Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21C - Mining or quarrying › E21C 27 - Machines which completely free the mineral from the seam
Patents for E21C 27 - Machines which completely free the mineral from the seam (1,602)
10/2012
10/03/2012CN202467836U Crushing device for drum type coal mining machine
10/03/2012CN102713144A Compact selective roadheader
10/03/2012CN102704930A Mechanical power bucket mechanism of coal mining robot
09/2012
09/27/2012WO2012126036A1 A shearer mounted drill rig
09/26/2012CN202451152U Flexible slideway drag hook floating rope shearing device
09/26/2012CN202451151U Excavating impacting shovel
09/26/2012CN102691503A Strip mining machine for mine
09/19/2012EP2499333A2 Compact roadheader
09/19/2012CN202440084U Dumbbell connection component between slots and scraper conveyor and coal plough
09/19/2012CN102678116A Movable pushing device and coal mining machine
09/19/2012CN102678112A Core breaker for a mining machine
09/19/2012CN102678111A Efficient blocking coal shoveling device
09/06/2012DE102012101732A1 Polygonale Schutzscheibe Polygonal Windscreen
09/05/2012CN202417496U Pseudo-downhill skew mining ploughing and conveying self-advancing coal mining machine for high-dipping coal seam
09/05/2012CN202417495U Planing head position monitoring and control device for coal planer
09/05/2012CN102654053A Efficient block mining machine
09/04/2012CA2770084A1 Core breaker for a mining machine
08/2012
08/28/2012CA2595326C Device for milling rock and other materials and method for milling rock or the like using said device
08/23/2012DE202011050146U1 Vorrichtung für die fräsende Bearbeitung von Gestein, Mineralien oder anderen Materialien Device for milling treatment of rock, minerals or other materials
08/22/2012CN202391425U Rotary-percussion coal mining machine
08/22/2012CN102644441A Cone drill rod and manufacturing method thereof
08/16/2012US20120205964 Segments and apparatus for high wall mining including fluid feed
08/15/2012CN202381100U Drill loader operating device
08/15/2012CN102635354A Five-drill air inlet and outlet type coal mining machine
08/15/2012CN102042016B Adaptive hard-rock impact rotary crushing system
08/07/2012US8235470 Cutter head containing its motors and gearcase
08/01/2012CN202360093U High-efficiency clumpy coal shovel
08/01/2012CN202360090U Water-cutting segmentation coal mining machine for water-cutting segmentation coal mining method
07/2012
07/31/2012US8231179 Cutter drum extension mechanism
07/26/2012US20120187746 Fiber optic cable protection in a mining system
07/25/2012CN202348279U Pick drilling rod for pneumatic pick
07/25/2012CN102606156A Vibrating shovel type coal mining machine
07/25/2012CN101832134B Coal planer and planing chain connecting device thereof
07/18/2012CN202338343U 一种铲掘式全液压采煤机 One kind of shovel-type hydraulic shearer
07/18/2012CN202338342U 液压掘岩车 Hydraulic dig rock car
07/11/2012CN102003179B Saw blade type cave development machine
07/11/2012CA2763998A1 Bit holding system with an opening for removal of broken bits
07/04/2012CN202300399U Shipping mechanism and continuous miner
06/2012
06/27/2012CN101881163B Continuous miner and running part thereof
06/14/2012DE102010054430A1 Mobile machine i.e. shearer loader, for use in underground mining industry, has legs supported on frame and provided with displacement sensor and/or force sensor for detecting load acting on legs and movement of legs in adjustment direction
06/13/2012CN202273678U 综掘机的普采装置 Digging Machine conventional mining unit of
06/13/2012CN102493815A Drill loader working device
06/07/2012WO2011029111A3 Tunneling machine or extraction machine
05/2012
05/30/2012CN202250094U Square-box tunnel boring machine
05/30/2012CN202250072U Planing device used for mining and planing tool body
05/30/2012CN202250071U Dual-purpose drilling and loading machine of tunnel
05/30/2012CN101663462B Device for determining the cutting horizon of a mining extraction system, and pan element therefor
05/24/2012WO2011038436A3 Advancing machine
05/23/2012CN202227982U Multifunctional integral digging, loading, drilling and breaking machine for coal mine
05/18/2012WO2012061901A1 A scraper machine
05/16/2012EP2324158B1 Cutter to be mounted on an excavator, having cutting heads and a cutter chain.
