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)
11/2013
11/06/2013CN102257243B Method for adjusting an automatic level control of the plane in planing operations in hard coal mining
11/06/2013CN102132007B Cutting tool with water injection to cutting bit shank
11/06/2013CN102121382B Composite rotary cutting mining machine
11/05/2013US8573707 Retainer sleeve and washer for cutting tool
11/05/2013US8573706 Cutting tool with nozzle for spraying water on a cutter bit
11/05/2013US8573705 Mining apparatus with precision navigation system
11/03/2013CA2810330A1 Working tools with wear resistant working surfaces for agricultural implements and other applications
10/2013
10/30/2013CN203257421U Vehicle-mounted rock drilling machine
10/30/2013CN203257420U CANOPEN control system of coal mining machine
10/30/2013CN203257419U Linkage spraying system of gangue raking machine
10/30/2013CN203257418U Single-cogged-rack scraper conveyer used for exploiting thin coal seam
10/30/2013CN203257417U Hinging type skid shoe structure for plough head of coal plough
10/30/2013CN203257416U Reversible cable handler
10/30/2013CN203255895U Telescopic boom convenient for replacement of slide blocks
10/30/2013CN103375168A High-efficiency cutting tooth
10/30/2013CN102438131B Coal cutting visualization device of coal mining machine
10/29/2013US8567871 Method for automatically creating a defined face opening in longwall mining operations
10/29/2013US8567870 Method for the controlled maintaining of a distance between the top canopy and the coal face in longwall mining operations
10/29/2013CA2706629C Method, system and media for wireless process control of mobile equipment
10/23/2013EP2652267A1 Holder block assembly for a cutting tool having a hydraulic piston and method
10/23/2013CN203248159U Tunneling machine and shovel plate part thereof
10/23/2013CN203248158U Sliding down prevention device for coal cutter
10/23/2013CN203248157U Positioning and connecting device of split-type coal cutter body
10/23/2013CN203248156U Seat module, cab module and cab modular unit used for industrial machine
10/23/2013CN103362507A Method for improving memory cutting execution precision of coal mining machine
10/23/2013CN102278111B Development machine and star wheel driving device thereof
10/22/2013US8562079 Road planing tool
10/22/2013US8562077 Method of setting an automatic level control of the plow in plowing operations of coal mining
10/22/2013CA2603422C Method for manufacturing a cutting pick
10/17/2013WO2013098020A3 Radial and conical tools with compression band retainer
10/17/2013WO2013004583A3 Chisel holder for a soil treatment machine
10/17/2013US20130270891 Chisel Holder
10/17/2013US20130270890 Sensored Pick Assembly
10/16/2013EP2649276A2 Face conveyor for extraction plants and trough element for said face conveyor
10/16/2013CN203239936U Electrohydraulic-control automatic water spraying valve
10/16/2013CN203239349U Mining pickax-shaped cutter with wear-resistant protective ring
10/16/2013CN203239348U Novel cutting pick of coal cutter
10/16/2013CN203239347U Fastening device for cutter of coal planer
10/16/2013CN103352712A Locking device for operating handle of fully mechanized mining machine
10/16/2013CN103352697A Method for guiding multi-point support of reciprocating impactor, and apparatus for guiding multi-point support of reciprocating impactor through enforcing it
10/16/2013CN102052080B Mechanical drive dual-disc development device for development machine
10/10/2013WO2013112188A3 Pick assembly with a contiguous spinal region
10/09/2013EP2646653A2 Chisel holder
10/09/2013EP2646652A2 Chisel holder
10/09/2013EP2646651A2 Chisel holder and lower tool part for a chisel holder
10/09/2013EP2646626A1 Use of a wear-resistant steel component especially as the plow of a construction machine
10/09/2013CN203230424U Automatic spraying and aspirating device for transfer point of integrated excavator, integrated excavator and spray nozzle
10/09/2013CN203230423U Hydraulic crawler belt mucking machine
10/09/2013CN203230422U Hard alloy coal cutting tooth for coal mining machinery
10/09/2013CN203230421U Auto-rotating wing coal cutting pick
