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