| Patents for E21C 37 - Other methods or devices for dislodging with or without loading (1,249) |
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| 01/12/2011 | CN201705354U Modified splitter |
| 01/12/2011 | CN201705353U Oil return pipeline of splitter |
| 01/11/2011 | CA2591346C Apparatus and method to pulverize rock using a superconducting electromagnetic linear motor |
| 12/29/2010 | CN201687477U Pneumatic gadding machine |
| 12/29/2010 | CN101555794B Method for preventing flying refuse during excavation of large-inclination-angle rise entry of mine |
| 12/23/2010 | WO2010147522A1 Expansion device for breaking solid material, use of the device and method for producing it |
| 12/09/2010 | WO2010140922A1 Vibration-safe pneumatic percussive tool |
| 12/08/2010 | CN101910546A Method and equipment for small-charge blasting |
| 12/08/2010 | CN101910545A Method and apparatus for small-charge blasting |
| 12/01/2010 | CN101899975A Experimental evaluation method suitable for coal-bed fracturing fluid flow filtration |
| 11/25/2010 | US20100295359 Collapsible Cushion |
| 11/24/2010 | CN201650296U Hydraulic vibration rock splitter |
| 11/04/2010 | US20100278712 Method for Creating Diamond Dust via Detonation of Carbon Dioxide and Reducing Agent Combinations |
| 11/02/2010 | CA2460070C Method for automatic generation of a drill pattern |
| 10/27/2010 | CN201614936U 液压岩石分裂机 Hydraulic rock splitter |
| 10/27/2010 | CN201614935U 螺旋岩石分裂机 Spiral rock splitting machine |
| 10/07/2010 | WO2010114412A1 Hydraulic splitting device |
| 10/07/2010 | WO2010114411A1 Apparatus for directionally splitting monolithic blocks |
| 10/06/2010 | CN1717533B Thermal rock fragmentation application in narrow vein extraction |
| 09/28/2010 | US7802384 Method and device for excavating submerged stratum |
| 09/16/2010 | WO2010102546A1 Method for directional mining of rock and expansion element therefor |
| 09/15/2010 | EP2227617A1 Method and apparatus for small-charge blasting |
| 09/09/2010 | US20100225155 Use of post-blast markers in the mining of mineral deposits |
| 09/01/2010 | EP2222931A1 Method and equipment for small-charge blasting |
| 08/25/2010 | CN101812987A Hydraulic vibration rock splitter |
| 08/25/2010 | CN101812986A Coal remover |
| 07/07/2010 | CN201521303U Silent blast spalling deive |
| 06/17/2010 | US20100148567 Temporary power equipment transport system for moving mining equipment and method of use |
| 06/16/2010 | CN201507311U Control device of emulsified liquid drilling machine |
| 06/10/2010 | US20100141013 Coal burning methods & apparatus |
| 06/09/2010 | CN201502378U Controller of handheld emulsion drill rig |
| 06/09/2010 | CN101725347A Coal mining method and coal mining apparatus implementing same |
| 06/09/2010 | CN101016840B Method and device for mining lump coal |
| 05/27/2010 | WO2010058081A1 Splitting wedge |
| 05/26/2010 | CN201486498U Borer breaking and pulling device |
| 05/25/2010 | CA2601568C Rock drill and method of breaking rock |
| 05/06/2010 | US20100109419 Mining and demolition tool |
| 05/06/2010 | US20100109418 Mining and Demolition tool |
| 05/04/2010 | US7708178 Handheld pneumatic tool for breaking up rock |
| 04/21/2010 | CA2642181A1 Method to speed up the consolidation process of tailing slurry by embedded drainage system |
| 04/13/2010 | US7695072 Boom arrangement for a scaling device and scaling device |
| 03/18/2010 | WO2010029220A1 Method of cracking rock material, and breaking device |
| 03/18/2010 | DE112008000354T5 Anordnung zum Bohren und Vermessen, Verfahren zum Bohren und Vermessen und Vorrichtung zum Elektroimpulsbohren Assembly for drilling and logging, method of drilling and logging and apparatus for electro pulse drilling |
| 03/18/2010 | CA2734387A1 Method of cracking rock material, and breaking device |
| 03/02/2010 | US7669937 Continuous extraction of underground narrow-vein metal-bearing deposits by thermal rock fragmentation |
| 02/23/2010 | CA2472129C Method of and apparatus for breaking rock |
| 02/18/2010 | WO2010019085A1 Gas generator for splitting and destructing materials, ignition unit and composition for use in gas generators for splitting and destructing materials |
| 02/17/2010 | EP2153163A1 Use of post-blast markers in the mining of mineral deposits |
| 02/10/2010 | CN101644156A Method for weakening coal-rock mass by hydraulic blasting and fracturing |
| 01/07/2010 | US20100001574 Method and apparatus for the milling cutting of materials |
