Assignee
SPECIAL DEVICES INC
US·44 granted patents·4 pending applications·1,268 citations·filing 1979–2015
Top patents by PatentIndex Score
48 records- 0195US7107908B2Firing-readiness diagnostic of a pyrotechnic device such as an electronic detonatorSPECIAL DEVICES INC·Filed 2003·Granted Sep 19, 2006·76 cites·3 claims
- 0294US7617775B2Multiple slave logging deviceSPECIAL DEVICES INC·Filed 2006·Granted Nov 17, 2009·28 cites·20 claims
- 0391US7239225B2Pyrotechnic circuit breakerSPECIAL DEVICES INC·Filed 2004·Granted Jul 3, 2007·47 cites·8 claims
- 0490US7681500B2Method for logging a plurality of slave devicesSPECIAL DEVICES INC·Filed 2009·Granted Mar 23, 2010·17 cites·16 claims
- 0590US6789483B1Detonator utilizing selection of logger mode or blaster mode based on sensed voltagesSPECIAL DEVICES INC·Filed 2003·Granted Sep 14, 2004·47 cites·20 claims
- 0689US7123124B2Pyrotechnic circuit breakerSPECIAL DEVICES INC·Filed 2003·Granted Oct 17, 2006·64 cites·16 claims
- 0789US4261263ARF-insensitive squibSPECIAL DEVICES INC·Filed 1979·Granted Apr 14, 1981·81 cites·11 claims
- 0888US7464647B2Dynamic baselining in current modulation-based communicationSPECIAL DEVICES INC·Filed 2006·Granted Dec 16, 2008·14 cites·20 claims
- 0988US7082877B2Current modulation-based communication for slave deviceSPECIAL DEVICES INC·Filed 2005·Granted Aug 1, 2006·17 cites·9 claims
- 1087US7870825B2Enhanced method, device, and system for identifying an unknown or unmarked slave device such as in an electronic blasting systemSPECIAL DEVICES INC·Filed 2008·Granted Jan 18, 2011·16 cites·19 claims
- 1186US7533613B2Slave device, such as in an electronic blasting system, capable of being identified if unknown or unmarkedSPECIAL DEVICES INC·Filed 2007·Granted May 19, 2009·12 cites·20 claims
- 1286US6763764B2Multi-unit pyrotechnic initiation systemSPECIAL DEVICES INC·Filed 2003·Granted Jul 20, 2004·29 cites·20 claims
- 1386US5099762AElectrostatic discharge immune electric initiatorSPECIAL DEVICES INC·Filed 1990·Granted Mar 31, 1992·71 cites·5 claims
- 1485US7347145B2Dynamic baselining in current modulation-based communicationSPECIAL DEVICES INC·Filed 2005·Granted Mar 25, 2008·11 cites·20 claims
- 1584US6966262B2Current modulation-based communication from slave deviceSPECIAL DEVICES INC·Filed 2003·Granted Nov 22, 2005·27 cites·20 claims
- 1683US5013318AMedical instrument for measuring depth of fastener hold in boneSPECIAL DEVICES INC·Filed 1990·Granted May 7, 1991·337 cites·11 claims
- 1782US6988449B2Dynamic baselining in current modulation-based communicationSPECIAL DEVICES INC·Filed 2003·Granted Jan 24, 2006·29 cites·13 claims
- 1881US7322293B2Device and system for identifying an unknow or unmarked slave device such as in an electronic blasting systemSPECIAL DEVICES INC·Filed 2006·Granted Jan 29, 2008·8 cites·18 claims
- 1979US6644198B1Integral pyrotechnic initiator with molded connectorSPECIAL DEVICES INC·Filed 2000·Granted Nov 11, 2003·32 cites·20 claims
- 2078US7577756B2Dynamically-and continuously-variable rate, asynchronous data transferSPECIAL DEVICES INC·Filed 2003·Granted Aug 18, 2009·19 cites·22 claims
- 2178US6612241B2Pyrotechnic initiator with center pin having a circumferential notch retention featureSPECIAL DEVICES INC·Filed 2002·Granted Sep 2, 2003·21 cites·14 claims
- 2277US7017494B2Method of identifying an unknown or unmarked slave device such as in an electronic blasting systemSPECIAL DEVICES INC·Filed 2003·Granted Mar 28, 2006·16 cites·15 claims
- 2375US6915744B2Pyrotechnic initiator with on-board control circuitrySPECIAL DEVICES INC·Filed 2001·Granted Jul 12, 2005·22 cites·16 claims
- 2473US7464648B2Hybrid electronic and electromechanical arm-fire deviceSPECIAL DEVICES INC·Filed 2006·Granted Dec 16, 2008·10 cites·32 claims
