| 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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| 02/19/2014 | CN203441493U Composite diamond bit |
| 02/19/2014 | CN203441492U Reinforced cutting tooth |
| 02/19/2014 | CN203441491U Combined mining equipment cooling water recycling and utilization system |
| 02/19/2014 | CN203441489U Supporting and guiding device for walking part of coal winning machine |
| 02/19/2014 | CN203441488U Cutting device of longitudinal axis type roadheader |
| 02/19/2014 | CN103596659A Wet scrubber having a compact demister that requires reduced energy demand |
| 02/19/2014 | CN103590829A Four-roller coal cutter adopting double-roller cutting parts |
| 02/18/2014 | US8651581 Safety device for the movable excavation devices in an underground longwall mine |
| 02/18/2014 | CA2685783C Collapsible cushion |
| 02/18/2014 | CA2441621C Geosteering of solid mineral mining machines |
| 02/13/2014 | WO2014023086A2 Impact head-centralizing method by means of heightening and/or widening back recess and a device for centralizing impact head by means of heightening and/or widening back recess that implements said method |
| 02/13/2014 | WO2013021282A3 Rotary cutter drum |
| 02/13/2014 | US20140042795 Cutting bit and bit holder |
| 02/13/2014 | DE112012002132T5 Gewinnungseinrichtung zum Abbau von flözartig oder massiv abgelagerten mineralischen Materialien und Gewinnungsmaschine hierfür Obtaining means for reducing flözartig or solid deposited mineral materials and mining machine for this purpose |
| 02/12/2014 | EP2694186A1 Wet scrubber having a compact demister that requires reduced energy demand |
| 02/12/2014 | CN203431247U Water distribution valve of coal mining machine |
| 02/12/2014 | CN203430517U Novel underground coal mining machine control system of coal mine |
| 02/12/2014 | CN203430516U Loaded foam dedusting system heading machine |
| 02/12/2014 | CN203430515U Conveyor |
| 02/12/2014 | CN203430514U Slag skimming machine |
| 02/12/2014 | CN203430513U Double-connected-pickaxe type cutting tooth seat of drum-type coal mining machine |
| 02/12/2014 | CN203430512U Drilling type coal mining machine for large-inclination-angle coal seam |
| 02/12/2014 | CN203430511U Forepoling device of bolter-miner |
| 02/12/2014 | CN203430510U Main machine body of coal mining machine |
| 02/12/2014 | CN203430509U Walking track for coal mining machine |
| 02/12/2014 | CN103574028A Oil return preventing device for motor of P-series scraper loader |
| 02/12/2014 | CN103573267A Leading scraper chain bottom-insertion type mucking machine |
| 02/12/2014 | CN103573265A Method for strengthening impact device by heightening and/or widening impact guide pieces and impact device for increasing strengthened impact strength by implementing method |
| 02/12/2014 | CN101956554B Water spray assembly and pick box employing same |
| 02/11/2014 | US8646848 Resilient connection between a pick shank and block |
| 02/11/2014 | CA2640018C Method and apparatus for processing a sized ore feed |
| 02/06/2014 | US20140035346 Milling drum having integral tool mounting blocks |
| 02/06/2014 | US20140035345 Milling drum tool holder |
| 02/05/2014 | EP2691579A1 Pick assembly, pick holder for same, pick tool for same and strike element for same |
| 02/05/2014 | CN203420708U Conveying mechanism dedicated to mine mining and loading integrated machine |
| 02/05/2014 | CN203420707U Mining machine supporting platform |
| 02/05/2014 | CN103562496A Mining installation for extracting seam-type or mass-deposit mineral materials, and mining machine for the same |
| 02/05/2014 | CN103556998A Method of preventing fully-mechanized coal mining face cable from jumping from slot |
| 02/05/2014 | CN103556996A Full-rock roadway longitudinal shaft type heading machine |
| 01/30/2014 | WO2013014192A3 Tips for pick tools and pick tools comprising same |
| 01/29/2014 | EP2689104A2 Device for cooling chisels |
| 01/29/2014 | CN203412582U High-wear-resistant cutting tooth applicable to mining machine |
| 01/29/2014 | CN203412581U Umbrella hat shaped abrasion-resistance conical cutting pick |
| 01/29/2014 | CN103541732A A system and method for monitoring mining machine efficiency |
| 01/29/2014 | CN103541731A Coal mining system capable of automatically assembling and disassembling drill rod groups |
| 01/29/2014 | CN102027171B Road grading pick with washer |
| 01/29/2014 | CN101922290B Coal-rock interface identification method, identification system and identification probe |
| 01/28/2014 | US8636325 Mining and demolition tool |
| 01/28/2014 | CA2804664C Hard face structure, body comprising same and method for making same |
| 01/23/2014 | WO2013021283A3 Cutter tool |
| 01/22/2014 | CN203403903U Temporary supporting and guarding device of cantilever heading machine |
