| Patents for E21C 37 - Other methods or devices for dislodging with or without loading (1,249) |
|---|
| 08/26/2008 | US7418373 Blasting method |
| 08/26/2008 | US7416258 Methods of using a laser to spall and drill holes in rocks |
| 08/14/2008 | WO2008097101A1 Assembly for drilling and logging, method for drilling and logging and device for electro pulse drilling |
| 08/07/2008 | WO2008034125A3 Remotely controlled mining machines, control systems, and related methods |
| 08/07/2008 | US20080185904 Handheld Pneumatic Tool For Breaking Up Rock |
| 08/07/2008 | DE112006002742T5 Transporteinrichtung Transport means |
| 07/31/2008 | DE19939000B4 Einrichtung zur Verminderung von Druckschwankungen und/oder Druckstößen an hydraulisch betriebenen Schlagaggregaten Device for reducing pressure fluctuations and / or pressure surges to hydraulically driven percussion units |
| 07/30/2008 | CN201092857Y Dismountable danger-discharging pricker |
| 07/30/2008 | CN101233295A Narrow bench mining system |
| 07/02/2008 | CN100398780C Rock gadding machine |
| 06/25/2008 | CN201078194Y Improved stem |
| 06/19/2008 | WO2008071666A1 Method for breaking up hard rock, and a drilling apparatus |
| 06/17/2008 | US7387071 Blasting method and blasting accessory |
| 06/11/2008 | CN201071724Y Emulsified liquid drilling rig for coal mine |
| 06/11/2008 | CN101198763A Rock drill and method of breaking rock |
| 06/04/2008 | CN101191415A Method for crushing rock formation of coal mine |
| 05/29/2008 | US20080120926 Anchoring Device And Method For Fixation Of A Launching Unit For Highwall Mining |
| 05/29/2008 | CA2668774A1 Recovery of bitumen by hydraulic excavation |
| 05/27/2008 | US7377593 Continous extraction of underground narrow-vein metal-bearing deposits by thermal rock fragmentation |
| 05/27/2008 | CA2317575C Feed apparatus for feeding capsular cartridges into drilled hole |
| 05/21/2008 | CN201062516Y Hand-held hydraulic bruising hammer |
| 05/06/2008 | US7367631 Method of and apparatus for breaking rock |
| 05/06/2008 | CA2439414C Cartridge shell and cartridge for blast holes and method of use |
| 04/16/2008 | CN201047056Y Flat chisel with compound structure |
| 02/27/2008 | CN201026604Y Crashing impacting pickaxe |
| 02/20/2008 | CN201024909Y Improved taper slim pole |
| 01/24/2008 | DE102006023631A1 Widening cuttings in rocky terrain, to make way for additional railway tracks or motorway lanes, employs systematic operation keeping existing way clear |
| 01/22/2008 | US7320505 Attack tool |
| 01/10/2008 | WO2006096615A3 Handheld pneumatic tool for breaking up rock |
| 01/03/2008 | CA2658570A1 Portable and directional electrocrushing drill |
| 12/26/2007 | EP1869287A2 Rock drill and method of breaking rock |
| 12/26/2007 | EP1868757A2 Handheld pneumatic tool for breaking up rock |
| 12/26/2007 | CN101092875A Impulse type coal winning machine, and stone catcher |
| 12/21/2007 | WO2007016490A3 Narrow bench mining system |
| 11/29/2007 | US20070272108 Blasting Method and Blasting Accessory |
| 11/22/2007 | WO2007024263B1 Portable electrocrushing drill |
| 11/21/2007 | CN100350129C Crushing method using large boreholes in underwater rock |
| 11/20/2007 | CA2392633C Rotary-percussion electrical tool |
| 11/13/2007 | CA2263243C Hydraulic fracturing of ore bodies |
| 11/08/2007 | WO2007124565A1 Shield attachment for hand-held digging tools |
| 11/01/2007 | CA2578696A1 Shield attachment for hand-held digging tools |
| 10/04/2007 | WO2007024263A3 Portable electrocrushing drill |
| 08/30/2007 | WO2007096734A1 Method for drilling-and-blasting operations at open pits |
| 08/23/2007 | WO2007094719A1 Device for breaking solid material and method of manufacturing a hose element for such a device |
| 08/15/2007 | CN101016840A Method for mining lump coal |
| 08/08/2007 | CN2931752Y Hand-held water injection type coal seam drill for exploring water |
| 08/07/2007 | US7252159 Underwater rock boring apparatus having differential global positioning system receiver and boring method thereof |
