F41A 9/69
Characterised by multiple-row or zigzag arrangement of cartridges
Official title: characterised by multiple-row or zigzag arrangement of cartridges
F41A9/69 (Characterised by multiple-row or zigzag arrangement of cartridges) appears on 105 US grants and 92 published applications in this corpus.
Search patents in F41A- Granted patents
- 105
- Published applications
- 92
- Assignees
- 50
- Inventors
- 141
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 3 | 2 |
| 2012 | 0 | 4 |
| 2013 | 3 | 1 |
| 2014 | 7 | 6 |
| 2015 | 2 | 5 |
| 2016 | 3 | 1 |
| 2017 | 4 | 4 |
| 2018 | 5 | 7 |
| 2019 | 5 | 7 |
| 2020 | 10 | 10 |
| 2021 | 7 | 8 |
| 2022 | 4 | 2 |
| 2023 | 5 | 10 |
| 2024 | 9 | 7 |
| 2025 | 11 | 8 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Increased capacity ammunition magazine29 Sep 2026US 12,747,921 B2Shield Arms, LLC
- Handgun and magazine therefor11 Aug 2026US 12,704,335 B2Sig Sauer, Inc.
- Gun magazine including spring with uneven stack height upon compression19 May 2026US 12,631,414 B2
- Feed tower mounted leaf springs for magazines6 Jan 2026US 12,516,900 B2Magpul Industries Corp.
- Double stack magazine for firearm16 Dec 2025US 12,498,189 B2Sturm, Ruger & Company, Inc.
- Feed tower mounted leaf springs for magazines13 Aug 2026US 2026/0235375 A1
- Polymer firearm magazine width retention system23 Apr 2026US 2026/0110508 A1Sturm, Ruger & Company, Inc.
- Pivotable follower for ammunition magazine16 Apr 2026US 2026/0104218 A1
- Feed stop for ammunition magazine2 Apr 2026US 2026/0092751 A1
- Magazine spring and magazine assembly5 Mar 2026US 2026/0063382 A1Sig Sauer, Inc.
Most cited
By later US patents