| Patents for F42D 3 - Particular applications of blasting techniques (1,720) |
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| 07/04/2012 | CN101266123B Crushing station pit digging method |
| 07/04/2012 | CN101190857B High resolution ratio medicament for hypocenter charge column and producing method thereof |
| 07/03/2012 | US8210105 Method and device for detonating an explosive charge |
| 06/28/2012 | WO2011113408A3 Method for minimizing nitrogen oxide gases in underground mining and tunnel construction |
| 06/27/2012 | CN102519326A Coal mine dish region under-belt bottom lifting control blasting method |
| 06/27/2012 | CN102519325A Coal mine semi-coal-rock roadway smoothwall blasting method |
| 06/27/2012 | CN102519324A Presplitting blasting method for water holes close to high and steep slopes |
| 06/27/2012 | CN102518471A Rock burst energy releasing method of roadway of high stress area in coal mine |
| 06/26/2012 | US8205947 Method of breaking brittle solids |
| 06/20/2012 | CN102506623A Deep-hole and shallow-hole combined bench blasting method capable of reducing blasting boulder rate |
| 06/20/2012 | CN102506622A Full-face blasting vibration control construction method for tunnel electronic millisecond electric detonator |
| 06/20/2012 | CN102498810A Explosive column for blast soil loosening and fertilizer applying of fruit trees |
| 06/20/2012 | CN101737049B Multi-working face circulating development driving production organization method |
| 06/20/2012 | CN101619654B Pulse fracturing sand injector for horizontal wells |
| 06/14/2012 | US20120145027 Explosives container and method |
| 06/13/2012 | CN202274827U Brine coupling kerf pipe loading structure applied to smooth blasting |
| 06/13/2012 | CN202274826U 岩石爆破炮孔装药结构 Rock blasting blast hole charging structure |
| 06/13/2012 | CN102494577A Blasting and dismantling special local protecting method of building |
| 06/13/2012 | CN102494569A Comprehensive blasting method of explosive pot explosive packages and prolonging explosive packages and capable of reducing blasting chunk rate |
| 06/13/2012 | CN102493806A Mechanized continuous mining method for wall-type gentle-inclined thin ore body |
| 06/09/2012 | CA2761332A1 Fireworks device with secured firing device |
| 06/09/2012 | CA2761330A1 Fireworks device with protective cover |
| 06/07/2012 | WO2012025704A3 Directional gas pressure device |
| 05/30/2012 | CN202255149U Cutting device |
| 05/30/2012 | CN202255142U Blasthole explosion combined spacer |
| 05/30/2012 | CN202247902U Millisecond controlled blasting demolishing structure for foundation pit inner support beam |
| 05/30/2012 | CN202239882U Underwater energy-accumulating blasting external cutting device |
| 05/30/2012 | CN101824986B Coal mining process of drilling, loading, conveying and anchoring integral machine |
| 05/30/2012 | CN101611267B Tracking system for blast holes |
| 05/23/2012 | CN101458055B Once detonation subsection delaying blasting digging method |
| 05/09/2012 | CN102445117A V-notch blasting and smooth blasting combination control blasting procedure |
| 05/03/2012 | WO2012015193A3 Ammonium nitrate fuel oil explosive filling case and method for rock blasting using same |
| 05/03/2012 | US20120109602 Blasting Method |
| 05/02/2012 | CN102435114A Explosion vibration control construction method of advance and following expanding excavation method of lower large heading of tunnel |
| 04/25/2012 | CN202204409U 破冰弹 Icebreaker bomb |
| 04/25/2012 | CN101545746B 前偏心不耦合装药的光面爆破施工方法 Smooth blasting eccentric decouple charge of the construction method |
| 04/19/2012 | WO2012048368A1 A blasting method for beneficiating minerals |
| 04/19/2012 | CA2814209A1 A blasting method for beneficiating minerals |
| 04/18/2012 | CN202195762U Opening device of split type emergency channel entrance |
| 04/18/2012 | CN202195761U Integral emergency passage entrance opening device |
| 04/18/2012 | CN102419139A 一种带钢混结构人工假顶的无底柱分段崩落法 Sublevel caving a prosthetic roof with reinforced concrete structure |
| 04/04/2012 | CN102032844B 复合地层盾构隧道封闭岩体爆破方法 Composite stratigraphic closure rock blasting Shield Tunnel |
| 03/28/2012 | EP2147277B1 Loading of explosives |
| 03/22/2012 | WO2012035215A1 Projectile for avalanche triggering |
| 03/22/2012 | WO2011129676A3 Electronically-activated industrial pyrotechnic device for splitting rocks in sensitive areas |
| 03/21/2012 | CN102383728A Coal mine rockburst defect segmentation and control method |
| 03/20/2012 | US8136449 Explosive powder plug and method of using the same |
| 03/20/2012 | CA2486996C Method for controlling initiation of a detonator |
| 03/14/2012 | CN202166366U 便携式散装乳化基质装填设备 Portable bulk emulsion base loading equipment |
