| Patents for E21F 13 - Transport specially adapted to underground conditions (2,802) |
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| 12/21/2004 | US6832873 Installation vehicle |
| 12/16/2004 | US20040251732 Winch for coal mining system |
| 12/09/2004 | US20040245845 Shield system for coal mining |
| 12/09/2004 | US20040245844 Advancer for coal mining system |
| 12/09/2004 | US20040245843 Platform and driver for coal mining system |
| 12/01/2004 | CN1550429A Wing type hook for wing type hook connection device and wing type hook connection device |
| 11/30/2004 | US6823978 Crawler mounted transfer station |
| 11/11/2004 | US20040222067 Toggle and toggle connection assembly |
| 10/21/2004 | WO2004089674A1 Arrangement in mining vehicle |
| 10/05/2004 | US6799809 Method and apparatus for remote self-propelled conveying in mineral deposits |
| 08/26/2004 | WO2004071837A1 Cog rail gallery train assembly |
| 08/26/2004 | US20040163926 Crawler mounted transfer station |
| 08/25/2004 | CN1523204A Method for preventing minerals from falling and damage |
| 08/11/2004 | CN1519457A Machine of withdrawal of ore with dual motors in parallel synchronous vibration |
| 08/04/2004 | EP1443177A1 Method of constructing underground gallery by using pneumatic transfer system, and stratum disposal method |
| 08/04/2004 | CN1517281A Long-wall conveying chain with short and wide vertical chain link |
| 07/29/2004 | DE102004001072A1 Strebfördererkette mit einem kurzen und breiten Vertikalglied Face conveyor chain with a short and wide vertical member |
| 07/22/2004 | US20040140178 Scraper chain conveyor for use in underground mining |
| 07/22/2004 | DE20307151U1 Knebel für Knebelverbindungen und Knebelverbindung Gag for gag and gag connections connection |
| 07/15/2004 | US20040134694 Shuttle car with fixed height discharge boom |
| 06/30/2004 | CN2622394Y Coal and gangue flow classifier for conveying tunnel |
| 06/24/2004 | DE10257764A1 Transfer device for transferring conveyed material onto a belt or chain conveyor comprises connecting devices consisting of clip elements provided with bolt protrusions fixed by screws and nuts on bolt surfaces |
| 06/09/2004 | CN1153003C Tunnel pipe transporting mounting vehicle |
| 06/03/2004 | DE202004005351U1 Underground transport system for goods and people, has roller brackets for chair lift connected to top side of monorail track |
| 05/27/2004 | DE202004004652U1 Conveyor for coal comprises troughs connected by pivots with cutter guide formed in walls, guide rail being mounted in this consisting of jointed sections, joints in rail being staggered from those between troughs |
| 05/26/2004 | CN2617928Y Spring overspeed trolley catcher |
| 05/13/2004 | US20040090118 System for braking control in a vehicle including a multi-combination vehicle |
| 05/08/2004 | WO2004041580A1 System for braking control in a vehicule including a multi-combination vehicle |
| 05/08/2004 | CA2439616A1 System for braking control in a vehicle including a multi-combination vehicle |
| 05/04/2004 | US6729464 Mine conveying system |
| 04/29/2004 | DE202004003217U1 Self-striding support system for railway track in mine tunnel being lowered from high level to lower level has bridge at higher level leading to ramp sloping down to lower excavated level |
| 04/14/2004 | EP1276685B1 Scraper chain conveyor for use in underground mining |
| 04/14/2004 | CN2611604Y Equidirectional and synchronous viberation ore discharger with double dynamoes |
| 04/07/2004 | CN2610095Y Anchor for end support of top-coal caving face |
| 04/07/2004 | CN2610092Y Hydraulic support swallow-tail device for top-coal caving face |
| 03/31/2004 | EP1402180A1 Device for conveying free-flowing or bulk materials |
| 03/18/2004 | US20040054434 Automated continuous haulage system |
| 03/17/2004 | CN1482344A Fully-mechanized mining working plane supplementary laneway multiple passage quick-speed moving process |
| 03/11/2004 | DE10241540A1 Profile track for underground mining |
| 03/10/2004 | CN1480812A Mining transportation management system and method thereof |
| 03/04/2004 | US20040040792 Mine transportation management system and method |
| 03/02/2004 | US6698843 Method and apparatus for remote self-propelled conveying in mineral deposits |
| 02/11/2004 | CN1474764A Automated continuous haulage system |
| 02/04/2004 | CN1473227A Installation carriage |
| 01/29/2004 | US20040016359 Tilting and extending rail system for a mining carrier |
| 01/24/2004 | CA2393155A1 Tilting and extending rail system for a mining carrier |
| 01/07/2004 | CN1465849A Underground drift coal bunker |
| 11/25/2003 | US6651804 Self-propelled articulated conveyor system |
| 11/19/2003 | CN1457304A Battery powered shuttle car |
