device of deep large silo |
| 01/07/2009 | CN101338674A Non-pillar sublevel caving mining method for direct loading for ore |
| 12/31/2008 | WO2009002199A1 Tunnel multi gallery |
| 12/31/2008 | CN201172565Y Side-travel limit rope-supporting device |
| 12/31/2008 | CN201172547Y Controllable ratchet type safety chain-tensioning device for scraper machine |
| 12/31/2008 | CN101332944A Main shaft skip weight-measuring device for coal supply machine |
| 12/24/2008 | WO2008154732A1 Portable raise climbing system |
| 12/24/2008 | CA2689297A1 Portable raise climbing system |
| 12/17/2008 | CN201165879Y Movable type buffering coal bin |
| 12/10/2008 | CN201162540Y Blast mining mechanical coal loader |
| 12/10/2008 | CN201161810Y Belt conveyor |
| 12/10/2008 | CN101321926A Conveyance device |
| 12/03/2008 | CN201158535Y Turn control device of rubber belt transport |
| 11/20/2008 | WO2008138055A1 Haulage system for hauling goods along a path |
| 11/19/2008 | CN101307692A Sharply inclined coal seam mining method |
| 11/12/2008 | CN201148278Y Hydraulic belt winding apparatus |
| 11/12/2008 | CN101302934A Coal mining method with three steps |
| 11/12/2008 | CN101302933A Method for developing rock lane comprehensive mechanization developing operation |
| 11/12/2008 | CN101302932A Method for underground chamber digging and laneway opening digging |
| 11/12/2008 | CN101302931A Method for extracting rim angle coal and re-extracting after warehouse coal extracting |
| 11/05/2008 | CN201144711Y Strong belt conveyor for mine |
| 11/05/2008 | CN100430573C Accumulating conveyor for shield segment |
| 11/04/2008 | CA2526264C Method and arrangement for extracting extraction products in underground mining |
| 10/29/2008 | CN201140959Y Incline shaft ground roller |
| 10/29/2008 | CN201140904Y Belt pressing device of conveyer belt |
| 10/23/2008 | US20080260509 Apparatus and Method for Moving a Mine Conveyor Segment |
| 10/22/2008 | CN101289942A Flowing type coal cutter |
| 10/22/2008 | CN101289941A Multi-pit car type second conveyor |
| 10/22/2008 | CN101289940A Transportation hook changing process for fully-mechanized mining equipment |
| 10/15/2008 | CN201132720Y Liner type ground roller |
| 10/15/2008 | CN101285384A Large diameter, deep borehole and non undercutting mining method |
| 10/15/2008 | CN100425882C Chain wheel for underground mining |
| 10/08/2008 | CN201129190Y Telescopic belt conveyor for mining |
| 10/08/2008 | CN201128601Y Cast-weld structure scraper conveyor middle groove for ultra thin seam |
| 10/08/2008 | CN201128600Y Low-height pin rail seat scraper conveyor middle groove |
| 10/01/2008 | EP1646766B1 Method and device for extracting extraction products in underground mining |
| 10/01/2008 | CN101277863A Method of driving plurality of mine vehicles in mine, and transport system |
| 10/01/2008 | CN100422506C Mounting device for a cable cup |
| 09/25/2008 | DE102007003020B4 Verfahren zur Steuerung der Produktenförderung im untertägigen Bergbau Method for controlling the products promotion in underground mining |
| 09/17/2008 | CN201116472Y Multiple mine car type secondary transporter |
| 09/17/2008 | CN201116350Y Simple orbit switch |
| 09/17/2008 | CN100419211C Stereo operation fast fragments discharging method in mine drifting |
| 09/03/2008 | CN201110193Y Running-proof mine trolley |
| 09/03/2008 | CN201110185Y Leaking-wind protection apparatus for coal mine |
| 09/03/2008 | CN201110178Y Rotating base shelf for turning around of shield machine |
| 09/03/2008 | CN201109679Y Combined ground roller |
| 09/03/2008 | CN101258303A Arrangement for extracting extraction products in underground extraction operations in caving |
| 08/27/2008 | CN201106456Y Rubber belt conveyor Self-loading-unloading and backheating self-moving device for digging tunnel |
