Patents
Patents for F42D 3 - Particular applications of blasting techniques (1,720)
03/2004
03/24/2004CN2607556Y Special presplitting blasting device
03/23/2004US6708619 Cartridge shell and cartridge for blast holes and method of use
03/09/2004US6701818 Method for seismic exploration of a remote site
02/2004
02/24/2004US6694886 Rigid reactive cord and methods of use and manufacture
02/12/2004WO2004012912A2 Handheld tool for breaking up rock
02/12/2004US20040026548 Crushing apparatus electrode and crushing apparatus
02/11/2004CN1474930A Drillhole blasting
01/2004
01/15/2004US20040007911 Apparatus and method for fracturing a hard material
01/02/2004EP1375004A1 Crushing apparatus electrode and crushing apparatus
12/2003
12/10/2003CN1461239A Curshing apparatus electrode and crushing apparatus
11/2003
11/25/2003US6651564 High energy explosive for seismic methods
11/12/2003EP1360455A1 Method of blasting
11/11/2003US6644203 Explosive device and method of using such a device
11/05/2003EP0843774B1 Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting
10/2003
10/30/2003DE29924521U1 Device for penetrating brickwork comprises housing containing two or more even-symmetrical hollow charges of explosive which produce cutting effect
10/29/2003CN2583616Y Explosive column shell of seismic focus
10/29/2003CN1125968C Explosive forming process of underground fixed wall reservoir
10/23/2003US20030196544 Temporary connection and pyrotechnic separation device for two elements, without breakage
10/22/2003EP1355120A1 Device for provisionally connecting and pyrotechnically separating two elements, with no rupture
10/14/2003US6631684 Rock blasting method using air bladders embedded in loading layers
10/14/2003CA2088924C Controlled fracture method and apparatus for breaking hard compact rock and concrete materials
10/08/2003CN1447923A High energy explosive for seismic methods
09/2003
09/04/2003WO2003073035A2 A three-stage collapsible explosive entry device
08/2003
08/27/2003EP1338758A1 Apparatus and method for fracturing a hard material
08/27/2003CN1119621C Method of blasting rock using air tubes charged in blasthole
08/20/2003EP1336074A1 Drillhole blasting
08/20/2003EP0866910B1 Apparatus and method for forming a window or an outline thereof in the casing of a cased wellbore
07/2003
07/24/2003WO2003060421A1 Explosive pressure wave concentrator
07/24/2003WO2003060419A1 Method of and apparatus for breaking rock
07/24/2003CA2472132A1 Explosive pressure wave concentrator
07/23/2003CN1431455A Notch blasting method
07/09/2003CN2559959Y High-detonation velocity antiwater seismic focus explosive column
07/09/2003CN1114088C Explosion method for demolishing cofferdam
07/01/2003US6584773 Projectiles to trigger avalanches
06/2003
06/25/2003EP0842391B1 Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill hole
06/18/2003EP1175588A4 Projectile launching apparatus
06/04/2003CN1422379A Cartridge shell and cartridge fo blast holes and method of use
06/04/2003CN1110686C Directional cutting control explosion method
06/03/2003CA2202236C Apparatus for triggering an avalanche or the like
05/2003
05/07/2003EP1307765A2 High energy explosive for seismic methods
05/02/2003EP1306642A2 Blasting cartridge for a rapidly expanding metallic mixture
04/2003
04/24/2003WO2003033991A1 Method for carrying out drilling and blasting in watered masses
04/24/2003US20030075068 Structure of capsule for rapidly expanding metallic mixture
04/02/2003EP1297298A1 Avalanche triggering projectile
03/2003
03/18/2003US6532874 Method of blasting bench of rock with improved blasting efficiency and reduced blasting nuisance
03/13/2003US20030047312 Drill pipe explosive severing tool
03/12/2003EP1031008B1 Method for artificially provoking an avalanche and device for implementing same
03/11/2003US6530325 Method of scrapping steel structures
02/2003
02/19/2003CN1397783A Explosion method
02/05/2003EP1281039A1 Cartridge shell and cartridge for blast holes and method of use
01/2003
01/30/2003US20030019383 Method of blasting bench of rock with improved blasting efficiency and reduced blasting nuisance
