| 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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| 05/03/2006 | EP1653009A1 Cutting member for a dredging system |
| 05/02/2006 | US7036890 Core breaker for an earth strata cutting assembly |
| 04/27/2006 | US20060087169 Coal plow cutter |
| 04/20/2006 | DE19721201B4 Gewinnungseinrichtung für untertägige Erzgewinnungsbetriebe Obtaining means for underground Erzgewinnungsbetriebe |
| 04/19/2006 | EP1646766A2 Method and device for extracting extraction products in underground mining |
| 04/19/2006 | EP1646484A1 Construction machine |
| 04/13/2006 | DE19781717B4 Halterung für eine Schrämpicke Holder for a cutting bit |
| 04/13/2006 | DE102005041509A1 Schneidwerkzeug mit Düse für das Aufsprühen von Wasser auf einen Schneidmeißel Cutting tool with nozzle for spraying water on a cutting bit |
| 04/06/2006 | DE102004046719A1 Meißel einer Fräsvorrichtung A milling cutter |
| 04/05/2006 | EP1222362B1 Cutting tool for breaking hard material, and a cutting cap therefor |
| 03/30/2006 | DE102005042663A1 Nicht drehbarer Verschleißring und Rückhaltemuffe für ein drehbares Werkzeug Non-rotating wear ring and retaining sleeve for a rotatable tool |
| 03/29/2006 | EP1641002A1 Magnetically held picks for a milling device |
| 03/28/2006 | CA2214047C Method of cutting and cutting rotative bit |
| 03/23/2006 | US20060061205 Device for produing a gas-liquid mixture in the vicinity of cutting tools |
| 03/23/2006 | DE202005002429U1 End bracket for extraction plant, especially for coal mining, has legs connected at base and inner sides of legs run out to edge of leg in each case via chamfer |
| 03/22/2006 | CN1751170A A mining lacing pattern |
| 03/16/2006 | US20060055229 Cutting tool with nozzle for spraying water on cutter bit |
| 03/15/2006 | CN2764744Y Rotary disc of loading mechanism |
| 03/15/2006 | CN2764743Y Loading width adjustable loading mechanism |
| 03/15/2006 | CA2516526A1 Cutting tool with nozzle for spraying water on cutter bit |
| 03/08/2006 | EP1631733A1 Retaining element for a round shank bit on a milling machine |
| 02/23/2006 | US20060038438 Method and apparatus for remote self-propelled conveying in mineral deposits |
| 02/23/2006 | DE19729053B4 Düse zur Staubbekämpfung im untertägigen Berg- und Tunnelbau mit einer staubbindenden Flüssigkeit Nozzle for dust control in underground mining and tunneling with a dust-binding liquid |
| 02/16/2006 | US20060033379 Cutting tool wear sleeves and retention apparatuses |
| 02/16/2006 | DE102005003734B3 Lathe tool holder socket is surrounded by a block that translates via a stress-relief groove to an angled side-extension |
| 02/15/2006 | EP1427913B1 Embossed washer |
| 02/15/2006 | CN2758699Y Automatic display for top and bottom quantity of shearer |
| 02/15/2006 | CN2758478Y Miniature self coal entry driving machine |
| 02/08/2006 | CN1732327A Cutting tool |
| 02/07/2006 | US6994404 Rotatable tool assembly |
| 02/02/2006 | DE10132608B4 Aktivierungsgerät und Aktivierungssystem zur Bereitstellung eines Schlagimpulses für Schneidköpfe hydraulischer Trägergeräte Activation device and activation system for providing a shock pulse for cutting heads hydraulic carrier devices |
| 01/24/2006 | US6988775 Scrapping method of building and scrapping machine |
| 01/19/2006 | DE102005001536B3 Tool for coal cutting machine or similar has connecting part with raised regions towards supporting element that engage in corresponding recesses in underside of supporting element |
| 01/19/2006 | DE102004030691A1 Werkzeug-Haltevorrichtung Tool-holding device |
| 01/18/2006 | EP1616077A1 Arrangement for passage control of mine vehicles |
| 01/12/2006 | US20060006727 Tool retainer |
| 01/11/2006 | EP1283936B1 Cutting tool and method of using same |
| 01/05/2006 | WO2006000270A1 Tool holder |
| 12/21/2005 | CN2747357Y Continuous conveying system for coal excavator |
| 12/20/2005 | CA2278735C Mining ultra thin coal seams |
| 12/20/2005 | CA2189132C A highwall mining system with mining and removal of coal (or ore) |
| 12/14/2005 | EP1604097A1 A mining lacing pattern |
| 12/08/2005 | WO2005012944A3 Geosteering detectors for boring-type continuous miners |
| 12/07/2005 | EP1336030A4 Cutting tool assembly with replaceable spray nozzle housing |
| 11/30/2005 | EP1421254B1 Method of orientation of a rock drilling rig |
| 11/30/2005 | CN2743542Y Coal cutter dust collecting device |
