| Patents for F42D 3 - Particular applications of blasting techniques (1,720) |
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| 04/24/2013 | CN202903032U Positioning orientation pushing special device in tunnel orientation fracture explosion energy-gathered explosive package hole |
| 04/24/2013 | CN103063094A Channeling method in rapid roadway explosion |
| 04/24/2013 | CN103063093A Water stemming |
| 04/24/2013 | CN103063092A Simulation experiment method for tunnel drivage blasting |
| 04/17/2013 | CN103046569A Construction method for large-sized open caisson to penetrate through cement interlayer in deepwater |
| 04/17/2013 | CN101709939B Initiation method of deep hole blasting for dismounting building |
| 04/16/2013 | US8418618 Method and apparatus for small-charge blasting |
| 04/16/2013 | CA2749631C A blast movement monitor and method for determining the movement of a blast movement monitor and associated rock as a result of blasting operations |
| 04/10/2013 | EP1687584B1 Method of blasting multiple layers or levels of rock |
| 04/10/2013 | CN102003921B Balance blasting method |
| 04/10/2013 | CN101986092B Emission detonation cartridge for removing ice on power transmission line |
| 04/10/2013 | CN101793485B Armature-free explosive magnetic compression generator |
| 04/10/2013 | CN101738147B Method for dyeing interface of bursting body |
| 04/09/2013 | US8413584 Cementitious compositions |
| 04/09/2013 | US8413583 Hole covering and locator |
| 04/03/2013 | CN202853507U Blasting explosive grain with anti-sliding mechanism |
| 04/03/2013 | CN103017623A Air spacing device and use method of air spacing device |
| 04/03/2013 | CN103017622A Water-resisting returnable multi-stage buffer fractured self-deformation self-latching shot hole stopper |
| 04/03/2013 | CN103017620A Controlled blasting construction method for rock foundation pit |
| 04/03/2013 | CN102261248B Sill-pillar-free stage caving stopping method based on creasing-type structure |
| 04/03/2013 | CN102032845B Portable mobile launch type ice slush blaster and ice slush blasting method |
| 04/03/2013 | CN102010169B Static cracking agent |
| 04/03/2013 | CN101832743B Winze top-breaking blasting method |
| 03/27/2013 | EP2573505A1 Method for cleaning inside of pressure tight container for blasting treatment |
| 03/27/2013 | CN202836385U Deep hole blasting hole remaining charge disposing device |
| 03/27/2013 | CN202836384U Steel pipe pile foundation blasthole for trestle |
| 03/27/2013 | CN102997768A Rock blasting method |
| 03/27/2013 | CN102997764A Method for effectively removing ore-pass blockage and blockage removal device |
| 03/27/2013 | CN102997763A Method for blasting inclined thin ore body by dividing ores and rocks in area in drift driving |
| 03/27/2013 | CN101802346B Method and software product for designing drilling pattern for rock cavity excavation |
| 03/20/2013 | CN202814255U Inflator device for mine blasting |
| 03/20/2013 | CN202814248U Traction-type underwater blasting device for damming ice in the Yellow river |
| 03/20/2013 | CN202814247U Water dielectric door-breaking device |
| 03/20/2013 | CN102980453A Water injection drilling and blasting method for unloading stress of structural strong rock burst area of horizontal structural surface |
| 03/20/2013 | CN102974944A Cumulative blasting coupe pipe |
| 03/20/2013 | CN102305073B Sill pillar staged caving stoping method with single route projecting eaves structure |
| 03/20/2013 | CN101608885B Underwater drilling and blasting construction method of mountain river |
| 03/13/2013 | CN202793199U Deep-hole elementary error control blasting system |
| 03/13/2013 | CN102967192A Multifunctional blast protecting object |
| 03/13/2013 | CN102967191A Blasting method for treatment of gob |
| 03/13/2013 | CN102966333A Anti-blockage method for bottom hole of mine stope and roadway driving working face |
| 03/13/2013 | CN102042786B Controlled blasting construction method for shallow-buried large-section tunnel |
| 02/27/2013 | CN102943673A Cutting method combining deep hole cutting and small well cutting |
| 02/27/2013 | CN102942428A High-power water gel explosive applicable to coal mine and manufacturing method thereof |
| 02/27/2013 | CN102261249B Creasing-type sill-pillar-free stage caving stopping method based on steel structured artificial top |
| 02/20/2013 | EP2558814A1 High energy blasting |
| 02/20/2013 | CN102937399A Stress relief blasting method based on ground stress transient release |
| 02/20/2013 | CN102937398A Rockburst active control method based on blasting excavation disturbance control |
| 02/20/2013 | CN102937397A Step blasting dynamic design method based on close-range photogrammetry technology |
