F41A 3/58
Breakdown breech mechanisms
Official title: Breakdown breech mechanisms, e.g. for shotguns
F41A3/58 (Breakdown breech mechanisms) appears on 88 US grants and 70 published applications in this corpus.
Search patents in F41A- Granted patents
- 88
- Published applications
- 70
- Assignees
- 37
- Inventors
- 97
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 2 | 3 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 2 | 1 |
| 2014 | 3 | 5 |
| 2015 | 5 | 7 |
| 2016 | 7 | 5 |
| 2017 | 5 | 10 |
| 2018 | 9 | 8 |
| 2019 | 3 | 2 |
| 2020 | 3 | 2 |
| 2021 | 6 | 5 |
| 2022 | 1 | 2 |
| 2023 | 3 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 5 |
| 2026 | 5 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Muzzleloader power cell with primer25 Aug 2026US 12,716,683 B2
- Grenade launcher attachment for rifles2 Jun 2026US 12,644,666 B1
- Break-barrel firearm12 May 2026US 12,624,908 B2Zoli Antonio S.R.L.
- Break-barrel firearm with improved manageability10 Feb 2026US 12,546,546 B2Zoli Antonio S.R.L.
- Break-barrel firearm with mechanical extraction assembly3 Feb 2026US 12,540,784 B2Zoli Antonio S.R.L.
- Shotgun with autococking/decocking mechanisms24 Jul 2025US 2025/0237455 A1
- Break-barrel firearm with mechanical extraction assembly5 Jun 2025US 2025/0180310 A1Zoli Antonio S.R.L.
- Break-barrel firearm with improved manageability5 Jun 2025US 2025/0180311 A1Zoli Antonio S.R.L.
- Break-barrel firearm5 Jun 2025US 2025/0180312 A1ZOLI ANTONIO S.r.I.
- Muzzleloader power cell with primer5 Jun 2025US 2025/0180324 A1Federal Cartridge Company
Most cited
By later US patents
- Gun with pivoting barrel and lever for retaining barrel in position or permitting barrel to pviot50US 4,774,929 AThe Coleman Company, Inc. · 1988
- Fire control system for firearms39US 5,680,722 AThompson Intellectual Properties, Ltd. · 1997
- Single barrel break-action trap shotgun26US 4,964,232 AU. S. Competition Arms, Inc. · 1990
- Over-and-under shotgun apparatus and method21US 6,907,687 B2Browning Arms Company · 2005
- Pistol for slaughtering animals with automatic closure by means of the trigger20US 4,757,627 A1988