| 01/22/2014 | CN203403881U Coal mining machine continuing remote control system on coal mine fully-mechanized working face |
| 01/22/2014 | CN203403880U Wireless receiving antenna leading-out device for coal mining machine |
| 01/22/2014 | CN203403879U Crushing and loading integrated electric pick locomotive for underground mining |
| 01/22/2014 | CN103534440A Arrangement for fixing a cutter |
| 01/22/2014 | CN103534439A Apparatus for the milling cutting of rock, minerals or other materials |
| 01/22/2014 | CN103534415A Pick assembly, pick holder for same, pick tool for same and strike element for same |
| 01/22/2014 | CN103527194A Real-time monitoring and intelligent evaluation system for health degree of electric traction coal mining machine and method thereof |
| 01/22/2014 | CN103527193A Pick of fully-mechanized roadheader for coal mine |
| 01/22/2014 | CN103527192A In-hole dual-tensioning dual-wheel anchorage guider |
| 01/22/2014 | CN103527191A Anti-collision device in automatic control process of heading machine |
| 01/21/2014 | US8632133 Water sprays for dust control on mining machines |
| 01/16/2014 | US20140015305 Pick assembly, pick holder for same, pick tool for same and strike element for same |
| 01/16/2014 | DE112011103619T5 Planierpicke mit ausgebreiteten Flügeln Planierpicke with outstretched wings |
| 01/15/2014 | CN203396458U Oil pointer device for coal mining machine |
| 01/15/2014 | CN103510955A Inner spray waterway structure of development machine |
| 01/15/2014 | CN103510953A Step-tooth excavating method of reciprocating impact excavators, and step-tooth reciprocating impact excavator used for realizing step-tooth excavating method |
| 01/15/2014 | CN102619510B Adjustable jetting support for dust control of comprehensive mechanized excavation surface of mine |
| 01/15/2014 | CN102606153B Fully sealed coal roadway tunneling and anchoring synchronous machine |
| 01/15/2014 | CN102606152B Novel quick digging and anchoring integrated machine for rectangular coal roadway |
| 01/15/2014 | CN102367733B Coal mining machine and support device thereof |
| 01/14/2014 | US8628148 Holder block assembly for a cutting tool having a hydraulic piston and method |
| 01/09/2014 | WO2013068713A3 Mineral cutter pick etc |
| 01/09/2014 | US20140008469 Water sprays for dust control on mining machines |
| 01/08/2014 | CN203383820U Unmanned automatic mining system of working face of coal plough |
| 01/08/2014 | CN203383819U Guide rail for propulsion device of rock drilling equipment |
| 01/08/2014 | CN203383818U Safety coal mine development machine |
| 01/08/2014 | CN203383130U Packing mechanism |
| 01/08/2014 | CN103502572A Self-aligning insert and degradation assembly |
| 01/08/2014 | CN103498678A System and method for monitoring wireless sensor of coal cutter based on vibration energy harvesting |
| 01/08/2014 | CN103498677A Ultrasonic atomization and vibration spinning dust-removing device of heading machine |
| 01/08/2014 | CN103498676A Spraying system in heading machine |
| 01/08/2014 | CN103498675A 刮板输送机及煤炭输送系统 Scraper conveyor and coal conveying system |
| 01/08/2014 | CN103498674A Composite rotary-cut mining machine |
| 01/08/2014 | CN103498672A Crushing-loading-conveying integrated coal mining machine and coal mining method thereof |
| 01/08/2014 | CN102337888B Large-gradient development machine |
| 01/08/2014 | CN101952548B Method for the controlled maintaining of a distance between the roof and the face in longwall mining operations |
| 01/07/2014 | USRE44690 Bit holders and bit blocks for road milling, mining and trenching equipment |
| 01/07/2014 | US8622484 Mounting for a replaceable tool |
| 01/07/2014 | US8622483 Dual slotted holder body for removal tool access |
| 01/07/2014 | US8622482 Bit holder usable in bit blocks having either of a cylindrical or non-locking taper bore |
| 01/07/2014 | US8622479 Mining methods and apparatus |
| 01/03/2014 | WO2014000417A1 Method of reciprocating impact excavation with discharge cavity provided for discharge and reciprocating impact excavator with discharge cavity provided for discharge implementing same |
| 01/01/2014 | EP2678526A2 Self-aligning insert and degradation assembly |
| 01/01/2014 | CN203374280U Hydraulic scraper type rock loading machine with guide arm |
| 01/01/2014 | CN103492673A Cutting bit and bit holder |
| 01/01/2014 | CN103485784A Virtual reality technology based remote control system and remote control method for coal cutter |
| 01/01/2014 | CN103485783A Spraying device for first conveyor of heading machine |
| 01/01/2014 | CN103485782A Dedusting method of fully-mechanized excavating construction for underground coal mine |
| 01/01/2014 | CN103485781A Adjustable coal shoveling plate applied to cutting part of coal mining machine |