F41A 9/55
Fixed or movable guiding means, mounted on, or near, the cartridge chamber
Official title: Fixed {or movable} guiding means, mounted on, or near, the cartridge chamber
F41A9/55 (Fixed or movable guiding means, mounted on, or near, the cartridge chamber) appears on 79 US grants and 65 published applications in this corpus.
Search patents in F41A- Granted patents
- 79
- Published applications
- 65
- Assignees
- 46
- Inventors
- 116
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 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 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 2 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 4 |
| 2015 | 4 | 4 |
| 2016 | 4 | 9 |
| 2017 | 7 | 5 |
| 2018 | 3 | 5 |
| 2019 | 3 | 1 |
| 2020 | 6 | 6 |
| 2021 | 6 | 6 |
| 2022 | 3 | 2 |
| 2023 | 3 | 4 |
| 2024 | 4 | 4 |
| 2025 | 4 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Feeding mechanism and method for toy projectile launcher25 Aug 2026US 12,716,671 B2Easebon Services Limited
- Small firearms and method of operating small firearms27 Jan 2026US 12,535,280 B2Schmeisser GmbH
- Box magazine fed firearm receiver with pinch tabs30 Dec 2025US 12,510,316 B2Eight Holdings LLC
- Detachable ammunition magazine23 Sep 2025US 12,422,207 B2Eight Holdings LLC
- Rifles and muzzle loading rifles receiving propellant charge with an extended primer cap in a bolt action configuration, and method of loading20 May 2025US 12,305,950 B2Ardesa, S.A.
- Feeding mechanism and method for toy projectile launcher17 Sep 2026US 2026/0276331 A1Easebon Services Limited
- Firearm casing deflector4 Jun 2026US 2026/0153299 A1
- Integrated feed ramp for a shotgun24 Jul 2025US 2025/0237448 A1Palmetto State Armory, LLC
- Feeding mechanism and method for toy projectile launcher24 Apr 2025US 2025/0130001 A1Easebon Services Limited
- Box magazine fed firearm receiver with pinch tabs27 Mar 2025US 2025/0102252 A1Eight Holdings LLC
Most cited
By later US patents
- Magazine loaded pump action shotgun45US 6,032,395 A2000
- Rimfire firearm receiver34US 4,930,238 A1990
- Firearm with magazine release lever34US 9,194,638 B2Rock River Arms, Inc. · 2015
- Chambering of low-energy training ammunition in automatic firearms31US 5,983,773 ASNC Industrial Technologies Inc./Les Technologies Industrielles SNC Inc. · 1999
- Ammunition chambering mechanism for automatic firearms31US 6,276,252 B1SNC Technologies Inc. · 2001