F42B 5/26
Cartridge cases
Official title: Cartridge cases (F42B5/18 takes precedence {; manufacturing of cartridge cases B21K21/04})
F42B5/26 (Cartridge cases) appears on 563 US grants and 641 published applications in this corpus.
Search patents in F42B- Granted patents
- 563
- Published applications
- 641
- Assignees
- 184
- Inventors
- 609
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 2 |
| 2003 | 1 | 4 |
| 2004 | 5 | 5 |
| 2005 | 6 | 13 |
| 2006 | 6 | 9 |
| 2007 | 4 | 10 |
| 2008 | 4 | 7 |
| 2009 | 7 | 2 |
| 2010 | 5 | 12 |
| 2011 | 6 | 16 |
| 2012 | 13 | 17 |
| 2013 | 11 | 16 |
| 2014 | 17 | 23 |
| 2015 | 22 | 22 |
| 2016 | 19 | 44 |
| 2017 | 23 | 49 |
| 2018 | 37 | 47 |
| 2019 | 42 | 73 |
| 2020 | 43 | 59 |
| 2021 | 56 | 85 |
| 2022 | 47 | 40 |
| 2023 | 23 | 19 |
| 2024 | 22 | 29 |
| 2025 | 29 | 19 |
| 2026 | 11 | 17 |
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
- Reusable shell casing for a reloadable throwline projective launcher8 Sep 2026US 12,729,940 B2
- Plastic cartridge case for artillery shot11 Aug 2026US 12,704,359 B2
- Carbon fiber ammunition casing11 Aug 2026US 12,704,360 B1
- Propellant charge and cannon shell therewith16 Jun 2026US 12,656,090 B2
- 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
- Sub-sonic bullet casing10 Sep 2026US 2026/0266586 A1Hornady Manufacturing Company
- Hybrid cartridge3 Sep 2026US 2026/0259027 A1True Velocity IP Holdings, LLC
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