| Patents for E21C 25 - Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam (2,629) |
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| 03/05/2015 | WO2015031797A1 Shearer anti-collision |
| 03/05/2015 | WO2015027671A1 Reciprocating-impact excavating part of excavating machine having impact frames fastened by threaded-rod guiding apparatus |
| 03/05/2015 | US20150061351 Detecting sump depth of a miner |
| 03/03/2015 | US8967730 Wethead seal design for continuous mining machine |
| 02/26/2015 | US20150054332 Tooth and retainer |
| 02/24/2015 | US8961065 Method of milling asphalt |
| 02/11/2015 | CN204153149U 采煤机滚筒轴密封结构 Shearer drum shaft seal structure |
| 02/11/2015 | CN204152510U 双端盘式采煤机螺旋滚筒 Double-ended spiral disc shearer drum |
| 02/11/2015 | CN204152509U 一种采煤机强力滚筒 One kind of powerful drum shearer |
| 02/11/2015 | CN204152508U 一种车载凿石机 A vehicle-mounted machine stone quarry |
| 02/11/2015 | CN104343449A 一种采矿链锯 One kind of mining chainsaw |
| 02/11/2015 | CN104343448A 一种采煤机 One kind Shearer |
| 02/11/2015 | CN104343075A 用于刀头的带有偏移顶点的镶片以及具有这种镶片的刀头 Panels for the head with offset vertices and head with this veneer |
| 02/05/2015 | US20150035342 Pick tool and assembly comprising same |
| 02/04/2015 | CN204140067U 一种耐磨式采煤机滚筒 A wear-resistant type shearer drum |
| 02/04/2015 | CN204140066U 有利于轴承保持润滑的切割臂结构 Conducive to maintain lubrication of cutting arms bearing structure |
| 02/04/2015 | CN204140065U 大坡度凿岩掘进机 Large slope rock tunnel boring machine |
| 02/04/2015 | CN204140064U 采煤机振动式截割滚筒 Shearer drum vibratory cutting |
| 02/04/2015 | CN204140063U 一种旋挖采矿机 One kind of auger mining machine |
| 02/04/2015 | CN204140062U 悬臂式薄煤层大功率采煤机 Cantilever-power thin seam Shearer |
| 02/04/2015 | CN104329087A 具有驱动圆盘刀具的采矿机 Driven cutting disc having a mining machine |
| 02/04/2015 | CN102061914B 用于操纵采掘机切割器的方法 Manipulation of mining machine cutter method for |
| 01/29/2015 | US20150032433 Cutting drum and method of designing a cutting drum |
| 01/29/2015 | US20150028654 Chisel Holder |
| 01/28/2015 | CN204126645U 具有顶煤回采装置的采运煤一体机 Has a top coal mining coal mining equipment machine |
| 01/28/2015 | CN104314565A 一种采煤机强力滚筒 One kind of powerful drum shearer |
| 01/28/2015 | CN102465712B 超长钻孔高压水射流钻割联动煤层瓦斯抽放与防突系统及方法 Long diamond drilling high pressure water jet cutting linkage coal seam gas drainage and outburst prevention system and method |
| 01/27/2015 | US8939516 Rotary cutter drum for continuous mining machine |
| 01/21/2015 | CN104295295A 大坡度凿岩掘进机 Large slope rock tunnel boring machine |
| 01/14/2015 | CN204098911U 一种小型链轮式煤层切割装置 A small sprocket type coal cutting device |
| 01/14/2015 | CN204098910U 新型采运煤一体机 The new coal mining machine |
| 01/14/2015 | CN204098909U 走向短壁刨煤式液压支架 Short wall to plow hydraulic support |
| 01/14/2015 | CN103061756B 一种滚筒采煤机及其摇臂 A drum shearer and Rocker |
| 01/14/2015 | CN102979521B 摇臂式横向滚筒采煤机 Rocker transverse shearer |
| 01/08/2015 | US20150008720 Drive mechanism for a longwall mining machine |
