F41A 21/48
Barrel mounting means
Official title: Barrel mounting means, e.g. releasable mountings for replaceable barrels
F41A21/48 (Barrel mounting means) appears on 593 US grants and 534 published applications in this corpus.
Search patents in F41A- Granted patents
- 593
- Published applications
- 534
- Assignees
- 243
- Inventors
- 699
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 2 |
| 2003 | 8 | 1 |
| 2004 | 3 | 5 |
| 2005 | 4 | 11 |
| 2006 | 6 | 5 |
| 2007 | 3 | 8 |
| 2008 | 7 | 9 |
| 2009 | 4 | 11 |
| 2010 | 13 | 18 |
| 2011 | 16 | 12 |
| 2012 | 15 | 24 |
| 2013 | 18 | 12 |
| 2014 | 26 | 20 |
| 2015 | 17 | 22 |
| 2016 | 29 | 28 |
| 2017 | 33 | 46 |
| 2018 | 37 | 34 |
| 2019 | 37 | 33 |
| 2020 | 33 | 33 |
| 2021 | 39 | 56 |
| 2022 | 35 | 38 |
| 2023 | 34 | 37 |
| 2024 | 33 | 23 |
| 2025 | 29 | 24 |
| 2026 | 14 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Weapon usage monitoring system having real-time performance metrics feedback based on discharge event detection29 Sep 2026US 12,747,922 B2Armaments Research Company, Inc.
- Spade grip attachment assembly for a minigun29 Sep 2026US 12,747,925 B2CHD Holdings, LLC
- Modular handgun22 Sep 2026US 12,742,605 B2ZEV Technologies, Inc.
- Firearm assembly with segregated take down lugs22 Sep 2026US 12,742,608 B2Elite Illyrian, Corp.
- Handguard with barrel nut locking mechanisms8 Sep 2026US 12,729,930 B2Killer Innovations, Inc.
- A mechanism system for fully and semi-automatic rifles17 Sep 2026US 2026/0276333 A1Retay Silah Otomotiv Insaat Ve Gida Sanayi Ve Ticaret Limited Sirketi
- Takedown firearm17 Sep 2026US 2026/0276340 A1Savage Arms, Inc.
- Suppressed barrel assemblies10 Sep 2026US 2026/0266572 A1
- Barrel nut assemblies27 Aug 2026US 2026/0251415 A1
- Firearm with geared barrel nut20 Aug 2026US 2026/0243534 A1Caracal International, LLC
Most cited
By later US patents
- Automatic rifle gas system170US 4,765,224 A1988
- Charging handle with forward assist function129US 7,798,045 B1Magpul Industries Corp. · 2010
- Automatic or semi-automatic rifle121US 8,051,595 B2Colt Defense LLC · 2011
- Rifle handguard system with integrated barrel nut105US 6,694,660 B12004
- Gas actuated pistol94US 4,563,937 AMagnum Research, Inc. · 1986