F41G 1/54
Devices for testing or checking
Official title: Devices for testing or checking {; Tools for adjustment of sights}
F41G1/54 (Devices for testing or checking) appears on 339 US grants and 292 published applications in this corpus.
Search patents in F41G- Granted patents
- 339
- Published applications
- 292
- Assignees
- 141
- Inventors
- 518
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 1 |
| 2002 | 8 | 0 |
| 2003 | 4 | 2 |
| 2004 | 4 | 4 |
| 2005 | 4 | 6 |
| 2006 | 2 | 2 |
| 2007 | 7 | 8 |
| 2008 | 5 | 9 |
| 2009 | 4 | 7 |
| 2010 | 5 | 10 |
| 2011 | 7 | 14 |
| 2012 | 7 | 12 |
| 2013 | 13 | 6 |
| 2014 | 14 | 13 |
| 2015 | 13 | 14 |
| 2016 | 19 | 23 |
| 2017 | 16 | 15 |
| 2018 | 13 | 21 |
| 2019 | 20 | 22 |
| 2020 | 22 | 26 |
| 2021 | 22 | 18 |
| 2022 | 18 | 13 |
| 2023 | 13 | 11 |
| 2024 | 12 | 13 |
| 2025 | 17 | 15 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Auxiliary device for calibrating aim point of firearm28 Jul 2026US 12,693,095 B1Shenzhen YingLu Technology Development Co., Ltd
- Adjustable weapon sight system and method of control23 Jun 2026US 12,663,239 B2EOTech, LLC
- Macro alignment reticle sight system16 Jun 2026US 12,656,082 B2Grace Engineering Corp.
- Laser boresighter and firearm calibration system16 Jun 2026US 12,656,083 B1Beijing Huihaozi Technology Co., Ltd
- Firearm system that tracks points of aim of a firearm2 Jun 2026US 12,644,670 B2
- Firearm System that Tracks Points of Aim of a Firearm24 Sep 2026US 2026/0287307 A1
- Macro alignment reticle sight system17 Sep 2026US 2026/0276345 A1Grace Engineering Corp.
- External adjustment base for sight and sight6 Aug 2026US 2026/0227155 A1Zhuhai Mefo Optical Instruments Co., Ltd.
- Auxiliary device for calibrating aim point of firearm30 Jul 2026US 2026/0219010 A1Shenzhen YingLu Technology Development Co., Ltd
- Ranging and ballistic display optical sight30 Jul 2026US 2026/0219490 A1Henrich Technology Co., Ltd
Most cited
By later US patents
- Apparatus and method for displaying and storing impact points of firearm projectiles on a sight field of view215US 5,026,158 A1991
- Scope adjustment method and apparatus130US 6,886,287 B12005
- Bore sighting system and method121US 5,454,168 A1995
- Rifle scope adjustment invention117US 6,772,550 B12004
- Rifle scope vertical alignment apparatus and method81US 5,878,504 A1999