| 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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| 02/02/2012 | WO2012015347A1 Holder block, holder block and pick assembly, machine and method for excavating |
| 02/02/2012 | US20120025592 Attack Tool |
| 02/02/2012 | US20120025591 Rotatable grading pick with debris clearing feature |
| 02/02/2012 | US20120023833 High Impact Resistant Tool |
| 02/02/2012 | CA2805376A1 Metal matrix composite mining pick and method of making |
| 02/02/2012 | CA2805368A1 Holder block, holder block and pick assembly, machine and method for excavating |
| 02/01/2012 | CN202132043U 反外堵喷嘴 Anti-blocking nozzle outside |
| 02/01/2012 | CN202132042U 掘进机组合式外喷雾风水除尘装置 Feng Shui boring machine combined external spray dust removal device |
| 02/01/2012 | CN202132041U 一种掘进机用可拆卸式运输机 One kind of boring machine with a removable conveyor |
| 02/01/2012 | CN202132040U 掘进机铲板及其星轮驱动装置 TBM shovel and star wheel drive |
| 02/01/2012 | CN102340333A Bluetooth transmission device for coal mining machine |
| 02/01/2012 | CN102337891A Thin coal seam unmanned automated mining mode |
| 02/01/2012 | CN102337890A Safety protection plate for coal mining machine |
| 02/01/2012 | CN102337888A Large-gradient development machine |
| 01/31/2012 | US8104844 Sleeve for reversible cutting tool |
| 01/26/2012 | WO2012012160A2 Cutter assembly configured to allow tool rotation |
| 01/26/2012 | US20120019045 Water spray system for continuous miner and method of use |
| 01/26/2012 | US20120019044 Holder Block for Both Radial and Conical Tool Picks |
| 01/26/2012 | CA2711213A1 Rock crusher attachment |
| 01/25/2012 | EP2409800A2 Rotating cutting tool |
| 01/25/2012 | CN102330554A Tunnel heaving floor cleaning forklift truck |
| 01/19/2012 | US20120013168 Spring Biased Rotatable Tool |
| 01/19/2012 | DE102010060453A1 Tool for machining of materials, particularly for surface processing, has supporting body movable rotatably by drive around rotational axis and multiple drill bits arranged at supporting body |
| 01/18/2012 | CN202117673U Tunneller and dust removal wind barrel thereof |
| 01/18/2012 | CN202117672U Mining airborne wet dust collector |
| 01/18/2012 | CN102322286A Comprehensive dust falling method of coal mining comprehensive mechanized tunnel through return air suppression |
| 01/18/2012 | CN102322260A Waterproof and explosion-proof digital control type multifunctional unmanned mining machine |
| 01/12/2012 | WO2012004292A1 Hard face structure, body comprising same and method for making same |
| 01/12/2012 | US20120007413 Continuous-extraction mining system |
| 01/12/2012 | US20120007412 Continuous-extraction mining system |
| 01/12/2012 | CA2804664A1 Hard face structure, body comprising same and method for making same |
| 01/11/2012 | EP2405098A2 Rotating chisel assembly with wear disc |
| 01/11/2012 | CN202108942U Subsection lubrication structure of coal mining machine rocker arm gear cavity |
| 01/11/2012 | CN202108513U Dust source tracking, atomizing and dust-falling mechanism of coal mining machine |
| 01/11/2012 | CN202108512U Water quality purifying device with two filter elements for fully mechanized units |
| 01/11/2012 | CN102312677A Water jet dust removal spraying device for mine |
| 01/11/2012 | CN101787887B Pick having bimetal structure and preparation method thereof |
| 01/05/2012 | US20120001475 Cutter assembly configured to allow tool rotation |
| 01/05/2012 | DE102010026106A1 Fräsmeißelordnung mit Verschleißscheibe Fräsmeißelordnung with wear plate |
| 01/04/2012 | CN202100923U Oil quantity monitoring device of gear box |
| 01/04/2012 | CN202100258U Cutting tooth structure for spiral rotary drum of coal mining machine |
| 01/04/2012 | CN202100257U Screw drum of coal mining machine |
| 01/04/2012 | CN102305071A Tube curtain-wet type gradually-changed-density fiber grid composite dust remover for development machine |
| 12/29/2011 | DE102010017587A1 Clamping sleeve for chisel clamping sleeve arrangement, for fixing cylindrical drill collar of round shank cutter bit in receptacle hole of tool holder, has long slot and is radially compressible |
| 12/28/2011 | CN202090920U 一种掘进机铲板及掘进机 One kind of boring machine shovel board and boring machines |
| 12/28/2011 | CN202090919U 转载机行走装置 Loader walking device |
| 12/28/2011 | CN202090918U 一种肩部带合金条截齿 One kind of the shoulder belt alloy strip cutter |
| 12/28/2011 | CN202090917U 回转移动式撬毛车 Rotary Mobile pry gross vehicle |
| 12/28/2011 | CN102301092A 具有超硬切削表面的径向刀具 Superhard cutting tool having a radial surface |
