| Patents for E21C 37 - Other methods or devices for dislodging with or without loading (1,249) |
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| 02/17/2015 | US8955916 Use of post-blast markers in the mining of mineral deposits |
| 02/04/2015 | CN204140075U 硬质合金镐 Carbide-ho |
| 01/07/2015 | CN204082151U 自收纳式液压劈裂设备 Self-storage hydraulic fracturing equipment |
| 01/07/2015 | CN204082150U 分裂机 Splitting machine |
| 01/07/2015 | CN104265290A 煤矿用铁锹 Coal shovel |
| 12/31/2014 | CN102352751B 撬毛石机 Pry rubble machine |
| 12/24/2014 | CN204041075U 液压劈裂枪 Hydraulic fracturing gun |
| 12/24/2014 | CN204041074U 免爆破液压劈裂设备 Free blasting hydraulic fracturing equipment |
| 12/18/2014 | US20140367502 Virtual electrode mineral particle disintegrator |
| 11/11/2014 | US8882204 Apparatus and method for mining coal |
| 10/28/2014 | US8869915 Systems and methods for sonic subsurface material removal |
| 10/14/2014 | US8857915 Scanning system for 3D mineralogy modelling |
| 09/25/2014 | WO2014149114A2 High power laser tunneling mining and construction equipment and methods of use |
| 08/21/2014 | US20140231398 High power laser tunneling mining and construction equipment and methods of use |
| 08/13/2014 | CN203769781U 一种用于煤矿的二氧化碳震裂装置 Carbon dioxide for mine shattered device |
| 08/06/2014 | CN103967491A 液压式岩石破碎枪 Hydraulic rock crushing gun |
| 07/30/2014 | CN103953342A 一种用于煤矿的改进二氧化碳震裂装置及组装方法 Apparatus and method for assembling carbon dioxide for improved mine shattered |
| 07/30/2014 | CN103953339A 一种块煤开采用采煤机及煤层开采方法 One kind of lump coal and coal seam open method using shearer |
| 07/23/2014 | CN103939101A 一种块煤开采方法 One kind of lump coal mining methods |
| 07/16/2014 | CN203716973U 一种中小型矿井用撬毛机 One kind of small and medium sized mines with a pry hair dryer |
| 07/02/2014 | EP2747946A1 Tool for breaking hammer, breaking hammer, and use thereof |
| 07/02/2014 | CN203685284U 井下煤仓导通装置 Bunker conduction device |
| 07/02/2014 | CN203685187U 定向CO<sub>2</sub>空气炮装置 Directional CO <sub> 2 </ sub> air gun device |
| 07/02/2014 | CN103899311A 一种用于煤矿的二氧化碳震裂装置及制作方法 An apparatus and method of making carbon dioxide for mine shattered |
| 07/02/2014 | CN103899310A 一种用于矿井下的煤层震裂系统及方法 A coal mine shattered system and method for under |
| 06/25/2014 | CN203672647U 煤层采样机 Seam Sampler |
| 06/18/2014 | CN203655296U 一种超高压防漏液压岩石分裂机 EHV leak hydraulic rock splitter |
| 06/18/2014 | CN203655295U 大剂量CO<sub>2</sub>空气炮装置 Large doses of CO <sub> 2 </ sub> air gun device |
| 06/04/2014 | CN103835721A Coal mine chiseling head heating device |
| 06/04/2014 | CN103835720A Hard rock crushing system |
| 05/21/2014 | CN103813886A 用于破碎锤的工具、破碎锤及其用途 Tools for crushing hammer, hammer and uses |
| 05/20/2014 | US8728429 Production of conductive nanodiamond by dynamic synthesis approaches |
| 05/20/2014 | CA2795075C Surface blasting product |
| 04/24/2014 | WO2014059777A1 High-pressure pneumatic blasting pressure relieving and transmission increasing method |
| 04/24/2014 | WO2014059468A1 Locating underground markers |
| 04/23/2014 | CN102305068B Development machine |
| 04/22/2014 | CA2578696C Shield attachment for hand-held digging tools |
| 04/17/2014 | WO2014058169A1 Bedrock cracking apparatus using ice bomb in shape of powder keg |
| 04/17/2014 | US20140103698 Horizontally rotatable multi-knuckle boom |
| 04/17/2014 | CA2829580A1 Horizontally rotatable multi-knuckle boom |
| 04/16/2014 | CN203547752U Hydraulic splitting machine |
| 03/27/2014 | WO2014045048A1 Insertion of a blasting device |
| 02/27/2014 | US20140056646 Apparatus and method for mining coal |
| 02/19/2014 | EP2698498A1 Method, rock drilling rig and control apparatus |
| 01/30/2014 | WO2014018977A1 Hyper-pressure pulse excavator |
| 01/28/2014 | US8636085 Methods and apparatus for removal and control of material in laser drilling of a borehole |
| 01/23/2014 | US20140021772 Systems and methods for sonic subsurface material removal |
| 01/15/2014 | CN102149899B Method of cracking rock material, and breaking device |
| 01/14/2014 | US8628146 Method of and apparatus for plasma blasting |
| 12/17/2013 | US8608250 Slow turning drum for a miner |