| 01/08/2015 | DE112009000325B4 Vortriebsmaschine mit Bohrkopf aus Diskenwerkzeugen Boring machine with drill bit from disk tools |
| 01/07/2015 | EP2820242A1 A cutting drum and method of designing a cutting drum |
| 01/07/2015 | CN204082137U 一种掘进机的截割头 Cut a roadheader cutting head |
| 01/07/2015 | CN204082136U 一种用于掘进机的截割头 Cut for a roadheader cutting head |
| 01/07/2015 | CN104271883A 切割滚筒和设计切割滚筒的方法 Cutting drum and cutting drum design method |
| 01/07/2015 | CN104265286A 一种薄煤层滚筒铣煤机 Of a thin coal seam roller milling |
| 01/07/2015 | CN102943672B 采用自动修型的硬岩掘进机采煤机电控装置 Using TBM mining automatic repair of electrical control device type |
| 01/07/2015 | CN102650209B 掘进机 Boring Machine |
| 01/01/2015 | US20150001912 Wethead seal design for continuous mining machine |
| 12/30/2014 | US8920074 Underground mining apparatus |
| 12/24/2014 | CN204041069U 具有三螺旋等升角截齿排布方式的悬臂纵轴掘进机截割头 Angle picks up the way cantilever arrangement with a longitudinal axis of the triple helix, etc. roadheader cutting head |
| 12/24/2014 | CN204041068U 绳排式刨运薄煤层采煤机 Rope row transport plane thin seam Shearer |
| 12/24/2014 | CN104234712A 一种具有顶煤回采装置的采运煤一体机 Having a top coal mining coal mining equipment machine |
| 12/24/2014 | CN104234711A 适用于7～10m厚煤层的三滚筒采煤机以及开采方法 Suitable for 7 ~ 10m thick seam mining methods and three Shearer |
| 12/24/2014 | CN104234710A 一种车载凿石机 A vehicle-mounted machine stone quarry |
| 12/24/2014 | CN102704927B 一种综合机械化岩巷掘进机组 An integrated mechanized units Rock Roadway |
| 12/24/2014 | CN102587904B 一种综合机械化岩巷掘进机 An integrated mechanized rock roadheader |
| 12/18/2014 | US20140368022 Mineral Winning Pick, Pick Holder, And Combination |
| 12/17/2014 | CN204024652U 截煤机新型牵引传动结构 The new traction drive shearer structure |
| 12/17/2014 | CN204024651U 交流电牵弓i采煤机的螺旋滚筒 AC traction bow i spiral drum shearer |
| 12/17/2014 | CN204024650U 一种采煤机用螺旋滚筒 One kind of spiral drum Shearer |
| 12/17/2014 | CN204024649U (54)交流电牵弓i采煤机截割部传动系统 (54) AC traction bow i shearer cutting unit Transmission |
| 12/17/2014 | CN104213916A 可进行电机和液压驱动互换的采煤机截割部 Hydraulic drive motor and can be interchanged shearer cutting unit |
| 12/17/2014 | CN104213915A 装有防护板冲击设备 Equipped with fenders impact device |
| 12/10/2014 | CN204002789U 铲板机构及掘进机 Shovel institutions and boring machines |
| 12/10/2014 | CN204002780U 双截割头俯采机 Double cutting head upward mining machine |
| 12/10/2014 | CN204002779U 薄煤层采煤机及其滑槽式挡煤机构 Thin seam coal shearer and chute gear mechanism |
| 12/10/2014 | CN204002778U 一种横轴式截割器 Horizontal Cutting one kind of device |
| 12/10/2014 | CN204002777U 带铲煤板的采煤机摇臂 With a shovel coal shearer rocker panels |
| 12/10/2014 | CN104196529A 一种有利于轴承保持润滑的切割臂结构 A pro-lubricated bearing holding cutting arm structure |
| 12/10/2014 | CN102996130B 适用于模型试验的自动化微型采煤系统 Automated mining system is suitable for miniature model test |
| 10/07/2014 | US8851576 Hydro-demolition facet cutter and method of use |
| 09/18/2014 | US20140265527 Low-profile mechanical connection for a drive arrangement |
| 09/18/2014 | DE102014103474A1 Mechanische Verbindung mit geringem Profil für eine Antriebs-Anordnung Mechanical transmission with low profile for a drive assembly |
