| 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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| 01/16/2013 | CN102877842A High pressure water flow conveying mechanism of cutting reducer of heading machine |
| 01/16/2013 | CN102877840A Coal mining equipment |
| 01/15/2013 | CA2782920A1 Systems and methods for actively biasing a loadpin |
| 01/10/2013 | WO2013004097A1 Diamond composite tooth |
| 01/10/2013 | US20130009446 Pick Assembly with a Contigous Spinal Region |
| 01/10/2013 | DE102011051684A1 Werkzeughalter sowie Meißelträger und Bohrmeißel für einen Bohrkopf Tool holder and cutter holder and drill bit for a drill head |
| 01/10/2013 | DE102011051584A1 Apparatus for machining and/or supporting e.g. metal material used in e.g. mining industry, has bearing element that is inserted inside receptacle portion and is coaxially screw-connected to fixing element |
| 01/10/2013 | DE102011051525A1 Meißelhalter für eine Bodenbearbeitungsmaschine Tool holders for tillage machine |
| 01/10/2013 | DE102011051523A1 Chisel holder for soil cultivation machine, particularly road milling machine, has supporting body to which plug-in attachment is indirectly or directly connected at plug-in attachment end |
| 01/10/2013 | DE102011051520A1 Bit holder for road milling machine, has support body comprising tilling side, which is turned toward projection and comprises bit retainer, and body surfaces diverging from projection side in direction to tilling side |
| 01/09/2013 | EP2543815A1 Chisel holder and chisel holder system with a chisel holder and a base section |
| 01/09/2013 | EP2543814A1 Chisel holder and chisel holder system with a chisel holder and a base section |
| 01/09/2013 | CN202659888U Oil return preventing device for motor of P-series scraper loader |
| 01/09/2013 | CN202659235U Dust removal type remote control mine drilling machine |
| 01/09/2013 | CN202659234U Tension snap ring for conical picks |
| 01/09/2013 | CN202659233U Oil cylinder protection device of all-in-one machine of drilling, crushing, digging and loading |
| 01/09/2013 | CN102865317A General assembly of clutch of coal mining machine |
| 01/09/2013 | CN102865076A Dust control device and dust control method of fully-mechanized excavation workface |
| 01/09/2013 | CN102865075A Remote monitor method and system for coal cutter |
| 01/09/2013 | CN102865072A Eight-meter large-mining-height coal mining machine |
| 01/09/2013 | CN102861681A Arc fan nozzle used for reducing dust |
| 01/03/2013 | WO2013000798A1 Cutting tip and cutting bit having increased strength and penetration capability |
| 01/03/2013 | US20130002002 Adaptive Advance Drive Control For Milling Machine |
| 01/03/2013 | DE102004044897C5 Befestigung eines Rundschaftmeißels Attaching a round shank chisel |
| 01/03/2013 | CA2840545A1 Extracting mined ore, minerals or other materials using sensor-based sorting |
| 01/03/2013 | CA2834966A1 Cutting tip and cutting bit having increased strength and penetration capability |
| 01/02/2013 | EP2540959A1 Cutting tip and cutting bit having increased strength and penetration capability |
| 01/02/2013 | EP2539541A2 Extraction system for a mineral cutter pick |
| 01/02/2013 | CN202649483U Electric field constraint method mine security type full mechanized excavation machine carried geological structure detection system |
| 01/02/2013 | CN202645616U Tunneling head-on shock wave automatic sprinkling and spraying device |
| 01/02/2013 | CN202645574U Heading machine remote reappearance system |
| 01/02/2013 | CN202645573U Slagging-off machine with dust control and removal function |
| 01/02/2013 | CN202645572U Slagging-off machine with slurry spraying manipulator and dust controlling and removing functions |
| 01/02/2013 | CN202645571U Novel lateral water supply device for electric coal drill |
| 01/02/2013 | CN202645570U Coal blocking frame of belt conveyor coal drop point |
| 01/02/2013 | CN202645569U Short heading machine for mining hole |
| 01/02/2013 | CN202645568U Herringbone residue-mucking system for opening type hard rock heading machine |
| 01/02/2013 | CN202645567U Rolling harrow material tumbling and charging high-efficient loader |
| 01/02/2013 | CN202645566U Rolling harrow-material loader |
| 01/02/2013 | CN202645565U Coal mining machine pick |
| 01/02/2013 | CN202645564U Anti-interference device for cutting part of heading machine |
| 01/02/2013 | CN202645563U Anti-skid apparatus for chain hauled shearer |
| 01/02/2013 | CN202645562U Coal cutter with protection function |
| 01/02/2013 | CN202645559U Adjustable coal cutter track |
| 01/02/2013 | CN202645556U Dust collector for fully-mechanized coal winning machine |
| 01/02/2013 | CN202645555U Fully-sealed coal roadway heading-anchoring synchronizer |
