| 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) |
|---|
| 01/31/2008 | WO2008011729A1 Electromagnetic energy assisted drilling system and method |
| 01/31/2008 | US20080024000 Method And Device For Continuously Informing The Operator Of A Tunneling Machine On Physical Features Of A Ground To Be Tunnelled |
| 01/31/2008 | DE10331970B4 Baumaschine Construction Machinery |
| 01/31/2008 | CA2659125A1 Electromagnetic energy assisted drilling system and method |
| 01/30/2008 | CN201013381Y Operating console controlling multiple ore drawing machines simultaneously |
| 01/30/2008 | CN201013380Y Full-automatic tunneling machine |
| 01/30/2008 | CN201013379Y Crab jaw type spade board |
| 01/30/2008 | CN201013378Y Coal cutter conical pick |
| 01/30/2008 | CN201013377Y Conical pick seat for coal cutter drum |
| 01/30/2008 | CN201013376Y Bottom-losing proof hand-piece |
| 01/30/2008 | CN201013373Y Coal mine down-hole short-wall mining forklift |
| 01/23/2008 | EP1880084A1 Cutting tool holding apparatus and method of use |
| 01/23/2008 | EP1880083A1 Mining methods and apparatus |
| 01/23/2008 | CN201011304Y Swivelling mechanism of coal mining machine |
| 01/23/2008 | CN101109282A Tunneling machine |
| 01/17/2008 | US20080012419 Round Shaft Chisel |
| 01/17/2008 | DE102006031824A1 Gleitschuh und Gewinnungsmaschine hiermit Shoe and mining machine hereby |
| 01/16/2008 | CN201007211Y Rotating pick for coal cutter |
| 01/16/2008 | CN201007210Y Front-located rack bar oil cylinder panoramic tables of cantilevered mechanical boring machine |
| 01/16/2008 | CN201007209Y Anti-slipping device for coal cutter |
| 01/16/2008 | CN101105128A Adjustable coal winning machine gas-water spraying device |
| 01/16/2008 | CN101105127A Shearer-loader drive subassembly and guide shoe for it |
| 01/10/2008 | WO2008003408A1 Slide block and winning machine therewith |
| 01/10/2008 | US20080008546 Dredger Cuttertooth Manipulator |
| 01/10/2008 | US20080007107 Pick locking device including a clamp element and a retaining pin |
| 01/09/2008 | CN201003402Y Dust removing system of excavation and bolting machine |
| 01/09/2008 | CN101100941A Down-hole coal excavation apparatus |
| 01/03/2008 | WO2006108200A8 Plastic ring for removeably fixing a round shank chisel in a chisel bush |
| 01/02/2008 | CN101099025A Arrangement for sucking dust |
| 01/01/2008 | US7314253 Plough for underground mining |
| 12/27/2007 | US20070296262 Cutting Machine |
| 12/26/2007 | EP1869286A1 Plastic ring for removeably fixing a round shank chisel in a chisel bush |
| 12/26/2007 | CN101092877A Round shaft chisel |
| 12/26/2007 | CN101092876A Forced lubricator of cut drive portion of coal cutter |
| 12/25/2007 | US7310897 Bit holder for a ploughing bit and ploughing bit |
| 12/19/2007 | CN200993019Y Continuous miner emergency stop control system |
| 12/19/2007 | CN200993018Y Continuous miner retreat sound-light alarm system |
| 12/19/2007 | CN200993017Y Independent emergency stop control system |
| 12/19/2007 | CN200993016Y Continuous miner gas monitoring system |
| 12/19/2007 | CN101091037A Chisel holder system |
| 12/19/2007 | CN101089365A Pick cutting assembly for excavating mechinery |
| 12/12/2007 | EP1324649B1 Ground-working tools for use in power rakes |
| 12/12/2007 | CN200989207Y Tunneller random protection system |
| 12/12/2007 | CN200989206Y Wheel type coal cutter coalcutting bit |
| 12/12/2007 | CN200989205Y Composite coal cutting picks |
| 12/12/2007 | CN200989204Y Independent quick stop control system |
| 12/12/2007 | CN101086207A External tunneling machine cutting part cutting head for sealing water |
| 12/12/2007 | CN101086206A Mining hard alloy coal cutting teeth |
| 12/05/2007 | CN200985792Y Walking multifunctional scraper bucket loading grab |
| 11/29/2007 | DE102006029300B3 Round shaft chisel fits into chuck, in which it can rotate, inner contour of chuck and outer contour of shaft allowing chisel to swivel about its longitudinal axis |
