F42D 1/043
Connectors for detonating cords and ignition tubes
Official title: {Connectors for detonating cords and ignition tubes, e.g. Nonel tubes (mounting of detonators in blasting cartridges F42B3/26)}
F42D1/043 (Connectors for detonating cords and ignition tubes) appears on 257 US grants and 205 published applications in this corpus.
Search patents in F42D- Granted patents
- 257
- Published applications
- 205
- Assignees
- 93
- Inventors
- 408
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 4 |
| 2003 | 4 | 1 |
| 2004 | 1 | 5 |
| 2005 | 1 | 7 |
| 2006 | 1 | 2 |
| 2007 | 3 | 5 |
| 2008 | 4 | 8 |
| 2009 | 2 | 4 |
| 2010 | 9 | 10 |
| 2011 | 7 | 5 |
| 2012 | 7 | 5 |
| 2013 | 4 | 6 |
| 2014 | 2 | 5 |
| 2015 | 10 | 6 |
| 2016 | 6 | 8 |
| 2017 | 10 | 15 |
| 2018 | 12 | 12 |
| 2019 | 14 | 19 |
| 2020 | 8 | 20 |
| 2021 | 20 | 21 |
| 2022 | 15 | 18 |
| 2023 | 19 | 7 |
| 2024 | 11 | 7 |
| 2025 | 11 | 5 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coreless-coil shock tube system with reduced noise25 Aug 2026US 12,715,822 B2Ensign-Bickford Aerospace & Defense Company
- Connector for use with detonation devices23 Jun 2026US 12,663,247 B1Breacher's Hardware LLC
- Shock initiation of non-electric shock tube5 May 2026US 12,618,655 B1Honeywell Federal Manufacturing & Technologies, LLC
- Perforating gun with detonation module24 Mar 2026US 12,584,386 B2Owen Oil Tools LP
- Propellant container for a perforating gun25 Nov 2025US 12,480,388 B2The GasGun, LLC
- Explosive booster13 Nov 2025US 2025/0347499 A1Aeci Mining Limited
- Systems and methods for triggering explosives in holes7 Aug 2025US 2025/0251224 A1Olitek Pty Ltd
- Coreless-coil shock tube system with reduced noise31 Jul 2025US 2025/0243131 A1Ensign-Bickford Aerospace & Defense Company
- Blasting6 Mar 2025US 2025/0076009 A1Aeci Mining Limited
- Detonator connector having leg wire locking structure6 Mar 2025US 2025/0076017 A1Hanwha Corporation
Most cited
By later US patents
- Modular initiator123US 8,256,337 B2Baker Hughes Incorporated · 2012
- Pass-through bulkhead connection switch for a perforating gun104US 9,145,764 B2International Strategic Alliance, Lc · 2015
- Bulkhead assembly having a pivotable electric contact component and integrated ground apparatus103US 9,784,549 B2DynaEnergetics GmbH & Co. KG · 2017
- Bulkhead assembly having a pivotable electric contact component and integrated ground apparatus95US 10,066,921 B2DynaEnergetics GmbH & Co. KG · 2018
- Box by pin perforating gun system and methods89US 10,273,788 B2Hunting Titan, Inc. · 2019