Patents
Sitemap › F42 - Ammunition; Blasting › F42D - Blasting › F42D 1 - Blasting methods or apparatus, e.g. for loading or tamping
Patents for F42D 1 - Blasting methods or apparatus, e.g. for loading or tamping (4,148)
07/1984
07/24/1984CA1171319A1 Non-electric blasting assembly
07/18/1984EP0113549A1 Impedance sensor
07/03/1984US4457383 High temperature selective fire perforating gun and switch therefor
06/1984
06/19/1984US4454814 Select-fire systems and methods for perforating guns
05/1984
05/29/1984US4451867 Electrically actuable ignition assembly
05/23/1984EP0109161A2 Blasting-cartridge case
05/23/1984EP0109067A1 Process and apparatus for breaking up hard compact material
05/15/1984CA1167317A1 Method and apparatus for initiating an explosive in a hole including alignment and urging means for inserting detonator
05/02/1984EP0107534A1 Explosive charge with multipoint initiation, and process for its manufacture
04/1984
04/17/1984US4442776 Detonator block
04/10/1984US4441427 Liquid desensitized, electrically activated detonator assembly resistant to actuation by radio-frequency and electrostatic energies
04/03/1984US4440087 Firing initiating device
03/1984
03/27/1984US4438699 Method for remote positioning of explosive charges in mining voids
03/20/1984CA1163859A1 Firing initiating method and device
03/06/1984CA1163278A1 Demolition-facilitating substance
02/1984
02/14/1984CA1162088A1 Device for charging drillholes
01/1984
01/31/1984CA1161530A1 Sequential initiation of explosions
01/31/1984CA1161302A1 Primer assembly
01/24/1984US4426933 Non-electric blasting assembly
01/18/1984EP0098779A2 A single-wire selective perforation system having firing safeguards
01/17/1984US4425849 For initiating explosives in a vertical borehole
01/10/1984US4424747 Non-electric blasting assembly
01/03/1984US4423682 One-way explosive transfer assembly
12/1983
12/27/1983US4422378 Means for and a method of initiating explosions
12/21/1983EP0096482A2 Apparatus for initiating explosions and method therefor
12/13/1983US4419935 Explosive charging apparatus for charging explosive pellets to a bore in a rock
12/13/1983US4419933 Apparatus and method for selectively activating plural electrical loads at predetermined relative times
11/1983
11/15/1983US4414901 Explosive device including an ignition circuit monitor
11/01/1983US4412493 Explosive logic safing device
10/1983
10/25/1983CA1155689A1 Borehole charging method
10/18/1983US4409897 Apparatus & method for selectively activating plural electrical loads at predetermined relative times
10/18/1983CA1155338A1 Non-electric delay blasting method
10/04/1983CA1154630A1 Binary electroexplosive device
09/1983
09/27/1983US4406226 Non-electric delay blasting method
09/20/1983US4404910 Multichannel connection and method for transmitting pyrotechnic orders
09/14/1983EP0088516A1 An electrically activated detonator assembly
07/1983
07/19/1983CA1150106A1 Field-connected explosive booster for propagating a detonation in connected detonating cord assemblies containing low-energy detonating cord
07/19/1983CA1150104A1 Non-electric delay detonator with percussion -sensitive ignition charge in spacing between deformable shell and rigid metal capsule
07/19/1983CA1150100A1 Field-primable chub cartridge having a longitudinal threading tunnel integral therewith
07/06/1983EP0083165A2 Non-electric blasting assembly
06/1983
06/07/1983CA1147595A1 Device in blasting cap for low-energy fuse
05/1983
05/24/1983CA1146807A1 Device for transmitting an explosive signal including a self-oxidizing material within an elongated tube
05/17/1983US4383484 Primer assembly
05/10/1983US4382410 Explosive blasting method and means
05/03/1983CA1145795A1 Safety switch for well tools
04/1983
04/26/1983US4380948 Loading of wellbores with explosives
04/06/1983EP0076045A1 Electrically actuable ignition assembly
