| Patents for F42D 1 - Blasting methods or apparatus, e.g. for loading or tamping (4,148) |
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| 08/07/2013 | CN203116624U Explosive fixing device for roof deep hole blasting |
| 08/07/2013 | CN103234406A Wireless sensor network intelligent explosion device |
| 08/07/2013 | CN103234405A Deep hole crack control blasting method for grouting reinforced surrounding rock |
| 08/07/2013 | CN103234404A Blasting vibration control method |
| 08/07/2013 | CN103234403A Static blasting construction method for highway tunnel |
| 08/07/2013 | CN102278924B Intelligent detonation control system and method |
| 08/07/2013 | CN101408396B Digital electric detonator ignition system based on biometric identification technology |
| 07/31/2013 | CN203100592U Leak-proof blast-hole structure |
| 07/31/2013 | CN102494573B Tunnel electronic detonator mounting, connecting and detonating method |
| 07/31/2013 | CN102434157B V-shaped groove top plate closing method for goaf area |
| 07/25/2013 | US20130191029 Blasting method |
| 07/24/2013 | CN203083466U Low-boulder-yield waterpower supercharging blasting charging structure |
| 07/24/2013 | CN203083465U Speed-adjustable pipe conveying device for conveying and recycling medicine conveying pipe |
| 07/24/2013 | CN203083464U Shot hole wedge-shaped body blocking device |
| 07/24/2013 | CN203083463U Carbon dioxide exploitation device |
| 07/24/2013 | CN103217082A Intelligent exploder and intelligent exploding method |
| 07/24/2013 | CN103217081A Permissible intelligent detonator for coal mine and intelligent detonating method |
| 07/24/2013 | CN101718509B Detonating network connecting block locking mechanism |
| 07/23/2013 | CA2741802C Hole covering and locator |
| 07/18/2013 | US20130180422 Blasting arrangement |
| 07/17/2013 | EP2614332A1 Blasting arrangement |
| 07/17/2013 | CN203069073U Shot hole quick positioning device for coal mine roadway tunneling blasting |
| 07/17/2013 | CN203069072U Pneumatic stemming machine |
| 07/17/2013 | CN203069071U Belt-type tube conveying/returning device for loading hose |
| 07/17/2013 | CN203069070U Pipe feeding device for synchronous belt type medicine delivery flexible pipe |
| 07/17/2013 | CN203069069U Chain-type tube conveying device for loading hose |
| 07/17/2013 | CN203069068U Belt-type tube conveying/returning device for loading hose |
| 07/17/2013 | CN203069067U Coiler device for emulsion explosive loading vehicle |
| 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 |
| 07/11/2013 | WO2013102365A1 Site vehicle for mixing and loading multiple kinds of explosives with different detonation velocities |
| 07/11/2013 | US20130174755 Connectors for separable firing unit assemblies, separable firing unit assemblies, and related methods |
| 07/10/2013 | CN103196338A Automatic and intelligent primer gating system and working method thereof |
| 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 | CN102278925B Shooting hole blasting combined spacer |
| 07/10/2013 | CN102042785B Cumulative cutting method for wall-thickness variable metal component with bent cross section |
| 07/04/2013 | WO2013098460A1 Method and mining vehicle for post-drilling insertion |
| 07/04/2013 | WO2013098459A1 Method and arrangement for post-drilling insertion |
| 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 | CN102269554B Method for treating underground mine goaf by utilizing cave-blasting process to form covering layer |
| 07/02/2013 | US8474379 Remote firing device with diverse initiators |
| 06/27/2013 | WO2013095265A1 A rock cracker assembly, a primed rock cracker cartridge, a non-primed rock cracker cartridge, and a detonator included in the assembly |
| 06/27/2013 | WO2013093300A1 System for triggering a plurality of electronic detonator assemblies |
| 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 |
| 06/26/2013 | CN102401615B Double-cable delay mechanism |
| 06/19/2013 | CN203011260U Annular groove arranged in driving working face rack mass for enhancing explosion effect |
