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