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