G02B 27/32
Fiducial marks and measuring scales within the optical system
G02B27/32 (Fiducial marks and measuring scales within the optical system) appears on 473 US grants and 455 published applications in this corpus.
Search patents in G02B- Granted patents
- 473
- Published applications
- 455
- Assignees
- 300
- Inventors
- 994
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 6 | 5 |
| 2003 | 6 | 8 |
| 2004 | 8 | 8 |
| 2005 | 3 | 7 |
| 2006 | 2 | 6 |
| 2007 | 5 | 3 |
| 2008 | 3 | 13 |
| 2009 | 3 | 8 |
| 2010 | 8 | 6 |
| 2011 | 5 | 12 |
| 2012 | 6 | 12 |
| 2013 | 11 | 9 |
| 2014 | 11 | 10 |
| 2015 | 7 | 13 |
| 2016 | 11 | 24 |
| 2017 | 19 | 30 |
| 2018 | 18 | 32 |
| 2019 | 34 | 25 |
| 2020 | 29 | 45 |
| 2021 | 30 | 39 |
| 2022 | 33 | 38 |
| 2023 | 25 | 33 |
| 2024 | 37 | 30 |
| 2025 | 22 | 22 |
| 2026 | 15 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reticle and analysis methods to improve autocollimator accuracy and reduce measurement error6 Oct 2026US 12,754,440 B1
- Active illumination systems18 Aug 2026US 12,710,691 B2Apple Inc.
- Methods, apparatuses, and computer program products for analyzing image data related to fluid samples18 Aug 2026US 12,711,640 B2Honeywell International Inc.
- Adjustable weapon sight system and method of control23 Jun 2026US 12,663,239 B2EOTech, LLC
- Device and method for obtaining images in augmented reality16 Jun 2026US 12,657,839 B2Samsung Electronics Co., Ltd.
- Sight device10 Sep 2026US 2026/0267130 A1Asia Optical Co., Inc.
- Optical system with cant indication27 Aug 2026US 2026/0251425 A1Sig Sauer, Inc.
- Permanently self-luminous sighting element27 Aug 2026US 2026/0251907 A1Smolsys AG
- Aiming Device with a Diffractive Optical Element and Reflective Image Combiner13 Aug 2026US 2026/0235887 A1Marsupial Holdings, Inc.
- Laser glass welding of optical components using fiducials23 Jul 2026US 2026/0209102 A1Intuitive Surgical Operations, Inc.
Most cited
By later US patents
- Gunsight and reticle therefor185US 6,681,512 B2Horus Vision, LLC · 2004
- Apparatus and method for calculating aiming point information for rifle scopes184US 6,516,699 B2Horus Vision, LLC · 2003
- Gunsight and reticle therefor164US 6,453,595 B1Horus Vision, LLC · 2002
- Apparatus and method for calculating aiming point information164US 7,832,137 B2Horus Vision, LLC · 2010
- Optical gun sight151US 4,806,007 AArmson, Inc. · 1989