F41A 3/16
The locking elements effecting a rotary movement about the barrel axis
Official title: the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks
F41A3/16 (The locking elements effecting a rotary movement about the barrel axis) appears on 490 US grants and 430 published applications in this corpus.
Search patents in F41A- Granted patents
- 490
- Published applications
- 430
- Assignees
- 166
- Inventors
- 503
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 7 |
| 2003 | 8 | 2 |
| 2004 | 5 | 3 |
| 2005 | 2 | 5 |
| 2006 | 1 | 1 |
| 2007 | 2 | 3 |
| 2008 | 2 | 4 |
| 2009 | 4 | 10 |
| 2010 | 8 | 15 |
| 2011 | 15 | 5 |
| 2012 | 10 | 21 |
| 2013 | 13 | 14 |
| 2014 | 16 | 15 |
| 2015 | 22 | 22 |
| 2016 | 25 | 20 |
| 2017 | 27 | 31 |
| 2018 | 31 | 27 |
| 2019 | 31 | 26 |
| 2020 | 30 | 34 |
| 2021 | 38 | 25 |
| 2022 | 23 | 37 |
| 2023 | 38 | 30 |
| 2024 | 32 | 26 |
| 2025 | 23 | 20 |
| 2026 | 9 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mechanism disassembly device for weapons with bolt mechanism1 Sep 2026US 12,723,828 B2
- Firearm25 Aug 2026US 12,716,665 B2
- Slide assembly for a firearm14 Jul 2026US 12,680,770 B2Shadow Systems LLC
- Rifle with straight pull bolt action2 Jun 2026US 12,644,660 B2Savage Arms, Inc.
- Recoil assembly for a machine gun26 May 2026US 12,638,261 B2Sig Sauer, Inc.
- Slide assembly for a firearm24 Sep 2026US 2026/0287286 A1Shadow Systems LLC
- Rifle with straight pull bolt action17 Sep 2026US 2026/0276328 A1Savage Arms, Inc.
- Rotatable firearm bolt assembly and firearms including the same17 Sep 2026US 2026/0276342 A1
- Bolt action firearm27 Aug 2026US 2026/0251412 A1
- Modular bolt action20 Aug 2026US 2026/0243530 A1
Most cited
By later US patents
- Open bolt conversion apparatus112US 4,057,003 A1977
- Gas actuated pistol94US 4,563,937 AMagnum Research, Inc. · 1986
- Gas-operated M16 pistol93US 5,448,940 AOlympic Arms, Inc. · 1995
- Monolithic rail platform and bolt assemblies for a firearm90US 8,234,808 B22012
- Electronic firearm and process for controlling an electronic firearm87US 5,755,056 ARemington Arms Company, Inc. · 1998