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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10/24/2012 | CN102753785A Method for determining the position or location of plant components in mining extracting plants and extracting plant |
10/24/2012 | CN102748024A 材料引导组件 Material guide assembly |
10/24/2012 | CN102748022A Tunneler and shovel board device thereof |
10/24/2012 | CN102748021A Multifunctional coal loader |
10/24/2012 | CN102748020A Coal mining excavation saw |
10/24/2012 | CN102747964A Diamond hard alloy composite tooth for oil exploration and mining |
10/24/2012 | CN102155223B Displacement detection device for traveling mechanism of coal-winning machine |
10/24/2012 | CN101967972B Mining equipment and spraying system thereof |
10/23/2012 | US8292372 Retention for holder shank |
10/17/2012 | CN202493269U Dragging device for rake loading machine |
10/17/2012 | CN102733807A Diesel-power full-hydraulic continuous stripping machine |
10/17/2012 | CN102733806A Guiding connection mechanism and excavator |
10/17/2012 | CN102733805A Coal mining machine |
10/17/2012 | CN102733803A Compound cantilever excavator |
10/17/2012 | CN102733802A Composite rotary-cutting mining machine |
10/17/2012 | CN102733757A Drill bit of drilling type coal mining machine |
10/11/2012 | WO2012136177A1 Wet scrubber having a compact demister that requires reduced energy demand |
10/11/2012 | US20120256470 Drum Housing For A Working Drum Of A Construction Machine Or Mining Machine, Construction Machine Or Mining Machine, As Well As Method For Monitoring The Condition Of A Working Drum Of A Construction Machine Or Mining Machine |
10/11/2012 | CA2832489A1 Wet scrubber with a compact demister that requires less energy |
10/10/2012 | CN202483574U Secondary negative pressure dust settling device of coal mining machine |
10/10/2012 | CN202483573U Watering dust removal device for fully mechanized winning face |
10/10/2012 | CN202483572U Cutting rocker arm shell structure |
10/10/2012 | CN202481677U Dual-side pin-row-type middle trough of scraper blade transshipment machine |
10/10/2012 | CN102720496A Method and system for automatically identifying coal rock interface of coal cutter, and automatically heightening roller |
10/10/2012 | CN102720495A Coal mining manipulator for thin seams and working method of manipulator |
10/10/2012 | CN102720494A Rolling harrow-based, material-turnover, material-charging and high-efficiency loader and loading method therefor |
10/10/2012 | CN102720493A Guide support device and coal cutter |
10/10/2012 | CN102720492A Development machine and on-off state detecting device of development machine |
10/10/2012 | CN102200089B Shearer and water treatment system thereof |
10/04/2012 | WO2012135063A2 Tail drive assembly |
10/04/2012 | WO2012130870A1 Pick assembly, pick holder for same, pick tool for same and strike element for same |
10/04/2012 | US20120248848 Cutting Device with Function of Changing Diameter in Small Range for Soft Rock Shield Machine |
10/04/2012 | CA2831410A1 Pick assembly, pick holder for same, pick tool for same and strike element for same |
10/03/2012 | CN202467842U Strong atomizing dust fall device of coal cutter |
10/03/2012 | CN202467841U Airborne strong-force atomizing and dust falling device for combined mining machine |
10/03/2012 | CN202467840U Pneumatic type high-expansion foam de-duster |
10/03/2012 | CN202467839U Plunger-type anti-blocking nozzle |
10/03/2012 | CN202467838U Cutting tooth base of heading machine |
10/03/2012 | CN202467665U Combined drilling tool for rotary drilling rig |
10/03/2012 | CN102713151A Segments and apparatus for high wall mining including fluid feed |
10/03/2012 | CN102713148A Method for producing a face opening using automation systems |
10/03/2012 | CN102713147A Attack tool assembly |
10/03/2012 | CN102713144A Compact selective roadheader |
10/03/2012 | CN102704932A Auto-induction excavation type material conveying mechanism of coal mining robot |
10/03/2012 | CN102704931A Shockproof mechanism of coal mining robot |
10/03/2012 | CN102071934B Heading machine and cantilever working mechanism thereof |
09/27/2012 | WO2012126028A2 Device for cooling chisels |
