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