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)
01/2014
01/01/2014CN103485780A Insertion board star-wheel driving device in heading machine and application thereof
01/01/2014CN103485779A Protection device for flexible pipeline in driving and bolting machine
01/01/2014CN103485269A Wear resistant cutting tool
01/01/2014CN103481247A Cutting bit with hard cutting tip centering and braze joint control feature
12/2013
12/27/2013WO2013057038A3 Wear protection element
12/26/2013US20130341999 Attack Tool with an Interruption
12/26/2013US20130341995 Guidance system for a mining machine
12/25/2013CN203362162U Ming hydraulic water exploring and stripping integrative machine
12/25/2013CN203362161U Novel electric rock drill
12/25/2013CN103470259A Module-combined plate-type tracking water-spray dust collector for coal cutter in underground mine
12/25/2013CN103470258A Machine head supporting device of reversed loading machine
12/25/2013CN103470257A Drilling type coal winning machine for large-dip-angle coal seams
12/25/2013CN102278113B Automatic cutting control method and system
12/25/2013CA2820357A1 Dynamic dampening of wire rope
12/19/2013WO2013064433A3 Tip for a pick tool, method of making same and pick tool comprising same
12/19/2013US20130334866 Reclaiming drum having reversible kicker paddle
12/18/2013CN203352111U Coal plough and cable channel limiting device thereof
12/18/2013CN203348320U Linear reciprocating and rolling guiding device provided with retainer
12/18/2013CN203347837U Passing beam, passing apparatus and coal mining system
12/18/2013CN203347794U Dust suppression system for cantilever excavator
12/18/2013CN203347793U Pickaxe type cutting pick provided with elastic function structure and hard alloy head with non-circular-arc conical surface
12/18/2013CN203347792U Coal mining machine and guide sliding shoe of coal mining machine
12/18/2013CN203347791U Cutting supporting device for open-off cut of fully-mechanized coal mining surface of sharp inclined coal seam
12/18/2013CN103459771A Conveyor system for continuous surface mining
12/18/2013CN103452557A Heading machine with onboard foam dust collection system
12/18/2013CN103452556A Frequency conversion driving control device of continuous coal miner
12/18/2013CN103452555A Reversely-arranged toothed rail middle groove
12/16/2013DE202010018061U1 Meißel, insbesondere Rundschaftmeißel Chisel, especially round shank chisel
12/12/2013US20130328379 Wear Resistant Cutting Tool
12/12/2013DE102013105348A1 Bohrer mit zentrierung der harten bohrspitze und hartlötverbindungs-steuermerkmal Drill with centering drill tip and the hard-tax hartlötverbindungs ​​feature
12/11/2013CN203335082U Coal recognizing system based on image antisymmetric bi-orthogonal wavelet transform
12/11/2013CN203335081U Efficient cooling mist spraying device in heading machine
12/11/2013CN203335080U Excavation roadway fire extinguisher
12/11/2013CN203335079U Anti-slipping mechanism for coal pick-up manipulator for thin coal seam
12/11/2013CN203335078U Split type guiding skid shoe for coal cutter
12/11/2013CN203335077U Longitudinal shaft type heading machine cutting head protective device
12/11/2013CN203335074U Water-spraying punching-shovel coal mining machine
12/11/2013CN203335072U Multifunctional comprehensive hydraulic drill loader
12/11/2013CN103438875A Continuous mining machine control system for coal mine based on image and data combination
12/11/2013CN103437763A Underground remote control shoveling robot
12/11/2013CN103436880A Preparation method of laser cladding reinforced pick box
12/10/2013US8602503 Cutter assembly configured to allow tool rotation
12/05/2013WO2012136177A8 Wet scrubber having a compact demister that requires reduced energy demand
12/04/2013CN203321520U Novel tunneller blade
12/04/2013CN203321519U Full-automatic belt lane wind current isolation device
12/04/2013CN203321518U Mining heading machine cutting assembly
12/04/2013CN203321517U Cutting bit of coal mine mining machine
12/04/2013CN103422860A Unmanned automatic working face exploitation system of coal plough
12/04/2013CN103422859A Rotatable cutting tool
12/04/2013CN103422858A Sliding shoe anti-abrasion equipment for downhole coal cutter
