A61B 3/0285
Phoropters
Official title: {Phoropters}
A61B3/0285 (Phoropters) appears on 218 US grants and 249 published applications in this corpus.
Search patents in A61B- Granted patents
- 218
- Published applications
- 249
- Assignees
- 77
- Inventors
- 258
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 4 |
| 2004 | 2 | 11 |
| 2005 | 3 | 8 |
| 2006 | 2 | 9 |
| 2007 | 9 | 6 |
| 2008 | 5 | 5 |
| 2009 | 4 | 4 |
| 2010 | 5 | 2 |
| 2011 | 5 | 7 |
| 2012 | 4 | 6 |
| 2013 | 6 | 7 |
| 2014 | 7 | 5 |
| 2015 | 4 | 9 |
| 2016 | 11 | 14 |
| 2017 | 9 | 42 |
| 2018 | 4 | 10 |
| 2019 | 36 | 8 |
| 2020 | 11 | 15 |
| 2021 | 9 | 13 |
| 2022 | 13 | 19 |
| 2023 | 10 | 15 |
| 2024 | 7 | 7 |
| 2025 | 10 | 14 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phoropter and optometry device for testing an individual's eyes18 Aug 2026US 12,708,260 B2Essilor International
- System for determining a subjective value of an optical feature of at least a corrective lens adapted to an eye of a subject and associated method11 Aug 2026US 12,702,289 B2Essilor International
- Multi-channel subjective refractor14 Jul 2026US 12,678,040 B2RxSight, Inc.
- Multi-channel subjective refractor14 Jul 2026US 12,678,041 B2RxSight, Inc.
- Apparatus and method for determining an eye property14 Jul 2026US 12,678,044 B2PlenOptika, Inc.
- Optometry device for testing the eyes of an individual, associated method and computer program product17 Sep 2026US 2026/0272281 A1Essilor International
- Vision Testing Device with Interchangeable Lens Assembly Modules17 Sep 2026US 2026/0272296 A1Radius XR, LLC
- Method for evaluating an individual's astigmatism3 Sep 2026US 2026/0256351 A1Siview
- Apparatus and method for determining refraction error of at least an eye of a subject16 Jul 2026US 2026/0198772 A1Essilor International
- Telescopic ocular refraction test apparatus, system, and method16 Jul 2026US 2026/0198773 A1Dr Rp Holdings, LLC
Most cited
By later US patents
- Optical lens system with electro-active lens having alterably different focal lengths247US 6,619,799 B1E-Vision, LLC · 2003
- System, apparatus, and method for correcting vision using an electro-active lens133US 6,918,670 B2E-Vision, LLC · 2005
- Electro-active multi-focal spectacle lens128US 6,857,741 B2E-Vision, LLC · 2005
- Augmented and virtual reality display systems and methods for diagnosing a user using electrical potentials86US 10,345,592 B2Magic Leap, Inc. · 2019
- System, apparatus, and method for correcting vision using an electro-active lens78US 7,475,985 B2PixelOptics, Inc. · 2009