| Patents for E21C 27 - Machines which completely free the mineral from the seam (1,602) |
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| 03/05/2015 | WO2015027672A1 Reciprocating concussion mining portion for fastening concussion frame of guide screw of mining machine |
| 03/05/2015 | US20150061352 Face equipment comprising hose levels placed between the face conveyor and the shield support frames |
| 03/03/2015 | US8967728 Method of controlling a miner to cause wobble in the cutting heads |
| 02/24/2015 | US8960809 Continuous miner mid-conveyor drive |
| 02/19/2015 | US20150050088 Tunneling or extraction machine with an anchor-setting device and support manipulator or supporting device |
| 02/10/2015 | US8950823 Method and device for working rock |
| 02/10/2015 | US8950822 Fiber optic cable protection in a mining system |
| 02/04/2015 | EP2831375A2 Mining plow |
| 02/04/2015 | CN204140068U 一种刨刀刀位调整机构 One kind of planer cutter adjustment mechanism |
| 01/27/2015 | US8939516 Rotary cutter drum for continuous mining machine |
| 01/21/2015 | CN204113285U 一种具有让刀机构的刨煤机刨刀底刀 Having a mechanism to let the knife bottom plow planer knives |
| 01/21/2015 | CN104295298A 一种调整垫架 An adjustment mounts |
| 01/21/2015 | CN102691503B 一种矿山露天剥采机 One kind of open mine stripping machine |
| 01/20/2015 | US8936415 Roof support sheet handling for underground mines |
| 01/14/2015 | CN204098913U 双链刨运机 Duplexes planing machine transport |
| 01/14/2015 | CN204098912U 防爆型扒岩机分体式机架 Ex-Grilled Rack Split Rock Machine |
| 01/14/2015 | CN102979522B 一种刨刀及刨煤机 One kind of planer and plow |
| 01/08/2015 | US20150008720 Drive mechanism for a longwall mining machine |
| 01/07/2015 | EP2821591A1 Mining machine roof bolting rig |
| 01/07/2015 | EP2821590A1 Mining machine gathering head |
| 01/07/2015 | EP2821589A1 Mining machine cutting head drive assembly |
| 01/07/2015 | CN204082140U 一种调整垫架 An adjustment mounts |
| 01/07/2015 | CN204082139U 采矿机 Mining machine |
| 01/07/2015 | CN204082138U 防损坏驱动部件装置 Anti-corruption drive components of the device |
| 01/07/2015 | CN104265287A 一种刨煤机及其滑架结构 A stoker and carriage structure planing |
| 01/01/2015 | US20150003950 Reel system within boom |
| 12/31/2014 | CN104254668A 刨矿机 Planing mining machine |
| 12/30/2014 | US8920074 Underground mining apparatus |
| 12/28/2014 | CA2855234A1 Reel system within boom |
| 12/24/2014 | CN102791960B 铰接式前撇渣器支架 Articulated stand before skimmer |
| 12/18/2014 | US20140368021 Planing device |
| 12/17/2014 | CN104213917A 往复冲击采掘机摇臂旋转的方法及旋转摇臂往复冲击采掘机 Reciprocating impact mining machine arm rotation method and rotating arm reciprocating impact mining machine |
| 12/17/2014 | CN103089259B 一种双向冲削采掘的方法及实施该方法的双向冲削采掘机 A two-way punching cut mining methods and the implementation of the method of two-way punching cut mining machine |
| 12/10/2014 | CN204002828U 锯片切割式与破碎装置复合式掘进机 Saw cutting and crushing device composite roadheader |
| 12/10/2014 | CN104196531A 一种用于刨头的偏置式刀具及刨煤机 Offset tool for planing head and plow |
| 12/10/2014 | CN104196530A 双链刨运机 Duplexes planing machine transport |
| 12/02/2014 | US8899693 Material guide assembly |
| 11/27/2014 | US20140346840 Tool for breaking hammer, breaking hammer, and use thereof |
| 11/11/2014 | US8882204 Apparatus and method for mining coal |
| 11/04/2014 | US8876220 Segments and apparatus for high wall mining including fluid feed |
| 11/04/2014 | US8876219 Self-propelled surface milling cutter |
| 10/23/2014 | US20140314537 Removable liner assembly for a dipper |
| 09/18/2014 | WO2014139671A1 Ensuring working conditions along a longwall face |
| 09/18/2014 | US20140265524 Mining methods and equipment |
| 09/17/2014 | EP2778676A1 Ensuring working conditions along a longwall face |
| 09/11/2014 | US20140252842 Mining machine with driven disc cutters |
| 09/02/2014 | US8820848 Milling rotor for processing ground material and a ground milling machine having such a rotor |
| 08/28/2014 | US20140239699 Continuous miner mid-conveyor drive |
| 08/21/2014 | US20140232170 Apparatus for the milling cutting of rock, minerals or other materials |
| 08/14/2014 | WO2014026761A3 Mobile mining |
| 08/14/2014 | US20140227071 Conduit support structure for an industrial machine |
| 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 |
| 08/12/2014 | US8801106 Cleat for joining chassis modules |
| 08/07/2014 | US20140219762 Multi-deck mining vehicle |
