F42C 15/34
Wherein the safety or arming action is effected by a blocking-member in
Official title: wherein the safety or arming action is effected by a blocking-member in the pyrotechnic or explosive train between primer and main charge (F42C15/18, F42C15/40 take precedence)
F42C15/34 (Wherein the safety or arming action is effected by a blocking-member in) appears on 116 US grants and 68 published applications in this corpus.
Search patents in F42C- Granted patents
- 116
- Published applications
- 68
- Assignees
- 70
- Inventors
- 240
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 1 |
| 2008 | 3 | 1 |
| 2009 | 2 | 4 |
| 2010 | 3 | 5 |
| 2011 | 3 | 3 |
| 2012 | 5 | 9 |
| 2013 | 8 | 2 |
| 2014 | 6 | 1 |
| 2015 | 1 | 4 |
| 2016 | 3 | 1 |
| 2017 | 3 | 5 |
| 2018 | 4 | 2 |
| 2019 | 3 | 5 |
| 2020 | 4 | 3 |
| 2021 | 6 | 6 |
| 2022 | 1 | 3 |
| 2023 | 4 | 1 |
| 2024 | 2 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for selectively disabling electrical and mechanical devices12 May 2026US 12,624,935 B2JD Pharma, LLC
- Self-shunting detonator for well perforating gun29 Apr 2025US 12,286,867 B2Halliburton Energy Services.Inc.
- Safe-and-arm device29 Apr 2025US 12,287,186 B2
- Electronic self-destructing fuse structure8 Oct 2024US 12,111,144 B2Seju Engineering Co., Ltd.
- Device for detecting the absence of a mechanical barrier for a missile and missile comprising such a device26 Mar 2024US 11,940,260 B2Mbda France
- Self-shunting detonator for well perforating gun17 Jul 2025US 2025/0230733 A1Halliburton Energy Services.Inc.
- Bolt system6 Mar 2025US 2025/0075729 A1Israel Aerospace Industries Ltd.
- Systems and methods for selectively disabling electrical and mechanical devices3 Oct 2024US 2024/0328766 A1JD Pharma, LLC
- Safe-and-arm Device11 Jul 2024US 2024/0230298 A1St Engineering Advanced Material Engineering Pte. Ltd.
- Self-Shunting Detonator For Well Perforating Gun23 May 2024US 2024/0167368 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Perforating gun with integrated initiator117US 10,077,641 B2Schlumberger Technology Corporation · 2018
- Electronic safe/arm system and methods of use thereof47US 8,573,124 B2Orbital Sciences Corporation · 2013
- Pyrotechnic/explosive initiator46US 4,664,033 AExplosive Technology, Inc. · 1987
- Enabling device for a gas generator of a forced dispersion munitions dispenser45US 4,714,020 AHoneywell Inc. · 1987
- Perforating gun system and method33US 10,584,950 B2Geodynamics, Inc. · 2020