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Class Information
Number: 102/202.7
Name: Ammunition and explosives > Igniting devices and systems > Electrical primer or ignitor > Having an exploding bridgewire
Description: Subject matter wherein the electrical device is an electrically conductive wire or semiconductor which vaporizes when electrically energized and produces a shock wave of high pressure or high temperature which causes the composition or charge to detonate, deflagrate or burn.


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7380501 Electro-thermal chemical igniter and connector Jun. 3, 2008
7357083 Initiator Apr. 15, 2008
7334523 Fuze with electronic sterilization Feb. 26, 2008
7293504 Electro-pyrotechnic initiator Nov. 13, 2007
7263929 Initiator Sep. 4, 2007
7191706 Optically triggered fire set/detonator system Mar. 20, 2007
7125041 Gas generator Oct. 24, 2006
7124688 Overmolded body for pyrotechnic initiator and method of molding same Oct. 24, 2006
7063019 Assemblies including extendable, reactive charge-containing actuator devices Jun. 20, 2006
7059249 Transverse plasma injector ignitor Jun. 13, 2006
7040234 MEMS safe arm device for microdetonation May. 9, 2006
7021218 Safety and performance enhancement circuit for primary explosive detonators Apr. 4, 2006
7007606 Method for utilizing a MEMS safe arm device for microdetonation Mar. 7, 2006
7007973 Tubular dual stage inflator Mar. 7, 2006
7004071 Initiator with an internal sleeve retaining a pyrotechnic charge and methods of making same Feb. 28, 2006
6986307 Bridge-type igniter ignition element Jan. 17, 2006
6925938 Electro-explosive device with laminate bridge Aug. 9, 2005
6923122 Energetic material initiation device utilizing exploding foil initiated ignition system with secondary explosive material Aug. 2, 2005
6880233 Method of making an air bag Apr. 19, 2005
6851370 Integrated planar switch for a munition Feb. 8, 2005
6848365 Initiator with an internal sleeve retaining a pyrotechnic charge and methods of making same Feb. 1, 2005
6823797 Process for the preparation of an electropyrotechnic initiator by use of an aqueous adhesive Nov. 30, 2004
6820556 Initiator assembly Nov. 23, 2004
6796245 Unitary header/base/shorting bar holder for a micro gas generator, and micro gas generator using it Sep. 28, 2004
6772692 Electro-explosive device with laminate bridge Aug. 10, 2004
6767743 Method and an apparatus for generating shockwave, a method and an apparatus for accelerating particles, an apparatus for delivering drugs, and a method and an apparatus for delivering DNA Jul. 27, 2004
6761116 Constant output high-precision microcapillary pyrotechnic initiator Jul. 13, 2004
6752083 Detonators for use with explosive devices Jun. 22, 2004
6739264 Low cost ignition device for gas generators May. 25, 2004
6732656 High voltage tolerant explosive initiation May. 11, 2004
6703580 Plasma torch incorporating a reactive ignition tube and igniter squib integrating such a torch Mar. 9, 2004
6698356 Axial spin method of distributing pyrotechnic charge in an initiator Mar. 2, 2004
6672215 Constant output high-precision microcapillary pyrotechnic initiator Jan. 6, 2004
6612241 Pyrotechnic initiator with center pin having a circumferential notch retention feature Sep. 2, 2003
6598532 Electric circuit for an electrically dischargeable primer Jul. 29, 2003
6584907 Ordnance firing system Jul. 1, 2003
6584905 Plated through-hole ignitor for detonation cord or shock tube Jul. 1, 2003
6578486 Igniter Jun. 17, 2003
6578493 Electrothermal ignition device and method for producing the device Jun. 17, 2003
6578487 Pyrotechnic initiator with a narrowed sleeve retaining a pyrotechnic charge and methods of making same Jun. 17, 2003
6571712 Electropyrotechnic igniter with two ignition heads and use in motor vehicle safety Jun. 3, 2003
6568331 Electrical igniter cap May. 27, 2003
6557474 Initiator header subassembly for inflation devices May. 6, 2003
6553911 Exothermic reactions and methods Apr. 29, 2003
6539875 Electro-pyrotechnic initiator built around a complete printed circuit Apr. 1, 2003
6530327 Method and apparatus for burning pyrotechnic compositions Mar. 11, 2003
6526890 Pyrotechnic igniter and assembly process for such an igniter Mar. 4, 2003
6502512 Secured high-power electro-pyrotechnic initiator Jan. 7, 2003
6497180 Electric actuated explosion detonator Dec. 24, 2002
6467414 Ignitor with printed electrostatic discharge spark gap Oct. 22, 2002

1 2 3 4


 
 
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