F42B 5/307
Formed by assembling several elements
Official title: formed by assembling several elements
F42B5/307 (Formed by assembling several elements) appears on 279 US grants and 386 published applications in this corpus.
Search patents in F42B- Granted patents
- 279
- Published applications
- 386
- Assignees
- 61
- Inventors
- 181
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 1 | 4 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 4 | 7 |
| 2013 | 5 | 5 |
| 2014 | 8 | 10 |
| 2015 | 6 | 11 |
| 2016 | 12 | 28 |
| 2017 | 13 | 32 |
| 2018 | 20 | 31 |
| 2019 | 30 | 63 |
| 2020 | 29 | 37 |
| 2021 | 42 | 74 |
| 2022 | 33 | 30 |
| 2023 | 14 | 7 |
| 2024 | 11 | 13 |
| 2025 | 14 | 10 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Plastic cartridge case for artillery shot11 Aug 2026US 12,704,359 B2
- Carbon fiber ammunition casing11 Aug 2026US 12,704,360 B1
- Polymeric-based ammunition cartridge casing with improved geometry16 Jun 2026US 12,656,091 B2Imi Systems Ltd.
- End cap24 Mar 2026US 12,584,719 B2BAE SYSTEMS plc
- Polymer cartridge with snapfit metal insert27 Jan 2026US 12,535,306 B2PCP Tactical, LLC
- 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
- Hybrid cartridge3 Sep 2026US 2026/0259027 A1True Velocity IP Holdings, LLC
- Polymeric cartridge assembly7 May 2026US 2026/0126277 A1
Most cited
By later US patents
- 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
- Narrowing high strength polymer-based cartridge casing for blank and subsonic ammunition277US 8,763,535 B2PCP Tactical, LLC · 2014
- Propulsive-charge case273US 3,955,506 ARheinmetall GmbH · 1976