10/09/2013CN203230420U Hard alloy head of auto-rotating wing coal cutting pick
10/09/2013CN203230419U Protection device for coal mining machine
10/08/2013US8550569 Shank chisel
10/03/2013US20130257137 Launch vehicle for a mining system, a mining system and a method for mining
10/03/2013CA2811622A1 Counterweight system for an industrial machine
10/02/2013CN203223221U Shovel plate for heading machine
10/02/2013CN203223220U Coal-gangue adapter bracket
10/02/2013CN203223219U Arch operation platform device suitable for heading machine
10/02/2013CN103334753A System and method for remote and visual coal mining flow supervision of coal mine underground working face
10/02/2013CN103334752A Duplex pickaxe type cutting tooth holder of drum shearer
10/02/2013CN103334751A Protection device for coal cutter cable
10/02/2013CA2810879A1 Boom and dipper handle assembly for an industrial machine
09/2013
09/29/2013CA2810581A1 Collision detection and mitigation systems and methods for a shovel
09/26/2013WO2013139334A2 Height control system for a coal plough installation and coal plough installation
09/26/2013DE102012102511A1 Charcoal extracting plant used in coal mining industry, has increase profile whose upper edge is projected beyond upper edge of side profile, and loading ramp that is formed by arrangement of bits at leading and trailing gumption shoes
09/25/2013CN203214064U Fully-mechanized road header and on-board spraying device thereof
09/25/2013CN203214063U High-pressure water mist heading machine dust fall device
09/25/2013CN203214062U Portable loader
09/25/2013CN203214061U Knife rest for ground processing machine, supporting element and ground processing machine
09/25/2013CN203214058U Bidirectional punching mining machine
09/25/2013CN203214057U Bidirectional lump coal impact-cutting machine
09/25/2013CN203214056U Vertical lift lump coal cutting machine
09/25/2013CN103321639A Guide rail for rock drilling equipment thruster
09/25/2013CN102352750B Heading machine and star wheel external-teeth driving device for heading machine
09/25/2013CN102155221B Guide rail for rock drilling device and rock drilling device
09/24/2013US8540320 Slotted shank bit holder
09/19/2013US20130241266 Chisel Holder
09/19/2013US20130241265 Chisel holder, and chisel holder system comprising a chisel holder and a base part
09/19/2013US20130241264 Chisel holder, and chisel holder system comprising a chisel holder and a base part
09/18/2013EP2639402A2 Round shaft bit with a retaining sleeve
09/18/2013CN203201557U Toothed rail pin for scraper
09/18/2013CN203201556U Cable towing device of low seam mining machinery
09/18/2013CN203201555U Coal mining machine counterpart bolt locking device
09/18/2013CN203201554U Mobile platform for efficient-type multifunctional excavating loader with hole-drilling and rock-drilling functions
09/18/2013CN203201553U High pressure water pump device of coal mine heading machine
09/18/2013CN203201552U Crank device of small-scale underground coal mining machine
09/18/2013CN203201551U Support device of small-scale underground coal mining machine
09/18/2013CN203200806U Conveying mechanism for high-efficiency multifunctional loader-digger with boring and rock drilling functions and loader-digger
09/18/2013CN203200802U High-efficiency multifunctional loader-digger with boring and rock drilling functions
09/18/2013CN102364053B Heading-anchoring machine
09/17/2013US8534767 Manually rotatable tool
09/17/2013US8534766 Indexable cutting tool system
09/17/2013CA2638857C Reduced volume cutting tip and cutter bit assembly incorporating same
09/16/2013DE202013006377U1 Meißel für Schrämrad bzw. Schrämwalze Chisel for Schrämrad or cutting drum
09/12/2013WO2013134175A1 Spad setting tool
09/12/2013CA2808899A1 Battery tray cover for underground mining equipment
09/11/2013CN203189668U Duplex toothed rail wheel set used for coal mining machine
09/11/2013CN203189018U Gangue raking machine guide wheel with protective cover
09/11/2013CN203189014U Vertical shearer with large inclination angle
09/11/2013CN1961134B Mining apparatus with precision navigation system
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