| 11/11/2003 | US6644753 Method and apparatus for remote self-propelled conveying in mineral deposits |
| 11/06/2003 | US20030205421 Battery powered shuttle car |
| 10/30/2003 | US20030201151 Mine conveying system |
| 10/30/2003 | US20030201150 Self-propelled articulated conveyor system |
| 10/21/2003 | US6634832 Apparatus for transporting particulate materials from a lower level to a higher level |
| 10/02/2003 | DE20311782U1 Demountable bridge for underground mines is assembled from rigid elements linked via flanges and with holes for securing railings and steps and other fittings |
| 09/17/2003 | CN2573681Y Hydraulic pushing chuting device |
| 09/02/2003 | US6612803 Positioning cradle for mine roof supports |
| 08/20/2003 | CN2567343Y Loading conveyor |
| 08/20/2003 | CN2567342Y Underground gallery bunker |
| 08/05/2003 | US6602040 Method and apparatus for transporting materials in a mine |
| 07/31/2003 | US20030140526 Universal trailer for a longwall roof support for longwall underground mining |
| 06/25/2003 | CN2557698Y Coal saving device matched used with light coal support frame |
| 06/12/2003 | DE20305411U1 Tunnelling machine, includes mixer device for adding solid material to excavated material before it is removed |
| 06/04/2003 | EP1315869A1 Installation carriage |
| 06/04/2003 | CN2554354Y Light rubber belt conveying machine for coal mine |
| 05/15/2003 | WO2003040523A1 Method of constructing underground gallery by using pneumatic transfer system, and stratum disposal method |
| 05/15/2003 | CA2466208A1 Method of constructing underground gallery by using pneumatic transfer system, and stratum disposal method |
| 05/08/2003 | DE20301584U1 Chain conveyer transfer system has a guider with a guiding angle which is interchangeable and can move in different positions relative to a console to which it is fixed |
| 05/07/2003 | CN1415509A Hydraulic arrester with capabilities of speed adjustment and soft braking |
| 04/09/2003 | CN2544103Y Large slope person carried hanging chair capable of taking off |
| 04/03/2003 | DE20301583U1 Blocker for mining scraper chain conveyor has vertical blocking wall with bent floor plate and exchangeable stripping blade |
| 02/05/2003 | EP1280978A1 Device for guiding and operating a mining machine |
| 01/22/2003 | EP1276685A1 Scraper chain conveyor for use in underground mining |
| 01/16/2003 | WO2003004873A1 Device for conveying free-flowing or bulk materials |
| 01/14/2003 | US6505709 Sleigh shaped device for mining raises |
| 11/20/2002 | CN1380212A Tunnel pipe transporting mounting vehicle |
| 10/29/2002 | US6470989 Method and arrangement for preventing the passage of a mining vehicle |
| 10/24/2002 | US20020154955 Apparatus for transporting particulate materials from a lower level to a higher level |
| 10/24/2002 | DE10149011A1 Monitoring face conveyor and winning machine operations involves processing conveyor drive data in work to regulate winning machine or switching rountine of face conveyor for balanced high-value production. |
| 10/03/2002 | WO2002048506A3 Self-propelled remote mining conveyor,method and apparatus therefor |
| 09/19/2002 | US20020130546 Method and apparatus for remote self-propelled conveying in mineral deposits |
| 09/18/2002 | CN1091208C Advancing tailpiece supported by supporting vehicle and belt conveyer system haivng such tailpiece |
| 09/12/2002 | US20020125760 Method and apparatus for remote self-propelled conveying in mineral deposits |
| 09/06/2002 | WO2002030792A3 Automated continuous haulage system |
| 08/06/2002 | US6428245 Method of and apparatus for transporting particulate materials from a lower level to a higher level |
| 07/23/2002 | US6422374 Power and control system for a mobile conveyor system |
| 06/20/2002 | WO2002048506A2 Self-propelled remote mining conveyor,method and apparatus therefor |
| 06/20/2002 | CA2431648A1 Self-propelled remote mining conveyor, method and apparatus therefor |
| 06/05/2002 | CN2494431Y Mine transition rail |
| 05/15/2002 | CN1084821C Transport apparatus for use in mines |
| 05/08/2002 | CN2490319Y Tunnel coal mining conveyor |
| 04/25/2002 | WO2002033220A1 Sleigh-shaped device for mining raises |
| 04/25/2002 | CA2422938A1 Sleigh-shaped device for mining raises |
| 04/18/2002 | WO2002030792A2 Automated continuous haulage system |
| 04/18/2002 | US20020043426 Modular ladder assembly for mine raise and kit therefor |
| 03/21/2002 | WO2002022974A1 Installation carriage |
| 03/21/2002 | WO2002022388A1 Battery powered shuttle car |
| 01/09/2002 | CN2470307Y Rear-unloading type skip moveable-unloading bend for inclined well |
| 11/28/2001 | CN2462074Y Simple monorail slings for lifting loads |
| 11/15/2001 | WO2001086118A1 Device for guiding and operating a mining machine |