Patents
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)
04/2012
04/11/2012CN102410019A 悬臂式掘进机装载机构 Roadheader loading mechanism
04/11/2012CN102410018A 小摩擦磁力排斥煤矿综采设备 Small friction magnetic repulsion fully mechanized coal mining equipment
04/05/2012US20120080931 Road planing tool
04/05/2012US20120080930 Cutter with diamond bit tip
04/04/2012EP2435638A1 Wear element for earth/rock working operations with enhanced wear resistance
04/04/2012EP2435636A1 Wearing element for ground engaging operations with enhanced wear resistance
04/04/2012CN202181897U 一种采煤机内喷雾联接装置 One kind of spray-coupling device Shearer
04/04/2012CN202181896U Guide slip shoe for coal mining machine
04/04/2012CN202181849U 金刚石硬质合金复合片 Diamond carbide composite sheet
04/04/2012CN102400705A 高突矿井煤巷掘进防突钻冲装锚机组 Lane Tunnel Coal Mine High sudden outburst prevention drill punch unit installed anchor
04/04/2012CN102400687A 一种采煤机滚筒专用的楔型截齿结构 One kind of special wedge shearer drum cutter structure
04/04/2012CN102400686A 采煤机启动方法和系统 Shearer start method and system
04/04/2012CN102400682A 高效成块铲煤机 Efficient shovel coal into blocks
03/2012
03/30/2012DE212010000094U1 Lehren eines Modells zur automatischen Kontrolle einer mobilen Bergbaumaschine Teach a model for the automatic control of a mobile mining machine
03/29/2012WO2012040156A1 Guidance system for a mining machine
03/29/2012US20120074759 Safety device for the movable excavation devices in an underground longwall mine
03/29/2012CA2813008A1 Guidance system for a mining machine
03/28/2012CN202176611U 一种采煤机及其万向连接装置 One kind Shearer and universal connecting device
03/28/2012CN202175965U Roadway floor heave removing device
03/28/2012CN202174029U 一种掘进机降尘喷头 One kind of boring machine dust nozzle
03/28/2012CN202174010U 一种采煤机降尘喷头 One kind of dust nozzle Shearer
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
03/28/2012CN102392640A Close-range thin coal layer simultaneous mining and parallel transporting method
03/27/2012CA2458562C Method and apparatus of orientation of a rock drilling rig
03/22/2012US20120068528 Cutting device for a mining machine
03/22/2012US20120068527 Quick-change tool holder system for a cutting tool
03/22/2012US20120068526 Cutting Tool Configuration Having Wear Disc
03/22/2012US20120068523 Guidance system for a mining machine
03/21/2012EP2430289A2 Cutting tool for a mining machine
03/21/2012EP2430288A2 Cutting device for a mining machine
03/21/2012CN202170795U Shoveling mechanism
03/21/2012CN1786415B Stell cable chain band type combined mining machine with driving, conveying, ventilating and signalling functions
03/21/2012CN102383800A Dust removing device for tunneling machine
03/21/2012CN102383799A High pressure resistant internal-leakage-free cutting device of tunnel boring machine
03/21/2012CN102383798A Tunneller for integrated wet type dust removal device
03/21/2012CN102383797A External blocking preventing nozzle
03/21/2012CN102383795A Comprehensive mechanical rock drift excavating process
03/21/2012CN102383794A Cross side dumping arrangement coordinated mode of rear conveyer of fully mechanized working face and support structure
03/21/2012CN102383792A Cutting type remote control coal mining machine
03/21/2012CN102383791A Shearer roller with slotting function
03/21/2012CN102383790A Novel cutting head spiral drum used for shearer
03/21/2012CN101438028B Cutting tool and method of assembling the cutting tool
03/20/2012US8136887 Non-rotating pick with a pressed in carbide segment
03/15/2012WO2012031610A1 Control of extraction work in underground coal mining by means of a laser measurement device
03/15/2012US20120062017 Two piece tool holder assembly
03/15/2012DE102011111868A1 Zweiteilige Werkzeughalteranordnung Two-piece tool holder assembly
03/14/2012DE202010017602U1 Meißel eines Straßenhobels Chisel plow a road
03/14/2012CN202165085U 综掘机红外光控急停装置 Digging Machine infrared light control emergency stop devices
03/14/2012CN202165084U 综掘机液控随机喷雾装置 Digging Machine pilot random spray device
03/14/2012CN202165083U 金属采煤机截齿 Metal shearer
03/14/2012CN202165082U 一种截齿 One kind of picks
