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