| 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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| 05/12/2010 | CN201458328U Novel scraper conveyer suspended chute |
| 05/12/2010 | CN201458327U Novel scraper conveyer hanging chute |
| 05/12/2010 | CN101705819A Anti-sideslipping boring machine and production method of bottom plate of shovel plate thereof |
| 05/12/2010 | CN101705818A Development machine capable of performing comprehensive coal mining operations |
| 05/12/2010 | CN101705817A Subaerial comprehensive winning machine |
| 05/12/2010 | CN101210493B Large gradient roadheader |
| 05/06/2010 | WO2010024999A3 Cutting tool with water injection to the cutting bit shank |
| 05/06/2010 | US20100109417 Automated Excavation Machine |
| 05/05/2010 | CN201448110U Wire rope coupler for scraper loader and scraper |
| 05/05/2010 | CN101701522A Coal mining and stripping machine with rollers having adjustable height for open coal mine |
| 05/05/2010 | CN101175895B Chisel holder |
| 04/29/2010 | WO2010019361A3 Bit holder block with non-rotating wear sleeve |
| 04/28/2010 | EP1664672B1 Geosteering detectors for boring-type continuous miners |
| 04/28/2010 | CN201443402U Hydraulic rock-breaking bag |
| 04/28/2010 | CN201443400U All-hydraulic caterpillar two-arm type tunnelling transverse reversed loader |
| 04/28/2010 | CN201443399U All-hydraulic multi-arm bucket type transverse reversed loader |
| 04/28/2010 | CN201443398U Armored belt conveyor for tunneling machine |
| 04/28/2010 | CN201443396U Excavating, anchoring and supporting all-in-one machine |
| 04/27/2010 | US7703857 Continuous miner having a sumping frame |
| 04/27/2010 | CA2598209C Excavating tooth assembly with rotatable connector pin structure |
| 04/22/2010 | DE112008000670T5 Einrichtung zur Ermittlung des Schnitthorizonts einer Bergbaugewinnungsanlage und Rinnenelement hierfür Means for detecting the cutting horizon of a mining recovery plant and gutter member of this |
| 04/21/2010 | CN201439718U Double dustproof water curtain for cutting coal on coal mining work surface |
| 04/21/2010 | CN201439717U Back-up traveling type crushing and transfer continuous transportation device of tunneling and bolting machine |
| 04/21/2010 | CN101696631A Wet type negative pressure dust removing device of continuous coal mining machine |
| 04/21/2010 | CN101696630A Circular-shank tool |
| 04/14/2010 | CN201437728U Forced reversing feed gear for planer head of coal planer |
| 04/14/2010 | CN101513706B Method for processing wear-proof head separation prevention pickaxe type cutting pick |
| 04/13/2010 | US7695071 Automated excavation machine |
| 04/08/2010 | WO2010037491A1 Method for controlling mining in longwall face operations by monitoring the refuse part in the extraction |
| 04/08/2010 | WO2010037215A1 Method and apparatus for processing a sized ore feed |
| 03/31/2010 | EP2167790A1 Cutting tip and tool |
| 03/31/2010 | CN201433767Y Connection mode between a mechanical boring machine and a back support |
| 03/31/2010 | CN201433766Y Novel side supporting device of mechanical boring machine |
| 03/31/2010 | CN201433765Y Wireless remote control excavating machine |
| 03/31/2010 | CN201433764Y Cutterhead for longitudinal shaft type development machine |
| 03/31/2010 | CN201433762Y Novel advance support mechanical boring machine |
| 03/31/2010 | CN101687341A Shank chisel |
| 03/31/2010 | CN101684730A Rotary cutting bit |
| 03/31/2010 | CN101684518A Pick for mining and method for carrying out heat processing on same |
| 03/30/2010 | US7686400 Geosteering detectors for rotary-type continuous miners |
| 03/25/2010 | WO2010031501A1 Longwall equipment having a cutter loader guided on the longwall conveyor in a height adjustable manner |
| 03/25/2010 | US20100071964 Thick Pointed Superhard Material |
| 03/25/2010 | DE202009014077U1 Meißel, insbesondere Rundschaftmeißel Chisel, especially round shank chisel |
| 03/24/2010 | CN201428456Y Rectangular strip hard rock conical cutting teeth |
| 03/24/2010 | CN201428390Y Coal-cutting drilling tool |
| 03/18/2010 | US20100065339 Thick Pointed Superhard Material |
| 03/18/2010 | US20100065338 Thick Pointed Superhard Material |
| 03/17/2010 | CN201424939Y Improved coal road boring machine |
| 03/17/2010 | CN100594290C Mine machinery with detachable guide part and guide part for it |
| 03/11/2010 | WO2010027315A1 Tool pick with channeled shaft end |
| 03/11/2010 | WO2010025788A1 Chisel holder having a weld as a wear protection element |
