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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:
| 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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