04/05/1983US4378844 Explosive cutting system
04/05/1983US4378739 Primer firing means
03/1983
03/30/1983EP0075520A2 Perforating gun indexed wiring harness
02/1983
02/08/1983CA1140811A1 Primer assembly having a delay cap/sensor element hermetically sealed in a shell unit
02/01/1983US4371044 Simultaneous multigun high density multiphase perforating unit
12/1982
12/14/1982CA1137341A1 Seismic explosive charge loader and anchor
11/1982
11/03/1982EP0063943A2 Non-electric blasting assembly
09/1982
09/21/1982US4350097 Nonelectric delay detonator with tubular connecting arrangement
09/07/1982US4347789 Downhole delay assembly for blasting with series delay
07/1982
07/20/1982CA1128188A1 Distributed charge for seismic prospecting
06/1982
06/22/1982US4335652 Non-electric delay detonator
06/22/1982CA1126370A1 Firing circuit for electric ignition element
06/22/1982CA1126369A1 Delay blaster
06/08/1982CA1125361A1 Electrically actuated time delay device
05/1982
05/18/1982US4329925 Fracturing apparatus
05/18/1982CA1123726A1 Explosive fracturing of deep rock
05/18/1982CA1123662A1 Connector device for use between detonating cord and icendiary fusecord
05/12/1982EP0051572A2 A firing initiating method and device
04/1982
04/20/1982US4325304 Pyrotechnic devices and systems and firing circuits therefor
04/20/1982CA1122265A1 Electric igniter
04/13/1982US4324182 Apparatus and method for selectively activating plural electrical loads at predetermined relative times
03/1982
03/16/1982US4319526 Explosive safe-arming system for perforating guns
02/1982
02/09/1982US4314614 Method and apparatus for disarming and arming explosive oil well perforators
02/09/1982US4314508 Device with incendiary fusecord ignited by detonation
02/09/1982US4314507 Sequential initiation of explosives
02/09/1982CA1117821A1 Detonating device
02/03/1982EP0045131A1 Method of charging a borehole and method of blasting
02/02/1982US4313380 Distributed charge for seismic prospecting
01/1982
01/26/1982US4312273 Shaped charge mounting system
01/26/1982US4312271 Delay detonator device
12/1981
12/22/1981US4306628 Safety switch for well tools
11/1981
11/24/1981US4301731 Air shooting system for the mining of coal or the like
11/18/1981EP0040011A1 Arrangements for igniting a pyrotechnic charge
11/03/1981US4297947 Electric igniter
10/1981
10/06/1981US4292896 Detonating device
10/06/1981US4292895 Explosive safe-arming apparatus for perforating guns
09/1981
09/29/1981US4291623 Binary electroexplosive device and method of assembly thereof
09/22/1981US4290366 Explosive signal, autooxidatable material, tubes
09/01/1981US4286520 Linear explosive charge with constant detonation velocity and synchronous booster charges
08/1981
08/18/1981US4284006 Linear explosive charge with constant detonation velocity and synchronous booster charges
08/18/1981US4283987 Explosive release clamp system
08/11/1981US4282812 Field-primable chub cartridge having a longitudinal threading tunnel integral therewith
07/1981
07/14/1981US4278025 Seismic explosive charge loader and anchor
06/1981
06/17/1981EP0030498A1 Self separating pyrotechnic connector having sealed parts
06/16/1981US4273051 Electric device
06/16/1981US4273050 Placement method for Q.D. charges using minimum diving time
06/16/1981US4273049 Ammonium nitrate-fuel oil, nitroalkane
06/10/1981EP0030189A1 Multiway connector and process for transmitting pyrotechnical signals
05/1981
05/26/1981USRE30621 Carrier for explosive primer and method of using same
05/12/1981US4266613 Arming device and method
05/05/1981US4265177 Device in blasting cap for low-energy fuse
04/1981
04/28/1981CA1100033A1 Methods and apparatus for selectively operating multi- charge well bore guns
02/1981
02/03/1981US4248303 Explosive well-fracturing system
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