| Patents for F42D 1 - Blasting methods or apparatus, e.g. for loading or tamping (4,148) |
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| 06/27/2012 | CN102519322A Blasting method based on joint control of hole inside energy accumulation blasting and smooth blasting |
| 06/27/2012 | CN102518442A Method for processing isolated stone groups in shield excavation karren section |
| 06/27/2012 | CN101666599B Novel digital electronic detonator supervisory system and supervisory method thereof |
| 06/21/2012 | WO2012082084A1 Rock and concrete breaking (demolition - fracturing - splitting) system |
| 06/21/2012 | WO2012081938A2 Detonation system of a non-electric detonator using a spark detonation apparatus and blasting construction method using same |
| 06/21/2012 | US20120152102 System for Protecting Surfaces against Explosions |
| 06/20/2012 | CN202281568U 一种增压引爆的爆炸装置 An explosive device detonated booster |
| 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 | CN102506621A Method for determining coal mine blasting mode based on principal vibration frequency of flood-control dam system |
| 06/20/2012 | CN102498810A Explosive column for blast soil loosening and fertilizer applying of fruit trees |
| 06/20/2012 | CN102030599B Fuse and exploder adopting same |
| 06/20/2012 | CN101619654B Pulse fracturing sand injector for horizontal wells |
| 06/19/2012 | CA2590045C Reliable propagation of ignition in perforation systems |
| 06/14/2012 | WO2012077084A1 Detonation of explosives |
| 06/14/2012 | WO2012077082A1 Detonation of explosives |
| 06/14/2012 | CA2820862A1 Detonation of explosives |
| 06/14/2012 | CA2820860A1 Detonation of explosives |
| 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 | CN102494576A Hole plugger for underground upward blast holes |
| 06/13/2012 | CN102494575A Efficient filling method for outdoor chamber blasting |
| 06/13/2012 | CN102494574A Combined blasting method of tunneling electronic detonator and detonator with shock-conducting tube |
| 06/13/2012 | CN102494573A Tunnel electronic detonator mounting, connecting and detonating method |
| 06/13/2012 | CN102494572A Blasting method for undermining and tunnelling in mode of distributing hollow holes at periphery and solid hole in center |
| 06/13/2012 | CN102494571A Construction method for damped blasting of tunnels |
| 06/13/2012 | CN102494570A Energy collecting blasting and smooth surface blasting combined control blasting method |
| 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 |
| 06/06/2012 | CN202267886U 一种控制数码电子雷管系统充电的编程器 A control digital electronic detonator system programmer charged |
| 06/06/2012 | CN202267418U 预裂爆破炮孔药卷居中限位装置 Presplit Blasting holes centered drug volume limit device |
| 06/06/2012 | CN202267417U 新式中继起爆具壳体 Initiating a new relay housing |
| 05/30/2012 | EP1842026B1 Data communication in electronic blasting systems |
| 05/30/2012 | CN202255148U Embrasure plugging device |
| 05/30/2012 | CN202255147U Pneumatic stemming forming device |
| 05/30/2012 | CN202255146U Stemming forming device |
| 05/30/2012 | CN202255145U Special truck for loading bulk emulsified bases in strip mine |
| 05/30/2012 | CN202255144U High-temperature-resistant blast hole loading structure |
| 05/30/2012 | CN202255143U Spaced loading structure of blasthole |
| 05/30/2012 | CN202255142U Blasthole explosion combined spacer |
| 05/30/2012 | CN202255141U Easy-precipitating blast hole blasting combined spacer |
| 05/30/2012 | CN202255140U Firing circuit component |
| 05/30/2012 | CN202255139U Delay detonating exploder for electric explosion network |
| 05/30/2012 | CN202255138U Delay electric initiator for initiation of shooting of oil well |
| 05/30/2012 | CN202255137U Novel detonating needle for blasting |
| 05/30/2012 | CN202255136U Detonating device |
| 05/30/2012 | CN202255135U Millisecond blasting V-shaped detonating circuit |