| 08/21/2008 | US20080197690 Highwall Mining System, Conveyor Segment And Method For Providing Such A Mining System |
| 08/20/2008 | CN201103414Y Coal shoveling device |
| 08/20/2008 | CN201103413Y Drum type pipe dragging and conveying equipment |
| 08/20/2008 | CN101245710A Vertical shaft bucket conveyer and its unmanned work face coal mining method |
| 08/20/2008 | CN101244794A Continuous rope device for side-traction shuttle vehicle |
| 08/07/2008 | DE112006002742T5 Transporteinrichtung Transport means |
| 08/06/2008 | CN201095990Y Ferry push car |
| 08/06/2008 | CN100408808C Downhole materials conveying device |
| 08/06/2008 | CN100408454C Method for replacing belt of adhesive tape machine |
| 07/24/2008 | WO2008086966A1 Method for controlling the product conveyance in underground mining |
| 07/24/2008 | DE102007003020A1 Verfahren zur Steuerung der Produktenförderung im untertägigen Bergbau Method for controlling the products promotion in underground mining |
| 07/23/2008 | CN201090244Y Linkwork of self-moving type loading mechanism and strapping machine |
| 07/23/2008 | CN201090243Y Extension combination device of sealing-tape machine |
| 07/23/2008 | CN201090242Y Floatage type output pipe for cleaning mine underground water storehouse |
| 07/10/2008 | WO2008080551A1 Connecting device for fastening an attachment to a trough pan, and trough pan for underground conveyors |
| 07/09/2008 | CN101214878A Belt conveyer |
| 07/09/2008 | CN100400360C Automated continuous haulage system and method |
| 06/25/2008 | CN201077660Y Underwell working faces floor dinting spiral conveyer |
| 06/25/2008 | CN101205041A Underground orbit mine car running system |
| 06/19/2008 | US20080142767 Apparatus and Method For Retracting a Train of Equipment Parts From a High Wall Mining Shaft |
| 06/18/2008 | EP1931554A1 Method of driving plurality of mine vehicles in mine, and transport system |
| 06/18/2008 | CN201074178Y Mine car lifting device |
| 06/12/2008 | WO2008067802A1 Movable continuous conveyor and method for operating a movable continuous conveyor |
| 06/12/2008 | CA2674700A1 Movable continuous conveyor and method for operating a movable continuous conveyor |
| 06/11/2008 | CN100394339C Mining transportation management system and method thereof |
| 05/29/2008 | DE202008002396U1 Bolzen-Ausdrück-Vorrichtung für Triebstockbolzen Pin-pushing-out device for rack and pinion bolt |
| 05/28/2008 | CN201065260Y Self-moving tail for belt conveyer |
| 05/28/2008 | CN101189175A Arrangement for driving a feed conveyor, and crusher |
| 05/28/2008 | CN101187310A Off-orbit tram reposition method and its hydraulic reposition machine |
| 05/28/2008 | CN101187308A Thin coal bed highly effective fully mechanized mining process |
| 05/07/2008 | CN201057053Y Coal slurry clearing and conveying device of coal mine water warehouse |
| 05/07/2008 | CN201057052Y Coal slurry clearing and conveying device of coal mine water warehouse |
| 05/01/2008 | US20080100123 Conveyor Segment, Driving Means And Method For High Wall Mining |
| 04/29/2008 | CA2387366C Method and arrangement for preventing the passage of a mining vehicle |
| 04/24/2008 | WO2008010189A3 Vehicle |
| 04/23/2008 | EP1913235A1 Guidance, navigation, and control system for a vehicle |
| 04/23/2008 | CN201050383Y Spiral material-feeding type mine sump cleaner |
| 04/16/2008 | CN201047291Y Hydraulic push shifter |
| 04/01/2008 | US7350874 Method and device for extracting extraction products in underground mining |
| 03/27/2008 | WO2007012199A3 Traffic management system for a passageway environment |
| 03/27/2008 | DE10394022B4 Zahnradschienenflurbahn Gear rail corridor train |
| 03/27/2008 | DE102006045110A1 Drift conveyor for use in e.g. mining, has connecting parts assigned with sidewalls of trough pans or sidewalls of trough feeders, where connecting parts or retainers are formed and arranged with centering altogether |