| Patents for E21C 41 - Methods of underground or surface mining; Layouts therefor (2,789) |
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| 06/23/2010 | CN101749017A Outburst prevention technique for multiple heading in coal mine |
| 06/23/2010 | CN101749016A Ecological sealing slurry flame retardation and vegetation recovery technology for coal gangue hill |
| 06/17/2010 | WO2010065992A1 A method of mining ore |
| 06/17/2010 | US20100148567 Temporary power equipment transport system for moving mining equipment and method of use |
| 06/17/2010 | CA2745985A1 A method of mining ore |
| 06/16/2010 | CN101738147A Method for dyeing interface of bursting body |
| 06/16/2010 | CN101737068A Method for substituting reconstructed gangue bearing body for roadway protection coal post |
| 06/16/2010 | CN101737053A Natural caving method suitable for slowly-inclined thick and large ore bodies |
| 06/16/2010 | CN101737052A Sublevel fill-mining method |
| 06/16/2010 | CN101737051A Covering layer forming method of blind ore bodies |
| 06/16/2010 | CN101737050A Deep hole arranging method in mining |
| 06/16/2010 | CN101737049A Multi-working face circulating development driving production organization method |
| 06/16/2010 | CN101737048A Remote control monitoring coal mining method |
| 06/16/2010 | CN101737047A Method for mining coal of steeply inclined thin seam |
| 06/15/2010 | US7735935 In situ thermal processing of an oil shale formation containing carbonate minerals |
| 06/10/2010 | US20100141013 Coal burning methods & apparatus |
| 06/10/2010 | US20100141012 Method of quarrying dimensional stone, and line drilling apparatus |
| 06/09/2010 | CN101725353A Uranium mine exploration residual facility management and vegetation recovery method in high-cold high-altitude regions |
| 06/09/2010 | CN101725352A Method for filling solid and fully mechanizing and recovering room type coal pillar |
| 06/09/2010 | CN101725351A Filling stope pillar recovery mining method |
| 06/09/2010 | CN101725350A Footwall vein rock drilling vein-passing access road ore removal stope caving method |
| 06/09/2010 | CN101725349A Method for arranging one-well multi-branch ore pass well |
| 06/09/2010 | CN101725348A Pre-control roof open stoping spallation subsequent filling mining method |
| 06/03/2010 | WO2010061274A1 Continuous mining |
| 06/03/2010 | CA2745066A1 Continuous mining |
| 06/02/2010 | CN101718197A Mineral vein inner advancing direct-route shallow-hole shrinkage mining method |
| 06/02/2010 | CN101718196A Method for exploiting soft and broken ore body |
| 06/02/2010 | CN101715692A Method for carrying out mine revegetation by environmental-friendly grass mat |
| 06/02/2010 | CN101368482B Novel technique of slight-pitch ore body overall mining method |
| 05/26/2010 | EP2188220A1 Method of raising the ph of acidic bodies of water |
| 05/26/2010 | CN101713291A Filling-reclaiming method for building land in coal mining subsidence areas |
| 05/26/2010 | CN101713290A Method for clearing rock burst of full-mine laneway deep in mine |
| 05/26/2010 | CN101277863B Method of driving plurality of mine vehicles in mine, and transport system |
| 05/26/2010 | CN101220745B Method for using poly-sodium acrylate as anti-caking agent of vulcanizing ore |
| 05/19/2010 | CN101709645A Method for locally taking soil to reclaim mining subsidence areas of thick coal seams of mining areas |
| 05/19/2010 | CN101709644A Comprehensive mechanical coal mining complete equipment and protection system thereof |
| 05/19/2010 | CN101105129B Mining environment reconstructed continuous mining afterwards filling mining method |
| 05/19/2010 | CN101070759B Thin-base-rock shallow coal-layer water-retaining production suitable-condition classification method |
| 05/14/2010 | WO2010051673A1 A multi-functional underground dinting machine |
| 05/12/2010 | CN201460899U Protective isolation structure for preventing spontaneous combustion coal gangue dump from generating chimney effect |
| 05/12/2010 | CN101705821A Method for controlling roof caving under condition of hardroof in coal mining |
| 05/06/2010 | US20100109417 Automated Excavation Machine |
| 05/06/2010 | DE112006002025B4 Startwagen für eine Bohrvorrichtung Trolley for a drilling |
| 05/05/2010 | CN201448111U Wear-resistant steel winze |
| 04/30/2010 | CA2643292A1 Apparatus and process for wet crushing oil sand |
| 04/28/2010 | CN201443403U Hydraulic control ore drawing device |
| 04/28/2010 | CN1563664B Well of coal-bed gas |
| 04/22/2010 | WO2010042994A1 A method of sorting mined, to be mined or stockpiled material to achieve an upgraded material with improved economic value |
| 04/22/2010 | CA2740630A1 A method of sorting mined, to be mined or stockpiled material to achieve an upgraded material with improved economic value |
