F41A 9/75
Having a spiral cartridge channel
Official title: having a spiral cartridge channel
F41A9/75 (Having a spiral cartridge channel) appears on 48 US grants and 35 published applications in this corpus.
Search patents in F41A- Granted patents
- 48
- Published applications
- 35
- Assignees
- 22
- Inventors
- 68
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 4 |
| 2012 | 3 | 3 |
| 2013 | 2 | 0 |
| 2014 | 4 | 2 |
| 2015 | 2 | 4 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 2 | 3 |
| 2020 | 4 | 3 |
| 2021 | 3 | 3 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
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
- Spiral drum magazine with elongated magazine clip and single piece last round follower71US 4,926,742 APoly Technologies, Inc. · 1990
- Magazine for pump action shotgun62US 5,561,258 A1996
- Projectile container for use with a device that selectively discharges fragile projectiles, such as paintballs, under the influence of a source of fluid pressure61US 5,097,816 A1992
- Indexing helical feed magazine51US 5,335,579 ACalico Light Weapon Systems · 1994
- Magazine loaded pump action shotgun45US 6,032,395 A2000