Inventor · disambiguated record
Ronald M. Dufrane
Also filed as: DUFRANE RONALD M
10 granted patents·4 pending applications·131 citations·filing 1990–2025
89Inventor score
Files withENSIGN BICKFORD AEROSPACE & DEFENSE COMPANY5ENSIGN BICKFORD CO5ENSIGN BICKFORD AEROSPACE & DE3
Top patents by PatentIndex Score
14 records- 0188US11845703B2Coreless-coil shock tube system with reduced noiseENSIGN BICKFORD AEROSPACE & DEFENSE COMPANY·Filed 2021·Granted Dec 19, 2023·1 cites·19 claims
- 0288US11192832B2Coreless-coil shock tube system with reduced noiseENSIGN BICKFORD AEROSPACE & DEFENSE COMPANY·Filed 2020·Granted Dec 7, 2021·3 cites·10 claims
- 0384US5031538ADelay train ignition bufferENSIGN BICKFORD CO·Filed 1990·Granted Jul 16, 1991·45 cites·10 claims
- 0480US5747722ADetonators having multiple-line input leadsENSIGN BICKFORD CO·Filed 1996·Granted May 5, 1998·37 cites·13 claims
- 0579US12252453B2Coreless-coil shock tube system with reduced noiseENSIGN BICKFORD AEROSPACE & DEFENSE COMPANY·Filed 2023·Granted Mar 18, 2025·0 cites·14 claims
- 0678US2025243131A1Coreless-coil shock tube system with reduced noiseENSIGN BICKFORD AEROSPACE & DEFENSE COMPANY·Filed 2025·Application pending·0 cites
- 0776US11554998B2Coreless-coil shock tube system with reduced noiseENSIGN BICKFORD AEROSPACE & DEFENSE COMPANY·Filed 2020·Granted Jan 17, 2023·1 cites·17 claims
- 0876US7490554B2Initiation fixture and an initiator assembly including the sameENSIGN BICKFORD AEROSPACE & DE·Filed 2007·Granted Feb 17, 2009·9 cites·9 claims
- 0959US5703320AConnector for blast initiation systemENSIGN BICKFORD CO·Filed 1996·Granted Dec 30, 1997·20 cites·25 claims
- 1051US5661256ASlider member for booster explosive chargesENSIGN BICKFORD CO·Filed 1996·Granted Aug 26, 1997·9 cites·8 claims
- 1147US2008245253A1Initiation fixture and an initiator assembly including the sameENSIGN BICKFORD AEROSPACE & DE·Filed 2008·Application pending·0 cites
- 1247US2008282923A1Initiation fixture and an initiator assembly including the sameENSIGN BICKFORD AEROSPACE & DE·Filed 2008·Application pending·0 cites
- 1343US5708228AMethod and apparatus for transfer of initiation signalsENSIGN BICKFORD CO·Filed 1996·Granted Jan 13, 1998·6 cites·22 claims
- 1433US2005126418A1Initiation fixture and an initiator assembly including the sameFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →