| 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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| 04/09/2013 | US8414084 Adaptive sleeve retainer for tool pick |
| 04/04/2013 | WO2013048241A1 Cutting device for an underwater excavation system |
| 04/04/2013 | WO2013044345A1 Systems and methods for motion capture in an underground environment |
| 04/04/2013 | WO2012143153A3 Cutting bit and bit holder |
| 04/04/2013 | CA2858213A1 Systems and methods for motion capture in an underground environment |
| 04/03/2013 | CN202851721U Coal mining machine clutch general assembly |
| 04/03/2013 | CN202851003U Automatic heightening system of coal mining machine roller based on image identification |
| 04/03/2013 | CN202851002U Novel internal spraying water inlet mechanism of tunneling machine |
| 04/03/2013 | CN202851001U Telescopic part dustproof structure of heading machine |
| 04/03/2013 | CN202851000U Stochastic automatic stretching safety device of reversed loader |
| 04/03/2013 | CN202850999U Belt conveyor moving drive end with cylinder range-extending function |
| 04/03/2013 | CN202850998U Hinge sliding side baffle plate type primary-conveyor swinging trough mechanism |
| 04/03/2013 | CN202850997U Novel coal piling window |
| 04/03/2013 | CN202850996U Structural member shell of coal cutter traction section |
| 04/03/2013 | CN202850995U Console of heading machine |
| 04/03/2013 | CN202850870U Flatbed cemented carbide substrate for synthetic diamond spherical tooth clad sheet |
| 04/03/2013 | CN202848538U Scraper reversed loader side plate self-closed opening skylight middle groove |
| 04/03/2013 | CN103025998A Holder block, holder block and pick assembly, machine and method for excavating |
| 04/03/2013 | CN103016042A Dust reducing agent adding device for coal mine |
| 04/03/2013 | CN103016006A Video monitoring device of wind driven dust removal coal mining machine |
| 04/03/2013 | CN103016005A Driven wheel device and roadheader shovel plate part structure with same |
| 04/03/2013 | CN103016004A Buffering guide method by reciprocating impact reactive force and vibration isolation mining machine |
| 04/03/2013 | CN103016003A Vibration isolation coal cutter |
| 04/03/2013 | CN101881166B Mining device and walking device thereof |
| 04/03/2013 | CN101798925B Cutting head type shortwall coal-winning machine and comprehensive mechanized coal mining technology |
| 03/28/2013 | WO2012113707A3 Self -aligning insert and degradation assembly |
| 03/28/2013 | US20130076102 Tool system and tool for mining machine |
| 03/27/2013 | EP2572074A2 Device for water-mist sprinkling |
| 03/27/2013 | CN202836689U Flexible oil pointer of coal mining machine for mines |
| 03/27/2013 | CN202833876U Arm body of high-power low seam mining machinery |
| 03/27/2013 | CN202833779U Braking device for shearer |
| 03/27/2013 | CN202832548U Detecting and controlling system and coal mining equipment |
| 03/27/2013 | CN202832547U Device for monitoring levelness of machine body of heading machine |
| 03/27/2013 | CN202832546U Inner spray dust removing device of roadheader |
| 03/27/2013 | CN202832545U Automatic spray system used for coal planer and coal planer |
| 03/27/2013 | CN202832544U Scraper reversed loader |
| 03/27/2013 | CN202832543U Tailings loading transporting device |
| 03/27/2013 | CN202832542U Material extraction system, face conveyer and middle groove assembly for underground mine |
| 03/27/2013 | CN202832541U Onboard temporary supporting device |
| 03/27/2013 | CN202832540U Heading machine auxiliary device for coal mine |
| 03/27/2013 | CN202832539U Position-limiting device of coal mining machine and scraper conveyor with position-limiting device of coal mining machine |
| 03/27/2013 | CN202832538U Manned cabin of thin seam mining machine |
| 03/27/2013 | CN202832537U Device for monitoring position of shovel plate of heading machine |
| 03/27/2013 | CN202832536U Fixed climb frame for heading machine |
| 03/27/2013 | CN202832535U Cantilever type coal cutter rocker arm |
| 03/27/2013 | CN202832529U Coal mining equipment |
| 03/27/2013 | CN202832528U Cantilever type electric traction coal cutter |
| 03/27/2013 | CN202823666U Arc-shaped nozzle |
| 03/27/2013 | CN103003471A Hard face structure and body comprising same |