| 08/06/2014 | EP2761136A1 Device and method for driving tunnels, galleries or the like |
| 08/06/2014 | EP2761135A1 Device machining materials by milling or drilling, and method therefor |
| 08/06/2014 | CN203756165U 一种高频震动耙装置 A high-frequency vibration rake device |
| 07/24/2014 | DE112012002096T5 Vorrichtung für die fräsende Bearbeitung von Gestein, Mineralien oder anderen Materialien Device for milling treatment of rock, minerals or other materials |
| 07/16/2014 | CN203716962U 采掘机插孔防转易拆卸往复冲击头 Anti-mining machine jack conveyancing demolition reciprocating impact head |
| 07/10/2014 | WO2014106458A1 Easily removable reciprocating impact head with anti-rotation slot for mining machine |
| 07/10/2014 | WO2014106456A1 Easily removable slide fastening type sealing device for mining machine |
| 07/09/2014 | CN103912274A 一种刨煤机及其可拆滑架结构 One kind of plow and removable carriage structure |
| 07/09/2014 | CN103912273A 采掘机插孔防转易拆卸往复冲击头 Anti-mining machine jack conveyancing demolition reciprocating impact head |
| 07/09/2014 | CN103912031A 撬毛台车 Pry hair trolley |
| 07/09/2014 | CN102395755B 用于采矿犁的钻头装置及用于犁系统的采矿犁 Mining equipment for mining drill plow and plow plow system for |
| 07/01/2014 | US8764893 Dust scrubber |
| 06/17/2014 | US8752906 Mining plough for plough systems and plough system for inclined formation |
| 06/11/2014 | EP2739824A1 Stabilization system for a mining machine |
| 06/11/2014 | CN103857878A Device and method for driving tunnels, galleries or the like |
| 06/10/2014 | CA2671246C Extendable cutter drum for a boring machine |
| 06/04/2014 | CN203626837U 新型矿用扒岩机扒斗 New Mine Grilled Grilled rock loader bucket |
| 06/04/2014 | CN103835714A Guiding protection chain device of coal plough |
| 06/04/2014 | CN102395756B Mining plough for plough systems and plough system for inclined formation |
| 06/04/2014 | CN101910559B Roof cutter holder adjustment device and securing element therefor |
| 05/28/2014 | CN103827443A 采掘机的稳定系统 Stable system of mining machine |
| 05/22/2014 | WO2014075806A2 Extraction installation for mineral extraction |
| 05/08/2014 | WO2014070073A1 Drilling rig and method of manoeuvring a drilling rig |
| 05/07/2014 | CN203584428U 一种旋转运动转变为往复冲击运动设备 A rotary motion into reciprocating impact exercise equipment |
| 05/06/2014 | US8714659 Bit arrangement for a mining plough, and mining plough for plough systems |
| 04/23/2014 | CN103742136A Rock drilling and explosion method for mining |
| 04/23/2014 | CN102261243B Supporting structure used for replacing plow head and sliding shoe of coal plough |
| 04/16/2014 | CN203547740U Low seam coal cutter |
| 04/16/2014 | CN103732859A Mobile mining machine and method for driving tunnels, roadways or shafts, in particular in hard rock |
| 04/16/2014 | CN102493815B Drill loader working device |
| 04/09/2014 | CN203531902U Two-piece type vibratory ore drawing hopper with adjustable height |
| 04/09/2014 | CN203531901U Multi-functional hydraulic rock drilling shoveling device |
| 04/09/2014 | CN203531900U Automatically fixed ore mining equipment rack |
| 04/09/2014 | CN103711485A Combined type pneumatic pick hung on I-steel support of coal mine |
| 04/03/2014 | WO2014048030A1 Coal planer |
| 04/03/2014 | WO2014023086A3 Impact head-centralizing method by means of heightening and/or widening back recess and a device for centralizing impact head by means of heightening and/or widening back recess that implements said method |
| 04/03/2014 | US20140091612 Mobile mining machine and method for driving tunnels, roadways or shafts, in particular in hard rock |
| 04/02/2014 | EP2712390A2 Mobile mining machine and method for driving tunnels, roadways or shafts, in particular in hard rock |
| 04/02/2014 | EP2712389A2 Mining installation for extracting seam-type or mass-deposit mineral materials, and mining machine for the same |
| 04/02/2014 | EP2712388A2 Apparatus for the milling cutting of rock, minerals or other materials |
| 04/02/2014 | EP2712387A2 Apparatus for the milling cutting of rock, minerals or other materials |
| 04/02/2014 | CN203515581U Swinging mechanism of hair-prying trolley working device |
| 04/02/2014 | CN203515326U Multi-addendum alloy tooth adopting special-shaped structure |
| 03/27/2014 | WO2014047037A1 Interlocking cable track system |
| 03/27/2014 | US20140084667 Apparatus for the milling cutting of rock, minerals or other materials |
| 03/27/2014 | US20140084666 Lump breaker for mining machine |