Patents
Patents for F42D 3 - Particular applications of blasting techniques (1,720)
05/2009
05/20/2009CN201242402Y Rope for incising broken wall
05/12/2009US7530397 Explosive pipe severing tool
05/07/2009US20090119078 Blasting Method
05/06/2009EP2054694A1 Connector for detonator, corresponding booster assembly, and method of use
05/06/2009CN201232367Y Recoiling prevention steel support
05/06/2009CN101424503A Rim angle excavation method by blasting for natural side hill
04/2009
04/29/2009CN101419041A Deep hole blasting process in frost weathering bedrock segment
04/29/2009CN101419040A Deep hole blasting method in large aperture composite undermine
04/28/2009CA2350790C Well bore cutting and perforating devices and methods of manufacture
04/22/2009CN201225863Y Tool for detonating step hole
04/22/2009CN101413774A Method for determining chamber blasting optimum thickness of wide span dead zone top plate and blasting method thereof
04/08/2009CN201218055Y Explosive anti-floating apparatus for desert drill rig
04/08/2009CN101403304A Large dead zone residual ore recovery method
03/2009
03/26/2009WO2009037381A1 Method and software product for designing drilling pattern for rock cavity excavation
03/26/2009CA2698692A1 Method and software product for designing drilling pattern for rock cavity excavation
03/25/2009CN201212800Y Environment protecting dustproof apparatus for building blasting
03/19/2009US20090071320 Separable structure material method
03/05/2009WO2008139413A4 Loading of explosives
02/2009
02/18/2009CN101368812A Nuclear island negative excavation ring corridor presplit blasting method
02/18/2009CN101368811A Tunnel excavation smooth blasting method
02/18/2009CN101368472A Method for accurately positioning and orienting drill hole of top arch
02/18/2009CN100462664C Explosion method
02/12/2009US20090038846 Perforating gun
02/11/2009CN101363321A Application method for horizontal V-shaped tunnel face for digging tunnel
02/11/2009CN101363312A Removing method for drill head broken in drill by explosion
01/2009
01/28/2009CN101353963A Vacant field coal excavating method of high-dipping coal bed slotted hole blasting unmanned operation working face
01/28/2009CN100455978C Bidirectional energy gathering tension shaping blasting cartridge
01/27/2009US7481166 Heat insulating container for a detonator
01/21/2009CN101349533A Dip laneway digging hole layout mode
01/14/2009EP2013566A1 Wireless electronic booster, and methods of blasting
01/14/2009EP2013565A1 Methods of controlling components of blasting apparatuses, blasting apparatuses, and components thereof
01/14/2009EP2013563A2 High density perforating gun system producing reduced debris
01/14/2009CN100451533C Mine intelligent explosion management system
01/07/2009CN101338999A Method for blasting seepage enhancement for low infiltration sandrock -type uranium deposit
01/07/2009CN101338674A Non-pillar sublevel caving mining method for direct loading for ore
12/2008
12/31/2008EP2008054A2 A system and method for ignition of a gaseous or dispersive fuel-oxidant mixture
12/31/2008EP2008026A2 A system and method for generating and directing very loud sounds
12/31/2008CN101334255A A propellant cartridge
12/24/2008CN101328809A Non-bottom pillar deep hole falling-back type mining method
12/11/2008WO2008148544A1 A device, charging unit and method of filling a borehole with an explosive material
12/11/2008CA2690037A1 A device, charging unit and method of filling a borehole with an explosive material
12/10/2008EP2000764A1 A device, charging unit and method of filing a borehole with a explosive material
12/10/2008CN201163298Y Complex earth surface exploration earth surface shock-absorbing seismic source
12/10/2008CN101319862A Novel horizontal trenching and vertical deep borehole initiation method for deep concave strip mine
12/04/2008WO2008147291A1 Warhead
12/04/2008WO2008147290A1 Warhead
12/04/2008WO2008144846A1 An inflatable void former for use in explosives boreholes
12/04/2008WO2008144811A1 Use of post-blast markers in the mining of mineral deposits
12/04/2008CA2687488A1 Use of post-blast markers in the mining of mineral deposits
