| Patents for F42D 1 - Blasting methods or apparatus, e.g. for loading or tamping (4,148) |
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| 05/01/2013 | CN103075937A Overhead spiral explosive delivery device |
| 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 | CN103075933A Large-wedge-shaped multi-repeated cutting groove construction process |
| 05/01/2013 | CN102261875B Easy settling borehole explosion combined spacer |
| 05/01/2013 | CN101893414B Exploder |
| 04/25/2013 | WO2013059840A1 Signal tube connector |
| 04/25/2013 | US20130098257 Method of blasting |
| 04/25/2013 | CA2848607A1 Signal tube connector |
| 04/24/2013 | CN202903032U Positioning orientation pushing special device in tunnel orientation fracture explosion energy-gathered explosive package hole |
| 04/24/2013 | CN202903031U Pneumatic taper machine |
| 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 |
| 04/24/2013 | CN103063091A Deep-buried tunnel full-section millisecond blasting method |
| 04/24/2013 | CN103063089A Delay assembly capable of resisting temperature difference |
| 04/18/2013 | WO2013055239A1 Signal transmission tube with inverse initiation retention seal |
| 04/17/2013 | CN202885682U Mid-depth blast hole blasting spacing machine |
| 04/17/2013 | CN202885681U Delay powder agent automatic filling device |
| 04/17/2013 | CN102506621B Method for determining coal mine blasting mode based on principal vibration frequency of flood-control dam system |
| 04/17/2013 | CN102322772B Pre-splitting blasting hole cartridge centered limiting device |
| 04/17/2013 | CN102102969B Detonation network connection block with elastic card locking mechanism |
| 04/17/2013 | CN101995197B Interlocked digital display remote control exploder |
| 04/17/2013 | CN101738146B Gunpowder ignition temperature measuring device |
| 04/17/2013 | CN101709939B Initiation method of deep hole blasting for dismounting building |
| 04/11/2013 | US20130087062 Explosive nuclear fusion device |
| 04/10/2013 | EP1687584B1 Method of blasting multiple layers or levels of rock |
| 04/10/2013 | CN202869376U Multi-detonation-velocity-ammonium-nitrate-fuel-oil-explosive vehicle with long main screw conveyer and short main screw conveyer |
| 04/10/2013 | CN103033102A Carbon dioxide mining device |
| 04/10/2013 | CN102003921B Balance blasting method |
| 04/10/2013 | CN101793485B Armature-free explosive magnetic compression generator |
| 04/10/2013 | CN101529197B Methods and apparatuses for electronic time delay and systems including same |
| 04/04/2013 | WO2012177076A3 Coupling apparatus for precision explosive tubes |
| 04/03/2013 | CN202853507U Blasting explosive grain with anti-sliding mechanism |
| 04/03/2013 | CN202853506U Temperature difference resisting delay assembly |
| 04/03/2013 | CN202851068U Explosive carrying trolley and explosive conveying device applied to explosive filling trolley |
| 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 | CN103017621A Blasting method for reducing depletion in steeply inclined thin ore body recovery |
| 04/03/2013 | CN103017620A Controlled blasting construction method for rock foundation pit |
| 04/03/2013 | CN102032845B Portable mobile launch type ice slush blaster and ice slush blasting method |
| 04/03/2013 | CN101832743B Winze top-breaking blasting method |
| 04/03/2013 | CN101464114B On-line registration method for electronic detonator priming circuit |
| 03/28/2013 | WO2013044275A1 Detonator device communication |
| 03/28/2013 | WO2013044273A1 Detonator assembly |
| 03/28/2013 | CA2844836A1 Detonator device communication |
| 03/28/2013 | CA2844758A1 Detonator assembly |
| 03/27/2013 | CN202836384U Steel pipe pile foundation blasthole for trestle |
| 03/27/2013 | CN202836383U Mine heading cutting blast hole structure |
| 03/27/2013 | CN202836382U Explosive-conveying device for emulsion explosive mixed loading vehicle |
| 03/27/2013 | CN202836381U Safe detonating device |
| 03/27/2013 | CN202836380U High precision detonator blasting system based on electronic delay element |
| 03/27/2013 | CN202836366U Tamping bar used for deep-hole blasting powder charging |
| 03/27/2013 | CN102997768A Rock blasting method |
| 03/27/2013 | CN102997767A Field emulsion explosive mixing and charging system and charging method suitable for underground engineering |
| 03/27/2013 | CN102997766A Deep-hole pressure-relief blasting method |
| 03/27/2013 | CN102997765A Device and method of utilizing detonating pipes to buffer millisecond detonation damping |
| 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 | CN102003922B Capacity loaded magnetic flux compression generator with stator coil operating sectionally |
| 03/27/2013 | CN101408397B Intrinsic safety type electric detonator detonation system |
| 03/21/2013 | WO2012149277A3 Wireless detonators with state sensing, and their use |
| 03/20/2013 | EP2568838A1 Explosive initiator |
| 03/20/2013 | CN202814255U Inflator device for mine blasting |
| 03/20/2013 | CN202814254U Radial explosive charging device for water coupling blasting |
| 03/20/2013 | CN202814253U Blasting explosive charging structure in water accumulation hole or water seepage hole |
| 03/20/2013 | CN202814252U 装药台车 Charge trolley |
| 03/20/2013 | CN202814251U Mine blast hole filling machine |
| 03/20/2013 | CN202814250U Detonator connector |
| 03/20/2013 | CN202814249U Radial water non-coupling explosive device |
| 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 | CN102980452A De-noising and dust removal blast hole stemming method for drilling blasting of earth and stone in urban and rural areas |
| 03/20/2013 | CN101608885B Underwater drilling and blasting construction method of mountain river |
| 03/19/2013 | US8398175 Use of post-blast markers in the mining of mineral deposits |
| 03/19/2013 | CA2590093C Data communication in electronic blasting systems |
| 03/19/2013 | CA2589978C Wireless detonator assemblies, and corresponding networks |
| 03/13/2013 | EP2567183A2 Initiation device, blasting system and method of blasting |
| 03/13/2013 | CN202793199U Deep-hole elementary error control blasting system |
| 03/13/2013 | CN202793198U Downward blast hole blocking device |
| 03/13/2013 | CN202793197U Installation device for colliery roof-cutting pressure-relief gob-side entry retaining energizing blasting pipe |
| 03/13/2013 | CN102971602A Method of blasting |
| 03/13/2013 | CN102967191A Blasting method for treatment of gob |
| 03/13/2013 | CN102967190A Medium-length hole air isolation blasting method |
| 03/13/2013 | CN102042786B Controlled blasting construction method for shallow-buried large-section tunnel |
| 03/13/2013 | CN101806562B Electric detonator initiation control method and device used for tunnel geological forecast |
| 03/06/2013 | CN102954742A Method for using directionally controlled blasting explosive |
| 03/06/2013 | CN102954741A Directionally controlled blasting explosive |
| 03/05/2013 | US8387534 Detonation device comprising nanocomposite explosive material |
| 02/27/2013 | EP2561310A1 Improvements in or relating to cementitious compositions |
| 02/27/2013 | CN102944148A Mobile platform for the delivery of bulk explosive |
| 02/27/2013 | CN102944147A Waterpower pressurization blasting method |
| 02/27/2013 | CN101819012B Blasting device for low-temperature liquid storage tank |
| 02/26/2013 | US8381654 Explosive charging |
| 02/26/2013 | US8381653 Method and apparatus for charging an upwardly oriented hole with a pumpable material |
| 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 |