05/10/2012WO2012058705A2 Tunneling machine
05/10/2012WO2012058701A2 Tunneling machine
05/10/2012WO2011105906A3 Launch vehicle for a mining system, a mining system and a method for mining
05/10/2012WO2011022744A3 Selective cut heading machine or advance working machine
05/09/2012CN202215245U Crushing-drilling integrated machine for tunneling
04/2012
04/19/2012US20120091782 Method for determining the position or situation of installation components in mineral mining installations and mining installation
04/18/2012CN202194658U 助冲击曲伸臂 The impact of the song to help outriggers
04/11/2012CN202187726U 一种锥形钎杆 One kind of cone drill rod
04/04/2012CN102400684A 一次冲击同时完成落煤与清面的方法及采掘冲铲 At the same time the impact of the completion of loading coal with clean surface mining methods and red shovel
04/04/2012CN102400683A 一种气镐的镐钎 One kind of gas-ho-ho brazing
04/04/2012CN102400682A 高效成块铲煤机 Efficient shovel coal into blocks
03/2012
03/28/2012CN102395756A Mining plough for plough systems and plough system for inclined formation
03/28/2012CN102395755A Bit arrangement for a mining plough, and mining plough for plough systems
03/28/2012CN102392639A Hydraulic rock digging vehicle
03/15/2012DE102011111868A1 Zweiteilige Werkzeughalteranordnung Two-piece tool holder assembly
02/2012
02/29/2012EP2422047A2 Bit arrangement for a mining plough, and mining plough for plough systems
02/29/2012EP2422046A2 Mining plough for plough systems and plough system for inclined formation
02/29/2012CN1948709B Chisel support adjustment arrangement and corresponding production plane
02/23/2012US20120043802 Bit arrangement for a mining plough, and mining plough for plough systems
02/16/2012US20120038204 Ploughing device for mining and plough body for said device
02/15/2012CN102352755A Square box shield machine
02/09/2012US20120032495 Mining plough for plough systems and plough system for inclined formation
02/09/2012US20120032494 Underground boring machine
01/2012
01/25/2012CN202125295U Rod linked linear impact coal-shoveling machine
01/18/2012CN202117670U Self-traveling lifting fully-hydraulic coal auger
01/11/2012CN202108509U Rock loading machine in mining area
01/04/2012CN102305072A Inverted triangle cutting process for rapid excavation of well lane
01/04/2012CN101705820B Coal drilling machine
12/2011
12/28/2011CN202090917U 回转移动式撬毛车 Rotary Mobile pry gross vehicle
12/28/2011CN102296951A 一种液压破碎锤的钎杆衬套 A hydraulic breaker drill rod bushing
12/22/2011DE202010008292U1 Hobeleinrichtung für den Bergbau und Hobelkörper hierfür Planing device for mining and plow body for this purpose
12/21/2011CN1854461B 刨煤装置和用来控制刨煤装置的方法 Plow devices and methods used to plow device control
12/07/2011CN202064648U 气动锤 Pneumatic hammer
11/2011
11/30/2011CN102261244A 一种用于刨煤机刨链紧链的阻链器 A plow plane chain link barrier chain is tight
11/30/2011CN102261243A 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
11/09/2011CN202031598U Coal plough control system
11/09/2011CN202031592U Support-type self comprehensive tunneler
11/09/2011CN1948710B Guiding chute section for guiding a chain-drawn sword plane
11/09/2011CN102235168A Reverse-stop lock paw for guide rail chain
10/2011
10/20/2011WO2011130688A2 Advancing longwall system for surface mining
10/20/2011WO2011130687A2 Conveyor system for continuous surface mining
10/20/2011WO2011130683A2 Continuous surface mining system
10/20/2011US20110254346 Advancing longwall system for surface mining
10/20/2011US20110254345 Continuous surface mining system
10/16/2011CA2736867A1 Self-propelled surface cutter having fixed support of the rotary cutter drive
10/13/2011WO2011057603A3 Compact roadheader
10/13/2011WO2011044877A3 Shearer loader having an integrated anchor setting unit
10/12/2011CN202007665U Mining hydraulic excavating and loading machine
10/12/2011CN102216564A Method and device for working rock
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