| 11/30/2005 | CN2743541Y Fixing device of coal cutter chain pick |
| 11/30/2005 | CN2743540Y Alloy chip of coal cutter cut chain pick |
| 11/23/2005 | CN2742138Y Dust remover for excavator |
| 11/23/2005 | CN1701161A Rotary cutting bit with material-deflecting ledge |
| 11/22/2005 | US6966611 Rotatable tool assembly |
| 11/10/2005 | WO2005106200A1 Mining apparatus equipped with ash analyzer and control system |
| 11/10/2005 | DE102004019383A1 Vorrichtung zur Halterung eines Schaftmeißels An apparatus for supporting a shaft tool |
| 11/10/2005 | CA2561803A1 Mining apparatus with precision navigation system |
| 11/08/2005 | US6962395 Non-rotatable protective member, cutting tool using the protective member, and cutting tool assembly using the protective member |
| 10/27/2005 | WO2005100748A1 Fixing device for a shank chisel |
| 10/25/2005 | US6957707 Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence |
| 10/19/2005 | CN1685133A Device for producing a gas-liquid mixture in the vicinity of cutting tools |
| 10/06/2005 | WO2005093214A1 Rotary cutting bit |
| 10/05/2005 | CN2731104Y Protective bar of electric control box of continuous coal cutter |
| 10/05/2005 | CN1676876A Spiral coal-loader type underground coal storage device |
| 09/29/2005 | US20050212345 Rotary cutting bit having spark suppression sleeve |
| 09/28/2005 | EP1579105A1 Cutting tool |
| 09/22/2005 | WO2005088073A1 Rotatable cutting tool |
| 09/22/2005 | DE102004011972A1 Meißel einer Fräsvorrichtung A milling cutter |
| 09/14/2005 | EP1574309A1 Chisel for a mill |
| 09/14/2005 | CN2725531Y Slot saw coal loading transportation machine |
| 09/01/2005 | US20050189441 Water spray assembly |
| 08/30/2005 | US6935443 Mini disk bit |
| 08/23/2005 | US6932172 Rotary contact structures and cutting elements |
| 08/11/2005 | US20050173966 Non-rotatable protective member, cutting tool using the protective member, and cutting tool assembly using the protective member |
| 08/10/2005 | CN1653245A Fixing device for a shank chisel |
| 08/09/2005 | US6926368 Method and apparatus for remote self-propelled conveying in mineral deposits |
| 08/03/2005 | EP1559525A1 Rotatable tool |
| 08/03/2005 | CN1648411A Mine machinery with detachable guide part and guide part for it |
| 07/28/2005 | WO2005069463A1 Arrangement for data transmission in mine, and cable reel |
| 07/28/2005 | US20050161995 Mining machine with releasable guide piece and the guide piece for it |
| 07/28/2005 | CA2551790A1 Arrangement for data transmission in mine, and cable reel |
| 07/27/2005 | EP1427911B1 Method for automatic generation of a drill pattern |
| 07/21/2005 | WO2005066459A1 Core breaker for an earth strata cutting assembly |
| 07/20/2005 | CN1641186A Coal digging machine for underground mining |
| 07/19/2005 | US6918636 Coal and rock cutting pick |
| 07/14/2005 | US20050151412 Plough for underground mining |
| 07/14/2005 | US20050150667 Bit holder for a ploughing bit and ploughing bit |
| 07/14/2005 | US20050150666 Fixing device for a shank chisel |
| 07/13/2005 | CN1637231A Tool carrier for planer tool of coal picking machine and coal cutter and coal picking machine planer tool |
| 07/13/2005 | CN1637230A Tool carrier for planer tool of coal picking machine |
| 07/07/2005 | US20050146199 Rotatable cutting tool for breaking hard material |
| 07/07/2005 | US20050146198 Core breaker for an earth strata cutting assembly |
| 07/06/2005 | CN1635263A Braking device of coal winning machine |
| 06/30/2005 | US20050140099 Bit holder for a ploughing bit of a coal or extraction plough and ploughing bit |
| 06/30/2005 | DE10354306A1 Spraying device for applying liquid-gas mixture to danger regions in mines, tunnels, underground works etc |
| 06/22/2005 | EP1543217A1 Rotary cutting bit with material-deflecting ledge |
| 06/16/2005 | US20050127742 Retaining system for securing a cutting tool to a support block |
| 06/16/2005 | US20050126891 Trough pan for a face conveyor with a loading ramp |
| 06/15/2005 | CN1626309A Technical method for producing pick type cutting bit |
| 06/14/2005 | CA2389736C Apparatus and method for continuous mining |
| 06/08/2005 | CN1625642A Trough pan for face conveyor with loading ramp check |
| 05/25/2005 | DE202005004383U1 Hobelführungsschuß für Gleithobel Plow guide shot for Gleithobel |
| 05/19/2005 | WO2003050391A8 Mining method for steeply dipping ore bodies |