| Patents for F42D 3 - Particular applications of blasting techniques (1,720) |
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| 10/03/2013 | WO2013142894A1 Shell for explosive |
| 10/03/2013 | CA2854866A1 Shell for explosive |
| 10/02/2013 | CN203224181U Detonator protective device for disassembling blasting charge |
| 10/02/2013 | CN103335568A Method for improving light exposure quality effect of coal mine tunnel periphery hole |
| 09/26/2013 | US20130247789 Hot hole charge system |
| 09/25/2013 | CN103322988A A method for determination of a tobacco drying curve |
| 09/25/2013 | CN103322873A Filling device for mixing and filling emulsion explosive on scene |
| 09/25/2013 | CN103321644A Mechanical mode and control blasting combined tunneling method |
| 09/25/2013 | CN102278128B High-stress poor rock roadway supporting process |
| 09/25/2013 | CN101910546B Method and equipment for small-charge blasting |
| 09/25/2013 | CN101900518B Pre-reamed explosive source charge structure and method using structure to generate seismic wave |
| 09/18/2013 | CN203203486U Blockage removal device for effectively removing ore-pass blockage |
| 09/18/2013 | CN103307941A Method for improving tunneling, channeling and blasting effect of mine roadway |
| 09/18/2013 | CN103307939A Deep-hole bench slight vibrating exploding method |
| 09/18/2013 | CN103306679A '|'-shaped free surface holing one-step well completion technology |
| 09/18/2013 | CN102220866B Pressure relief and consolidation synergizing prevention and control method for rock burst in deep coal drift |
| 09/17/2013 | US8538698 Blasting method |
| 09/11/2013 | CN103292648A Blasting cartridge type directional blasting process for chimneys of brick-concrete structures |
| 09/11/2013 | CN103291308A Boom-type roadheader for tunnel construction and tunnel construction method |
| 09/11/2013 | CN102519324B Presplitting blasting method for water holes close to high and steep slopes |
| 09/06/2013 | WO2013127706A1 Head of an exploding-wire electrohydraulic discharge device |
| 09/04/2013 | CN103278145A Auxiliary orienting device for civil blasting operation field and using method thereof |
| 09/04/2013 | CN103278055A Roof-cutting pressure relief method in hard-roof deep-hole pre-splitting blasting |
| 09/04/2013 | CN102564252B Combined gun blocking device |
| 08/28/2013 | CN203161226U Blasting-type ore extraction device |
| 08/21/2013 | EP2629047A1 Blast treatment method and blast treatment device |
| 08/21/2013 | CN203148324U Tunnel excavation vibration attenuation smooth blasting construction safety monitoring system |
| 08/21/2013 | CN203148323U Underwater millisecond blasting network used for simulating battlefield |
| 08/21/2013 | CN102322773B Ultra long blast hole detection method |
| 08/21/2013 | CN102183184B Blast method for realizing vibration attenuation and protection of early-age concrete lining during tunnel construction |
| 08/20/2013 | CA2598438C Method and apparatus for stimulating wells with propellants |
| 08/14/2013 | CN103244180A Gob-side entry driving surrounding rock control method using remaining small pillars |
| 08/14/2013 | CN103244124A Method for coal mine tunnel working surface to pass through abandoned roadway in forced caving pressure relief mode |
| 08/08/2013 | US20130199393 Rock Breaking Product |
| 08/07/2013 | CN203116625U Special blasting device for complex foundation construction |
| 08/07/2013 | CN103234405A Deep hole crack control blasting method for grouting reinforced surrounding rock |
| 08/07/2013 | CN103234403A Static blasting construction method for highway tunnel |
| 07/31/2013 | CN203100593U Auxiliary device of blasting of explosives |
| 07/25/2013 | US20130191029 Blasting method |
| 07/24/2013 | CN203083466U Low-boulder-yield waterpower supercharging blasting charging structure |
| 07/17/2013 | CN203069073U Shot hole quick positioning device for coal mine roadway tunneling blasting |
| 07/17/2013 | CN103206903A Hard roof directional pressurized explosion control method |
| 07/17/2013 | CN102296957B Method of transfixing and distressing with one explosion during tunneling of seam roadway with rock burst |
| 07/10/2013 | CN103201586A Directional gas pressure device |
| 07/10/2013 | CN103196337A Multifunctional heavy ammonium nitrate fuel oil explosive mixed loading truck |
| 07/10/2013 | CN102288076B Method for controlling laneway floor heave through deep-hole section blasting |
| 07/10/2013 | CN102042785B Cumulative cutting method for wall-thickness variable metal component with bent cross section |
| 07/04/2013 | DE102007063515B4 Verfahren zur nichtelektrischen Objektsprengung von nicht trittsicheren Bodenbereichen aus Flugobjekten heraus Out method for non-electric blasting of object does not occur safe ground areas from flying objects |
