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Browse by Category: Main > Firearms & Weapons
Class Information
Number: 102/202.2
Name: Ammunition and explosives > Igniting devices and systems > Accidental fuse ignition prevention means > Having electromagnetic field effects diminishing or elimination means
Description: Subject matter wherein the device has lead wires connected thereto and means forming part of the device to attenuate or eliminate (a) the effects of electromagnetic radiation on all or part of the device, (b) the passage of unwanted frequencies of alternating currents or voltages through the lead wires or the device, (c) the passage of unwanted current or voltage through the lead wires or the device.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8601948 Spark gap isolated, RF safe, primary explosive detonator for downhole applications Dec. 10, 2013
8397639 Initiator with molded ESD dissipater Mar. 19, 2013
8336457 Reactive composite material structures with electrostatic discharge protection and applications thereof Dec. 25, 2012
7810429 Consumable flash tube Oct. 12, 2010
7748323 Semiconductor bridge device and igniter including semiconductor bridge circuit device Jul. 6, 2010
7617777 Precision pyrotechnic display system and method having increased safety and timing accuracy Nov. 17, 2009
7268445 Vehicular occupant protection device Sep. 11, 2007
7194959 Precision pyrotechnic display system and method having increased safety and timing accuracy Mar. 27, 2007
7168737 Integrated circuit for air bag system Jan. 30, 2007
6966261 Fuze explosive ordnance disposal circuit Nov. 22, 2005
6904846 Ignition device for a safety system Jun. 14, 2005
6857369 Precision pyrotechnic display system and method having increased safety and timing accuracy Feb. 22, 2005
6739264 Low cost ignition device for gas generators May. 25, 2004
6732656 High voltage tolerant explosive initiation May. 11, 2004
6732655 Ignition device for restraint means in a vehicle May. 11, 2004
6659011 Device for triggering an airbag Dec. 9, 2003
6622627 Actuator apparatus Sep. 23, 2003
6588342 Frequency addressable ignitor control device Jul. 8, 2003
6564715 Frequency addressable ignitor control device May. 20, 2003
6553910 Hermatically-sealed electrically-absorptive low-pass radio frequency filters and electro-magnetically lossy ceramic materials for said filters Apr. 29, 2003
6539875 Electro-pyrotechnic initiator built around a complete printed circuit Apr. 1, 2003
6490977 Precision pyrotechnic display system and method having increased safety and timing accuracy Dec. 10, 2002
6477957 Ignition device for a safety system Nov. 12, 2002
6476464 Low resistance hermetic lead structure Nov. 5, 2002
H2038 Cartridge actuated ordnance filter Aug. 6, 2002
6422145 Controlled electromagnetic induction detonation system for initiation of a detonatable material Jul. 23, 2002
6418853 Electropyrotechnic igniter with integrated electronics Jul. 16, 2002
6408758 Photoetched-filament pyrotechnic initiator protected against electrostatic discharges Jun. 25, 2002
6389972 Electro-pyrotechnic initiator built around a complete printed circuit May. 21, 2002
6357355 Pyrotechnic igniter with radio frequency filter Mar. 19, 2002
6302023 Detonator for a pyrotechnical gas generator and gas generator Oct. 16, 2001
6274951 EMI energy absorber Aug. 14, 2001
6220163 Electro-pyrotechnic initiation system protected against electrostatic discharges Apr. 24, 2001
6192802 Radio frequency and electrostatic discharge insensitive electro-explosive devices Feb. 27, 2001
6144894 Method of activating a magnetron generator within a remote plasma source of a semiconductor wafer processing system Nov. 7, 2000
6131515 Electric primer Oct. 17, 2000
6105503 Electro-explosive device with shaped primary charge Aug. 22, 2000
5944545 Single pin coaxial initiator, retainer and connector and method of operation Aug. 31, 1999
5942717 Electro-pyrotechnic initiator, method for making same, and vehicle safety system Aug. 24, 1999
5932832 High pressure resistant initiator with integral metal oxide varistor for electro-static discharge protection Aug. 3, 1999
5920029 Igniter assembly and method Jul. 6, 1999
5905226 Radio frequency and electrostatic discharge insensitive electro-explosive devices having non-linear resistances May. 18, 1999
5847309 Radio frequency and electrostatic discharge insensitive electro-explosive devices having non-linear resistances Dec. 8, 1998
5763814 Electrical initiator Jun. 9, 1998
5691498 Hermetically-sealed electrically-absorptive low-pass radio frequency filters and electromagnetically lossy ceramic materials for said filters Nov. 25, 1997
5648634 Electrical initiator Jul. 15, 1997
5639986 Airbag igniter and method of manufacture Jun. 17, 1997
5634660 Gas generator ignition unit for a passive restraint system Jun. 3, 1997
5596163 Gas generator igniting capsule Jan. 21, 1997
5485788 Combination explosive primer and electro-explosive device Jan. 23, 1996

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