F41A 9/73
Drum magazines
F41A9/73 (Drum magazines) appears on 151 US grants and 91 published applications in this corpus.
Search patents in F41A- Granted patents
- 151
- Published applications
- 91
- Assignees
- 68
- Inventors
- 193
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 4 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 4 |
| 2010 | 2 | 4 |
| 2011 | 4 | 8 |
| 2012 | 5 | 5 |
| 2013 | 7 | 3 |
| 2014 | 7 | 5 |
| 2015 | 7 | 6 |
| 2016 | 7 | 5 |
| 2017 | 5 | 2 |
| 2018 | 9 | 8 |
| 2019 | 7 | 8 |
| 2020 | 8 | 6 |
| 2021 | 4 | 4 |
| 2022 | 0 | 2 |
| 2023 | 5 | 2 |
| 2024 | 2 | 1 |
| 2025 | 3 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automatic shooting device of toy gun15 Sep 2026US 12,736,300 B2Guay Guay Trading Co., Ltd.
- Feed tower mounted leaf springs for magazines6 Jan 2026US 12,516,900 B2Magpul Industries Corp.
- Drum-type magazine used in small firearm16 Dec 2025US 12,498,190 B2
- Jam-resistant drum magazine20 May 2025US 12,305,953 B1Jordan Automated Weapons System, LLC
- Firearm magazine with shoulder retention8 Apr 2025US 12,270,622 B1Browning
- Feed tower mounted leaf springs for magazines13 Aug 2026US 2026/0235375 A1
- Pivotable follower for ammunition magazine16 Apr 2026US 2026/0104218 A1
- Feed stop for ammunition magazine2 Apr 2026US 2026/0092751 A1
- Jam-resistant drum magazine15 Jan 2026US 2026/0016249 A1Jordan Automated Weapons System, LLC
- Drum-type magazine used in small firearm4 Dec 2025US 2025/0369713 A1
Most cited
By later US patents
- Drum magazine for automatic pistol or the like85US 4,332,097 A1982
- Device for storing projectile balls and for feeding them to the projectile chamber of a hand weapon82US 6,327,953 B1Armatec GmbH & CIE. KG · 2001
- Spiral drum magazine with elongated magazine clip and single piece last round follower71US 4,926,742 APoly Technologies, Inc. · 1990
- Rapid fire toy launch apparatus67US 9,958,230 B1Hasbro, Inc. · 2018
- Drum magazine62US 4,487,103 A1984