F42B 8/04
Blank cartridges, i.e. primed cartridges without projectile but containing an explosive or
Official title: Blank cartridges, i.e. primed cartridges without projectile but containing an explosive or combustible powder charge
F42B8/04 (Blank cartridges, i.e. primed cartridges without projectile but containing an explosive or) appears on 66 US grants and 49 published applications in this corpus.
Search patents in F42B- Granted patents
- 66
- Published applications
- 49
- Assignees
- 27
- Inventors
- 108
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 3 |
| 2015 | 2 | 3 |
| 2016 | 2 | 3 |
| 2017 | 1 | 1 |
| 2018 | 5 | 4 |
| 2019 | 3 | 3 |
| 2020 | 4 | 2 |
| 2021 | 3 | 1 |
| 2022 | 2 | 4 |
| 2023 | 2 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ammunition blank and corresponding bolt11 Nov 2025US 12,467,727 B2Sig Sauer, Inc.
- Polymer-based cartridge casing for subsonic ammunition9 Sep 2025US 12,410,994 B2PCP Tactical, LLC
- Polymer-based cartridge casing for subsonic ammunition7 May 2024US 11,976,911 B2PCP Tactical, LLC
- Muzzleloader systems6 Jun 2023US 11,668,549 B2Federal Cartridge Company
- Reduced-energy cartridge with exterior sealing member for fluted chamber23 May 2023US 11,656,063 B2General Dynamics OTS - Canada Inc.
- Blank firing adaptor cartridge chamber for firearms28 May 2026US 2026/0146818 A1
- Polymer-based cartridge casing for subsonic ammunition12 Mar 2026US 2026/0071857 A1PCP Tactical, LLC
- Ammunition blank and corresponding bolt5 Mar 2026US 2026/0063402 A1Sig Sauer, Inc.
- Polymer-based cartridge casing for subsonic ammunition31 Oct 2024US 2024/0361109 A1PCP Tactical, LLC
- Ammunition blank and corresponding bolt11 Jul 2024US 2024/0230293 A1Sig Sauer, Inc.
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
- Training cartridge257US 4,867,065 ARheinmetal GmbH · 1989
- Training cartridge232US 4,719,859 ADynamit Nobel Aktiengesellschaft · 1988
- Narrowing high strength polymer-based cartridge casing for blank and subsonic ammunition197US 9,003,973 B1PCP Tactical, LLC · 2015
- Plastic ammunition casing and method82US 8,186,273 B22012