| Patents for E21C 33 - Trucks or other devices for transporting machines for slitting or completely freeing the mineral from the seam (47) |
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| 02/28/2015 | CA2851465A1 Management system and management method for mining machine |
| 02/28/2015 | CA2849407A1 Mining machine management system and mining machine management method |
| 02/28/2015 | CA2849406A1 Mining machine management system and mining machine management method |
| 02/28/2015 | CA2848840A1 Mining machine management system and mining machine management method |
| 02/28/2015 | CA2848835A1 Management system and management method of mining machine |
| 01/30/2015 | CA2849465A1 Management system and management method of mining machine |
| 06/05/2014 | WO2014083239A1 A method and an arrangement for controlling power supply in an electric mining unit |
| 05/21/2014 | CN203603902U 一种分体掘进机本体 One kind of split tunneling machine body |
| 03/12/2014 | CN203476324U Lateral displacement mechanism applicable to mining track mobile equipment |
| 09/11/2013 | CN203189017U Micro-drilling vehicle suitable for mechanical mining of extremely thin ore vein |
| 01/31/2013 | DE102009041045B4 Fahrbare Arbeitsmaschine für den Bergbau The mobile machine for mining |
| 01/07/2013 | DE202011051567U1 Antriebs- oder Umkehrstation an einer Gewinnungs- oder Fördereinrichtung Drive or reverse station in a production or conveyor |
| 12/27/2012 | WO2012174608A1 Mobile support system for a raise-boring rig |
| 06/21/2012 | WO2012079112A1 A train loading system |
| 03/24/2011 | DE102009041045A1 Movable work machine for use in mining industry for e.g. tunnel construction, has swivelable unit co-acting with battery operated drive- and control component for variable changing of tilting angle of hammer |
| 01/26/2011 | CN201723250U Large-scale equipment turning device used for underground main haulage roadway |
| 09/16/2007 | CA2551544A1 Procedure for determining an indicator of the stresses on a dump truck tire |
| 12/07/2006 | DE19819140B4 Vorrichtung zum Führen eines Kohlenhobels an der Förderrinne eines Kettenkratzförderers An apparatus for performing a coal plow on the conveyor trough of the scraper chain conveyor |
| 11/22/2006 | CN2839557Y Auxiliary supporting mechanism for development machine |
| 10/25/2006 | CN2830638Y Ecological environment protection small coal development machine |
| 12/21/2005 | CN2747356Y Continuous coal excavator with protective bumper connection board |
| 10/05/2005 | CN2731103Y Assembling platform frame of drawing box for coal cutter |
| 10/05/2005 | CN2731102Y Top board of drawing box for coal cutter |
| 02/09/2005 | CN2677616Y Excavation machine |
| 11/05/2003 | CN2584828Y Coal transporting breaking machine |
| 10/08/2003 | CN2578526Y Crusher of delivery breaker |
| 05/01/2001 | US6224164 Mining machine with detachable articulated cutting assembly |
| 03/08/2000 | CN2367767Y Electric-tracted coal-cutting machine |
| 07/07/1999 | CN2327786Y Quick loader for broken rocks in tunnel |
| 04/28/1999 | CN2316458Y Face mining slicer-loader |
| 11/15/1988 | US4784439 Movable cutting machine |
| 09/08/1987 | US4691967 Apparatus for controlling the discharge of pressurized liquid from nozzles on a cutting drum of a mining machine |
| 07/29/1987 | CN86100272A Tractor of combined cutter-loader |
| 07/23/1986 | CN85105754A Ore-plough for thin layer of mineral bed |
| 05/28/1986 | EP0182500A1 Carousel rod loader |
| 05/27/1986 | US4591209 Protecting device for partial-cut cutting machines |
| 05/21/1985 | CA1187517A1 Movable cutting machine |
| 04/23/1985 | US4512706 Shear dolly for long wall mining |
| 03/20/1984 | US4437708 Cutting devices for mining and tunnelling machines |
| 10/11/1983 | CA1155144A1 Device for preventing ingress of dust through the annular gap between the cutting arm and the cutting head of a cutting machine |
| 06/21/1983 | US4389075 Device for preventing ingress of dust through the annular gap between the cutting arm and the cutting head of a cutting machine |
| 03/03/1982 | EP0046745A1 Cutting machine |
| 01/12/1982 | US4310199 Cutter drum assembly for a continuous mining machine |
| 10/27/1981 | US4296856 Material gathering device for a mining machine |
| 07/19/1977 | US4036377 Device for transporting loads, especially for belt driving stations in open pit mining |
| 12/07/1976 | US3995908 Hydraulic-mechanical coal mining combine |
| 10/26/1976 | US3987908 Mining apparatus |