F41A 5/24
By direct action of gas pressure on bolt or locking elements
Official title: by direct action of gas pressure on bolt or locking elements
F41A5/24 (By direct action of gas pressure on bolt or locking elements) appears on 102 US grants and 102 published applications in this corpus.
Search patents in F41A- Granted patents
- 102
- Published applications
- 102
- Assignees
- 42
- Inventors
- 109
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 4 | 1 |
| 2012 | 6 | 7 |
| 2013 | 2 | 3 |
| 2014 | 3 | 7 |
| 2015 | 10 | 9 |
| 2016 | 16 | 11 |
| 2017 | 5 | 7 |
| 2018 | 3 | 5 |
| 2019 | 8 | 5 |
| 2020 | 8 | 9 |
| 2021 | 5 | 6 |
| 2022 | 5 | 3 |
| 2023 | 5 | 3 |
| 2024 | 1 | 6 |
| 2025 | 9 | 7 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Staked bolt carrier for a firearm1 Sep 2026US 12,723,827 B2Glock Technology GmbH
- Firearm25 Aug 2026US 12,716,666 B2
- Adjustable gas system25 Aug 2026US 12,716,670 B2Faxon Firearms, LLC
- Reduced weapon system blowback12 May 2026US 12,624,910 B1The United States of America as represented by the Secretary of the Army
- Enhanced bolt carrier assembly18 Nov 2025US 12,474,132 B2
- Ballistic Multi-Part Chamber Locking Assembly2 Jul 2026US 2026/0185789 A1
- Staked bolt carrier for a firearm12 Mar 2026US 2026/0071833 A1Glock Technology GmbH
- Discharge gas system having gas tube with offset end portions12 Feb 2026US 2026/0043627 A1Ares Defense Systems, Inc.
- Bolt carrier and bolt for gas operated firearms1 Jan 2026US 2026/0002746 A1LWRC International LLC
- Gas operating system for low energy ammunition30 Oct 2025US 2025/0334362 A1KRL Holding Company, Inc.
Most cited
By later US patents
- Gas operated action for auto-loading firearms111US 6,971,202 B22005
- Gas-operated M16 pistol93US 5,448,940 AOlympic Arms, Inc. · 1995
- Firearm55US 7,975,595 B2Rmdi, LLC · 2011
- Automatic rifle bolt carrier with fluted boss53US 8,375,616 B2LWRC International LLC · 2013
- Polymer gun43US 4,703,826 ARed Eye Arms, Inc. · 1987