F42B 3/125
Characterised by the configuration of the bridge initiator case
Official title: {characterised by the configuration of the bridge initiator case (F42B3/11 takes precedence)}
F42B3/125 (Characterised by the configuration of the bridge initiator case) appears on 99 US grants and 61 published applications in this corpus.
Search patents in F42B- Granted patents
- 99
- Published applications
- 61
- Assignees
- 54
- Inventors
- 198
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 4 |
| 2003 | 2 | 3 |
| 2004 | 3 | 3 |
| 2005 | 3 | 4 |
| 2006 | 3 | 5 |
| 2007 | 2 | 2 |
| 2008 | 3 | 0 |
| 2009 | 0 | 3 |
| 2010 | 4 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 3 |
| 2015 | 2 | 3 |
| 2016 | 6 | 5 |
| 2017 | 5 | 2 |
| 2018 | 2 | 3 |
| 2019 | 4 | 1 |
| 2020 | 6 | 3 |
| 2021 | 4 | 1 |
| 2022 | 4 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 4 | 2 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Explosive foil initiator (EF) with enhanced detonation energy25 Aug 2026US 12,716,700 B2Raytheon Company
- Modular exploding foil initiator assembly30 Jun 2026US 12,669,315 B1Reynolds Systems, Inc.
- Ignition device2 Jun 2026US 12,644,682 B2Nippon Kayaku Kabushiki Kaisha
- Fuse assembly and method for assembling the same19 May 2026US 12,631,431 B1L3Harris Technologies, Inc.
- Main charge holder for electro-explosive devices (EEDs)7 Apr 2026US 12,595,990 B1Raytheon Company
- Modular exploding foil initiator assembly1 Oct 2026US 2026/0298592 A1Reynolds Systems, Inc.
- Explosive foil initiator (ef) with enhanced detonation energy21 May 2026US 2026/0139934 A1Raytheon Company
- Detonator with integrated solid-state fireset2 Apr 2026US 2026/0092763 A1Excelitas Technologies Corp.
- Initiator For A Gas Generator Of A Vehicle Safety Device19 Jun 2025US 2025/0196799 A1Autoliv ASP, Inc.
- Ignition device5 Jun 2025US 2025/0180338 A1Nippon Kayaku Kabushiki Kaisha
Most cited
By later US patents
- Method and apparatus for safe transport handling arming and firing of perforating guns using a bubble activated detonator146US 5,088,413 ASchlumberger Technology Corporation · 1992
- Initiator54US 7,357,083 B2Hino Motors, Ltd. · 2008
- Secondary explosive detonator device50US 3,978,791 ASystems, Science and Software · 1976
- Air bag initiator40US 5,454,320 AQuantic Industries, Inc. · 1995
- Energetic material initiation device utilizing exploding foil initiated ignition system with secondary explosive material36US 6,923,122 B2Reynolds Systems, Inc. · 2005