| 04/21/2010 | CN101201004B Coal mining method |
| 04/21/2010 | CA2683357A1 Method, system and apparatus for monitoring loading of a payload into a load carrying container |
| 04/15/2010 | US20100090516 Method for sub-glacial mineral reconnaissance and recovery |
| 04/13/2010 | US7695071 Automated excavation machine |
| 04/13/2010 | CA2559833C Method for the in place recovery of heavy oil from a subterranean deposit |
| 04/08/2010 | WO2010037215A1 Method and apparatus for processing a sized ore feed |
| 03/31/2010 | CN201433769Y Laser rapid imaging instrument |
| 03/30/2010 | US7686401 Method for sub-glacial mineral reconnaissance and recovery |
| 03/25/2010 | WO2010031501A1 Longwall equipment having a cutter loader guided on the longwall conveyor in a height adjustable manner |
| 03/24/2010 | CN201428457Y Diamond string bead wire cutting machine |
| 03/18/2010 | US20100066153 Methods for constructing underground borehole configurations and related solution mining methods |
| 03/18/2010 | CA2680566A1 Vibratory milling machine having linear reciprocating motion |
| 03/17/2010 | CN201424959Y Diphead type centralized waste filling system |
| 03/17/2010 | CN101672198A Method for forming artificial ore pillar and corresponding mining method |
| 03/17/2010 | CN101672180A New uranium mining method-plant uranium mining method |
| 03/10/2010 | CN101666230A Coal mining method of lengthened front-beam fully-mechanized mining and fully-mechanized top coal carving of three-soft coal seam and equipment |
| 03/03/2010 | CN101660412A Reconstruction method of soil in surface layer of open-pit mining waste dump |
| 03/03/2010 | CN101660411A Quantitative evaluation method for coal-bed top-plate water burst (inrush) conditions |
| 03/03/2010 | CN101660410A Long wall alternate type coal mining method |
| 03/02/2010 | US7669937 Continuous extraction of underground narrow-vein metal-bearing deposits by thermal rock fragmentation |
| 02/18/2010 | WO2010017582A1 Mining system |
| 02/18/2010 | WO2010017581A1 Mining system |
| 02/18/2010 | DE202009001841U1 Splitterschutz für Steinbruchbagger, Arbeiten mit Hydraulikhämmern und Abbruchbetrieb Splinter protection for stone pit digger, working with hydraulic hammers and demolition operation |
| 02/18/2010 | CA2733640A1 Mining system |
| 02/18/2010 | CA2733639A1 Mining system |
| 02/17/2010 | CN201407183Y Dedicated long-axis submerged bittern transfer pump |
| 02/17/2010 | CN101649741A Laneway disposed by using large U to sleeve small u |
| 02/17/2010 | CN101649740A Ground bored well body structure for gas extraction |
| 02/17/2010 | CN100590295C Three step type stope technique for thick coal seam overall height mining |
| 02/17/2010 | CN100590294C Waste filling thin coal seam tunnelling method |
| 02/10/2010 | CN101644158A Heap storage method for preventing spontaneous combustion of coal gangue hill |
| 02/10/2010 | CN101644157A Space-time conversion exploitation method for high and steep rock slope stock ground near river |
| 01/28/2010 | US20100019562 Non-Motorized Gold Mining Apparatus |
| 01/27/2010 | CN101634228A Self-falling self-producing coal-mining method suitable for coal bed at inclined angle over 45 degrees |
| 01/27/2010 | CN101634227A Flat-bottomed trench shallow hole shrinkage method |
| 01/13/2010 | CN201381873Y Negative pressure deslagging filtering drainage device and extracting device |
| 01/13/2010 | CN100580219C Underground no pillar recovery method of coal mine |
| 01/07/2010 | US20100001574 Method and apparatus for the milling cutting of materials |
| 12/31/2009 | US20090322142 Rock sampling apparatus |
| 12/30/2009 | CN100575664C Walking and bridging inner transport passage for open cast coal mine |
| 12/24/2009 | US20090316530 Bi-directional seismic communication system and method |
| 12/24/2009 | US20090315388 Mining method for co-extraction of non-combustible ore and mine methane |
| 12/10/2009 | US20090306942 System and Method(s) of Mine Planning, Design and Processing |
| 12/09/2009 | CN201358788Y Expansion cracking device |
| 12/09/2009 | CN101598031A Mining method featuring backfilling waste rocks in situ and increasing ore recovery ratio |
| 12/09/2009 | CN101598021A Exploration method for pressure bearing stored bitter and solid salts in saline |
| 12/09/2009 | CN101598020A Energy-saving and heat-preserving novel technology for exploring bittern by natural flow |
| 12/09/2009 | CN101598019A System for automatically controlling coal-gangue boundary based on terahertz wave |
| 12/09/2009 | CN101598009A Crystallization prevention control device for high temperature brine |
| 12/09/2009 | CN100567703C Comprehensive coal-mining process by using long wall mining method |
| 12/09/2009 | CN100567702C Method for determining caving step-distance in non-base column sectional ore-caving mining method |