| 07/18/2007 | EP1807607A1 Boom arrangement for a scaling device and scaling device |
| 07/05/2007 | US20070152494 Fracturing Using a Pressure Pulse |
| 06/28/2007 | US20070145811 Scaling assembly with pivotally mounted pick component |
| 06/27/2007 | CN2916579Y Measuring instrument with under-point centralizer |
| 06/27/2007 | CN2916090Y Pneumatic drill |
| 06/14/2007 | WO2007066186A1 Brittle material fracturing system |
| 06/06/2007 | CN2908783Y Water-injection coal mining apparatus |
| 05/30/2007 | EP1789652A2 Pulsed electric rock drilling, fracturing, and crushing methods and apparatus |
| 05/03/2007 | WO2007049351A1 Ground drilling device |
| 05/02/2007 | EP1780497A1 Method for the blasting or the fracturing of concrete and stony meterials. |
| 05/02/2007 | CN2895830Y Pressure-regulation valve block assembly for emulsion driller |
| 04/24/2007 | US7207633 Scaling assembly |
| 04/19/2007 | WO2007043008A2 Conveyance device |
| 04/18/2007 | CN2890311Y Portable pneumatic rock drill |
| 04/17/2007 | CA2176100C Method of removing a minable product from an underground seam |
| 03/27/2007 | US7195320 Thermal rock fragmentation application in narrow vein extraction |
| 03/22/2007 | WO2007033387A1 Shock tube centering device |
| 03/21/2007 | CN2881098Y Automatic oiler of air drill |
| 03/14/2007 | CN2878674Y Wind drill |
| 03/13/2007 | US7188910 Crushing structure of crusher |
| 03/01/2007 | US20070046094 Method for pillar recovery in chamber-and-pillar working and tubbing unit for pillar recovery |
| 03/01/2007 | CA2844571A1 Portable electrocrushing drill |
| 03/01/2007 | CA2661026A1 Portable electrocrushing drill |
| 02/15/2007 | US20070035171 Narrow bench mining system |
| 02/08/2007 | WO2007016490A2 Narrow bench mining system |
| 02/08/2007 | CA2615801A1 Narrow bench mining system |
| 01/23/2007 | US7166349 Grid of synthetic material |
| 01/18/2007 | DE19625509B4 Werkzeugkomponente für Schneidmeißel aus Sintercarbidsubstrat und Verwendung zur Herstellung eines Schneidmeißels Tool component for cemented carbide cutting bit out and use for producing a cutting bit |
| 01/11/2007 | WO2005038147A3 Scaling assembly |
| 01/09/2007 | CA2293746C Method of controlling rock drilling |
| 01/02/2007 | US7156189 Self mountable and extractable ultrasonic/sonic anchor |
| 01/02/2007 | CA2264812C Blasting device |
| 12/27/2006 | CN1292222C Relaxation type blasting method and protection cover structure for blasting |
| 12/14/2006 | US20060278419 Automated, low profile drilling/bolting module with roof reference guide |
| 12/05/2006 | CA2220920C Method and apparatus for blasting hard rock |
| 11/30/2006 | US20060265914 Work machine having boundary tracking system |
| 11/22/2006 | CN1286248C Impact electric tool machine |
| 11/15/2006 | EP1463918B1 Method of and apparatus for breaking rock |
| 11/15/2006 | CN2837511Y Electrolytic cell gouging apparatus |
| 11/09/2006 | WO2006117935A1 Drilling method and device of stratum in liquid |
| 11/02/2006 | WO2006099637A3 Rock drill and method of breaking rock |
| 10/31/2006 | CA2451712C In situ sulphur remelter |
| 10/19/2006 | WO2006110057A1 Method for mountain tunnelling without transporting rocks onto a daylight area |
| 10/05/2006 | WO2006105012A2 System for rapidly boring through materials |
| 09/21/2006 | WO2006099637A2 Rock drill and method of breaking rock |
| 09/21/2006 | US20060208555 Method and device for extracting extraction products in underground mining |
| 09/19/2006 | US7108124 Method for multiple lift stacking using mobile conveyor system |
| 09/12/2006 | CA2392585C Support for supporting a power tool on a displacement carriage |
| 08/31/2006 | WO2006090420A1 Mechanical tool for splitting rocks |
| 08/24/2006 | US20060190219 System and method(s) of mine planning, design and processing |
| 08/16/2006 | EP1463871B1 Activated stemming device |
| 08/16/2006 | CN1818336A High-pressure water-jetting and coal-breaking process with densed gas on press onward tunnelling operation face |
| 08/03/2006 | US20060169162 Activated stemming device |