F41A 21/482
Using continuous threads on the barrel
Official title: {using continuous threads on the barrel}
F41A21/482 (Using continuous threads on the barrel) appears on 180 US grants and 164 published applications in this corpus.
Search patents in F41A- Granted patents
- 180
- Published applications
- 164
- Assignees
- 82
- Inventors
- 236
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 0 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 3 | 1 |
| 2007 | 1 | 4 |
| 2008 | 3 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 5 |
| 2011 | 4 | 3 |
| 2012 | 5 | 9 |
| 2013 | 5 | 4 |
| 2014 | 7 | 4 |
| 2015 | 6 | 5 |
| 2016 | 11 | 12 |
| 2017 | 13 | 13 |
| 2018 | 8 | 10 |
| 2019 | 12 | 11 |
| 2020 | 13 | 15 |
| 2021 | 17 | 18 |
| 2022 | 10 | 10 |
| 2023 | 13 | 10 |
| 2024 | 8 | 7 |
| 2025 | 10 | 10 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Automatic rifle gas system170US 4,765,224 A1988
- Automatic or semi-automatic rifle121US 8,051,595 B2Colt Defense LLC · 2011
- Rifle handguard system with integrated barrel nut105US 6,694,660 B12004
- Quick change infinitely adjustable barrel nut assembly92US 6,959,509 B22005
- Floating gun barrel mount84US 5,412,895 A1995