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)
09/2013
09/11/2013CN103291348A Fully mechanized coal mining face dust overrunning automatic dust suppression method
09/11/2013CN103291299A Coal mining machine and inner spraying device thereof
09/11/2013CN103291298A Dust fall system for cantilever type heading machine
09/11/2013CN103291297A Drill loader and loading and transporting device thereof
09/11/2013CN103291296A Armored surface conveyor
09/11/2013CN103291295A Method for preventing reciprocating impact wear by roller and reciprocating impact excavator's wearproof roller
09/11/2013CN103291294A Excavator suspension wear resistance method and excavator wear resistance device for implementing it
09/11/2013CN103291291A Rolling friction or suspension friction impact excavating method and antiabrasion impact excavator for implementing the same
09/11/2013CN103290770A Chisel holder
09/10/2013US8528990 Cutter with diamond bit tip
09/05/2013DE102012101719A1 Meißelhalter Toolholder
09/04/2013CN203176022U Oil tank oiling device for heading machine
09/04/2013CN203175600U Mechanical type remote mist spraying and dust removing device of full-automatic spray pipe under mine shaft
09/04/2013CN203175562U Integrated excavator
09/04/2013CN203175561U Heading machine cutting head with dust collecting mechanism
09/04/2013CN203175560U First conveyor of heading machine
09/04/2013CN203175559U Secondary conveying turntable mechanism of heading machine
09/04/2013CN203175558U Torque protection mechanism of continuous miner cutting speed reducer
09/04/2013CN203175557U Carrier roller for heading machine
09/04/2013CN203175556U Rear supporting mechanism of continuous miner
09/04/2013CN203175555U Cutting unit of heading machine
09/04/2013CN203175554U Coal mine tunneling machine with safety device
09/04/2013CN103277101A Hard-rock tunnel mining machine for coal mine
09/04/2013CN103277100A Scratch board-type coal mining machine
09/04/2013CN103277099A Heading machine and second conveyor connecting structure thereof
09/04/2013CN103277098A Articulated-type sliding shoe structure for plough head of coal planer
09/04/2013CN103277096A Coal plough and connection device thereof
09/03/2013US8523290 Rotatable cutting tool-tool holder-base assembly
09/03/2013US8523289 Retention assembly for cutting bit
09/03/2013US8523287 Guidance system for a mining machine
08/2013
08/29/2013DE112011103552T5 Schneidspitze mit verringertem Volumen und dieselbe umfassender Schneideinsatz Cutting tip with reduced volume and the same comprehensive cutting insert
08/28/2013CN203161218U Anti-collision bracket of mining scraper machine
08/28/2013CN203161093U Rotary type cutting tooth, rotary excavating drilling tool and rotary excavating rig
08/28/2013CN103270245A Guidance system for a mining machine
08/28/2013CN103267188A Butt seal structure for spray water supply pipe in coal mining machine
08/28/2013CN103266892A Continuous coal cutter
08/28/2013CN103266890A Heading machine cutting head and heading machine
08/28/2013CN101631729B Conveyor machine having pivot connector comprising curved track and rollers engaging track
08/27/2013US8517473 Road grading pick with washer
08/27/2013CA2802731A1 Apparatus and method for drive path search
08/27/2013CA2632548C A liner component for use in mining and quarrying industries
08/22/2013WO2013120807A1 Pick tool and method of using same
08/22/2013WO2012155163A3 Arrangement for fixing a cutter
08/21/2013CN203145947U Inner and outer atomizing water supplying system of heading machine
08/21/2013CN203145946U Scraper loader with improved structure
08/21/2013CN203145945U Self-moving tail device for belt
08/21/2013CN203145944U Micro-metallurgy-cladding reinforced cutting tooth
08/21/2013CN203145943U Micro-metallurgical reinforced sparkless cutting tooth
08/21/2013CN203145942U Water distribution disc for atomizing system of heading machine
08/21/2013CN203145941U Water distribution device of cantilever section of cutting motor
08/21/2013CN203145940U Waster circulating system for washing and testing coal mining machine
