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Class Information
Number: 102/318
Name: Ammunition and explosives > Blasting > Contained blasting charge > Booster or charge with booster detonator
Description: Subject matter wherein (a) the contained charge is one used to detonate another blasting explosive which is incapable of detonation by the usual means, or (b) a first explosive charge is combined with a second explosive charge used to detonate the first charge where the first or the second charge is within a container.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8371224 Variable yield device and method of use Feb. 12, 2013
7823508 Connector for detonator, corresponding booster assembly, and method of use Nov. 2, 2010
7819180 High-energy gas fracture apparatus for through-tubing operations Oct. 26, 2010
7673566 Method for use in a wellbore Mar. 9, 2010
7565930 Method and apparatus for stimulating wells with propellants Jul. 28, 2009
7481166 Heat insulating container for a detonator Jan. 27, 2009
7146913 Shaped charge tubing cutter Dec. 12, 2006
7073589 System for fracturing wells using supplemental longer-burning propellants Jul. 11, 2006
7073448 Shaped charge tubing cutter Jul. 11, 2006
6739265 Explosive device with assembled segments and related methods May. 25, 2004
6557650 Method and apparatus for protecting explosives May. 6, 2003
6508177 Explosives with embedded bodies Jan. 21, 2003
6425332 Low-energy shock tube connector system Jul. 30, 2002
6386296 Method and apparatus of protecting explosives May. 14, 2002
6349648 Detonator for shock tube connector system Feb. 26, 2002
6227095 Insensitive munition booster seal May. 8, 2001
6214140 Development of new high energy blasting products using demilitarized ammonium picrate Apr. 10, 2001
6186069 Explosives booster Feb. 13, 2001
6112666 Explosives booster and primer Sep. 5, 2000
5831204 Propellant igniter assembly having a multi-zone booster charge Nov. 3, 1998
5780764 Booster explosive devices and combinations thereof with explosive accessory charges Jul. 14, 1998
5714712 Explosive initiation system Feb. 3, 1998
5710390 Shock tube initiating system for display fireworks Jan. 20, 1998
5708228 Method and apparatus for transfer of initiation signals Jan. 13, 1998
5661256 Slider member for booster explosive charges Aug. 26, 1997
5614693 Accessory charges for booster explosive devices Mar. 25, 1997
5597974 Shaped charge for a perforating gun having a main body of explosive including TATB and a sensitive primer Jan. 28, 1997
5524547 Signal tube and detonator cord connector Jun. 11, 1996
5291831 Beneficial use of class 1.1 rocket propellant Mar. 8, 1994
5204492 Low noise, low shrapnel detonator assembly for initiating signal transmission lines Apr. 20, 1993
5044280 Linear hollow charge devices Sep. 3, 1991
4947751 Multi-directional initiator for explosives Aug. 14, 1990
4945808 Primer Aug. 7, 1990
4938143 Booster shaped for high-efficiency detonating Jul. 3, 1990
4922823 Ignition transfer charge for a propelling charge May. 8, 1990
4901619 Shaped charge with barrier produced in situ Feb. 20, 1990
4879952 Primer Nov. 14, 1989
4815382 Connector and detonator/connector assembly for initiating explosive primers with low-energy detonating cord Mar. 28, 1989
4776276 Cast explosive primer initiatable by low-energy detonating cord Oct. 11, 1988
4765246 Detonator and a charge adapted thereto Aug. 23, 1988
4718346 Explosive charge for the explosive welding of large diameter pipes, and a method for its manufacture Jan. 12, 1988
4718345 Primer assembly Jan. 12, 1988
4714017 Pyrotechnic variable delay connector Dec. 22, 1987
4706567 Explosive charges Nov. 17, 1987
4702168 Sidewall core gun Oct. 27, 1987
4667599 Explosive cutting device with simultaneous detonation of opposite ends May. 26, 1987
4657089 Method and apparatus for initiating subterranean well perforating gun firing from bottom to top Apr. 14, 1987
4635734 Boosterless perforating gun and method of assembly Jan. 13, 1987
4616566 Secondary high explosive booster, and method of making and method of using same Oct. 14, 1986
4615271 Shock-augmenting charge with axially-grooved booster housing Oct. 7, 1986

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