- 2573US6892643B2Constant-current, rail-voltage regulated charging electronic detonatorSPECIAL DEVICES INC·Filed 2003·Granted May 17, 2005·14 cites·18 claims
- 2672US6508175B1Pyrotechnic initiator for use in high pressure environmentsSPECIAL DEVICES INC·Filed 2000·Granted Jan 21, 2003·19 cites·8 claims
- 2770US7054131B1Pre-fire countdown in an electronic detonator and electronic blasting systemSPECIAL DEVICES INC·Filed 2003·Granted May 30, 2006·20 cites·26 claims
- 2869US6848365B2Initiator with an internal sleeve retaining a pyrotechnic charge and methods of making sameSPECIAL DEVICES INC·Filed 2002·Granted Feb 1, 2005·16 cites·23 claims
- 2967US7124688B2Overmolded body for pyrotechnic initiator and method of molding sameSPECIAL DEVICES INC·Filed 2000·Granted Oct 24, 2006·18 cites·20 claims
- 3067US7114427B1Quick-loosening mechanical linking deviceSPECIAL DEVICES INC·Filed 2005·Granted Oct 3, 2006·4 cites·18 claims
- 3166US6578487B2Pyrotechnic initiator with a narrowed sleeve retaining a pyrotechnic charge and methods of making sameSPECIAL DEVICES INC·Filed 2000·Granted Jun 17, 2003·16 cites·20 claims
- 3265US7086334B2Staggered charging of slave devices such as in an electronic blasting systemSPECIAL DEVICES INC·Filed 2003·Granted Aug 8, 2006·12 cites·15 claims
- 3365US7004071B2Initiator with an internal sleeve retaining a pyrotechnic charge and methods of making sameSPECIAL DEVICES INC·Filed 2004·Granted Feb 28, 2006·13 cites·20 claims
- 3461US6779456B2Initiator with a bridgewire configured in an enhanced heat-sinking relationshipSPECIAL DEVICES INC·Filed 2002·Granted Aug 24, 2004·11 cites·18 claims
- 3558US4592281AArming and firing deviceSPECIAL DEVICES INC·Filed 1982·Granted Jun 3, 1986·22 cites·12 claims
- 3656US6964715B2High impetus, high burn rate gas generant propellant and seatbelt pretensioner incorporating sameSPECIAL DEVICES INC·Filed 2003·Granted Nov 15, 2005·2 cites·19 claims
- 3755US6941867B2Initiator with a slip plane between an ignition charge and an output chargeSPECIAL DEVICES INC·Filed 2002·Granted Sep 13, 2005·8 cites·21 claims
- 3855US5279226ASafe-arm initiatorSPECIAL DEVICES INC·Filed 1992·Granted Jan 18, 1994·20 cites·9 claims
- 3953US6907827B2Pyrotechnic initiator having output can with encapsulation material retention featureSPECIAL DEVICES INC·Filed 2002·Granted Jun 21, 2005·6 cites·13 claims
- 4051US5993578AMethod of drying pyrotechnic compositionsSPECIAL DEVICES INC·Filed 1998·Granted Nov 30, 1999·8 cites·21 claims
- 4150US10816310B2Igniter with a locked consolidated powder chargeSPECIAL DEVICES INC·Filed 2015·Granted Oct 27, 2020·1 cites·2 claims
- 4249US7047884B2Pyrotechnic initiator having output can with encapsulation material retention featureSPECIAL DEVICES INC·Filed 2005·Granted May 23, 2006·1 cites·15 claims
- 4341US6698356B2Axial spin method of distributing pyrotechnic charge in an initiatorSPECIAL DEVICES INC·Filed 2002·Granted Mar 2, 2004·5 cites·20 claims
- 4438US2005011390A1ESD-resistant electronic detonatorSPECIAL DEVICES INC·Filed 2003·Application pending·0 cites
- 4538US2004043652A1Initiator having integral features for orienting and holding an insertable electrical shuntSPECIAL DEVICES INC·Filed 2002·Application pending·0 cites
- 4638US2005190525A1Status flags in a system of electronic pyrotechnic devices such as electronic detonatorsSPECIAL DEVICES INC·Filed 2003·Application pending·0 cites
- 4732US2017174580A1High temperature gas generantSPECIAL DEVICES INC·Filed 2015·Application pending·0 cites
- 4828US6126764APowdered metal pyrotechnic fuelSPECIAL DEVICES INC·Filed 1999·Granted Oct 3, 2000·1 cites·8 claims
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