09/27/2012 | US20120242136 Cutting Tool |
09/27/2012 | DE102012005294A1 Schneidwerkzeug Cutting tool |
09/27/2012 | DE102012004938A1 Schneidplatte für einen Firstbohrmeißel Cutting plate for a roof drill bit |
09/26/2012 | CN202451202U Dust remover |
09/26/2012 | CN202451161U Underground bucket type hydraulic loading machine |
09/26/2012 | CN202451160U Cutting teeth device, cutting mechanism and coal machine |
09/26/2012 | CN202451159U Welding-free conical cutting tooth |
09/26/2012 | CN202451158U Scraper conveyer body straightening device |
09/26/2012 | CN202451157U Automatic deviation rectifying guide device |
09/26/2012 | CN202451156U Oil cylinder for coal mining machine |
09/26/2012 | CN202451155U Coal cutter and cable protection device thereof |
09/26/2012 | CN102691503A Strip mining machine for mine |
09/26/2012 | CN102691254A Cutting tool |
09/26/2012 | CN102689771A Rack rail support and coal mining machine |
09/26/2012 | CN102052058B Method for producing novel high-grade rock drilling diamond compound tooth |
09/20/2012 | DE202009018703U1 Straßenplanierspitze mit Beilagscheibe Straßenplanierspitze with washer |
09/19/2012 | EP2499333A2 Compact roadheader |
09/19/2012 | CN202441379U Coalface self-moving bridge-type reversed loader |
09/19/2012 | CN202441378U Conveyer chute |
09/19/2012 | CN202441377U Loading and transporting star wheel of heading machine |
09/19/2012 | CN202441376U Wear-resistant tooth device for coal saving equipment |
09/19/2012 | CN202441375U Small tooth difference type coal mining machine rocker |
09/19/2012 | CN102678162A Wet-type three-dimensional dust falling method for mine conveying roadway |
09/19/2012 | CN102678116A Movable pushing device and coal mining machine |
09/19/2012 | CN102678115A Rolling harrowing device |
09/19/2012 | CN102678114A Device for rolling and raking materials |
09/19/2012 | CN102678113A Material raking and breaking and surface cleaning loader |
09/19/2012 | CN102678111A Efficient blocking coal shoveling device |
09/19/2012 | CN102678110A Cutting-head type short-wall large-mining-height coal winning machine and comprehensive mechanized coal mining process |
09/19/2012 | CN102678109A Cutting part protective device for continuous mining machine and continuous mining machine |
09/18/2012 | US8267483 Shank chisel |
09/18/2012 | CA2699396C Foldable or detachable feed rail for rock drill |
09/12/2012 | CN202431274U Dedusting device for tunneling assembly |
09/12/2012 | CN202431273U Wedge-shaped connector of rock rake |
09/12/2012 | CN202431272U Tool holder |
09/12/2012 | CN202431271U Supporting sliding shoe of coal mining machine and coal mining machine |
09/06/2012 | US20120223568 Holder Block Assembly for a Cutting Tool Having a Hydraulic Piston and Method |
09/06/2012 | US20120223567 Core breaker for a mining machine |
09/06/2012 | DE102012101732A1 Polygonale Schutzscheibe Polygonal Windscreen |
09/05/2012 | CN202424917U Coal cutting visual device of coal mining machine |
09/05/2012 | CN202419097U Novel compulsive lubricating device for rocker arm of coal cutter |
09/05/2012 | CN202419096U Dynamic oiling device used for hydraulic system of coal mining machine |
09/05/2012 | CN202418518U Internal cooler device of gear transmission cavity of cutting part of coal mining machine |
09/05/2012 | CN202417502U Inner spraying device of coal mining machine |
09/05/2012 | CN202417501U Narrow array novel slagging-off machine with side conveying trough mechanism |
09/05/2012 | CN202417500U No-spark cutting pick |
09/05/2012 | CN202417499U Propelling angle adjusting device of conveyor for comprehensive coal mining faces |
09/05/2012 | CN202417498U Soft base plate roadheader |
09/05/2012 | CN202417496U Pseudo-downhill skew mining ploughing and conveying self-advancing coal mining machine for high-dipping coal seam |
09/05/2012 | CN102654190A Longwall shearer or other machine with a gear case for transmitting rotational power |
09/05/2012 | CN102654053A Efficient block mining machine |
09/05/2012 | CN102031969B Ultrasonic impulse dust collector of development machine |
09/05/2012 | CN102003178B Retractable tunneling machine convenient for underground transport |