F42B 33/02
Filling cartridges, missiles, or fuzes
Official title: Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges {(F42B33/004 takes precedence)}
F42B33/02 (Filling cartridges, missiles, or fuzes) appears on 347 US grants and 330 published applications in this corpus.
Search patents in F42B- Granted patents
- 347
- Published applications
- 330
- Assignees
- 135
- Inventors
- 498
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 2 |
| 2003 | 3 | 0 |
| 2004 | 4 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 5 |
| 2007 | 0 | 3 |
| 2008 | 3 | 5 |
| 2009 | 3 | 2 |
| 2010 | 3 | 4 |
| 2011 | 6 | 8 |
| 2012 | 3 | 8 |
| 2013 | 7 | 9 |
| 2014 | 9 | 7 |
| 2015 | 10 | 11 |
| 2016 | 11 | 22 |
| 2017 | 14 | 32 |
| 2018 | 11 | 20 |
| 2019 | 37 | 40 |
| 2020 | 22 | 32 |
| 2021 | 27 | 51 |
| 2022 | 36 | 20 |
| 2023 | 13 | 15 |
| 2024 | 18 | 10 |
| 2025 | 12 | 7 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F42B 33/0207Processes for loading or filling propulsive or explosive charges in containers95
- F42B 33/0285Measuring explosive-charge levels in containers or cartridge cases69
- F42B 33/025By compacting45
- F42B 33/0214By casting42
- F42B 33/0264By using screw-type feeders9
- F42B 33/0278Safety arrangements therefor4
Recent patents
- Flash directed reactive target and method of manufacture18 Aug 2026US 12,710,259 B2Firebird Holdings LLC
- Common carrier munition2 Jun 2026US 12,644,685 B2BAE SYSTEMS plc
- Ammunition tuned for a given firearm barrel length and system and method for making the same26 May 2026US 12,638,277 B1
- Sinter bonded projectile14 Apr 2026US 12,601,576 B2
- Projectile for a non-lethal weapon10 Feb 2026US 12,546,577 B2
- Jacketed projectile having a variable density core1 Oct 2026US 2026/0298601 A1True Velocity IP Holdings, LLC
- Shotgun Shell and Shot Compositions6 Aug 2026US 2026/0227162 A1Dlm Holding Group LLC
- Ammunition reloading kit7 May 2026US 2026/0126279 A1RCBS Precisioneered Reloading, LLC
- Seating of a primer9 Apr 2026US 2026/0098715 A1Mannis Operations LLC
- Lightweight polymer cartridge having multiple components19 Mar 2026US 2026/0078989 A1
Most cited
By later US patents
- Narrowing high strength polymer-based cartridge casing for blank and subsonic ammunition277US 8,763,535 B2PCP Tactical, LLC · 2014
- Lightweight polymer ammunition cartridge casings245US 8,561,543 B2True Velocity, Inc. · 2013
- Ammunition articles and methods for making the same235US 9,032,855 B1Carolina PCA, LLC · 2015
- Subsonic ammunication articles having a rigid outer casing or rigid inner core and methods for making the same221US 9,200,880 B1Carolina PCA, LLC · 2015
- Method of making lightweight polymer ammunition208US 9,441,930 B2True Velocity, Inc. · 2016