12/04/2013CN103422856A Supporting and guiding device of walking unit of coal cutter
12/04/2013CN103422418A Cutting bit
12/03/2013US8596725 Full sleeve retainer for step-shank of tool
11/2013
11/28/2013US20130313887 Linepan and longwall mining machine
11/27/2013CN203308501U Coal mine fully mechanized working face dustproof spraying device
11/27/2013CN203308465U Mechanical arm for coal mine
11/27/2013CN203308464U Heightened baffle structure for baffle and triangular inserting plate of scraper loader
11/27/2013CN203308463U Free-of-disassembly lubricated heading machine star wheel driving device
11/27/2013CN203308462U Mining development machine and conveying device connecting device
11/27/2013CN203308461U Anti-seismic fixed connection device for master controller of coal mining machine
11/27/2013CN203308460U Drill loader traveling mechanism for large-gradient roadway excavation
11/27/2013CN103410512A Geological environment information-fused absolute positioning device and method for coal cutter
11/27/2013CN103410511A Conveying mechanism dedicated for mine mining and loading integrated machine
11/27/2013CN103410510A Novel mine threaded chip removal coal cutting pick
11/27/2013CN103410509A Conveniently installed pick box and assemblies thereof
11/27/2013CN102278112B Rail used for travelling of coal mining machine and scraper conveyor
11/26/2013US8593462 Method and system of correlating a measured log to a predicted log
11/26/2013US8590981 Mineral seam detection for surface miner
11/21/2013WO2013170348A1 Mapping of mining excavations
11/21/2013WO2013041564A3 Pick tool assembly, method for making same and method for refurbishing same
11/21/2013US20130307319 Pick tool and method for making same
11/21/2013US20130307318 Chisel Holder And Lower Tool Part For A Chisel Holder
11/21/2013US20130307317 Cutting Bit With Split Wear Ring
11/21/2013US20130307316 Interchangeable Holder System For A Chisel
11/21/2013DE102013105001A1 Körper eines Schneidkopfes, Verschleißring und Schneidkopf mit geteiltem Verschleißring Body of a cutting head, wear ring and cutting head with split ring wear
11/20/2013CN203296773U Long-wall coal mining machine
11/20/2013CN103403295A Holder block assembly for a cutting tool having a hydraulic piston and method
11/20/2013CN103397880A Arm-shovel type material receiving device for excavator and using method thereof
11/14/2013US20130300183 Multi-Faced Cutting Tool
11/14/2013DE102013103890A1 Mehrflächenschneidwerkzeug More surface cutting tool
11/13/2013CN203285476U Spraying device for tracking dust source of coalcutter
11/13/2013CN203285439U Mining coal-cutter dust source tracking and automatic dust-settling device
11/13/2013CN203285438U Underground mine anti-slide device
11/13/2013CN103388476A Method for damage-proof drive part unit and damage-proof drive part unit implementing method
11/13/2013CN103388475A Multilayer-impacting head small-resistance high-efficiency digging apparatus
11/13/2013CN102562066B Method for mechanically mining coal by using steep seam pseudo inclination bracing type retractable flexible shield support
11/12/2013US8579380 Water spray assembly etc
11/07/2013WO2013163729A1 Mineral bits and mounts
11/06/2013CN203273113U Butt joint seal for mist spray water feeding pipes in coal mining machine
11/06/2013CN203271744U Spraying base for heading machine
11/06/2013CN203271743U Scraping-plate type coal mining machine
11/06/2013CN203271742U New-type shipping heading machine
11/06/2013CN203271741U Diamond cutting tooth
11/06/2013CN203271740U Cutting tooth for mining
11/06/2013CN203271739U Support for electric coal drill
11/06/2013CN103382840A Punch-cutting mining method and punch-cutting mining machine implementing method
11/06/2013CN103382839A Method for maintaining vertical impact of impact mechanism and vertical lift punch-cutting mining machine implementing method
11/06/2013CN102392640B Close-range thin coal layer simultaneous mining and parallel transporting method
11/06/2013CN102296954B Wireless remote control communication state detection system of coal mining machine
11/06/2013CN102287185B High-power heavy low seam mining machine
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