| 03/27/2013 | CN102996128A Spraying device in coal mining machine |
| 03/27/2013 | CN102996127A Coal winning machine inner spray device with adjustable spray range |
| 03/27/2013 | CN102996126A Anti-falling cutting pick with composite assembled structure |
| 03/27/2013 | CN102996125A Heading machine and water-cooled cutting arm thereof |
| 03/27/2013 | CN102996123A Bidirectional material impacting method and bidirectional material impacting device |
| 03/27/2013 | CN102116153B Coal mining machine and guide gliders thereof |
| 03/27/2013 | CN101871360B Thin coal bed fully-mechanized mining scraper conveyor |
| 03/27/2013 | CN101828004B Method for controlling a cutting extraction machine |
| 03/27/2013 | CN101375017B Method for regulating the drive of a shearing or heading machine |
| 03/20/2013 | CN202810898U Automatic dust pelletizing system for mine |
| 03/20/2013 | CN202810864U Loading and transporting mechanism and drill loader |
| 03/20/2013 | CN202810854U Dry dust removing device of fully mechanized excavating machine for mine |
| 03/20/2013 | CN202810853U Dust collector |
| 03/20/2013 | CN202810852U Baffle for scraper loader |
| 03/20/2013 | CN202810851U Roadway reversible loader |
| 03/20/2013 | CN202810850U Friction-welding bimetal hard rock cutting teeth |
| 03/20/2013 | CN202810849U Heading machine control system based on scanning tunnel microscope 32 (STM32) |
| 03/20/2013 | CN202810845U Comprehensive mechanization rock gangway dig-anchor machine |
| 03/20/2013 | CN102979525A Movement control device of coal digging machine |
| 03/20/2013 | CN102979524A Robot control mining system |
| 03/20/2013 | CN102979523A Adjustable gap bridge for belt conveyor |
| 03/20/2013 | CN102061916B Power rear-mounted telescopic arm for tunneling machine |
| 03/20/2013 | CN101963058B Overturning moment resisting device for swing bearing |
| 03/14/2013 | WO2013001364A3 Extracting mined ore, minerals or other materials using sensor-based sorting |
| 03/13/2013 | CN202791739U Heading machine illuminating device |
| 03/13/2013 | CN202788851U Hard rock cutting pick |
| 03/13/2013 | CN202788850U Cutting and wedging type cutting jib for tunneling machines and coal mining machines |
| 03/13/2013 | CN202788849U Knife rest and knife rest system provided with knife rest and basic part |
| 03/13/2013 | CN202788848U Tunneling, anchoring and protection integrated machine |
| 03/13/2013 | CN202788847U Dismantling and installing road-header body frame |
| 03/13/2013 | CN202788846U Vibrating mechanism for tunneling machines and coal mining machines |
| 03/13/2013 | CN202788845U Cooling spray system of variable frequency speed-regulating chainless electric traction coal mining machine |
| 03/13/2013 | CN202788838U Cutting and wedging vibrating type operating mechanism for tunneling machines and coal mining machines |
| 03/13/2013 | CN202788629U Diamond hard alloy composite tooth for oil exploration and mining |
| 03/13/2013 | CN102971492A Cutter assembly configured to allow tool rotation |
| 03/13/2013 | CN102966367A Roadway construction equipment and dust removing device thereof |
| 03/13/2013 | CN102966352A Spraying device of scraper loader |
| 03/13/2013 | CN102966351A Limiting device of coal cutter and scraper conveyer with same |
| 03/13/2013 | CN102966350A Continuous miner and body part thereof |
| 03/07/2013 | WO2012077069A3 Face conveyor for extraction plants and trough element for said face conveyor |
| 03/07/2013 | US20130057046 Polygonal Shield Washer |
| 03/07/2013 | US20130057044 Mining machine with driven disc cutters |
| 03/06/2013 | CN202769054U Cable pull-hanging monorail crane mechanical fixed device |
| 03/06/2013 | CN202767998U Integrated fan structure of heading machine |
| 03/06/2013 | CN202767997U Water injection device of heading machine |
| 03/06/2013 | CN202767996U Hydraulic push chain plate reversed loader |
| 03/06/2013 | CN202767995U Chute following mechanism for first conveyor of roadheader |
| 03/06/2013 | CN202767994U Chute connecting device for first conveyor of roadheader |
| 03/06/2013 | CN202767993U Pick holder component for roadheaders |
| 03/06/2013 | CN202767992U Adaptive guide skid shoe for coal mining machine |
| 03/06/2013 | CN202767991U Hydraulic telescopic platform |