F42B 5/18
Caseless ammunition
Official title: Caseless ammunition; Cartridges having combustible cases
F42B5/18 (Caseless ammunition) appears on 184 US grants and 89 published applications in this corpus.
Search patents in F42B- Granted patents
- 184
- Published applications
- 89
- Assignees
- 70
- Inventors
- 308
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 5 |
| 2003 | 7 | 5 |
| 2004 | 6 | 4 |
| 2005 | 3 | 2 |
| 2006 | 2 | 4 |
| 2007 | 1 | 5 |
| 2008 | 2 | 2 |
| 2009 | 2 | 2 |
| 2010 | 4 | 8 |
| 2011 | 2 | 4 |
| 2012 | 3 | 7 |
| 2013 | 8 | 0 |
| 2014 | 6 | 2 |
| 2015 | 0 | 0 |
| 2016 | 7 | 4 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 2 |
| 2020 | 4 | 6 |
| 2021 | 7 | 1 |
| 2022 | 4 | 4 |
| 2023 | 4 | 6 |
| 2024 | 5 | 4 |
| 2025 | 4 | 3 |
| 2026 | 2 | 4 |
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
- End cap24 Mar 2026US 12,584,719 B2BAE SYSTEMS plc
- Projectile and caseless cartridge18 Nov 2025US 12,474,145 B1Revolutionary Rounds L.L.C.
- Optical spectrum light-curable cartridge case sealant method and apparatus23 Sep 2025US 12,422,235 B2Hernon Manufacturing, Inc.
- Combustible containers manufactured using reactive injection molding of azido polymers24 Jun 2025US 12,337,511 B2General Dynamics Ordnance and Tactical Systems - Canada, Inc.
- Multi-shot disrupter24 Sep 2026US 2026/0287301 A1Applied Research Associates, Inc.
- Combustible propellant charge sleeve23 Apr 2026US 2026/0110523 A1Nitrochemie Aschau GmbH
- Extending airframe beam spring lock9 Apr 2026US 2026/0097839 A1Raytheon Company
- Combustible charges adhering to the inner wall of a combustible structure containing a propellant charge9 Apr 2026US 2026/0098714 A1Eurenco France SAS
- Plastic cartridge case for artillery shot18 Dec 2025US 2025/0383187 A1Transarmory Ltd
Most cited
By later US patents
- Ammunition with a shell whose wall consists of combustible or consumable wound body228US 6,523,476 B1Dynamit Nobel GmbH Explosivstoff-und Systemtechnik · 2003
- Device to fasten a sealing base onto an ammunition case and base adapted to this fastening device214US 6,450,099 B1Giat Industries · 2002
- Igniting device for a propellant charge214US 6,708,621 B1Giat Industries · 2004
- Propulsion system208US 6,357,357 B1Alliant Techsystems Inc. · 2002
- Case base/combustible cartridge case joint206US 5,563,365 AThe United States of America as represented by the Secretary of the Army · 1996