03/14/2012CN202165081U 高强度高韧性新型一体式截齿 The new one-piece high strength and toughness picks
03/14/2012CN202165080U 综掘机截割头保护罩 Digging Machine cutting head guard
03/14/2012CN202165077U 一种掘进机及其工作机构 One kind of boring machine and its working bodies
03/14/2012CN202165017U 金刚石复合齿 Diamond composite tooth
03/14/2012CN102378848A Rotatable cutting tool-tool holder-base assembly
03/14/2012CN102373926A Fixer of picker guide wheel, and fixation method thereof
03/14/2012CN102373924A Entry-driving machine and cutting part thereof
03/12/2012DE202010013084U1 Abbauförderer für Gewinnungsanlagen und Rinnenelement hierfür Mining conveyor for mining equipment and gutter member of this
03/08/2012US20120056465 Cutting tool for a mining machine
03/08/2012DE102010044649A1 Wechselhaltersystem für einen Meißel Change toolholder system for a chisel
03/07/2012CN202157822U 一种自调整注水喷雾装置 A self-adjust water spray device
03/07/2012CN102369340A Method for controlling the cutting depth of shearers
03/07/2012CN102367734A Scraper conveyer head built-in spraying apparatus
03/07/2012CN102367733A Coal mining machine and support device thereof
03/06/2012US8128176 Device for determining the cutting horizon of a mining extraction system, and pan element therefor
03/05/2012DE202010013057U1 Meißelhalter und Werkzeugunterteil für einen Meißelhalter Toolholders and tool part for a toolholder
03/01/2012WO2012027707A1 Mineral seam detection for surface miner
03/01/2012WO2012025516A2 Wear part
03/01/2012WO2011101612A3 Extraction system for a mineral cutter pick
03/01/2012US20120049608 Retainer for rotatable cutting bit
03/01/2012CA2809485A1 Mineral seam detection for surface miner
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
02/29/2012CN202152683U 具有破碎机构的掘进机 Boring machine has broken bodies
02/29/2012CN202152682U 一种弧形挡煤板 One kind of curved block of coal board
02/29/2012CN202152639U 一种新型人造金刚石掘齿复合片 A new synthetic diamond tooth composite sheet
02/29/2012CN102364053A Heading-anchoring machine
02/28/2012US8123302 Impact tool
02/23/2012US20120043802 Bit arrangement for a mining plough, and mining plough for plough systems
02/23/2012DE102011017439A1 Sicherheitseinrichtung an den beweglichen Abbaugeräten in einem Streb des untertätigen Bergbaus Safety device to the mobile mining equipment in a longwall mining operating under the
02/23/2012DE102009027732B4 Meißel einer Fräseinrichtung Chisel a milling device
02/22/2012CN102359376A Air curtain and water mist linkage dust settling method for full mechanized workface
02/22/2012CN102359375A Electric cabinet cover plate
02/22/2012CN102359373A Drum shearer cutting part
02/22/2012CN101824984B 一种矿山巷道用挖斗装载机 One kind of mine roadway with a bucket loader
02/21/2012US8118371 Resilient pick shank
02/16/2012WO2012019474A1 Method, system, and probe for recognizing coal-rock interface
02/16/2012US20120038205 Extraction system for mineral extraction and retaining device for a sensor system therefor
02/16/2012US20120038202 Method for Controlling the Depth of Shears
02/09/2012WO2012018295A1 Rotatable grading pick with debris clearing feature, a tool and block assembly and a road grading machine
02/09/2012US20120032495 Mining plough for plough systems and plough system for inclined formation
02/09/2012US20120032494 Underground boring machine
02/09/2012DE102010033733A1 Method for recording convergence in armored face conveyor, mining machine guided to armored face conveyor and face operation of underground coal mining, involves detecting distance between slope end cap and brake attached to face conveyor
02/09/2012CA2806762A1 Rotatable grading pick with debris clearing feature, a tool and block assembly and a road grading machine
02/08/2012CN102345468A Safety device upon movable mining equipment within coal wall of underground mining
02/08/2012CN102345459A Cutting mechanism for heading machine
02/08/2012CN101899974B 一种掘进机及其浮动密封装置 One kind of boring machines and floating seal
02/02/2012WO2012015348A1 Metal matrix composite mining pick and method of making
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