F41A 3/66
Breech housings or frames
Official title: Breech housings or frames; Receivers
F41A3/66 (Breech housings or frames) appears on 961 US grants and 1,014 published applications in this corpus.
Search patents in F41A- Granted patents
- 961
- Published applications
- 1,014
- Assignees
- 329
- Inventors
- 1,079
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 6 |
| 2006 | 1 | 4 |
| 2007 | 1 | 4 |
| 2008 | 5 | 4 |
| 2009 | 1 | 11 |
| 2010 | 8 | 14 |
| 2011 | 19 | 13 |
| 2012 | 12 | 21 |
| 2013 | 15 | 15 |
| 2014 | 30 | 44 |
| 2015 | 45 | 53 |
| 2016 | 49 | 49 |
| 2017 | 56 | 101 |
| 2018 | 88 | 91 |
| 2019 | 96 | 72 |
| 2020 | 93 | 85 |
| 2021 | 90 | 88 |
| 2022 | 74 | 71 |
| 2023 | 81 | 80 |
| 2024 | 69 | 59 |
| 2025 | 62 | 70 |
| 2026 | 38 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plastic receiver structure on PCP guns6 Oct 2026US 12,753,982 B2
- Rifle chassis interlock to rifle stock device and system15 Sep 2026US 12,736,301 B2Amend2, LLC
- Bolt action rifle chassis8 Sep 2026US 12,729,928 B2Amend2, LLC
- Firearm25 Aug 2026US 12,716,665 B2
- 3D printed bolt receiver with reinforcing blade and picatinny rail25 Aug 2026US 12,716,667 B2
- Modular pistol grip8 Oct 2026US 2026/0309439 A1ARSENAL COLLECTION s.r.o.
- Firearm with integrated lower receiver components8 Oct 2026US 2026/0309440 A1Xcal IP LLC
- Devices and methods for attaching a shotgun magazine tube8 Oct 2026US 2026/0309441 A1Palmetto State Armory, LLC
- Trigger housing1 Oct 2026US 2026/0298571 A1HS Produkt D.O.O.
- Optics mounting system for a firearm1 Oct 2026US 2026/0298586 A1HS Produkt D.O.O.
Most cited
By later US patents
- Law enforcement carbine with one piece receiver151US 7,775,150 B2Colt Defense LLC · 2010
- Automatic or semi-automatic rifle121US 8,051,595 B2Colt Defense LLC · 2011
- Firearm including improved hand guard95US 8,141,285 B2Adcor Industries, Inc. · 2012
- Monolithic rail platform and bolt assemblies for a firearm90US 8,234,808 B22012
- Law enforcement carbine with one piece receiver84US 7,938,055 B2Colt Defense LLC · 2011