| 03/10/2010 | EP2160274A1 Shank chisel |
| 03/10/2010 | CN201420555Y Alloy wear resistant cutting pick |
| 03/10/2010 | CN201420554Y Cutting pick with alloy protective base |
| 03/10/2010 | CN201420553Y Mushroom type pressed pick-type bit |
| 03/10/2010 | CN101666229A Chisel holder |
| 03/09/2010 | CA2520698C Arrangement for passage control of mine vehicles |
| 03/04/2010 | WO2010024999A2 Cutting tool with water injection to the cutting bit shank |
| 03/04/2010 | US20100052407 Rotatable cutting tool with superhard cutting member |
| 03/04/2010 | DE10393218B4 Vorrichtung zur Erzeugung eines Gas-Flüssigkeits-Gemisches im Bereich von Schrämwerkzeugen Device for generating a gas-liquid mixture in the range of Schrämwerkzeugen |
| 03/03/2010 | CN201416447Y Reversed loader delivery chute equipped with replaceable middle board and bottom board |
| 03/03/2010 | CN201416446Y self-rotating pick-shaped cutter |
| 03/03/2010 | CN101663462A Device for determining the cutting horizon of a mining extraction system, and pan element therefor |
| 03/02/2010 | US7669938 Carbide stem press fit into a steel body of a pick |
| 02/25/2010 | WO2010021582A1 Full sleeve retainer for step-shank of tool |
| 02/25/2010 | DE10261646B4 Schrämwerkzeug Schrämwerkzeug |
| 02/25/2010 | CA2731317A1 Full sleeve retainer for step-shank of tool |
| 02/24/2010 | EP2156017A2 Shield control device for carrying out the longwall function of a longwall unit in the longwall face working in a mine |
| 02/24/2010 | CN201412157Y Water injecting and dedusting device of drill carriage |
| 02/24/2010 | CN201412156Y Air-liquid injection dust suppression device of boring machine |
| 02/24/2010 | CN201412155Y Roller jaw type rock loader |
| 02/24/2010 | CN201412154Y Abrasion-resistant head-shedding prevention point-attack cutting pick |
| 02/24/2010 | CN201412153Y Rock drill support with buffer spring |
| 02/24/2010 | CN201412152Y Internal spraying sealing device of boring machine |
| 02/24/2010 | CN201412149Y Scraper loader with longitudinal combination bottom joist bearing mechanism |
| 02/24/2010 | CN201412148Y Scraper loader with L-shaped open type anti-deformation structure |
| 02/24/2010 | CN201412147Y Scraper loader with full-section safety protection mechanism |
| 02/24/2010 | CN201412146Y Scraper loader with front ground anchor root-type goods collection mechanism |
| 02/24/2010 | CN201412145Y Tunneling machine with cantilever type forepoling bar supporting device |
| 02/18/2010 | WO2010019361A2 Bit holder block with non-rotating wear sleeve |
| 02/18/2010 | WO2010017823A1 Method and device for monitoring a cutting extraction machine |
| 02/18/2010 | CA2697618A1 Method and device for monitoring a cutting extraction machine |
| 02/17/2010 | CN201407067Y Coal mine underground explosion-proof multifunctional vehicle |
| 02/17/2010 | CN201407041Y Electric coal drill side water inlet device |
| 02/16/2010 | US7661765 Braze thickness control |
| 02/16/2010 | CA2468886C Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence |
| 02/10/2010 | CN201401192Y Safe corridor device at the tail of large inclined angle working face transfer conveyor |
| 02/10/2010 | CN201401173Y First lifting transporter of cantilever development machine |
| 02/10/2010 | CN201401172Y Special type coal-retaining plate of large inclined angle working face conveyor |
| 02/10/2010 | CN201401171Y Detachable shoveling plate |
| 02/10/2010 | CN201401170Y Waste rock-retaining protecting device of large inclined angle coal bed |
| 02/10/2010 | CN201401169Y Wear-resisting device for walking part of continuous miner |
| 02/10/2010 | CN201401168Y Coal-retaining and waterproof device of large inclined angle coal cutter |
| 02/10/2010 | CN201400454Y Antiskid and anti-subsidence device of large inclined angle working face front and rear conveyors |
| 02/04/2010 | WO2009151949A4 Cutting tool with nozzle for spraying water on a cutter bit |
| 02/03/2010 | CN201396155Y Shearer drum with spalling rib picks |
| 02/02/2010 | US7654769 Method and regulating system for producing a cover layer |
| 01/28/2010 | WO2010012286A1 Method for controlling a cutting extraction machine |
| 01/28/2010 | US20100019563 Guide shoe for a roller-type loader and wear inserts for guide shoes |
| 01/28/2010 | DE102008050068B3 Verfahren zum Steuern der Gewinnung in Strebbetrieben mittels Überwachung des Bergeanteils in der Förderung A method for controlling the extraction in longwall operations by monitoring the mountains share in the promotion |