Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21C - Mining or quarrying › E21C 27 - Machines which completely free the mineral from the seam
Patents for E21C 27 - Machines which completely free the mineral from the seam (1,602)
07/2013
07/31/2013CA2804306A1 Hoist rope guide
07/31/2013CA2804206A1 Shovel with pivoting bucket
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
07/25/2013US20130187436 Coal caving cycle
07/24/2013CN203081440U Walking type coaxial coal mining machine
07/24/2013CN103216227A Boring machine with reciprocating direct-impact effect
07/17/2013CN203066963U Open-air drilling coal cutter
07/10/2013CN103195422A Water-spray punching shovel coal cutter
07/10/2013CN103195421A Reciprocating impact tunnel boring machine
07/10/2013CN101910558B Advancing machine
07/02/2013CA2705842C Heading machine
07/01/2013DE202012101169U1 Gewinnungshobel Mining plow
06/2013
06/27/2013WO2012156884A3 Mining installation for extracting seam-type or mass-deposit mineral materials, and mining machine for the same
06/19/2013CN103161462A Method and excavating impulsion shovel used for simultaneously achieving coal breaking and surface cleaning with one time of impulsion
06/12/2013CN202991030U Downhole operation trolley
06/11/2013US8459749 Roof cutter holder adjustment device and securing element therefor
06/06/2013WO2012156843A3 Mobile mining machine and method for driving tunnels, roadways or shafts, in particular in hard rock
06/06/2013WO2012156842A3 Apparatus for the milling cutting of rock, minerals or other materials
06/06/2013WO2012156841A3 Apparatus for the milling cutting of rock, minerals or other materials
06/05/2013CN101889127B 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
05/2013
05/29/2013CN202954814U Shaping tool for coal planer
05/23/2013WO2012058701A3 Tunneling machine
05/22/2013CN202946154U Coal plough and skylight groove thereof
05/22/2013CN103114852A Novel mining hydraulic excavator
05/22/2013CN101910557B Heading machine
05/15/2013CN103104256A Coal planer and plane head thereof as well as asymmetrical coal plough method
05/10/2013WO2013063868A1 Method for impact-cutting mining and impact-cutting miner carrying out the method
05/08/2013CN103089260A Pounding and shoveling coal cutter crushing mechanism
05/08/2013CN103089259A Bidirectional pounding and cutting excavating method and bidirectional pounding and cutting excavator for implementing same
05/08/2013CN103089257A Water jet mining machine
05/08/2013CN103089256A Water cutting falling coal mining method and water cutting falling coal mining machine
05/02/2013WO2013033979A3 Rolling friction impact digging method and rolling friction impact digging machine using said method
05/02/2013US20130106167 Compact Roadheader
05/01/2013CN103075153A Open-air drilling coal cutter
04/2013
04/17/2013CN202882912U Chain pressing device and coal plough
04/16/2013CA2561803C Mining apparatus with precision navigation system
04/04/2013WO2013048974A1 Device machining materials by milling or drilling, and method therefor
04/04/2013WO2013048306A1 Device and method for driving tunnels, galleries or the like
04/04/2013CA2850058A1 Device and method for driving tunnels, galleries or the like
04/04/2013CA2849967A1 Device for machining materials by milling or drilling, and method therefor
04/03/2013CN103016002A Planing cutter for coal plough
04/03/2013CN103016001A Impact crushing hammer of emulsified liquid
03/2013
03/27/2013CN202832548U Detecting and controlling system and coal mining equipment
03/27/2013CN102108863B Coal plough rack assembly
03/27/2013CN102080542B Manganese nodule collecting shovel
03/20/2013CN102979522A Planer cutter and coal planer
03/14/2013WO2013033979A2 Rolling friction impact digging method and rolling friction impact digging machine using said method
03/13/2013CN202788841U Breaking hammer for hydraulic press
