A61B 3/156
For blocking
Official title: {for blocking}
A61B3/156 (For blocking) appears on 246 US grants and 250 published applications in this corpus.
Search patents in A61B- Granted patents
- 246
- Published applications
- 250
- Assignees
- 141
- Inventors
- 473
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 5 |
| 2003 | 5 | 7 |
| 2004 | 3 | 6 |
| 2005 | 2 | 9 |
| 2006 | 5 | 6 |
| 2007 | 4 | 10 |
| 2008 | 13 | 6 |
| 2009 | 5 | 5 |
| 2010 | 3 | 4 |
| 2011 | 2 | 4 |
| 2012 | 3 | 10 |
| 2013 | 7 | 5 |
| 2014 | 5 | 15 |
| 2015 | 5 | 9 |
| 2016 | 20 | 18 |
| 2017 | 8 | 10 |
| 2018 | 13 | 15 |
| 2019 | 11 | 15 |
| 2020 | 9 | 18 |
| 2021 | 16 | 18 |
| 2022 | 11 | 9 |
| 2023 | 13 | 10 |
| 2024 | 13 | 15 |
| 2025 | 10 | 8 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wide field fundus camera with auto montage at a single alignment11 Aug 2026US 12,702,297 B2Retivue, LLC
- Illumination of an eye fundus using non-scanning coherent light30 Jun 2026US 12,667,254 B2Vasoptic Medical Inc.
- Vision device for detecting eye movement16 Jun 2026US 12,653,396 B2P³Lab
- Field adjustable optics lens2 Jun 2026US 12,642,432 B2Phoenix-Micron, Inc.
- Methods and systems for automating opthalmic diagnosis and treatment10 Mar 2026US 12,569,136 B2Scanoptix, Inc.
- Illumination of an eye fundus using non-scanning coherent light1 Oct 2026US 2026/0294238 A1Vasoptic Medical Inc.
- Light management for a vision screening device1 Oct 2026US 2026/0294243 A1Welch Allyn, Inc.
- Medical interfaces and other medical devices, systems, and methods for performing eye exams27 Aug 2026US 2026/0248379 A1Envision Diagnostics, Inc.
- Systems and methods for retinal stimulation and/or collecting retinal signal data6 Aug 2026US 2026/0224106 A1Diamentis Inc.
- Wearable fundus examination device4 Jun 2026US 2026/0151033 A1National Central University
Most cited
By later US patents
- Method and apparatus for improving vision and the resolution of retinal images591US 5,777,719 AUniversity of Rochester · 1998
- Method and apparatus for improving vision and the resolution of retinal images381US 6,095,651 AUniversity of Rochester · 2000
- Method and apparatus for improving vision and the resolution of retinal images289US 5,949,521 AUniversity of Rochester · 1999
- Method and apparatus for removal of bright or dark spots by the fusion of multiple images181US 6,088,470 ASarnoff Corporation · 2000
- Eye tracking system and method163US 5,345,281 A1994