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Class Information
Number: 102/202.5
Name: Ammunition and explosives > Igniting devices and systems > Electrical primer or ignitor
Description: Subject matter which includes an explosive or thermic composition or charge and an electrical igniting or detonating device to cause the composition or charge to attain its combustion or detonation point.


Sub-classes under this class:

Class Number Class Name Patents
102/202.12 Assemblies (e.g., packaging) 51
102/202.13 Having a powder train time delay 37
102/202.8 Having a spark gap or conductive composition or charge 74
102/202.6 Having an additional ignitor or water destructible fuse 15
102/202.11 Having an electric matchhead 37
102/202.7 Having an exploding bridgewire 196
102/202.9 With electric terminals 187
102/202.14 With housing 175


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7597046 Integrated thin film explosive micro-detonator Oct. 6, 2009
7587977 Pyrotechnic microsystem and method for fabricating a microsystem Sep. 15, 2009
7581496 Exploding foil initiator chip with non-planar switching capabilities Sep. 1, 2009
7578237 Method for controlling initiation of a detonator Aug. 25, 2009
7571679 Energetic material initiation device having integrated low-energy exploding foil initiator header Aug. 11, 2009
7569796 Thermal catalytic ignition system for airborne applications Aug. 4, 2009
7552680 Full function initiator with integrated planar switch Jun. 30, 2009
7549373 Integrated activating device for explosives Jun. 23, 2009
7543532 Full function initiator with integrated planar switch Jun. 9, 2009
7490552 MEMS microdetonator/initiator apparatus for a MEMS fuze Feb. 17, 2009
7430963 Energetic material initiation device utilizing exploding foil initiated ignition system with secondary explosive material Oct. 7, 2008
7357083 Initiator Apr. 15, 2008
7328657 Tubular igniter bridge Feb. 12, 2008
7316562 Method and system to ignite inflammable fluids Jan. 8, 2008
7296823 Igniter assembly, inflator, airbag device, and seat belt device Nov. 20, 2007
7270059 Device for the electrical initiation of a pyrotechnic microcharge, and microsystem using such a device Sep. 18, 2007
7263929 Initiator Sep. 4, 2007
7168737 Integrated circuit for air bag system Jan. 30, 2007
7161790 Ignition device for bus connection Jan. 9, 2007
7146913 Shaped charge tubing cutter Dec. 12, 2006
7107908 Firing-readiness diagnostic of a pyrotechnic device such as an electronic detonator Sep. 19, 2006
7089861 Heating element for igniting pyrotechnic charge Aug. 15, 2006
7055434 Electrical initiation system Jun. 6, 2006
7047885 Multiple pulse cartridge ignition system May. 23, 2006
7047884 Pyrotechnic initiator having output can with encapsulation material retention feature May. 23, 2006
7021217 Versatile cavity actuator and systems incorporating same Apr. 4, 2006
7004071 Initiator with an internal sleeve retaining a pyrotechnic charge and methods of making same Feb. 28, 2006
6994030 Pyrotechnic microactuators for microsystems Feb. 7, 2006
6986307 Bridge-type igniter ignition element Jan. 17, 2006
6976430 Igniter for inflator and method of manufacturing thereof Dec. 20, 2005
6941867 Initiator with a slip plane between an ignition charge and an output charge Sep. 13, 2005
6935241 Method of producing a device containing pyrotechnical material and device obtainable by this method Aug. 30, 2005
6925938 Electro-explosive device with laminate bridge Aug. 9, 2005
6910420 Electrical initiation system Jun. 28, 2005
6907827 Pyrotechnic initiator having output can with encapsulation material retention feature Jun. 21, 2005
6895863 Method of making pyrotechnic initiator with ignition bridge May. 24, 2005
6892643 Constant-current, rail-voltage regulated charging electronic detonator May. 17, 2005
6880233 Method of making an air bag Apr. 19, 2005
6877431 Hermetically sealed electrical feed-through device with a bent isolated pin in a circular glass seal Apr. 12, 2005
6874424 Low voltage pyrotechnic igniter assembly Apr. 5, 2005
6874423 Hermetically sealed electrical feed-through device with a straight isolated pin in an offset oval glass seal Apr. 5, 2005
6874422 Hermetically sealed electrical feed-through device with an oval-cross-sectioned isolated pin in a circular glass seal Apr. 5, 2005
6848713 Airbag gas producer Feb. 1, 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
6814005 Detonator Nov. 9, 2004
6810815 Bridge igniter Nov. 2, 2004
6789483 Detonator utilizing selection of logger mode or blaster mode based on sensed voltages Sep. 14, 2004
6779456 Initiator with a bridgewire configured in an enhanced heat-sinking relationship Aug. 24, 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

1 2 3 4 5 6


 
 
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