F42B 5/32
For rim fire
Official title: for rim fire
F42B5/32 (For rim fire) appears on 38 US grants and 31 published applications in this corpus.
Search patents in F42B- Granted patents
- 38
- Published applications
- 31
- Assignees
- 18
- Inventors
- 44
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 3 |
| 2016 | 1 | 6 |
| 2017 | 1 | 2 |
| 2018 | 3 | 0 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 4 |
| 2025 | 5 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Firearm cartridge with roll and tapered crimps and related methods for assembly16 Dec 2025US 12,498,204 B1
- Steel compositions, methods of manufacture and uses in producing rimfire cartridges17 Jun 2025US 12,331,372 B2Greer Steel Company
- Low lethal projectile system21 Jan 2025US 12,203,733 B2
- Low lethal projectile system21 Jan 2025US 12,203,736 B2
- Low lethal projectile system21 Jan 2025US 12,203,737 B2
- Steel compositions, methods of manufacture and uses in producing rimfire cartridges2 Oct 2025US 2025/0305079 A1Greer Steel Company
- Steel compositions, methods of manufacture and uses in producing rimfire cartridges16 May 2024US 2024/0158878 A1Greer Steel Company
- Low lethal projectile system1 Feb 2024US 2024/0035786 A1
- Low lethal projectile system1 Feb 2024US 2024/0035787 A1
- Low lethal projectile system1 Feb 2024US 2024/0035788 A1
Most cited
By later US patents
- Ring fire primer163US 9,857,151 B2General Dynamics Ordnance and Tactical Systems - Canada, Inc. · 2018
- Less-lethal munition and mechanical firing device124US 9,879,954 B2Snake River Machine, Inc. · 2018
- Cartridge for a firearm79US 7,458,322 B22008
- Lead-free primed rimfire cartridge43US 5,216,199 ABlount, Inc. · 1993
- Non-toxic, non-corrosive rimfire cartridge22US 4,674,409 AOlin Corporation · 1987