| 12/31/2009 | US20090321132 Electromagnetic energy assisted drilling system and method |
| 12/17/2009 | WO2009149595A1 A cracking method of a rock or concrete and the device |
| 12/09/2009 | CN201358788Y Expansion cracking device |
| 12/02/2009 | CN100564802C Method for crushing rock formation of coal mine |
| 11/26/2009 | US20090289492 Static Crushing Method, Aid for Static Crushing Used for the Crushing Method, and Filling Tool |
| 11/11/2009 | CN101575972A Crossed chain-cutting narrow crawler double-push liquid wedge and support type stone head development machine |
| 10/30/2009 | CA2629605A1 Method for the induction of fractures in mining materials |
| 10/14/2009 | CN101555794A Method for preventing flying refuse during excavation of large-inclination-angle rise entry of mine |
| 10/14/2009 | CN101555793A Method for preventing flying refuse during excavation of large-inclination-angle dip entry of mine |
| 09/16/2009 | CN100540839C Boring machine having differential global positioning system receiver for underwater rock and boring method thereof |
| 09/08/2009 | US7585460 susceptible to thiobacillus, by putting said materials in contact with soluble inorganic salts such as sodium chloride (NaCl); for safe storage of sulfur recovered from the desulfuration of fossil fuels |
| 09/03/2009 | US20090218877 Device for breaking solid material and method of manufacturing a hose element for such a device |
| 09/02/2009 | CN201301712Y Simple tool for broking ore |
| 09/02/2009 | CN101519965A Method and device for exploiting stone |
| 08/26/2009 | CN201295622Y Full rotary type hydraulic crusher |
| 08/26/2009 | CN201295621Y Turning oil cylinder type hydraulic crusher |
| 07/29/2009 | CN100518944C Crushing structure of crusher |
| 07/23/2009 | US20090184563 Method of Breaking Brittle Solids |
| 07/09/2009 | WO2009083644A1 Method and equipment for small-charge blasting |
| 07/09/2009 | WO2009083642A1 Method and apparatus for small-charge blasting |
| 07/09/2009 | CA2707341A1 Method and apparatus for small-charge blasting |
| 07/09/2009 | CA2707053A1 Method and equipment for small-charge blasting |
| 06/02/2009 | CA2429447C Drillhole blasting |
| 05/20/2009 | CN201241703Y Core inlaid drill rod for hydraulic breaking hammer |
| 05/14/2009 | US20090121537 Boom arrangement for a scaling device and scaling device |
| 05/07/2009 | US20090119078 Blasting Method |
| 04/29/2009 | CN101421491A Device for breaking solid material and method of manufacturing a hose element for such a device |
| 04/16/2009 | US20090096275 Isolator plate assembly for rock breaking device |
| 04/02/2009 | WO2009040704A1 Device for breaking blocks of stone, marble, granite, concrete and similar, apparatus and method thereof |
| 03/11/2009 | CN201206468Y Double hook lever type development machine with safety suspension device |
| 02/25/2009 | CN201198746Y Drill pulling apparatus |
| 02/25/2009 | CN201198734Y Hand-hold emulsifiable solution drill |
| 02/05/2009 | WO2009015468A1 Ore extraction using combined blast and thermal fragmentation |
| 02/05/2009 | CA2695658A1 Ore extraction using combined blast and thermal fragmentation |
| 02/03/2009 | CA2515076C Scaling assembly |
| 01/21/2009 | EP2015901A1 Shield attachment for hand-held digging tools |
| 01/14/2009 | CN201180543Y Hydraulic quarrying machine |
| 01/07/2009 | EP1550507B1 Crushing structure of crusher |
| 01/07/2009 | CN101338673A Core inlaid drill rod for hydraulic breaking hammer and its manufacture method |
| 12/31/2008 | CN101334255A A propellant cartridge |
| 12/11/2008 | WO2008150209A1 Process for the production of an expansion device for breaking of solid materials |
| 11/05/2008 | EP1987229A1 Device for breaking solid material and method of manufacturing a hose element for such a device |
| 10/22/2008 | CN100427873C Cartridge shell and cartridge fo blast holes and method of use |
| 10/09/2008 | US20080245568 System and Method for Drilling a Borehole |
| 10/08/2008 | CN201129143Y Helical chisel teeth |
| 10/02/2008 | US20080236433 Rock Drill and Method of Breaking Rock |
| 09/25/2008 | WO2008064305A3 Recovery of bitumen by hydraulic excavation |
| 09/18/2008 | US20080224527 Continuous extraction of underground narrow-vein metal-bearing deposits by thermal rock fragmentation |
| 09/11/2008 | US20080217058 Heating device for passage through subterranean asphalt and method of use |
| 09/02/2008 | US7419223 System and method for enhancing permeability of a subterranean zone at a horizontal well bore |