F41A 19/09
Auxiliary trigger devices
Official title: Auxiliary trigger devices (F41A19/08 takes precedence)
F41A19/09 (Auxiliary trigger devices) appears on 76 US grants and 47 published applications in this corpus.
Search patents in F41A- Granted patents
- 76
- Published applications
- 47
- Assignees
- 28
- Inventors
- 98
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 4 |
| 2015 | 9 | 6 |
| 2016 | 2 | 2 |
| 2017 | 5 | 7 |
| 2018 | 5 | 4 |
| 2019 | 6 | 3 |
| 2020 | 3 | 3 |
| 2021 | 3 | 2 |
| 2022 | 4 | 0 |
| 2023 | 4 | 4 |
| 2024 | 5 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Accessories for pistol-to-rifle conversion kit6 Jan 2026US 12,516,901 B2RT Recover Innovations Ltd.
- Trigger relocation assembly for modern sporting firearm10 Jun 2025US 12,326,309 B2
- Bullpup conversion kit and gun including the same10 Jun 2025US 12,326,312 B1
- Aided reset firearm trigger mechanism29 Oct 2024US 12,130,105 B2
- Trigger energy absorption apparatus and method15 Oct 2024US 12,117,255 B1
- Accessories for pistol-to-rifle conversion kit2 Oct 2025US 2025/0305783 A1RT Recover Innovations Ltd.
- An improved device for converting a semi-automatic self-loading gun to a full automatic weapon19 Sep 2024US 2024/0310135 A1Atlas Group International Zrt.
- Method and apparatus for converting an ar pattern rifle firearm into a bullpup configuration7 Mar 2024US 2024/0077263 A1
- Trigger relocation assembly for modern sporting firearm7 Mar 2024US 2024/0077270 A1
- Aided reset firearm trigger mechanism21 Sep 2023US 2023/0296341 A1Unique Forearm Solutions, L.L.C.
Most cited
By later US patents
- Convertible shotgun72US 4,601,123 AO. F. Mossberg & Sons, Inc. · 1986
- Forwardly-placed firearm fire control assembly71US 7,634,959 B2Battelle Energy Alliance, LLC · 2009
- Conversion kit for assault rifle and converted rifle of compact configuration58US 4,463,654 AArmament Research Corporation of America · 1984
- Retrofit firearm50US 4,677,781 AO. F. Mossberg & Sons, Inc. · 1987
- Firearm trigger assembly50US 7,661,220 B2Battelle Energy Alliance, LLC · 2010