Patents
Patents for F42D 5 - Safety arrangements (1,252)
02/1987
02/17/1987US4643097 Shaped charge perforating apparatus
01/1987
01/29/1987WO1987000453A1 Detonation coating device
01/07/1987CN86104635A 爆炸补偿器 Explosion compensator
12/1986
12/30/1986US4632041 For containing high pressure and fragments produced by an explosion
12/17/1986EP0204863A1 Improved method for explosive blast control
09/1986
09/03/1986CN85109355A Detector for detecting danger of advanced explosion in electric dynamite
05/1986
05/20/1986US4589341 Method for explosive blast control using expanded foam
10/1985
10/01/1985US4543872 Blast attenuator
09/1985
09/24/1985CA1193963A1 Positive fire indicator perforating system
05/1985
05/29/1985EP0142717A1 Blasting device for precision blasting
02/1985
02/12/1985US4498391 Explosive mine breaking apparatus with arc-suppressing heat-dissipating fluid around the charge bodies
01/1985
01/15/1985US4493239 Range clearance by enhancing oxidation of ferrous ordnance in-situ
12/1984
12/27/1984EP0129350A2 Method and apparatus for detecting firing of perforating gun
10/1984
10/23/1984US4478350 Spherical container or chamber
10/23/1984US4478294 Positive fire indicator system
10/23/1984CA1176571A1 Blast attenuator
07/1984
07/25/1984EP0114103A2 Positive fire indicator perforating system for wells
05/1984
05/30/1984EP0109804A1 Flame arrestor device with porous membrane
04/1984
04/24/1984US4444109 Flame arrestor device with pourous membrane
02/1984
02/21/1984US4432285 Bomb blast attenuator
02/21/1984US4432268 Detonation cut-off device
01/1984
01/31/1984US4428440 In a well perforating apparatus
07/1983
07/12/1983US4392412 Gaseous blast reducer
06/1983
06/28/1983US4389947 Blast suppressive shielding
12/1982
12/14/1982US4363678 Explosives having powdered ferrite magnet as a tracer dispersed therethrough and a method for producing the same
12/07/1982CA1136824A1 Building for detonating explosives
11/1982
11/09/1982US4357882 Building for detonating explosives
09/1982
09/07/1982US4347796 Blast suppressive shielding
06/1982
06/22/1982CA1126369A1 Delay blaster
04/1982
04/27/1982US4326468 Blast suppressive shielding
04/20/1982US4325309 Blast suppressive shielding
02/1982
02/16/1982US4315463 Blasting mat
05/1981
05/06/1981EP0028141A1 Building for detonating explosives
04/1980
04/30/1980EP0010146A1 Method of covering blastable objects
03/1980
03/11/1980CA1073265A1 Equipment with initiator generating a shock wave and with a damping device
02/1980
02/12/1980US4187758 Bomb container with gravity-closed internal door
11/1979
11/20/1979US4174624 Tank for explosive forming
10/1979
10/23/1979CA1064773A1 Tank for explosive forming
04/1979
04/17/1979US4149447 Multi-effect passive detonation trap
01/1979
01/02/1979US4132171 Apparatus for detonating an explosive charge
12/1978
12/19/1978CA1044513A1 Blasting mat
07/1978
07/18/1978US4100783 Installation for explosion machining of articles
07/11/1978US4099464 Shaped explosive charge casing
04/1978
04/25/1978US4085883 Installation for explosive treatment of materials
04/04/1978US4081982 Plant for explosion working of materials
03/1978
03/21/1978US4079612 Arrangement for explosion treatment of materials
12/1977
12/20/1977US4063510 Process for detecting a misfired explosive
06/1977
06/07/1977US4027601 Container for explosive device
11/1976
11/30/1976US3994201 Separating element
11/16/1976US3991680 Tagging explosives with sulfur hexafluoride
03/1976
03/23/1976US3945319 Blasting mat
03/16/1976US3943853 Blasting mats
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