F42B 12/22
With fragmentation-hull construction
Official title: with fragmentation-hull construction
F42B12/22 (With fragmentation-hull construction) appears on 380 US grants and 225 published applications in this corpus.
Search patents in F42B- Granted patents
- 380
- Published applications
- 225
- Assignees
- 159
- Inventors
- 606
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 4 |
| 2003 | 6 | 8 |
| 2004 | 4 | 9 |
| 2005 | 8 | 8 |
| 2006 | 12 | 8 |
| 2007 | 2 | 1 |
| 2008 | 5 | 4 |
| 2009 | 7 | 9 |
| 2010 | 3 | 7 |
| 2011 | 12 | 8 |
| 2012 | 12 | 10 |
| 2013 | 10 | 3 |
| 2014 | 12 | 12 |
| 2015 | 10 | 8 |
| 2016 | 13 | 21 |
| 2017 | 20 | 17 |
| 2018 | 17 | 9 |
| 2019 | 17 | 8 |
| 2020 | 19 | 14 |
| 2021 | 12 | 6 |
| 2022 | 9 | 10 |
| 2023 | 13 | 8 |
| 2024 | 10 | 14 |
| 2025 | 12 | 7 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F42B 12/32The hull or case comprising a plurality of discrete bodies175
- F42B 12/24With grooves, recesses or other wall weakenings104
- F42B 12/28The projectile wall being built from annular elements18
- F42B 12/26The projectile wall being formed by a spirally-wound element7
- F42B 12/30Continuous-rod warheads5
Recent patents
- Warhead for interceptor8 Sep 2026US 12,729,939 B2
- Preformed composite fragmentation warhead14 Jul 2026US 12,680,796 B1Raytheon Company
- Common carrier munition2 Jun 2026US 12,644,685 B2BAE SYSTEMS plc
- Additively manufactured metal casings17 Mar 2026US 12,578,173 B2Composite Technology R&D Pty Limited
- Mid-body warhead for projectile3 Mar 2026US 12,566,053 B2BAE Systems Information and Electronic Systems Integration Inc.
- Self-Separating Bullet1 Oct 2026US 2026/0298598 A1The United States of America as represented by the Secretary of the Navy
- Improvements in or relating to command initiated fragmentation charges1 Oct 2026US 2026/0298599 A1Alford IP Limited
- Bullet with controlled fragmentation17 Sep 2026US 2026/0276356 A1Hornady Manufacturing Company
- Payload system and method30 Jul 2026US 2026/0219015 A1Swift Beat, LLC
- Preformed composite fragmentation warhead16 Jul 2026US 2026/0202178 A1Raytheon Company
Most cited
By later US patents
- Large caliber frangible projectile204US 9,212,876 B1The United States of America as represented by the Secretary of the Army · 2015
- Bullet with controlled fragmentation164US 9,658,042 B2Hornady Manufacturing Company · 2017
- Method of making a high-explosive projectile85US 6,502,515 B2Rheinmetall W & M GmbH · 2003
- System for protecting a target from missiles68US 5,661,254 ADiehl GmbH & Co. · 1997
- Polymer ammunition having a projectile made by metal injection molding60US 10,591,260 B2True Velocity IP Holdings, LLC · 2020