F41A 21/32
Muzzle attachments or glands
Official title: Muzzle attachments or glands (F41A21/26, F41A21/30, F41A21/46 take precedence {; for projectile velocity measurements G01P3/665, G01P3/685})
F41A21/32 (Muzzle attachments or glands) appears on 889 US grants and 758 published applications in this corpus.
Search patents in F41A- Granted patents
- 889
- Published applications
- 758
- Assignees
- 322
- Inventors
- 1,067
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 10 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 14 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 1 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 11 | 2 |
| 2002 | 9 | 6 |
| 2003 | 14 | 12 |
| 2004 | 7 | 5 |
| 2005 | 6 | 9 |
| 2006 | 9 | 10 |
| 2007 | 9 | 11 |
| 2008 | 4 | 8 |
| 2009 | 13 | 9 |
| 2010 | 15 | 27 |
| 2011 | 20 | 23 |
| 2012 | 25 | 23 |
| 2013 | 26 | 22 |
| 2014 | 42 | 28 |
| 2015 | 34 | 36 |
| 2016 | 33 | 39 |
| 2017 | 29 | 41 |
| 2018 | 45 | 59 |
| 2019 | 63 | 51 |
| 2020 | 56 | 55 |
| 2021 | 42 | 55 |
| 2022 | 40 | 34 |
| 2023 | 43 | 60 |
| 2024 | 48 | 49 |
| 2025 | 51 | 45 |
| 2026 | 40 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Locating fastener for firearm optic6 Oct 2026US 12,753,994 B2Axts Inc
- Muzzle device with external threads and accessory mount22 Sep 2026US 12,742,607 B2
- Muzzle device adapter system15 Sep 2026US 12,736,297 B2SilencerCo Weapons Research, LLC
- Compensators and compensator systems for firearms8 Sep 2026US 12,729,924 B1Vantage Point Archery, LLC
- Measuring pressure for firearm accessories1 Sep 2026US 12,723,831 B2SilencerCo Weapons Research, LLC
- Firearm accessory mounts1 Oct 2026US 2026/0298574 A1Shaw Armament Systems, LLC
- Suppressor connector for firearms17 Sep 2026US 2026/0276339 A1Irregular Design Group, LLC
- Reverse Thruster Muzzle Brake for Firearms27 Aug 2026US 2026/0251414 A1Defense Research and Development, LLC
- Ratchet cam mount for muzzle attachments13 Aug 2026US 2026/0235376 A1Sig Sauer, Inc.
- Mount for a firearm2 Jul 2026US 2026/0185790 A1WHG Properties, LLC
Most cited
By later US patents