| 01/02/2013 | CN102852544A Comprehensive dustproof technology of fully mechanized excavation face based on dust segregation |
| 01/02/2013 | CN102852521A Automatic height adjusting method for rotary drum of coal mining machine on basis of image identification |
| 01/02/2013 | CN102852520A Self-locking method of excavator cutting tooth cemented carbide bit |
| 01/02/2013 | CN102852519A Guiding piston shoe and coal mining machine |
| 01/02/2013 | CN101915096B Development machine |
| 01/01/2013 | US8342611 Spring loaded pick |
| 12/27/2012 | US20120326488 Bit, In Particular A Round Shaft Bit |
| 12/27/2012 | CA2781349A1 Method and apparatus for generating an indication of an object within an operating ambit of heavy loading equipment |
| 12/27/2012 | CA2744561A1 Method and apparatus for generating an indication of an object within an operating ambit of heavy loading equipment |
| 12/26/2012 | EP2536918A2 Method for determining the position of plant components in mining extracting plants |
| 12/26/2012 | CN202628099U Mining hydraulic onboard wet-type dust remover |
| 12/26/2012 | CN202628098U Two-stage jet flow dust remover applicable to dust environment |
| 12/26/2012 | CN202628097U Coal drawing manipulator for thin seam |
| 12/26/2012 | CN202628096U Comprehensive mechanized road-header self-carrying cable dragging and storing device |
| 12/26/2012 | CN202628095U Combined type base plate for excavation loader |
| 12/26/2012 | CN202628094U Adjustable scraper bucket for scraper bucket rock loading machine |
| 12/26/2012 | CN202628093U Rope supporting mechanism capable of preventing steel wire ropes from drooping for scraper loader |
| 12/26/2012 | CN202628092U Control system for cutting device of driving anchor machine |
| 12/26/2012 | CN202628091U Connection reinforcement device for trough of scraper rock loading machine |
| 12/26/2012 | CN202628090U Warehouse storage type belt transport machine |
| 12/26/2012 | CN102839976A Wear resistant cap and wear resistant cap and base assembly |
| 12/26/2012 | CN102839975A Hardrock tunneling machine |
| 12/26/2012 | CN102839973A Cutting head structure used for heading machine and heading machine |
| 12/26/2012 | CN101883911B Breaking or excavating tool with cemented tungsten carbide insert and ring, material removing machine incorporating such a tool and method of manufacturing such a tool |
| 12/20/2012 | US20120319454 Retainer Sleeve and Washer for Cutting Tool |
| 12/20/2012 | US20120319453 Method for determining the position or location of plant components in mining extracting plants and extracting plant |
| 12/20/2012 | US20120319452 Apparatus and method for mining coal |
| 12/20/2012 | US20120319451 Launch vehicle for a mining system, a mining system and a method for mining |
| 12/19/2012 | CN202613014U Oil dropping pipe for lubricating system of coal mining machine |
| 12/19/2012 | CN202611703U Dust suppress device for heading machine |
| 12/19/2012 | CN202611702U Water mist and foam dust settling device |
| 12/19/2012 | CN202611701U Pneumatic glass-fiber-reinforced-plastic dust removal air blower |
| 12/19/2012 | CN202611700U Shoveling plate assembly of heading machine |
| 12/19/2012 | CN202611699U Sliding rotary device of cutting-head type shortwall large mining height coal mining machine |
| 12/19/2012 | CN202611695U Novel rectangular coal roadway quick driving and bolting all-in-one machine |
| 12/19/2012 | CN202611693U Combined type cantilever heading machine |
| 12/19/2012 | CN102828751A Scraper tooth for scraper loader |
| 12/19/2012 | CN102828750A Cutting pick device and mining machine |
| 12/18/2012 | CA2612983C Arrangement for positioning rock drilling rig on drilling site |
| 12/18/2012 | CA2602838C Mining methods and apparatus |
| 12/13/2012 | WO2012170510A2 Cleaning vehicle, vehicle system and method |
| 12/13/2012 | WO2012135063A3 Tail drive assembly |
| 12/12/2012 | EP2531696A2 Spray nozzle unit |
| 12/12/2012 | CN202598076U Composite solid lubrication latent lubrication friction piece |
| 12/12/2012 | CN202596731U Strip mining machine for mine |
| 12/12/2012 | CN202596730U Latent composite solid lubrication cutting pick assembly of coal mining machine |
| 12/12/2012 | CN202591011U Oil spray machine for cutting teeth |
| 12/12/2012 | CN102822424A Cutting pick, wear and mounting system for mining machine |
| 12/12/2012 | CN102818046A Reducing valve, roadheader water system and roadheader |
| 12/12/2012 | CN102817613A Full-automatic coal mining robot |
| 12/12/2012 | CN102817612A Tapered jet foam sol generating device for controlling coal dust at transferring point of conveyor belt |
| 12/12/2012 | CN102817611A Suspension type tunneling frontal dust removal device |
| 12/12/2012 | CN102817610A Tunneling, anchoring and supporting integrated machine |
| 12/12/2012 | CN102003180B Continuous miner and dust removal device thereof |