F41A 5/18
Gas-operated
Official title: gas-operated
F41A5/18 (Gas-operated) appears on 639 US grants and 563 published applications in this corpus.
Search patents in F41A- Granted patents
- 639
- Published applications
- 563
- Assignees
- 199
- Inventors
- 630
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 1 |
| 2003 | 5 | 4 |
| 2004 | 3 | 1 |
| 2005 | 4 | 9 |
| 2006 | 1 | 3 |
| 2007 | 5 | 4 |
| 2008 | 7 | 3 |
| 2009 | 4 | 9 |
| 2010 | 9 | 22 |
| 2011 | 20 | 18 |
| 2012 | 24 | 29 |
| 2013 | 19 | 14 |
| 2014 | 33 | 46 |
| 2015 | 35 | 38 |
| 2016 | 56 | 48 |
| 2017 | 30 | 41 |
| 2018 | 36 | 33 |
| 2019 | 46 | 41 |
| 2020 | 37 | 41 |
| 2021 | 35 | 29 |
| 2022 | 25 | 35 |
| 2023 | 32 | 28 |
| 2024 | 22 | 24 |
| 2025 | 33 | 21 |
| 2026 | 9 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Adjustable gas valve for firearm28 Jul 2026US 12,693,084 B2KNS Precision, Inc.
- Quick-release firearm gas block23 Jun 2026US 12,663,227 B1Ares Defense Systems, Inc.
- Gas Tube Apparatus and Method for Rifle17 Sep 2026US 2026/0276329 A1
- Anti-rotation gas block assembly17 Sep 2026US 2026/0276330 A103312004 LLC
- Firearm barrel having at least one barrel gas port and method of manufacturing the same20 Aug 2026US 2026/0243532 A1WHG Properties, LLC
- Firearm with forward gas vent passage23 Jul 2026US 2026/0210651 A1Franklin Armory Holdings, Inc.
- Ballistic Multi-Part Chamber Locking Assembly2 Jul 2026US 2026/0185789 A1
Most cited
By later US patents