Patents for F42D 3 - Particular applications of blasting techniques (1,720) |
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04/12/2000 | EP0991912A1 Device for provoking an avalanche |
04/12/2000 | EP0991911A1 Device for provoking the collapse of a snow cornice |
04/12/2000 | CN2373776Y Energy-collecting blasting pipe capable of precision directional blasting and directional regulation rod |
03/16/2000 | WO2000000453A3 Pyrotechnic layer for targeted data destruction on data carriers |
03/14/2000 | US6035784 Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill hole |
03/08/2000 | EP0843774A4 Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting |
02/15/2000 | US6024169 Method for window formation in wellbore tubulars |
01/19/2000 | CN1241711A Demolition method utilizing hole with spiral recess |
01/06/2000 | WO2000000453A2 Pyrotechnic layer for targeted data destruction on data carriers |
01/05/2000 | EP0969263A1 Breakdown device |
01/05/2000 | EP0968984A1 Pyrotechnic layer for the targeted destruction of machine readable data on information carriers |
12/01/1999 | EP0740737A4 Method and apparatus for plasma blasting |
11/10/1999 | EP0955427A1 Discharge impact breaking device |
10/27/1999 | EP0951634A2 Method of breaking slabs and blocks of rock from rock formations and explosive shock transmitting and moderating composition for use therein |
10/02/1999 | CA2233756A1 Electric pulse blasting device |
09/29/1999 | CN2341115Y Instrument for arrangement of gun positions |
09/28/1999 | US5957540 Blasting positioning device |
08/04/1999 | EP0753096A4 Controlled fragmentation of hard rock by pressurization of the bottom of a drill hole |
07/14/1999 | CN1222949A Destroying apparatus and method, and holding member for use in that method |
07/14/1999 | CN1044113C Non-electric detonating system for coal mine |
07/08/1999 | WO1999020974A9 Detonating device for removing mine obstructions |
06/30/1999 | CN1221105A Blasting method controlled by middle solid elastic medium |
06/23/1999 | CN2325754Y Equipment for breaking medium using blasting produced high pressure water |
06/17/1999 | WO1999030044A1 Shear connector with a pyrotechnic heat and expulsion generator |
06/17/1999 | DE19754793A1 Verbundanker mit einem pyrotechnischen Heiz- und Austreibgenerator Composite anchor with a pyrotechnic heating and Austreibgenerator |
06/16/1999 | CA2557913A1 Blasting machine and method |
06/15/1999 | CA2188336C blasting positioning device |
05/27/1999 | WO1999026039A1 Method for artificially provoking an avalanche and device for implementing same |
05/20/1999 | WO1999024694A1 Method and device for crushing rock, manipulator to be used in such a device, assembly of a housing and a wire conductor placed therein, and assembly of a housing and a means placed therein |
05/19/1999 | EP0916786A1 Destroying apparatus and method, and holding member for use in that method |
05/06/1999 | EP0913664A2 Device for mounting a detonating cord in a horizontal filter well |
05/04/1999 | US5900578 Method of breaking slabs and explosive shock transmitting and moderating composition for use therein |
04/29/1999 | WO1999020974A2 Detonating device for removing mine obstructions |
04/28/1999 | CN2316626Y Explosive package cradle device for min |
04/21/1999 | CN2315523Y Controller for rock directional breaking blasting |
04/15/1999 | WO1998046943A9 Method and apparatus for containing and suppressing explosive detonations |
03/31/1999 | CN1212360A Blasting method reaming technique of raise raising by longhole method |
03/30/1999 | CA2054776C Method and device for cutting off tree trunks |
03/24/1999 | CN2311750Y Explosive jet-flow cutter for stone crude material exploitation |
03/23/1999 | US5884569 Method and apparatus for containing and suppressing explosive detonations |
03/18/1999 | WO1999012648A1 Breaking apparatus |
02/24/1999 | CN1208810A Equipment for blasting rock type materials |
02/16/1999 | US5872326 Apparatus for triggering an avalanche or the like |
01/28/1999 | WO1998030864A3 Blasting with shock absorbing gel |
01/07/1999 | WO1999000638A1 Device for provoking an avalanche |
01/07/1999 | WO1999000637A1 Device for provoking the collapse of a snow cornice |
01/07/1999 | CA2292810A1 Device for provoking the collapse of a snow cornice |
12/24/1998 | DE19748955C1 Implement for installing spray line in drinking water filter pipes |
12/03/1998 | WO1998054425A1 Destroying apparatus and method, and holding member for use in that method |