12/03/2008CN101314990A Method for dynamiting buildings
11/2008
11/26/2008CN100437014C Explosion reshaping treatment method for primary slow sideslope
11/20/2008WO2008139413A1 Loading of explosives
11/20/2008WO2008138070A1 Electronic blasting with high accuracy
11/20/2008US20080282925 Electronic blasting with high accuracy
11/20/2008CA2685484A1 Electronic blasting with high accuracy
11/20/2008CA2684654A1 Loading of explosives
11/19/2008CN101308007A Synchronization control processing method and system
11/12/2008CN101302933A Method for developing rock lane comprehensive mechanization developing operation
11/12/2008CN101302932A Method for underground chamber digging and laneway opening digging
11/12/2008CN101302931A Method for extracting rim angle coal and re-extracting after warehouse coal extracting
10/2008
10/30/2008WO2008100347A3 Self-stemming cartridge
10/22/2008CN100427873C Cartridge shell and cartridge fo blast holes and method of use
10/16/2008WO2008124562A2 Modular time delay for actuating wellbore devices and methods for using same
10/16/2008CA2682910A1 Modular time delay for actuating wellbore devices and methods for using same
10/09/2008US20080245255 Modular time delay for actuating wellbore devices and methods for using same
10/09/2008US20080245254 Method Of Blasting
10/02/2008US20080236433 Rock Drill and Method of Breaking Rock
09/2008
09/25/2008WO2008114899A1 Rock-blasting method for constructing the base of a power transmission tower
09/25/2008US20080230477 Blast chamber, explosive, and detonator; displacement of piston
09/24/2008CN101270967A Stress-relief blasting method
09/17/2008CN101266123A Crushing station pit digging method
09/10/2008CN101261104A Crack rock laneway molding control method
09/10/2008CN101260807A Rock laneway primary blasting and delayed concrete-spraying technology
09/03/2008CN101256065A Safety rapid processing technique for strong zhiji rock burst
08/2008
08/26/2008US7418373 Blasting method
08/21/2008WO2008098302A1 Method of communication at a blast site, and corresponding blasting apparatus
08/21/2008CA2677828A1 Method of communication at a blast site, and corresponding blasting apparatus
08/21/2008CA2666645A1 Self-stemming cartridge
08/16/2008CA2578936A1 The system to fight a tornado
08/13/2008EP1955007A1 A voice controlled blasting system
08/07/2008WO2008092282A1 Rock-blasting cartridge and blasting method
08/07/2008DE102007005752A1 Molding tool producing method for producing e.g. plastic skin, involves deeply and less deeply impressing shaping surface by detonated explosive layer, where negative mold is thin-walled and thick-walled, respectively
08/06/2008CN100409030C Hydraulic leather bag type controllable focus device
08/05/2008US7406918 Method of blasting
07/2008
07/24/2008US20080173201 Method for controlling initiation of a detonator
07/22/2008CA2415451C Hollow charge explosive device particularly for avalanche control
07/09/2008CN100401008C Water pressure burst hole and burst method with energy saving and environment friendship
07/08/2008US7395760 Device, system and method for on-line explosive deslagging
07/03/2008WO2008078002A1 Designing drilling pattern for excavating rock cavern
07/03/2008CA2670078A1 Designing drilling pattern for excavating rock cavern
07/02/2008CN101210792A Method for controlling mine rock blasting slungshot and steel chain net for covering blast hole
06/2008
06/26/2008WO2008074071A1 Tracking system for blast holes
06/26/2008CA2674743A1 Tracking system for blast holes
06/17/2008US7387071 Blasting method and blasting accessory
06/04/2008CN201069346Y Shallow explosion non electric start explosion device
06/04/2008CN101191416A Rock lane digging method
06/04/2008CN101190857A High resolution ratio medicament for hypocenter charge column and producing method thereof
05/2008
05/28/2008CN100390495C Technology method of artificial frozen soil control blasting by deep surface forzen method
05/06/2008US7367631 Method of and apparatus for breaking rock
05/06/2008CA2439414C Cartridge shell and cartridge for blast holes and method of use
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