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Class Information
Number: 361/248
Name: Electricity: electrical systems and devices > Igniting systems > For explosive devices
Description: Subject matter for detonating an explosive device.










Sub-classes under this class:

Class Number Class Name Patents
361/251 With capacitor discharging into explosive device 48
361/252 With electromechanical power source 5
361/249 With sequential firing by electronic switching 42
361/250 With sequential firing by mechanical switching 14


Patents under this class:
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Patent Number Title Of Patent Date Issued
8676448 Occupant protection device Mar. 18, 2014
8621998 Remote initiator breaching system Jan. 7, 2014
8582275 Electronic detonator control chip Nov. 12, 2013
8581149 Exothermic welding assembly Nov. 12, 2013
8553388 Electronic device for controlling a current Oct. 8, 2013
8456794 Clock-pulsed safety switch Jun. 4, 2013
8395878 Methods of controlling components of blasting apparatuses, blasting apparatuses, and components thereof Mar. 12, 2013
8365825 Suppressing voltage transients in perforation operations Feb. 5, 2013
8264814 Downhole sequentially-firing casing perforating gun with electronically-actuated wireline release mechanism, and actuation circuit therefor Sep. 11, 2012
8230788 Method of fabrication and use of integrated detonators Jul. 31, 2012
8213151 Methods and systems for defining addresses for pyrotechnic devices networked in an electronic ordnance system Jul. 3, 2012
8180520 Electronic safing system May. 15, 2012
8134822 Remote initiator for the remote initiation of explosive charges Mar. 13, 2012
8091477 Integrated detonators for use with explosive devices Jan. 10, 2012
7913623 MEMS fuze assembly Mar. 29, 2011
7881037 Vehicle occupant protection apparatus Feb. 1, 2011
7874250 Nano-based devices for use in a wellbore Jan. 25, 2011
7791858 Data communication in electronic blasting systems Sep. 7, 2010
7778006 Wireless electronic booster, and methods of blasting Aug. 17, 2010
7755878 Blast key Jul. 13, 2010
7748323 Semiconductor bridge device and igniter including semiconductor bridge circuit device Jul. 6, 2010
7701694 Armament fuse arrangement Apr. 20, 2010
7688566 Electric firing device for fireworks Mar. 30, 2010
7679881 Electrical entity with opening of the load current circuit in an explosion-vulnerable environment Mar. 16, 2010
7505244 Micro-switches for downhole use Mar. 17, 2009
7336474 Microelectromechanical devices Feb. 26, 2008
7327550 Frequency diversity remote controlled initiation system Feb. 5, 2008
7301750 Electronic switching system for a detonation device, method of operation and explosive device including the same Nov. 27, 2007
7230814 Digital squib Jun. 12, 2007
7191706 Optically triggered fire set/detonator system Mar. 20, 2007
7161790 Ignition device for bus connection Jan. 9, 2007
7154733 Low cost squib driver for airbag application Dec. 26, 2006
7154732 Apparatus and system for controlling a squib firing device Dec. 26, 2006
7116542 Micro-switches for downhole use Oct. 3, 2006
7107908 Firing-readiness diagnostic of a pyrotechnic device such as an electronic detonator Sep. 19, 2006
7100511 Dual redundancy system for electronic detonators Sep. 5, 2006
6992877 Electronic switching system for a detonation device Jan. 31, 2006
6789483 Detonator utilizing selection of logger mode or blaster mode based on sensed voltages Sep. 14, 2004
6781813 Release element for initiating pyrotechnics Aug. 24, 2004
6650528 Ignition device for a safety system Nov. 18, 2003
6611424 Housing of data processing system with mechanism for easy removal and insertion of disk drive Aug. 26, 2003
6476464 Low resistance hermetic lead structure Nov. 5, 2002
6385031 Switches for use in tools May. 7, 2002
6351376 Computer data storage device mounting apparatus Feb. 26, 2002
6166452 Igniter Dec. 26, 2000
6146598 Initiator unit having a self locking two wire connector for pyrotecnic generators Nov. 14, 2000
5920029 Igniter assembly and method Jul. 6, 1999
5912427 Semiconductor bridge explosive device Jun. 15, 1999
5672841 Inflator initiator with zener diode electrostatic discharge protection Sep. 30, 1997
5517920 Device for sequentially firing electrical detonators May. 21, 1996

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