| 03/14/2012 | CN102373931A Cyclone heading machine |
| 02/22/2012 | CN102359378A Coal blasting production method increasing lump coat rate |
| 02/22/2012 | CN102359377A Three-dimensional zoned collaborative caving mining method for pillar groups |
| 02/08/2012 | EP2416109A1 Blasting method and blasting device |
| 02/08/2012 | EP2416108A1 Blasting treatment method and blasting treatment device |
| 02/08/2012 | EP2416107A1 Blast treatment method and blast treatment device |
| 02/08/2012 | EP2416106A1 Blasting method and blasting device |
| 02/08/2012 | EP2416105A1 Blasting method and blasting device |
| 02/08/2012 | CN202141401U 炮孔填塞机 Blasthole packing machine |
| 02/08/2012 | CN101619007B 用于非爆炸性金属管环形切割装置的装药单元及制备方法 Charge unit and a preparation method for non-explosive metal pipe cutting device ring |
| 02/02/2012 | WO2012015193A2 Ammonium nitrate fuel oil explosive filling case and method for rock blasting using same |
| 02/01/2012 | CN102338601A Shot hole single-shot shock-absorbing blast construction method applied to tunnel wedge cut |
| 01/25/2012 | EP2410286A1 Blasting method and blasting device |
| 01/25/2012 | EP2410285A1 Blasting method and blasting device |
| 01/25/2012 | CN102331212A Loss and dilution controlled blasting method for open metal mine |
| 01/24/2012 | CA2468576C A blast movement monitor and method for determining the movement of a blast movement monitor and associated rock as a result of blasting operations |
| 01/19/2012 | DE10018872B4 Übertragungsladung Transfer charge |
| 01/18/2012 | CN202119336U Color powder launching device for ceremony |
| 01/18/2012 | CN102322773A Ultra long blast hole detection method |
| 01/17/2012 | US8099240 Blasting method |
| 01/11/2012 | CN202109843U Static pressure blasting experiment device |
| 01/11/2012 | CN102317735A Cartridge for breaking rock |
| 01/10/2012 | US8091479 Fluid blade disablement tool |
| 01/10/2012 | US8091478 System and method for electronically discriminating a target |
| 01/04/2012 | CN102305581A Method for realizing vibration reduction in tunnel cut blasting by using digital detonators |
| 01/04/2012 | CN102305580A Method for implementing full-face smooth blasting construction by using digital detonators |
| 01/04/2012 | CN102305073A Sill pillar staged caving stoping method with single drift creasing structure |
| 12/28/2011 | CN102296957A 冲击地压煤层巷道掘进时的一炮贯通卸压法 A gun through the decompression method rockburst when roadway excavation |
| 12/28/2011 | CN101799261B 一种基坑开挖的布孔及爆破方法 One kind of cloth excavation and blasting holes |
| 12/21/2011 | EP2396621A1 Method of blasting |
| 12/21/2011 | CN102288076A 深孔区间爆破控制巷道底臌的方法 Deep interval blasting floor heave control methods |
| 12/21/2011 | CN102287198A 一种过江盾构隧道破碎地层联络通道的施工方法 A river Shield Tunnel Construction Methods broken formations liaison channels |
| 12/21/2011 | CN102287195A 浅埋暗挖大跨度隧道下穿既有高速铁路施工方法 Shallow Mining through existing high-speed railway tunnel construction method of large span |
| 12/21/2011 | CN101368812B 核岛负挖环廊预裂爆破方法 Nuclear island negative dig Huanlang Presplit blasting |
| 12/14/2011 | CN102278926A 一种井下自动装药机 A downhole Automatic Charge Machine |
| 12/14/2011 | CN102278128A 一种高水平应力不良岩层巷道支护工艺 One kind of high levels of stress bad rock roadway process |
| 12/14/2011 | CN101302933B 一种岩巷综合机械化开拓作业的开拓方法 A pioneering rock roadway mechanized method to develop jobs |
| 12/13/2011 | US8074737 Wireless perforating gun initiation |
| 12/08/2011 | DE102011015052A1 Kartuschensystem für patronierte Sprengstoffe Cartridge system for explosives cartridged |
| 12/07/2011 | EP2391864A1 Selective control of wireless initiation devices at a blast site |
| 12/07/2011 | EP1848960B1 Security enhanced blasting apparatus with biometric analyzer and method of blasting |
| 12/07/2011 | CN102269554A 利用硐室爆破技术形成覆盖层处理地下矿山采空区的方法 Use of chamber blasting techniques to form overlay approach underground mine goaf |
| 12/01/2011 | WO2011127491A3 A rock breaking product |
| 11/30/2011 | CN102261874A 一种岩巷大断面一次性爆破方法 Tunnel Section one-time rock and blasting |
| 11/30/2011 | CN102261873A Split opener for emergency channel entrance |
| 11/30/2011 | CN102261249A 一种带钢混结构人工假顶的挑檐式无底柱阶段崩落采矿法 Cornice style Pillarless stage a false roof with reinforced concrete artificial caving mining method |
| 11/30/2011 | CN102261248A 一种挑檐式结构的无底柱阶段崩落采矿法 Pillarless phase structure of a cornice caving mining method |
| 11/24/2011 | WO2011145341A1 Method for cleaning inside of pressure tight container for blasting treatment |
| 11/23/2011 | CN102252570A Pit rock blasting excavation construction method |
| 11/17/2011 | US20110277656 Explosive Powder Plug and Method of Using the Same |
| 11/16/2011 | CN101864961B Method for actively preventing and controlling rock burst |