| 11/28/2007 | CN200982196Y Mining moving apron |
| 11/28/2007 | CN200982195Y Small-sized cantilevered tunneller for coal roadway |
| 11/27/2007 | US7300651 Methods of delaying development of CEA-associated tumors using anti-idiotype antibody 3H1 |
| 11/27/2007 | US7300115 Chisel holder |
| 11/27/2007 | US7300114 Cutting tool wear sleeves and retention apparatuses |
| 11/21/2007 | EP1631733B1 Retaining element for a round shank bit on a milling machine |
| 11/21/2007 | CN200978673Y Plugging-proof nozzle for tunneller |
| 11/21/2007 | CN101074604A Multi-bit rock driller |
| 11/20/2007 | CA2415057C Displacement and support device for a portable power tool |
| 11/14/2007 | EP1543217B1 Rotary cutting bit with material-deflecting ledge |
| 11/14/2007 | CN200975257Y Mine digging drilling machine construction dust proof clean-up water pipe |
| 11/07/2007 | EP1851411A1 Chisel holder system |
| 11/07/2007 | CN200971781Y Height-regulating device for inverted hydraulic cylinder of breaker |
| 11/07/2007 | CN100347407C Coal plough guide for coal plough for underground operation |
| 11/06/2007 | US7290726 Angular cutting tool |
| 10/25/2007 | DE19626030B4 Halterung von Bohrmeißeln Holder of drill bits |
| 10/18/2007 | US20070241605 Fixing Device for a Shank Chisel |
| 10/18/2007 | DE19925949B4 Vorrichtung zur Ermittlung des Schneidhorizonts einer Bergbaugewinnungsmaschine Device for determining the cutting horizon of a mining winning machine |
| 10/17/2007 | CN200961482Y Fully-excavated face wind curtain dust-collecting dust-removing system |
| 10/17/2007 | CN100343011C Technical method for producing pick type cutting bit |
| 10/16/2007 | CA2415198C A coal and rock cutting pick |
| 10/09/2007 | US7278692 Bit block with shroud protector |
| 10/04/2007 | DE102005005869B4 Verfahren zum Steuern einer Gewinnungsmaschine in Betrieben des untertägigen Steinkohlenbergbaus Method for controlling a mining machine in establishments of the underground coal mining industry |
| 10/03/2007 | CN200955393Y Wear-resisting cutting pick for coal-producing and engineering |
| 10/03/2007 | CN200955392Y Lane digger |
| 09/27/2007 | DE202007010047U1 Werkzeug Tool |
| 09/26/2007 | CN200952393Y Antiwearing coating enhanced pick tooth |
| 09/26/2007 | CN101042050A Medium sized or large sized hole drilling flat car wireless remote controller |
| 09/20/2007 | US20070216216 Mining Apparatus With Precision Navigation System |
| 09/19/2007 | CN200949467Y Digging machine internal spraying closed housing sealing automatic compensating device |
| 09/18/2007 | US7270379 Tool holder block and sleeve retained therein by interference fit |
| 09/16/2007 | CA2551544A1 Procedure for determining an indicator of the stresses on a dump truck tire |
| 09/13/2007 | DE10142438B4 Befestigungsanordnung für einen Schaftmeißel Mounting arrangement for a shank chisel |
| 09/12/2007 | CN200946513Y Wet type drilling water-injector for mining |
| 09/12/2007 | CN200946512Y Pickaxe-shaped cutter bit of coal mine digger |
| 09/06/2007 | US20070205652 Rotatable Cutting Tool |
| 09/05/2007 | EP1266125B8 Rotatable cutting tool |
| 09/05/2007 | CN200943498Y Coal-winning machine baffle |
| 08/30/2007 | CA2852108A1 Wear assembly |
| 08/23/2007 | US20070194618 Slide shoe for mining winning machine |
| 08/22/2007 | EP1819902A1 Chisel holder |
| 08/22/2007 | EP1579105B1 Cutting tool |
| 08/22/2007 | CN2937477Y Side water feeder of electric coal drill |
| 08/22/2007 | CN1333152C Fixing device for a shank chisel |
| 08/22/2007 | CN101021152A Damping feed machine |
| 08/22/2007 | CN101021151A Wearproof point attack bit and processing method thereof |
| 08/22/2007 | CN101021150A Driving head for entry-driving machine |
| 08/15/2007 | CN101018927A Cutting tool holding apparatus and method of use |
| 08/15/2007 | CN101016839A Shortwall mining forklift in underground mine |
| 08/09/2007 | US20070182239 Rotary cutting bit with material-deflecting ledge |