| 05/30/2012 | CN202255134U Hole-by-hole blasting circuit |
| 05/30/2012 | CN202255133U Short-delay blasting oblique blasting circuit |
| 05/30/2012 | CN202255132U Directional control blasting explosive shell |
| 05/30/2012 | CN202255131U Blast control module for mining blast |
| 05/23/2012 | CN101458055B Once detonation subsection delaying blasting digging method |
| 05/17/2012 | US20120123182 Devices for thermally induced transformations controlled by irradiation of functionalized fullerenes |
| 05/17/2012 | US20120118191 Deflagration to Detonation Transition Device |
| 05/16/2012 | EP2452155A1 Detonator connector and detonator system |
| 05/15/2012 | US8176848 Electronic blasting system having a pre-fire countdown with multiple fire commands |
| 05/15/2012 | CA2519246C Transportation of liquid products |
| 05/10/2012 | WO2012061850A1 Wireless blasting module |
| 05/10/2012 | WO2012059877A1 Connector |
| 05/10/2012 | US20120111216 Detonator |
| 05/10/2012 | CA2816289A1 Connector |
| 05/09/2012 | EP2229503B1 Apparatus and methods for controlling and communicating with downhole devices |
| 05/09/2012 | CN202216623U Directionally controlled blasting explosive cartridge |
| 05/09/2012 | CN202216622U Emulsion matrix and sensitizer conveying device |
| 05/09/2012 | CN102445117A V-notch blasting and smooth blasting combination control blasting procedure |
| 05/03/2012 | WO2012033470A3 In blasting, stemming blastholes by using plaster(gypsum plaster or moulding plaster) or plaster and limestone powder |
| 05/03/2012 | US20120109602 Blasting Method |
| 05/02/2012 | CN202209920U Detonating device of nonel tube |
| 05/02/2012 | CN102435114A Explosion vibration control construction method of advance and following expanding excavation method of lower large heading of tunnel |
| 05/02/2012 | CN102435113A Hole-blasting radial air interval charging device |
| 05/02/2012 | CN102435112A Underwater continuous pulse shock wave generator |
| 05/02/2012 | CN102434157A V-shaped groove top plate closing method for goaf area |
| 04/26/2012 | WO2012053923A1 Armored chamber for grinding worn tire casings |
| 04/25/2012 | CN202204414U 炮眼注水器 Blasthole injector |
| 04/25/2012 | CN202204413U 一种用于软管输送的摩擦轮式送管装置 Friction wheel for a hose pipe device to send delivery |
| 04/25/2012 | CN202204412U 半自动水炮泥注水装置 Semi-automatic water filling device stemming |
| 04/25/2012 | CN102425981A 巷道掘进炮眼定位导向装置及其使用方法 Apparatus and methods of using the Tunneling borehole positioning guide |
| 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 |
| 04/18/2012 | CN202195766U 散装炸药装填设备信息处理器 Bulk explosives loading equipment information processor |
| 04/18/2012 | CN202195765U 一种定向控制爆破炸药 As a directional control blasting explosives |
| 04/18/2012 | CN202195764U 爆炸物品智能起爆器 Smart explosives detonator |
| 04/18/2012 | CN202195763U 一种高起爆爆破药柱 A high-initiation Blasting Explosive |
| 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 |
| 04/11/2012 | CN202188798U 一种安全电子雷管起爆系统 A secure electronic detonator system |
| 04/11/2012 | CN102410794A Noncontact high-voltage electronic millisecond switch for exploder of coal mine |
| 04/05/2012 | WO2012018419A3 Electronic safe/arm system and methods of use thereof |
| 04/04/2012 | CN102401616A 立井爆破掘进方法 Shaft excavation blasting method |
| 04/04/2012 | CN102401615A Double-cable delay mechanism |
| 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 |
| 03/28/2012 | CN202177339U 一种输送乳化材料的水环装置 A water emulsion material conveying ring device |
| 03/28/2012 | CN202177338U 一种小型冲击波发生装置 A small shock wave generating means |
| 03/27/2012 | CA2617375C Interactive and/or secure activation of a tool |
| 03/21/2012 | CN202171421U 一种雷管起爆具 One kind of detonator with |
| 03/21/2012 | CN202171420U 导爆管网络起爆装置 Nonel network detonating device |
| 03/20/2012 | US8136449 Explosive powder plug and method of using the same |