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