03/06/2013CN202772537U Cable trough and coal plough provided with cable trough
02/2013
02/28/2013US20130049437 Mining system and apparatus
02/26/2013CA2534439C Geosteering detectors for boring-type continuous miners
02/20/2013CN202745870U Mining nibbling shovel
02/20/2013CN202745869U Efficient block mining machine
02/20/2013CN202745868U Boring machine with reciprocating direct-impact effect
02/20/2013CN202745867U Coal mining machine with water-jet cutter
02/13/2013CN102926750A Multi-arm breaking excavation-type heading machine
02/13/2013CN101874146B Carriage for a recovery plough
02/11/2013DE202011051897U1 Schlauch zur Führung von Fluiden Hose for conducting fluids
02/07/2013WO2013020068A1 Stabilization system for a mining machine
01/2013
01/30/2013CN102900435A Coal plough
01/23/2013CN202690049U Overhand mining and external haulage planing and transporting machine for steep coal seams
01/23/2013CN202690048U Milling-digging all-in-one machine for coal mines
01/23/2013CN202690047U Drill rod of breaking hammer
01/23/2013CN102888810A Self-propelled surface milling cutter
01/02/2013CN202645558U Crawler-type single-head drilling rig coal cutter
01/02/2013CN102852084A Air pick
12/2012
12/27/2012WO2012174923A1 Hard rock tunneling machine
12/26/2012CN101883911B 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
12/19/2012CN202611696U Thin seam mining face unmanned chain coal planer
12/19/2012CN202611693U Combined type cantilever heading machine
12/19/2012CN102828749A Swing rod transmission direct-impact coal shoveling machine
12/19/2012CN102828748A Swing rod link direct-impact coal shoveling machine
12/12/2012CN202596731U Strip mining machine for mine
12/12/2012CN202596729U Split-type drill rod
12/06/2012DE112011100555T5 Gelenkbefestigung für einen Vorabscheider A pivot mounting for a pre-separator
12/05/2012EP2529081A1 Method and device for working rock
12/05/2012CN202578685U Coal plough and plough head adjusting system thereof
12/05/2012CN202578684U Plough head for coal plough and coal plough
12/05/2012CN202578683U Five-bit air-inlet and outlet drill-type coal-mining machine
12/05/2012CN102168558B Self-walking lifting full-hydraulic auger coal mining machine
12/05/2012CN101663461B Rock sampling apparatus
11/2012
11/28/2012CN102797461A Method and system for monitoring the operation of cable shovel machine
11/22/2012CA2835295A1 Mobile mining machine and method for driving tunnels, roadways or shafts, in particular in hard rock
11/22/2012CA2835292A1 Apparatus for the milling cutting of rock, minerals or other materials
11/22/2012CA2835183A1 Apparatus for the milling cutting of rock, minerals or other materials
11/22/2012CA2835172A1 Mining installation for extracting seam-type or mass-deposit mineral materials, and mining machine for the same
11/21/2012CN102791960A Articulated pre-skimmer mount
11/14/2012CN202531165U Digging-loading and breaking device
11/07/2012CN202520311U Coal mining machine with vibrating shovel
11/07/2012CN102770621A Launch vehicle for a mining system, a mining system and a method for mining
10/2012
10/24/2012CN101737050B Deep hole arranging method in mining
10/18/2012WO2012061855A3 Tunnelling machine
10/17/2012CN102733804A Impact-promoting retractable arm
10/17/2012CN102733803A Compound cantilever excavator
10/17/2012CN102733296A Drum housing for a working drum of a construction machine or mining machine, as well as method for monitoring the condition of a working drum of a construction machine or mining machine
10/14/2012CA2774743A1 Snubber for shovel dipper
10/10/2012CN202483570U Oscillating bar transmission linear-impact type coal shovel
10/10/2012CN202483569U Crushing mechanism of punching shovel coal mining machine
10/10/2012CN102725480A Method and device for working rock
10/04/2012WO2012129593A1 Rock cutting equipment
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