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