| Patents for E21C 35 - Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or (6,127) |
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| 07/17/2003 | WO2003058031A1 Positioning of mechanised mining apparatus |
| 07/17/2003 | US20030132660 Chisel holder changing system with chisel holder receivers |
| 07/15/2003 | US6592304 Method for tipping a cutter head of an end-milling cutter |
| 07/09/2003 | EP1326001A1 Feed beam for a portable machine tool |
| 07/09/2003 | EP1324649A1 Ground-working tools for use in power rakes |
| 07/03/2003 | US20030122414 Cutting tool with hardened tip having a tapered base |
| 07/01/2003 | US6585327 Tool mounting assembly with tungsten carbide insert |
| 07/01/2003 | US6585326 Bit holders and bit blocks for road milling, mining and trenching equipment |
| 06/24/2003 | USRE38151 Rotatable cutting bit |
| 06/19/2003 | WO2003050391A2 Mining method for steeply dipping ore bodies |
| 06/19/2003 | US20030112153 Electronic method and apparatus for detecting and reporting dislocation of heavy mining equipment |
| 06/19/2003 | CA2469578A1 Mining method for steeply dipping ore bodies |
| 06/18/2003 | EP1319801A2 System for exchanging pick holders having tension screws |
| 06/17/2003 | US6578926 Mining machine having stabilizing apparatus and stabilizing apparatus |
| 06/12/2003 | WO2003048524A1 Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence |
| 06/05/2003 | DE10158603C1 Mini-Diskmeissel Mini-Diskmeissel |
| 05/29/2003 | US20030098182 Mini disk bit |
| 05/28/2003 | DE10163717C1 Chisel, for a coal cutter, comprises a head having cuttings-receiving pockets arranged a distance apart between the tip and an annular groove and running around the head to form partially concave cuttings-retaining surfaces facing the tip |
| 05/22/2003 | WO2003042500A1 Cutting tool for breaking mineral and artificial materials |
| 05/07/2003 | EP1307897A2 Ruggedized photomultiplier tube and optical coupling in armored detector |
| 05/07/2003 | CN1107565C Composite cermet articles and method of making |
| 05/01/2003 | WO2002090717A3 Support base and toolholder for a milling drum |
| 04/30/2003 | CN2547874Y Cutting pick |
| 04/29/2003 | US6554369 Cutting tool with hardened insert |
| 04/24/2003 | US20030077274 Particularly in high-risk individuals |
| 04/24/2003 | US20030075970 Mining machine and method |
| 04/03/2003 | DE20119109U1 Tunnel shaft boring cutter mounting has chisel fitting into bore in carrier and with tapered expandable retaining sleeve |
| 03/27/2003 | WO2003025341A1 Method for automatic generation of a drill pattern |
| 03/25/2003 | US6536847 Pick box for housing a mineral cutter pick |
| 03/20/2003 | WO2003023189A1 Embossed washer |
| 03/20/2003 | US20030052530 Hardened tip for cutting tools |
| 03/20/2003 | US20030052529 Arrangement for determining position of unmanned mining vehicles |
| 03/18/2003 | US6535771 Extraction controller for mining—extraction machines |
| 03/13/2003 | US20030047985 Embossed washer |
| 03/13/2003 | DE19964291C2 Werkzeug für eine Schräm-, Bergbau- oder Straßenfräsmaschine Tool for hewing, mining or road milling machine |
| 03/06/2003 | WO2003018952A1 Method of orientation of a rock drilling rig |
| 02/19/2003 | EP1283936A1 Cutting tool and method of using same |
| 02/12/2003 | CN1396982A Mining machine and method |
| 01/23/2003 | WO2003006165A1 A tooth cap assembly |
| 01/23/2003 | US20030015907 Bit holders and bit blocks for road milling, mining and trenching equipment |
| 01/22/2003 | EP1276969A1 Mining machine and method |
| 01/21/2003 | US6508516 Tool for a coal cutting, mining or road cutting machine |
| 01/16/2003 | WO2003004832A1 Fixing system for a cutting tool |
| 01/16/2003 | WO2002075361A3 Geosteering of solid mineral mining machines |
| 01/16/2003 | US20030011236 Cutting tool with hardened insert |
| 01/16/2003 | US20030009999 Dust collection system for a bolting machine |
| 01/08/2003 | EP1273411A2 Activation device for cutting head on hydraulic tool support |
| 12/27/2002 | WO2002103160A1 Mining machine having stabilizing apparatus and stabilizing apparatus |
| 12/19/2002 | US20020190567 Mining machine having stabilizing apparatus and stabilizing apparatus |
| 12/18/2002 | EP1266125A2 Rotatable cutting tool |
| 12/18/2002 | EP1266124A1 Arrangement for determining position of unmanned mining vehicles |
| 12/11/2002 | CN1095879C Pick-style tool with cermet insert having Co-Ni-Fe binder |
| 11/28/2002 | WO2002095190A1 Rotatable cutting bit and retainer sleeve therefor |
| 11/28/2002 | US20020175555 Rotatable cutting bit and retainer sleeve therefor |
