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