F41A 3/74
Obturating or packing devices for gas leak prevention in breech mechanisms
F41A3/74 (Obturating or packing devices for gas leak prevention in breech mechanisms) appears on 96 US grants and 39 published applications in this corpus.
Search patents in F41A- Granted patents
- 96
- Published applications
- 39
- Assignees
- 46
- Inventors
- 128
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 5 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 5 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 4 |
| 2021 | 3 | 2 |
| 2022 | 4 | 4 |
| 2023 | 5 | 5 |
| 2024 | 3 | 0 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Armament system with a non-rotating slip-fit labyrinth seal8 Sep 2026US 12,729,767 B1The United States of America as represented by the Secretary of the Army
- Muzzleloader power cell with primer25 Aug 2026US 12,716,683 B2
- Muzzleloader power cell with primer4 Feb 2025US 12,215,955 B2Federal Cartridge Company
- High performance launcher of short projectiles with storage drum6 Aug 2024US 12,055,362 B2Easebon Services Limited
- Firing mechanism of a firearm9 Apr 2024US 11,953,278 B2Centre Firearms Co., Inc.
- Synchronized split-bolt breech closure for firearms28 May 2026US 2026/0146813 A1
- Muzzleloader power cell with primer5 Jun 2025US 2025/0180324 A1Federal Cartridge Company
- Muzzleloader power cell with primer9 Nov 2023US 2023/0358504 A1Federal Cartridge Company
- High performance launcher of short projectiles with storage drum19 Oct 2023US 2023/0332862 A1Easebon Services Limited
- Firing mechanism of a firearm15 Jun 2023US 2023/0184504 A1Centre Firearms Co., Inc.
Most cited
By later US patents