01/22/2003CN1099506C Directional blasting and sliding process of under water sludge and soft base
01/16/2003WO2003004797A1 Method for demolishing concrete structures provided with internal reinforcing
01/16/2003US20030010245 Method of scrapping steel structures
01/14/2003US6505559 Well bore cutting and perforating devices and methods of manufacture
01/13/2003WO2002083312A1 Crushing apparatus electrode and crushing apparatus
01/13/2003CA2416034A1 Crushing apparatus electrode and crushing apparatus
12/2002
12/31/2002US6499406 Blasting apparatus for forming horizontal underground cavities and blasting method using the same
12/19/2002WO2002101196A1 A method of excavating a hard material body
12/18/2002EP1029151B1 Method and device for crushing rock
12/11/2002CN1095982C Method and apparatus for removing obstructions in mines
11/2002
11/21/2002DE4235018C2 Verfahren und Vorrichtung zum Vergrämen von Wasserlebewesen Method and apparatus for aversive conditioning of aquatic organisms
11/14/2002WO2002006855B1 High energy explosive for seismic methods
11/13/2002EP1204841A4 Three dimensional multi-phase tunneling method and equipments thereof
11/13/2002EP1181496A4 Cartridge and charging system incorporating same
10/2002
10/23/2002CN1375681A Energy-saving demolition mining method adopting columnar cartridge
10/23/2002CN1375680A Rock stepped blasting method of increasing blasting efficiency and reducing blasting damage
10/10/2002WO2002054005A3 Blasting apparatus for forming horizontal underground cavities and blasting method using the same
10/02/2002CN2514305Y Rock blasting splitting pipe
10/01/2002US6457778 Electro-power impact cell for plasma blasting
10/01/2002US6457416 Method and apparatus for removing obstructions in mines
09/2002
09/26/2002WO2002075115A1 A method of sinking a shaft
09/24/2002US6454359 Method for blasting tunnels using an air bladder
09/17/2002CA2350332C Method of blasting rock using air tubes charged in a blasthole
09/11/2002CN1369055A Three dimensional multi-phase tunneling method and equipment thereof
09/06/2002WO2002006855A3 High energy explosive for seismic methods
09/05/2002US20020121214 Avanlanche triggering projectile
09/05/2002US20020121213 Method and apparatus for removing obstructions in mines
08/2002
08/20/2002US6438191 Explosive scabbling of structural materials
08/20/2002US6435096 Method and apparatus for controlled small-charge blasting by decoupled explosive
08/14/2002CN1363758A Explosion implement and method for excavating horizontal underground caves
08/13/2002US6431074 Blasting apparatus, blasting method and retainer member used for the blasting method
08/07/2002EP1228341A2 Explosive device and method of using such a device
07/2002
07/25/2002WO2002057707A1 Method of blasting
07/17/2002EP1223304A2 Apparatus and method for forming a window or an outline thereof in the casing of a cased wellbore
07/11/2002WO2002054005A2 Blasting apparatus for forming horizontal underground cavities and blasting method using the same
07/11/2002US20020088364 Method of and system for destabilization and destruction of dangerous atmospheric phenomena mainly tornado.
07/10/2002EP1221016A1 Hollow charge explosive device particularly for avalanche control
07/10/2002CN1357672A Explosive forming process of underground fixed-wall reservoir
07/09/2002US6415717 Line charge assembly and system for use in shallow-water clearing operations
07/09/2002US6415716 Line charge assembly and system for use in shallow-water clearing operations
07/04/2002US20020083860 Blasting apparatus for forming horizontal underground cavities and blasting method using the same
06/2002
06/25/2002US6408761 Blasting apparatus
06/13/2002US20020070600 Three dimensional multi-phase tunneling method and equipments thereof
06/06/2002WO2001002797A3 Explosive device and method of using such a device
05/2002
05/30/2002WO2002042711A1 Drillhole blasting
05/29/2002CN1351703A Projectile firing apparatus
05/22/2002CN2492829Y Water stoma burst unit for mine
05/22/2002CN1350632A Cartridge and charging system incorporating same
05/21/2002US6389973 Fusion, vaporization
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18