| 06/19/2013 | CN203011259U Automatic explosive pouring device for explosive device |
| 06/19/2013 | CN203011258U Explosive device probe caring apparatus |
| 06/13/2013 | WO2013082868A1 Electric detonator primer and method and device for connecting and controlling electric detonator |
| 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 | CN202994001U Spraying device for emulsion explosive loading |
| 06/12/2013 | CN202993999U Detonator explosion system based on electronic delay element |
| 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 | CN103148748A Bearing pressure adjustable plastic expansion pipe deep hole blasting control method |
| 06/12/2013 | CN103148747A Blasting method of shallow coal seam top plate |
| 06/12/2013 | CN101967976B Open pit mined-out area through hole plug and through hole plugging method thereof |
| 06/12/2013 | CN101228411B An explosives initiator, and a system and method for tracking identifiable initiators |
| 06/05/2013 | CN202974088U High-water-absorption resin water cannon mud |
| 06/05/2013 | CN202974087U Potential energy-storing and energy-accumulating deep hole blasting construction device |
| 06/05/2013 | CN103134403A Underwater energy-gathered blasting device and blasting method |
| 06/05/2013 | CN103134402A Stress slant symmetrical type deeply buried tunnel rock burst removing time-share blasting method |
| 06/05/2013 | CN103134401A Controlled impact rescue tool impact element |
| 06/05/2013 | CN102230769B Multi-row micro-differential roadbed deep hole blasting construction method |
| 06/05/2013 | CN102121809B Electronic detonator explosion network control device and control flow |
| 05/29/2013 | CN202956052U Experimental apparatus for simulating blasting of main haulage roadway in coal mine |
| 05/29/2013 | CN202956051U Detonating device for simulating tunneling of vertical shaft with square cross section |
| 05/29/2013 | CN103123247A Damping blasting method for steep dip small crossing angle layered surrounding rock small-distance tunnel excavation |
| 05/23/2013 | US20130125772 Non-energetics based detonator |
| 05/22/2013 | EP2593747A2 Timing module |
| 05/22/2013 | CN202947546U Multifunctional hydraulic remote control detonating vehicle |
| 05/22/2013 | CN202947545U Automatic explosion control system based on underground coal mine environment monitoring |
| 05/22/2013 | CN202947544U Light backward hopper turning type remote control blasting vehicle |
| 05/22/2013 | CN202947543U Coal mine rescue purpose explosive car flexible in putting mode and putting position |
| 05/22/2013 | CN202946189U Mobile remote control exploding trolley for coal mine rescue |
| 05/22/2013 | CN103115537A Digital electronic detonator detonating system capable of identifying positions of blast holes and control method of the same |
| 05/22/2013 | CN103115536A Digital electronic detonator large-scale priming system for engineering blasting and method thereof |
| 05/22/2013 | CN102519328B Stone drift driving method adopting technologies of water cutting and cut blasting |
| 05/21/2013 | CA2707053C Method and equipment for small-charge blasting |
| 05/15/2013 | CN202938727U Auxiliary hole driller |
| 05/15/2013 | CN202938726U Collecting-pulling type tamping bar for mine |
| 05/15/2013 | CN202938725U Detonating device for detonation |
| 05/15/2013 | CN202938724U High-efficiency primer suitable for hole mining roof borehole blasting |
| 05/15/2013 | CN103105108A Speed-adjustable pipe-transporting device for transporting and recovering explosive-transporting pipe |
| 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 | CN202924939U Explosive mixed loading truck |
| 05/08/2013 | CN103090754A Detonating cord clamp |
| 05/08/2013 | CN103090753A Mine-personnel-positioning and detonator-blasting system and blasting method |
| 05/08/2013 | CN103090752A Medium-length hole cutting and blasting method for slowly inclined orebody |
| 05/07/2013 | CA2596373C Electronic blasting system |
| 05/02/2013 | US20130104764 Explosive pressure activated switch |
| 05/01/2013 | CN103075938A Water stemming containing foaming agent |