| 11/28/2002 | DE10161009A1 Protective sleeve for bit holder on cutting tool assembly comprises split ring portion which is radially compressed by smaller opposite end portion as sleeve is hammered and axially displaced on bit holder |
| 11/27/2002 | CN2522619Y Coal seam flooding hole sealing device |
| 11/26/2002 | US6485104 Cutting tool assembly with replaceable spray nozzle housing |
| 11/26/2002 | CA2141984C Continuous control system for a mining or tunnelling machine |
| 11/19/2002 | US6481803 Universal bit holder block connection surface |
| 11/19/2002 | US6481802 Control system for longwall face alignment |
| 11/14/2002 | WO2002090717A2 Support base and toolholder for a milling drum |
| 11/14/2002 | US20020167216 Bit holders and bit blocks for road milling, mining and trenching equipment |
| 11/12/2002 | US6478383 Rotatable cutting tool-tool holder assembly |
| 11/07/2002 | US20020164215 Cutting or breaking tool as well as cutting insert for the latter |
| 10/31/2002 | WO2002086289A1 Rotatable cutting tool with isolated retainer stop |
| 10/31/2002 | US20020158503 Drum-type dual channel water-jet assisted cutting head |
| 10/31/2002 | DE10120491A1 Control of an open-pit mine digger, for continuous mineral extraction, uses electromagnetic waves to measure the densities of material layers to set the digger depth for optimum mining extraction |
| 10/30/2002 | EP1253286A1 Device for fixing a cutting element in a tunnelling machine |
| 10/24/2002 | US20020153175 Rotatable cutting tool with isolated retainer stop |
| 10/23/2002 | CN1093018C Inserted cast cutting tooth of coal cutter |
| 10/17/2002 | DE10115553A1 Water jet, for underground mining and tunneling, has a core jet stream with a high droplet density, surrounded by sprays of different densities to give a targeted point delivery with additional spraying |
| 10/15/2002 | US6465788 Ruggedized photomultiplier tube and optical coupling in armored detector |
| 10/10/2002 | WO2002079609A1 Positioning and repositioning systems for fixing toolholders to the drums of milling machines |
| 10/09/2002 | CN1373285A Coal plough guide for coal plough for underground operation |
| 10/08/2002 | CA2259245C Swing tail assembly for miner |
| 10/03/2002 | WO2002048506A3 Self-propelled remote mining conveyor,method and apparatus therefor |
| 10/02/2002 | DE10110015A1 Coalcutting machine pick wear disk is punched out as hexagon of maximum diameter points and interposed minima at spacing to cushion pick and pickholder wear. |
| 10/01/2002 | CA2192544C Apparatus and method for continuous mining |
| 09/26/2002 | WO2002075361A2 Geosteering of solid mineral mining machines |
| 09/26/2002 | CA2441621A1 Geosteering of solid mineral mining machines |
| 09/25/2002 | CN2512908Y Hydraulic driven duster carried by tunneller |
| 09/24/2002 | US6454360 Ground-working tools for use in power rakes |
| 09/19/2002 | US20020130546 Method and apparatus for remote self-propelled conveying in mineral deposits |
| 09/18/2002 | CN1091014C Composite cermet articles and method for making |
| 09/17/2002 | US6452163 Armored detector having explosion proof enclosure |
| 09/12/2002 | US20020125760 Method and apparatus for remote self-propelled conveying in mineral deposits |
| 09/10/2002 | CA2060288C Non-exposive mining |
| 09/05/2002 | US20020121804 Plough guide for underground mining ploughs |
| 09/05/2002 | DE10106753A1 Steuerung des Vorschubs und des Schneidwalzenhöhenniveaus eines Walzenschrämladers in Abhängigkeit von der Belastung des Walzentragarmes Control of feeding and cutting roller height levels Walzenschrämladers a function of the load on the roller support arm |
| 08/22/2002 | WO2002064948A1 Control of the advance and cutting roller height of a shearer loader according to the load of the roller carrier arm |
| 08/20/2002 | US6435619 Method for sensing coal-rock interface |
| 08/15/2002 | US20020109395 Bit holders and bit blocks for road milling, mining and trenching equipment |
| 08/06/2002 | US6428111 Round-shaft cutter |
| 08/06/2002 | US6428110 Cutting tool retainer |
| 08/06/2002 | US6427791 Drill bit assembly for releasably retaining a drill bit cutter |
| 08/01/2002 | DE10160668A1 Verschleissschutzhülse mit konischer Verriegelung und Haltevorrichtung Verschleissschutzhülse with conical locking and holding device |
| 07/31/2002 | CA2333781A1 Remote control system |
| 07/25/2002 | US20020096369 Drill bit assembly for releasably retaining a drill bit cutter |
| 07/24/2002 | EP1224380A2 Cutting tool and tool holder assembly |
| 07/18/2002 | US20020093240 Universal bit holder block connection surface |