| 12/28/2011 | CN102296956A 一种风道布置在掘进机中部的高效除尘系统 A wind tunnel boring machine in the middle of road layout efficient dust removal system |
| 12/28/2011 | CN102296955A 一种掘进工作面封闭式除尘方法及系统 One kind of tunneling face enclosed dust method and system |
| 12/28/2011 | CN102296954A 采煤机的无线遥控通讯状态检测系统 Shearer wireless remote communication status detection system |
| 12/28/2011 | CN102296953A 一种掘进机后稳定摆尾机构 After a stable institution wagging tail roadheader |
| 12/28/2011 | CN101832136B 掘进机自动纠偏方法及系统 TBM method and system for automatic correction |
| 12/22/2011 | WO2011156866A1 Method and apparatus for bulk seafloor mining |
| 12/22/2011 | DE202010008292U1 Hobeleinrichtung für den Bergbau und Hobelkörper hierfür Planing device for mining and plow body for this purpose |
| 12/21/2011 | EP2160274B1 Shank chisel |
| 12/21/2011 | CN202081893U 采掘机械免焊接组合式截齿 Mining machinery solderless modular cutter |
| 12/21/2011 | CN202081892U 刀具夹持器、基座和工具结构 The tool holder and tool base structure |
| 12/21/2011 | CN102287188A 防外堵喷嘴 External anti-blocking nozzle |
| 12/21/2011 | CN102287187A 矿物截割机截齿 Mineral cutting machine cutter |
| 12/21/2011 | CN102287185A 一种大功率重型薄煤层采煤机 One kind of high-power heavy thin seam Shearer |
| 12/21/2011 | CN101864955B 一种转载机凹槽及转载机 One kind of groove loader and loader |
| 12/21/2011 | CN101105127B 辊式装料机驱动部件及其导向卡块 Roll loader drive assembly and guide the card block |
| 12/15/2011 | DE102010023234A1 Method for controlling dust in underground mining with water spray system in mining operations, involves measuring current value of water pressure in area of nozzle or nozzle groups |
| 12/14/2011 | CN202076702U Electric cabinet for high-power low seam mining machine |
| 12/14/2011 | CN202073565U Mine-used integral solenoid valve |
| 12/14/2011 | CN202073564U 一种新型截齿 A new cutter |
| 12/14/2011 | CN202073563U 用于薄煤层采煤机的截煤机构 Cut for thin seam coal shearer agency |
| 12/14/2011 | CN102278459A 采煤机摇臂润滑装置 Shearer rocker lubrication device |
| 12/14/2011 | CN102278113A 一种自动截割控制方法和系统 An automatic cutting control method and system |
| 12/14/2011 | CN102278112A 一种用于采煤机行走的轨道及刮板输送机 A shearer walking track and scraper conveyor |
| 12/14/2011 | CN102278111A 一种掘进机星轮驱动装置和掘进机 One kind of boring machine star wheel drive and boring machines |
| 12/14/2011 | CN102278062A 金刚石复合齿 Diamond composite teeth |
| 12/14/2011 | CN101858213B 煤巷双平台四臂钻装运锚一体化机 Coal Lane dual-platform integrated four-arm drill ship anchored machine |
| 12/14/2011 | CN101737046B 刮板式悬臂输送机 Scraper boom conveyor |
| 12/14/2011 | CN101324190B 一种掘进机封闭式除尘方法及装置 One kind of boring machine enclosed dust method and device |
| 12/07/2011 | CN202064955U 掘进机截割头内喷雾水道结构 Roadheader waterway structures within the first spray |
| 12/07/2011 | CN202064954U 煤矿机掘面捕尘器 Surface coal mining machine digging dust catcher |
| 12/07/2011 | CN202064953U 矿用截齿 Mine picks |
| 12/07/2011 | CN202064952U 一种全液压折叠式伸缩台阶 A fully retractable hydraulic folding stairs |
| 12/07/2011 | CN202064950U 掘挖一体机截割头 Dig digging machine cutting head |
| 12/07/2011 | CN202061683U 一种掘进机龙门破碎机 One kind of boring machine gantry crusher |
| 12/01/2011 | WO2011101812A3 Method for determining the position of plant components in mining extracting plants |
| 12/01/2011 | WO2010150196A3 Method for determining the position of installation components in mining installations |
| 12/01/2011 | US20110291461 High Impact Resistant Degradation Element |
| 11/30/2011 | CN202055827U 一种液压驱动蟹爪式装煤机 A hydraulic drive crab claw-type coal loader |
| 11/30/2011 | CN202055826U 一种加强型截齿 Of an Enhanced picks |
| 11/30/2011 | CN202055825U 刮板机减速机油管、水管防护罩 Scraper deceleration oil pipe, pipe guard |
| 11/30/2011 | CN202055824U 采煤机安全挡板 Shearer safety barrier |
| 11/30/2011 | CN202055823U 刮板机行人过桥 Pedestrian bridge scraper |
| 11/30/2011 | CN202055822U 一种切割头式短壁采煤机 A cutting-head short wall Shearer |
| 11/30/2011 | CN102261246A 一种破碎锤钎杆的冷却抑尘装置及方法 A hammer cooling and dust control device and method for brazing rod |
| 11/30/2011 | CN102261245A 一种带辅助收料装置的铲板 A tape rewinding device shovel auxiliary board |
| 11/30/2011 | CN102261243A 一种用于更换刨煤机刨头滑靴的支撑结构 The support structure for the replacement plane plow head shoe |
| 11/24/2011 | WO2011144223A1 Face equipment set up for inertial navigation, and method for operating said equipment |
| 11/24/2011 | WO2011144194A2 Nozzle for a water-mist sprayer |
| 11/24/2011 | WO2011144193A2 Device for water-mist sprinkling |
| 11/24/2011 | WO2011004030A3 Attack tool assembly |
| 11/24/2011 | DE102010022114A1 Vorrichtung zur Wassernebelbedüsung Apparatus for Wassernebelbedüsung |