F42B 5/28
Of metal , i.e. the cartridge-case tube is of metal
Official title: of metal {, i.e. the cartridge-case tube is of metal}
F42B5/28 (Of metal , i.e. the cartridge-case tube is of metal) appears on 183 US grants and 219 published applications in this corpus.
Search patents in F42B- Granted patents
- 183
- Published applications
- 219
- Assignees
- 81
- Inventors
- 243
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 2 | 4 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 3 |
| 2011 | 3 | 3 |
| 2012 | 4 | 7 |
| 2013 | 2 | 7 |
| 2014 | 7 | 7 |
| 2015 | 3 | 9 |
| 2016 | 5 | 10 |
| 2017 | 11 | 15 |
| 2018 | 8 | 10 |
| 2019 | 11 | 27 |
| 2020 | 21 | 24 |
| 2021 | 25 | 26 |
| 2022 | 17 | 16 |
| 2023 | 9 | 9 |
| 2024 | 12 | 15 |
| 2025 | 13 | 10 |
| 2026 | 5 | 7 |
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
- Polymeric-based ammunition cartridge casing with improved geometry16 Jun 2026US 12,656,091 B2Imi Systems Ltd.
- Method and tool for producing a base piece of a multi-part cartridge case, base piece and cartridge case14 Apr 2026US 12,601,573 B2Ruag Ammotec GmbH
- End cap24 Mar 2026US 12,584,719 B2BAE SYSTEMS plc
- Sub-sonic bullet casing10 Sep 2026US 2026/0266586 A1Hornady Manufacturing Company
- Cartridge for ar-15 pattern rifles30 Jul 2026US 2026/0219013 A1
- Multi-piece cartridge casing and method of making2 Jul 2026US 2026/0185809 A1Sig Sauer, Inc.
- Ammunition Cartridge Casing11 Jun 2026US 2026/0160532 A1Next Level Cartridge Company, LLC
- Lightweight Polymer Cased Ammunition19 Mar 2026US 2026/0078988 A1
Most cited
By later US patents
- Ammunition casing244US 8,240,252 B22012
- Ammunition casing235US 8,813,650 B2Solvay Advanced Polymers, L.L.C. · 2014
- Pre-stressed cartridge case230US 5,165,040 AGeneral Dynamics Corporation Air Defense Systems Division · 1992
- Polyphenylene-poly(aryl ether sulfone) blends, articles and method227US 7,750,091 B2Solvay Advanced Polymers, L.L.C. · 2010
- Device to fasten a sealing base onto an ammunition case and base adapted to this fastening device214US 6,450,099 B1Giat Industries · 2002