F42B 5/00
Cartridge ammunition
Official title: Cartridge ammunition, e.g. separately-loaded propellant charges (shotgun ammunition F42B7/00; practice or training ammunition F42B8/00; missiles therefor F42B12/00, F42B14/00, F42B15/00)
F42B5/00 (Cartridge ammunition) appears on 1,800 US grants and 1,475 published applications in this corpus.
Search patents in F42B- Granted patents
- 1,800
- Published applications
- 1,475
- Assignees
- 536
- Inventors
- 2,321
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 25 | 0 |
| 1978 | 10 | 0 |
| 1979 | 13 | 0 |
| 1980 | 17 | 0 |
| 1981 | 7 | 0 |
| 1982 | 10 | 0 |
| 1983 | 10 | 0 |
| 1984 | 15 | 0 |
| 1985 | 23 | 0 |
| 1986 | 22 | 0 |
| 1987 | 29 | 0 |
| 1988 | 17 | 0 |
| 1989 | 24 | 0 |
| 1990 | 25 | 0 |
| 1991 | 32 | 0 |
| 1992 | 29 | 0 |
| 1993 | 35 | 0 |
| 1994 | 26 | 0 |
| 1995 | 24 | 0 |
| 1996 | 24 | 0 |
| 1997 | 20 | 0 |
| 1998 | 36 | 0 |
| 1999 | 19 | 0 |
| 2000 | 18 | 0 |
| 2001 | 29 | 8 |
| 2002 | 28 | 23 |
| 2003 | 33 | 34 |
| 2004 | 28 | 34 |
| 2005 | 19 | 40 |
| 2006 | 26 | 38 |
| 2007 | 19 | 32 |
| 2008 | 24 | 30 |
| 2009 | 25 | 34 |
| 2010 | 30 | 49 |
| 2011 | 40 | 66 |
| 2012 | 50 | 61 |
| 2013 | 49 | 36 |
| 2014 | 64 | 59 |
| 2015 | 55 | 62 |
| 2016 | 62 | 88 |
| 2017 | 58 | 90 |
| 2018 | 68 | 72 |
| 2019 | 83 | 118 |
| 2020 | 90 | 110 |
| 2021 | 103 | 113 |
| 2022 | 84 | 84 |
| 2023 | 54 | 58 |
| 2024 | 58 | 48 |
| 2025 | 50 | 49 |
| 2026 | 30 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Subsonic firearm cartridge6 Oct 2026US 12,753,998 B2Q, LLC
- Projectile system22 Sep 2026US 12,742,624 B2
- Methods for increasing the number of countermeasure expendables for dispensing systems15 Sep 2026US 12,736,296 B2BAE Systems Information and Electronic Systems Integration Inc.
- Reusable shell casing for a reloadable throwline projective launcher8 Sep 2026US 12,729,940 B2
- Directed energy ignition of standard primers1 Sep 2026US 12,723,858 B2MegaWatt Lasers, Inc.
- Cartridge case having a neck with increased thickness8 Oct 2026US 2026/0309471 A1PCP Tactical, LLC
- Polymer ammunition article designed for use across a wide temperature range1 Oct 2026US 2026/0298593 A1PCP Tactical, LLC
- Two-piece insert and/or flash tube for polymer ammunition cartridges1 Oct 2026US 2026/0298594 A1PCP Tactical, LLC
- Multi-shot disrupter24 Sep 2026US 2026/0287301 A1Applied Research Associates, Inc.
- Propellant charge and cannon shell therewith17 Sep 2026US 2026/0276353 A1
Most cited
By later US patents
- Lead free, composite polymer based bullet and method of manufacturing288US 7,204,191 B2Polytech Ammunition Company · 2007
- Composite polymer based cartridge case having an overmolded metal cup, polymer plug base assembly282US 7,213,519 B2Polytech Ammunition Company · 2007
- Pressure regulating composite cartridge281US 5,259,288 A1993
- Ammunition cartridge277US 4,147,107 AKUPAG Kunststoff-Patent-Verwaltungs AG · 1979
- Composite cartridge for high velocity rifles and the like277US 5,033,386 A1991