| 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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| 09/28/2011 | CN101300404B Circular-shank tool comprising a tool holder |
| 09/22/2011 | WO2011113113A1 Cutting pick, wear and mounting system for mining machine |
| 09/22/2011 | WO2010149315A3 Method for the automated production of a defined face opening by means of slope-assisted radar navigation of the roller of a roller cutter loader |
| 09/21/2011 | EP2366059A1 Method for adjusting an automatic level control of the plane in planing operations in hard coal mining |
| 09/21/2011 | CN201982937U Centralized lubricating system of coal mining machine |
| 09/21/2011 | CN201982101U Surface protection device for first conveyor of development machine |
| 09/21/2011 | CN201982100U 一种薄煤层采煤机辅助装煤装置 Shearer aid of a thin seam coal loading device |
| 09/21/2011 | CN201982099U 安装部扩径的截齿 The mounting portion of the cutting bit flaring |
| 09/21/2011 | CN201982098U 一种新型截齿 A new cutter |
| 09/21/2011 | CN201982097U 一种耐磨强化截齿 A wear-resistant reinforced picks |
| 09/21/2011 | CN201982096U Cable towing switching device for cable towing device of coal mining machine |
| 09/21/2011 | CN201982095U 一种煤矿无人工作面刮板机电缆槽 One kind of unmanned mine Face scraper cable channel |
| 09/21/2011 | CN201982094U 一种无键联接液压回转气动冲击凿岩机 A non-pneumatic shock coupling hydraulic rotary drilling machine |
| 09/21/2011 | CN201982091U 用于采煤机的运输机闭锁装置 Transport locking device for Shearer |
| 09/21/2011 | CN201982090U 一种复合旋切的采掘机 A composite veneer of mining machine |
| 09/21/2011 | CN201982020U 一种复合旋切的采掘机 A composite veneer of mining machine |
| 09/21/2011 | CN201982019U 一种带定位孔或定位槽或复合定位孔的高效刀头 An efficient belt positioning holes or head positioning groove or composite positioning holes |
| 09/21/2011 | CN102192394A Device and method for monitoring oil volume of gear box |
| 09/21/2011 | CN102191935A Water vapor rotating jet dust settling device for comprehensive driving working face |
| 09/21/2011 | CN102191496A Material of guide sliding shoe of coal-winning machine and preparation method of material |
| 09/21/2011 | CN101709643B Longitudinal and transverse-swinging scraping plate chain of continuous coal mining machine |
| 09/20/2011 | US8020941 Cutter bit insert removal system and method |
| 09/20/2011 | US8020940 Mining and demolition tool |
| 09/15/2011 | US20110221259 Heading machine |
| 09/15/2011 | US20110220466 Pan section |
| 09/14/2011 | CN201972706U 一种采煤机开机率自动观测装置 One kind of automatic observation equipment operation rate Shearer |
| 09/14/2011 | CN201972705U 掘进机加强型前置外喷雾装置 Enhanced Pre-boring machine outside the spray device |
| 09/14/2011 | CN201972704U Gear clutch for rocker of thin seam coal mining machine |
| 09/14/2011 | CN102187058A Method for controlling mining in longwall face operations by monitoring the refuse part in the extraction |
| 09/14/2011 | CN102182458A Induced draft water curtain dust removing device for intercepted coal mining machine |
| 09/14/2011 | CN102182457A Intelligent dust-fall device of excavator |
| 09/14/2011 | CN102182456A Wear-resistant sparkless shearer pick composite coating and preparation method thereof |
| 09/14/2011 | CN101646617B Belt type conveyor apparatus with adjustable tail pulley |
| 09/14/2011 | CN101146979B Coal mining device |
| 09/13/2011 | US8016363 Automated excavation machine |
| 09/07/2011 | CN201963308U 一种掘进机湿式内喷雾装置 Within a roadheader wet spray devices |
| 09/07/2011 | CN201963307U 一种耙煤机 One kind of rake stoker |
| 09/07/2011 | CN102174890A Continuous coal mining system for mining thin coal layer and scraper conveyor thereof |
| 09/07/2011 | CN101418688B Intelligent full automatic combine coal mining system |
| 08/31/2011 | CN102168559A Active explosion suppression type coal mining machine |
| 08/31/2011 | CN102168557A Spinning coal mining machine |
| 08/31/2011 | CN101634224B Heading machine provided with cantilever type front canopy supporting protection device |
| 08/30/2011 | US8007051 Shank assembly |
| 08/30/2011 | US8007050 Degradation assembly |
| 08/30/2011 | US8007049 Breaking or excavating tool with cemented tungsten carbide insert and ring |
| 08/30/2011 | US8007048 Breaking or excavating tool with cemented tungsten carbide insert and ring |
| 08/25/2011 | WO2011101612A2 Extraction system for a mineral cutter pick |
| 08/25/2011 | US20110204703 Bit Assemblies for Road Milling Mining and Trenching Equipment |
| 08/25/2011 | US20110204702 Chisel holder having a weld as a wear protection element |