| 12/11/2013 | CN102619469B Device for hole drilling, seam cutting and pressure relief of coal seam |
| 12/05/2013 | DE102012011145A1 Carbon dioxide-based in-situ-extracting and processing method for fluid mining industry during extracting e.g. cerium from inferior ore reservoir, involves decomposing rock with supercritical carbon dioxide-water mixture |
| 11/21/2013 | WO2013170630A1 Reciprocating percussive digging-loading machine |
| 11/13/2013 | CN102213094B Construction system and construction method for mine rock drivage |
| 10/29/2013 | US8567527 System and method for drilling a borehole |
| 10/08/2013 | CA2581701C Pulsed electric rock drilling, fracturing, and crushing methods and apparatus |
| 09/26/2013 | WO2013141775A1 Method for breaking solid materials |
| 09/25/2013 | CN101910546B Method and equipment for small-charge blasting |
| 09/18/2013 | CN103306675A Mechanical rock-digging method |
| 09/17/2013 | US8538698 Blasting method |
| 09/11/2013 | CN203189019U Heating device for chopping bit of coal mine |
| 09/03/2013 | CA2615801C Narrow bench mining system |
| 08/24/2013 | CA2769750A1 Mountain-moving crane |
| 08/13/2013 | CA2584056C Boom arrangement for a scaling device and scaling device |
| 08/07/2013 | CN103233688A Safe efficient type high-pressure water cutting connecting sleeve for mining drill bit |
| 08/01/2013 | DE202013102615U1 Einlass für einen Brechhammer Inlet for a breaking hammer |
| 07/25/2013 | US20130191029 Blasting method |
| 07/10/2013 | CN103195428A Extra-thin coal seam bottom climbing type comprehensive exploitation technology |
| 06/26/2013 | EP2606201A1 Systems and conveyance structures for high power long distance laster transmission |
| 06/13/2013 | US20130147253 Use of post-blast markers in the mining of mineral deposits |
| 06/11/2013 | CA2628887C Apparatus for assembling a liner |
| 06/06/2013 | US20130140872 Hydraulic fracturing |
| 06/06/2013 | US20130140871 Ammonium Nitrate Fuel Oil Mixtures |
| 06/06/2013 | DE102011119711A1 Method for processing and presentation of e.g. archaeological find objects in museum, involves performing investigations on find objects, and subjecting sides of objects to conservation work for three-dimensional representation of objects |
| 06/01/2013 | CA2761496A1 In situ mining |
| 05/21/2013 | CA2707053C Method and equipment for small-charge blasting |
| 05/16/2013 | WO2013070108A1 Method for plasma electromagnetic action on dielectric material |
| 05/14/2013 | CA2707341C Method and apparatus for small-charge blasting |
| 05/08/2013 | CN103089264A Dust-free gas-extraction chunk heading machine |
| 05/08/2013 | CN101910545B Method and apparatus for small-charge blasting |
| 04/30/2013 | CA2734387C Method of cracking rock material, and breaking device |
| 04/24/2013 | CN102191937B Hydraulic cleave-cracking bench vehicle |
| 04/17/2013 | CN202878257U Auxiliary hand-holding device and air pick |
| 03/27/2013 | CN202832549U High-pressure expander for environment-friendly high-pressure quarrying machine |
| 03/21/2013 | WO2013038059A1 Tool for breaking hammer, breaking hammer, and use thereof |
| 03/13/2013 | CN202788852U Mining rope saw |
| 03/07/2013 | WO2012173969A3 Virtual electrode mineral particle disintegrator |
| 03/06/2013 | CN202767999U Novel rock and concrete splitter |
| 03/05/2013 | US8388831 Compact slurry preparation system for oil sand |
| 02/19/2013 | US8380436 Blasting method |
| 02/13/2013 | EP2556329A1 Surface blasting product |
| 01/30/2013 | CN202707065U Tracked all-hydraulic drill for coal mines |
| 01/23/2013 | CN102003184B Machine-borne splitting system and position regulating device thereof |
| 01/16/2013 | CN202673294U Simple underground danger eliminating rod for mine |
| 01/09/2013 | CN102869948A 表面爆破产品 Surface Blasting Products |
| 01/03/2013 | US20130002003 Projectile |
| 01/02/2013 | CN102852522A Hydraulic fracturing method and device for releasing pressure of coal mine tunnel |
| 01/01/2013 | US8342609 Mining method |
| 01/01/2013 | US8342267 Mining machine with improved rib reach capability and method of use thereof |
| 01/01/2013 | US8342261 Method and equipment for small-charge blasting |