| 07/03/2013 | EP2609392A2 Directional gas pressure device |
| 07/03/2013 | CN103185491A Stress relieving blasting method for side wall rock pillar type rock burst of two synchronously tunneling deeply-buried tunnels |
| 07/03/2013 | CN103184739A Demolition blasting method for reinforced concrete bracing |
| 07/03/2013 | CN102287198B Construction method for river-crossing shield tunnel crushed stratum communication channel |
| 07/03/2013 | CN102269554B Method for treating underground mine goaf by utilizing cave-blasting process to form covering layer |
| 06/26/2013 | CN103175452A Symmetrically swinging blasting method |
| 06/26/2013 | CN103175451A Construction method of tunnel shock relieve hole controlling blasting |
| 06/26/2013 | CN103175450A 深孔爆破法 Deep Hole Blasting |
| 06/20/2013 | US20130152812 High energy blasting |
| 06/19/2013 | CN203011260U Annular groove arranged in driving working face rack mass for enhancing explosion effect |
| 06/19/2013 | CN102220868B Urban shallow buried large-section tunnel five-step excavating method |
| 06/13/2013 | WO2013082731A1 Apparatus and method for cleaning combustion devices |
| 06/12/2013 | CN202994004U Drilling and blasting equipment used for tunnel construction |
| 06/12/2013 | CN202994003U High-rise shear wall structure building orientation and bidirectional folding blasting device |
| 06/12/2013 | CN202994002U Multi-directional explosion blasting tube for removing obstacles |
| 06/12/2013 | CN202990844U Annular drilling and blasting rack used for tunnel blasting construction |
| 06/12/2013 | CN202990842U Annular drilling and blasting device used for tunnel blasting construction |
| 06/12/2013 | CN103148750A Underwater millisecond blasting network for simulating battlefield |
| 06/12/2013 | CN103148749A Symmetrical double-rotation blasting method |
| 06/12/2013 | CN103148747A Blasting method of shallow coal seam top plate |
| 06/05/2013 | CN202974087U Potential energy-storing and energy-accumulating deep hole blasting construction device |
| 06/05/2013 | CN103134401A Controlled impact rescue tool impact element |
| 06/05/2013 | CN102230769B Multi-row micro-differential roadbed deep hole blasting construction method |
| 05/30/2013 | US20130133543 Device for setting off an avalanche |
| 05/29/2013 | CN202956053U Blasting experiment model of round roadway |
| 05/29/2013 | CN202956052U Experimental apparatus for simulating blasting of main haulage roadway in coal mine |
| 05/29/2013 | CN103123247A Damping blasting method for steep dip small crossing angle layered surrounding rock small-distance tunnel excavation |
| 05/22/2013 | CN103116193A Testing device of remote detonation synchronizing system special for geophysical prospecting |
| 05/22/2013 | CN103114597A Environment protection explosion squeezing silting embanking method |
| 05/22/2013 | CN103114558A Steep slope zone blast slit squeezing embanking method |
| 05/22/2013 | CN102235010B Treatment method for hanging sinking stop due to expansive soil in well sinking |
| 05/21/2013 | CA2707053C Method and equipment for small-charge blasting |
| 05/15/2013 | CN202939171U Explosion simulation experimental device for gateway of working surface |
| 05/15/2013 | CN202939169U Blasting experiment device used in soft rock roadway |
| 05/15/2013 | CN202938727U Auxiliary hole driller |
| 05/15/2013 | CN202936781U Tubular type anchor rod with round-cake-shaped anti-skid key |
| 05/15/2013 | CN202936779U Tubular anchor rod provided with reverse bolts |
| 05/14/2013 | CA2597675C Security enhanced blasting apparatus with biometric analyzer and method of blasting |
| 05/08/2013 | CN202928461U Device for ore-waste separation through short delay blasting of gently-dipping thin ore body |
| 05/08/2013 | CN202922101U Energizing blasting cutting pipe |
| 05/08/2013 | CN103090754A Detonating cord clamp |
| 05/08/2013 | CN103089266A Drift-pillar-free sublevel barnyard caving mining method of open pit transferred underground transitional period |
| 05/08/2013 | CN103089265A Middle-deep hole blasting ore breaking method for underground mining |
| 05/07/2013 | CA2596373C Electronic blasting system |
| 05/01/2013 | CN103075936A Rock pillar rockburst step-by-step relief water filling blasting method in deep-buried tunnel penetrating process |
| 05/01/2013 | CN103075935A Rockblast stress relief water storage guide hole type blasting method for deep-buried round tunnel |
| 05/01/2013 | CN103075934A Pull-type underwater blasting device for accumulated ice in yellow river |
| 05/01/2013 | CN101893414B Exploder |
| 05/01/2013 | CN101600850B Designing drilling pattern for excavating rock cavern |
| 04/30/2013 | US8430032 Avalanche triggering system |
| 04/30/2013 | CA2524101C Method and apparatus for fluid removal from a container |
| 04/25/2013 | WO2013056301A1 A method for zoning a site for blasting purposes |