| 09/18/2014 | DE102014103406A1 Fräskopf für eine Strebbau-Schrämmaschine Milling head for a longwall shearer |
| 09/11/2014 | US20140252842 Mining machine with driven disc cutters |
| 09/02/2014 | US8820846 Automated pre-tramming operation of a mining machine |
| 08/28/2014 | US20140239700 Milling Drum Comprising A, More Particularly Replaceable, Material Guiding Device And Material Guiding Device For A Milling Drum |
| 08/21/2014 | US20140232171 Air flow system for mining machine |
| 08/21/2014 | US20140232170 Apparatus for the milling cutting of rock, minerals or other materials |
| 08/21/2014 | US20140232168 Device machining materials by milling or drilling, and method therefor |
| 08/19/2014 | US8807660 Automated stop and shutdown operation of a mining machine |
| 08/19/2014 | US8807659 Automated cutting operation of a mining machine |
| 08/14/2014 | US20140225417 Cab suspension system for a machine adapted to surface excavate rock or like materials |
| 08/13/2014 | CN203769776U 连续采掘机中部输送机驱动装置 Central continuous mining machine conveyor drive unit |
| 08/13/2014 | CN203769775U 一种矿山锯外侧面为全平面式的锯片安装结构 One kind of mine saw the outer side of the blade is fully planar mounting structure |
| 08/13/2014 | CN203769774U 一种采矿掘进装置 One kind of mining tunneling device |
| 08/13/2014 | CN103987920A 通过铣削或钻削加工材料的设备及其方法 By milling or drilling materials, equipment and methods |
| 08/06/2014 | EP2761135A1 Device machining materials by milling or drilling, and method therefor |
| 08/06/2014 | CN203756164U 截齿链传动滚筒式采煤机截割部 Cutter chain drive drum shearer cutting unit |
| 08/05/2014 | US8794867 Asphalt milling machine control and method |
| 07/30/2014 | CN203743522U 一种掘进机截割臂 One kind of roadheader cutting arm |
| 07/30/2014 | CN203742594U 新型双刀截煤机 The new pole shearer |
| 07/30/2014 | CN103953339A 一种块煤开采用采煤机及煤层开采方法 One kind of lump coal and coal seam open method using shearer |
| 07/30/2014 | CN103953338A 用对背槽增强扶正冲击头的方法及实施该方法用对背槽增强扶正冲击头装置 Enhanced with a groove on the back of the head righting the impact and implementation of the method used method for righting the impact head back grooves enhance device |
| 07/24/2014 | US20140203621 System for controlling speed of travel in a longwall shearer |
| 07/23/2014 | CN203729993U 矿用全断面矩形快速掘进机 Mining whole section rectangular rapid tunneling machine |
| 07/23/2014 | CN203729992U 一种用于掘进机的载有锚护装置的截割部 Cutting unit contains anchor retaining device for a roadheader |
| 07/23/2014 | CN103939101A 一种块煤开采方法 One kind of lump coal mining methods |
| 07/23/2014 | CN102628362B 薄煤层滚筒采煤机自动化工作面成套设备 Face thin seam shearer automation equipment |
| 07/23/2014 | CN102619511B 薄煤层滚筒采煤机工作面自动化集成控制系统 Face thin seam shearer automation integrated control system |
| 07/17/2014 | US20140197673 Skid Steer Slab Cutting Attachment |
| 07/16/2014 | CN203716961U 防爆型铣槽装载机 Ex-milling loaders |
| 07/16/2014 | CN103924971A 链式截煤机 Chain shearer |
| 07/16/2014 | CN103924970A 双臂四滚筒采煤机 Arms four shearer |