| 02/19/2013 | US8380436 Blasting method |
| 02/13/2013 | EP2556330A1 Device for setting off an avalanche |
| 02/13/2013 | CN102927866A Open-bench blasting method capable of controlling forward stroke of blasting muck pile |
| 02/13/2013 | CN102927864A Device and method for performing blasting processing for ore-pass high position blockage by balloon suspended explosive powders |
| 02/13/2013 | CN102927863A New method for blasting construction of all-rock tunnel |
| 02/06/2013 | CN102914227A Construction method of novel explosive loading structure of mixed loading explosive truck |
| 01/31/2013 | WO2013014299A1 Device and method for generating electricity from pressurized water and at least one explosive material |
| 01/30/2013 | CN202709898U Push rod explosive delivery device for charging ultra-deep horizontal blasting holes |
| 01/30/2013 | CN102906532A 高能量爆破 High-energy blast |
| 01/30/2013 | CN102901414A Device special for in-hole positioning, orientating and propelling of tunnel directional fracture blasting shaped charge |
| 01/29/2013 | CA2796219A1 Ultimate solutions to obesity, tornado, doomsday, and other acts of god |
| 01/23/2013 | EP2547426A2 Method for minimizing nitrogen oxide gases in underground mining and tunnel construction |
| 01/23/2013 | CN202692858U Auxiliary eye dropping device |
| 01/23/2013 | CN102893120A A rock breaking product |
| 01/16/2013 | CN202676051U Umbrella-shaped foldable loading residue isolator for deep hole blasting |
| 01/16/2013 | CN102878875A Secondary crushing blasting method of large rock masses |
| 01/16/2013 | CN102878874A Deep-hole pre-splitting blasting grouting method |
| 01/16/2013 | CN102182515B Method for magnetically monitoring and forecasting deep surrounding rock burst losslessly in real time |
| 01/16/2013 | CN101718511B Blast hole measuring device and measuring method thereof |
| 01/10/2013 | DE102012007153A1 Zünder mit einem Mehrfunktionenstopfen Igniter with a multi-function plug |
| 01/09/2013 | CN202660991U Protective device for bursting of deep foundation pit lithosphere |
| 01/09/2013 | CN202657247U Escape fast separating unit |
| 01/09/2013 | CN101576362B Explosive device used for windowing on brick wall |
| 01/02/2013 | CN202648555U Novel blasting spacer |
| 01/02/2013 | CN202648554U Rock mass engineering blasting excavation damping device |
| 01/02/2013 | CN202648553U Cushion pad capable of greatly increasing stability in blasting excavation of rock slope |
| 01/02/2013 | CN202648547U Ultrahigh pressure steam power breaking device |
| 01/02/2013 | CN102853726A Explosive loading device for holes at periphery of smooth blasting |
| 01/02/2013 | CN101738148B Tunnel medium-length hole smooth blasting method |
| 01/01/2013 | US8342096 Avalanche triggering system |
| 12/26/2012 | CN202630821U Directional energy collection fracture blasting device of lancing pipe |
| 12/26/2012 | CN102840802A Ore pass choking-up method for deep hole blasting treatment mining area |
| 12/26/2012 | CN102839610A Demolition blasting method for prestress concrete cantilever trussed arch bridge |
| 12/26/2012 | CN101749987B Long borehole blast charging method |
| 12/26/2012 | CN101532807B Pumped storage power plant tail water retained rock step blasting safety protection method |
| 12/20/2012 | WO2012123277A3 Pressure/discharge pipe connection |
| 12/20/2012 | WO2012115397A3 Blasting method using a control device for inducing a blast pressure, and control device for inducing the blast pressure to apply the method |
| 12/20/2012 | US20120318159 Avalanche-inducing device |
| 12/19/2012 | CN102829677A Water medium explosion technology |
| 12/19/2012 | CN101424503B Rim angle blasting method for natural side hill |
| 12/12/2012 | CN202599263U Nearby protection device used in demolition blasting of reinforced concrete chimneys |
| 12/12/2012 | CN102818485A High slope sunken layered blasting relief method |
| 12/12/2012 | CN101922902B Method for weakening strength of hard rock |
| 12/11/2012 | CA2497225C High-pressure explosive retention device |
| 12/05/2012 | CN202582395U Cavern-excavating wedge-cutting drilling guide rack |
| 12/05/2012 | CN102809332A Safety and protection method for blasting of high-slope unstable rock |
| 12/05/2012 | CN102808622A Method for recycling ore pillars by middle-deep hole and deep hole united blasting technique |
| 12/05/2012 | CN102808621A Method for blasting heavy-inclined thick ore bodies |
| 11/28/2012 | CN202562373U Multidirectional shaped charge type blasting device |
| 11/27/2012 | US8316768 Linear incendiary strand and method for prescribed fire ignition |
| 11/22/2012 | DE112010003824T5 Sprengpatrone, Sprengeinrichtung und Sprengverfahren Explosive cartridge, explosive device and method of blasting |