F41A 25/12
Using coil springs
Official title: using coil springs
F41A25/12 (Using coil springs) appears on 91 US grants and 67 published applications in this corpus.
Search patents in F41A- Granted patents
- 91
- Published applications
- 67
- Assignees
- 43
- Inventors
- 125
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 5 |
| 2011 | 2 | 2 |
| 2012 | 8 | 2 |
| 2013 | 1 | 1 |
| 2014 | 5 | 2 |
| 2015 | 3 | 3 |
| 2016 | 3 | 5 |
| 2017 | 4 | 3 |
| 2018 | 3 | 3 |
| 2019 | 3 | 8 |
| 2020 | 7 | 4 |
| 2021 | 9 | 2 |
| 2022 | 3 | 3 |
| 2023 | 5 | 5 |
| 2024 | 5 | 3 |
| 2025 | 4 | 3 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recoil assembly for a machine gun26 May 2026US 12,638,261 B2Sig Sauer, Inc.
- Kinetic delay operating system for recoil firearms28 Oct 2025US 12,455,128 B2Eight Holdings LLC
- Recoil management system for a gun19 Aug 2025US 12,392,574 B2Eight Holdings LLC
- Recoil management system28 Jan 2025US 12,209,830 B2Really Right Stuff, LLC
- Recoil mechanism for a firearm14 Jan 2025US 12,196,515 B1
- Recoil assembly for a machine gun24 Sep 2026US 2026/0287295 A1Sig Sauer, Inc.
- Recoil management system13 Aug 2026US 2026/0235378 A1Really Right Stuff, LLC
- One-piece guide rod11 Jun 2026US 2026/0160509 A1Wilson's Gun Shop, Inc
- Integrated multi-port compensator and barrel thru slide11 Jun 2026US 2026/0160515 A1Wilson's Gun Shop, Inc
- Kinetic delay operating system for recoil firearms9 Apr 2026US 2026/0098694 A1Eight Holdings LLC
Most cited
By later US patents
- Firearm recoil reducer51US 4,279,091 A1981
- Automatic or semi-automatic firearm42US 4,019,423 A1977
- Spring enhanced buffer for a firearm34US 8,296,984 B2Abrams Airborne Manufacturing, Inc. · 2012
- Inertial cycling system for firearms31US 5,983,549 AO. F. Mossberg & Sons, Inc. · 1999
- Buffer assembly31US 9,080,823 B12015