11/11/1998 | CN1198812A Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill hole |
11/11/1998 | CN1198794A Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting |
10/22/1998 | WO1998046943A1 Method and apparatus for containing and suppressing explosive detonations |
10/21/1998 | EP0872317A1 Discharge destroying method, discharge destroying device and method of manufacturing the same |
10/21/1998 | CN1196324A Mouldless explosive integral forming powdered particulate pot-type container technology |
10/01/1998 | WO1998043039A1 Breakdown device |
09/30/1998 | EP0866910A1 Apparatus and method for forming a window or an outline thereof in the casing of a cased wellbore |
09/22/1998 | US5810098 Method of breaking slabs and blocks of rock from rock formations and explosive shock transmitting and moderating composition for use therein |
09/08/1998 | US5803550 Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting |
08/26/1998 | CN1191587A Method and apparatus for blasting hard rock |
08/19/1998 | EP0858874A1 Discharge destroying device and method of discharge destroy |
08/11/1998 | US5792978 System for cleaning an obstacle-filled region of water |
08/11/1998 | US5791417 Tubular window formation |
08/04/1998 | US5789694 Breaking up of rock and the like |
07/23/1998 | WO1998031982A1 Method for dismantling technical objects, and the appropriate technical object for the application of same |
07/16/1998 | WO1998030864A2 Blasting with shock absorbing gel |
07/09/1998 | WO1998029622A1 Discharge impact breaking device |
07/07/1998 | US5777257 Apparatus for severing tubular members |
06/30/1998 | US5773750 Rock fragmentation system using gold schmidt method |
06/24/1998 | CN1185766A Discharge destroying method, discharge destroying device and method of manufacturing the same |
06/17/1998 | CN1185130A Discharge destroying device and method of discharge destroy |
05/27/1998 | EP0843774A1 Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting |
04/30/1998 | WO1998017965A1 Blasting positioning device |
02/26/1998 | WO1998007959A1 Method and device for crushing material by discharging pulsed electric energy and method and device for generating high-voltage pulse |
02/25/1998 | EP0824625A1 Method and apparatus for blasting hard rock |
01/20/1998 | US5709265 Wellbore window formation |
12/24/1997 | WO1997048967A1 Tool for placing an explosive cartridge under the soil surface |
12/17/1997 | CN1167906A Apparatus for triggering avalanche or the like |
11/30/1997 | CA2205947A1 Method for reuse of contaminated concrete |
10/01/1997 | EP0798536A2 Device for starting avalanches or the like |
09/24/1997 | CN1160191A Rock fragmentation system using gold schmidt method |
09/23/1997 | US5670737 Breaking up of rock and the like |
09/10/1997 | CN1035839C Controlled blasting and quarrying method for facing stone |
09/03/1997 | EP0587675B1 Method and means for driving pipes into the ground and cartridge used therefor and for subsequent pipe blasting |
07/22/1997 | US5650588 Method for setting blasting employing bar-like charge |
06/19/1997 | WO1997021903A1 Apparatus and method for forming a window or an outline thereof in the casing of a cased wellbore |
06/12/1997 | WO1997021068A1 Breaking or blasting or splitting of rock |
06/12/1997 | CA2239823A1 Breaking or blasting or splitting of rock |
06/11/1997 | CN1035131C Method for taking out broken drill bit in oil holl of nodular cast iron crankshaft |
06/10/1997 | US5636692 Casing window formation |
06/04/1997 | EP0777102A2 Rock fragmentation system using Gold-Schmidt method |
06/03/1997 | US5634691 Method for excavating a working face by blasting |
04/03/1997 | WO1997006402A3 Controlled small-charge blasting by explosive |
04/02/1997 | CN1146549A Cut shot method |
03/05/1997 | EP0542876B1 Controlled fracture method and apparatus for breaking hard compact rock and concrete materials |
02/20/1997 | WO1997006402A2 Controlled small-charge blasting by explosive |
02/20/1997 | WO1997006348A1 Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting |
02/20/1997 | DE19543534C1 Controlled gas explosion method to increase ground porosity |
02/20/1997 | CA2235676A1 Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting |
02/20/1997 | CA2228646A1 Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill hole |
02/06/1997 | WO1997003797A1 Discharge destroying device and method of discharge destroy |