08/21/2013CN203145939U Heading machine rotary table fixing structure
08/21/2013CN103256070A Automatic control device for spray dust collection device
08/21/2013CN102606674B Damping device and engineering mechanical equipment
08/21/2013CN102191496B Material of guide sliding shoe of coal-winning machine and preparation method of material
08/20/2013US8511757 Core breaker for a mining machine
08/15/2013WO2013116890A1 Method of assessing dust controls in mining
08/15/2013US20130207445 Metal Matrix Composite Mining Pick and Method of Making
08/15/2013US20130207444 Cutting tool holding device
08/15/2013US20130207443 Armored face conveyor
08/14/2013EP2626508A2 Cutting tool holding device
08/14/2013CN203130084U Running mechanism of thin seam coal shearer
08/14/2013CN103249911A Connecting device for a trough pan of extraction devices, trough pan and attachment therefor
08/14/2013CN103249910A Face conveyor for extraction plants and trough element for said face conveyor
08/14/2013CN103244120A Dynamic speed control system of coal mining machine for coal mine high-gas fully mechanized coal mining face
08/14/2013CN103244119A Distribution method and distribution structure of high-pressure water jet in heading machine cutterhead
08/14/2013CN103244118A Telescopic load and transport mechanism for mining machine
08/14/2013CN102296953B Rear stable tail wagging mechanism of excavator
08/14/2013CN101255795B Reversible cutting tool with shield
08/13/2013US8506019 Block and sleeve with rotation-inhibiting feature
08/13/2013US8506017 Loading arm with wear resistant end, mining equipment using the arm, and method of use
08/13/2013CA2584056C Boom arrangement for a scaling device and scaling device
08/08/2013WO2013113062A1 Cutting tool for a mining machine
08/08/2013US20130199693 Wear part
08/07/2013CN203120334U Coal cutter intrinsically-safe-type end control station
08/07/2013CN203114318U Operating handle locking device of fully-mechanized coal mining machine
08/07/2013CN203114290U Intrinsic safe type wireless remote control device for coal mining machine
08/07/2013CN203114289U Remote monitoring and controlling system for electrical haulage shearer
08/07/2013CN203114288U Monitoring device with heading machine
08/07/2013CN203114287U Chainless traction and braking device for thin seam coal mining machine
08/07/2013CN103233737A Fully-mechanized excavating machine
08/07/2013CN103233736A Conical pick with non-arc conical surface carbide tip and elasticity function structure
08/07/2013CN103233735A Coal-rock interface recognition handheld system
08/07/2013CN103233732A Remote control and integration online monitoring intelligent cantilever excavator
08/07/2013CN102345459B Cutting mechanism for heading machine
08/06/2013US8500210 Resilient pick shank
08/06/2013US8500209 Manually rotatable tool
08/01/2013WO2013112188A2 Pick assembly with a contiguous spinal region
08/01/2013US20130197820 Method For Determining The Wear State
07/2013
07/31/2013CN203098813U Low seam coal mining machine rocker arm cooler and cooling system
07/31/2013CN203097895U Shovel board of boring machine
07/31/2013CN203097894U Anti-impact cone-shaped cutting tooth
07/31/2013CN203093734U Novel excavating type loader
07/31/2013CN103228847A System and method for controlling a machine at a worksite
07/31/2013CN102296956B High efficient dedusting system with air channel arranged in central part of heading machine
07/31/2013CA2804039A1 System and method for determining saddle block shimming gap of an industrial machine
07/31/2013CA2804015A1 System and method for limiting secondary tipping moment of an industrial machine
07/30/2013CA2804075A1 System and method for remote monitoring of drilling equipment
07/25/2013US20130187438 Pick with Hardened Core Assembly
07/25/2013US20130187437 Mining Machine, In Particular Surface Miner, As Well As Method For The Removal And Installation Of A Transport Device In A Mining Machine
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