| 08/25/2011 | US20110204701 Sleeve with widening taper at rearward end of bore |
| 08/25/2011 | DE102010000481A1 Verfahren zur Bestimmung der Position oder Lage von Anlagekomponenten in Bergbau-Gewinnungsanlagen und Gewinnungsanlage Method for determining the position or location of plant components in mining production equipment and production plant |
| 08/24/2011 | CN201946047U Coal mining machine data and fault information recording system |
| 08/24/2011 | CN201944041U Hydraulic oil cooling system of coal mining machine |
| 08/24/2011 | CN201943702U 一种用于煤矿采煤机的指令发送器 Instructions for mine Shearer sender |
| 08/24/2011 | CN201943701U 一种用于薄煤层开采的连续采煤系统及其刮板输送机 A thin seam mining and continuous mining systems scraper conveyor |
| 08/24/2011 | CN201943700U 高耐磨截齿 High wear picks |
| 08/24/2011 | CN201943699U 掘进机二运转载机行走塔车防卸偏装置 TBM two op loader tower car anti-dumping bias walking device |
| 08/24/2011 | CN201943698U 凿岩设备用导轨及凿岩设备 Drilling equipment and drilling equipment with rails |
| 08/24/2011 | CN201943697U 主动抑爆型采煤机 Active explosion suppression Shearer |
| 08/24/2011 | CN201943696U 一种小型掘进机的操控机构 A small boring machine control mechanism |
| 08/24/2011 | CN102165139A Longwall equipment having a cutter loader guided on the longwall conveyor in a height adjustable manner |
| 08/24/2011 | CN102162366A Device for preventing transferring machine from floating upwards |
| 08/24/2011 | CN101761337B Air curtain sealing dedusting system on fully-mechanized excavating face |
| 08/17/2011 | CN201934103U 一种煤矿采煤机的无线指令发送器 One kind of mine Shearer wireless command transmitter |
| 08/17/2011 | CN201934102U 用于悬臂式掘进机的第二运输机 For the second transport of roadheader |
| 08/17/2011 | CN201934101U 无齿座加密齿截割机构 Block encryption toothless tooth cutting mechanism |
| 08/17/2011 | CN201934100U 一种掘进机机载式设备的滑移机构 A tunneling machine slip mechanism of airborne devices |
| 08/17/2011 | CN1930370B Rotary cutting bit and method for mining using same |
| 08/17/2011 | CN102155223A Displacement detection device for traveling mechanism of coal-winning machine |
| 08/17/2011 | CN102155222A Device and control method for automatically aligning scraper conveyor body for fully-mechanized surface |
| 08/17/2011 | CN102155221A Guide rail for rock drilling device and rock drilling device |
| 08/17/2011 | CN102155220A Anti-explosion and anti-falling device for hydraulic pipe of coal-winning machine or roadheader |
| 08/16/2011 | US7997661 Tapered bore in a pick |
| 08/16/2011 | US7997660 Hybrid retainer sleeve for tool inserted into block |
| 08/11/2011 | WO2011095463A2 Spray nozzle unit |
| 08/11/2011 | US20110193399 Full sleeve retainer for step-shank of tool |
| 08/11/2011 | CA2788428A1 Spray nozzle unit |
| 08/10/2011 | EP2352903A1 Mounting for a replaceable tool |
| 08/10/2011 | CN201924931U 可拆式液压扒装机 Detachable hydraulic picking machines |
| 08/10/2011 | CN201924930U 掘进机可调整装载机构 TBM adjustable loading mechanism |
| 08/10/2011 | CN201924929U 掘进机的无齿从动轮装置 Toothless driven wheel device roadheader |
| 08/10/2011 | CN201924928U 不稳定薄煤层采煤机辅助装置 Unstable thin seam shearer assist device |
| 08/10/2011 | CN201924927U 小型老塘拾煤器 Coal is a small old pond pickup |
| 08/10/2011 | CN201924926U 一种采煤机电缆及水管防护装置 One kind of cable and pipe guards Shearer |
| 08/10/2011 | CN201924924U 一种掘进机及其截割机构 One kind of boring machines and cutting mechanism |
| 08/10/2011 | CN201924923U 一种掘进机及其悬臂工作机构 One kind of boring machine and its working bodies boom |
| 08/10/2011 | CN102146793A Tunneller and cutting mechanism thereof |
| 08/09/2011 | US7992945 Hollow pick shank |
| 08/09/2011 | US7992944 Manually rotatable tool |
| 08/03/2011 | CN201915964U 刀具夹持器和用来容纳刀具夹持器的基座 Tool holder for receiving the tool holder and the base |
| 08/03/2011 | CN201915963U 连续采煤机旁路急停装置 Continuous miner bypass emergency stop devices |
| 08/03/2011 | CN201915962U 掘进机 Boring Machine |
| 08/03/2011 | CN201915960U 综合采煤设备及其采煤机 Integrated mining equipment and Shearer |
| 08/03/2011 | CN201915959U 采煤机 Shearer |
| 08/03/2011 | CN201915958U 一种滚筒采煤机的摇臂滚筒传动结构 Rocker drum shearer of a transmission structure |
| 08/03/2011 | CN102140915A Wet type inner spraying device of tunneling machine |
| 07/28/2011 | US20110181098 Miner cutting bit holding apparatus |
| 07/28/2011 | US20110181096 Rack bar haulage system with an improved rackbar to line pan connection |
| 07/28/2011 | US20110181095 Rack bar haulage system with an improved rackbar to line pan connection |
| 07/28/2011 | CA2787541A1 Pick tool and method for making same |