A61B 3/154
For spacing
Official title: {for spacing}
A61B3/154 (For spacing) appears on 53 US grants and 60 published applications in this corpus.
Search patents in A61B- Granted patents
- 53
- Published applications
- 60
- Assignees
- 35
- Inventors
- 107
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 4 |
| 2015 | 1 | 3 |
| 2016 | 6 | 4 |
| 2017 | 4 | 9 |
| 2018 | 7 | 4 |
| 2019 | 4 | 2 |
| 2020 | 3 | 4 |
| 2021 | 3 | 7 |
| 2022 | 4 | 1 |
| 2023 | 7 | 2 |
| 2024 | 3 | 4 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical detection system capable of providing auxiliary light source projection26 May 2026US 12,635,880 B2Crystalvue Medical Corporation
- Medical interfaces and other medical devices, systems, and methods for performing eye exams3 Feb 2026US 12,539,031 B2Envision Diagnostics, Inc.
- Medical devices, systems, and methods for performing eye exams and eye tracking22 Apr 2025US 12,279,820 B2Envision Diagnostics, Inc.
- Wide-angle pupil relay for cellphone-based fundus camera3 Dec 2024US 12,156,698 B2Nikon Corporation
- Coaxial non-mydriatic multispectral fundus camera using near-infrared ray illumination source and visible ray illumination source5 Nov 2024US 12,133,685 B2Ark, Inc.
- Medical interfaces and other medical devices, systems, and methods for performing eye exams27 Aug 2026US 2026/0248379 A1Envision Diagnostics, Inc.
- Medical devices, systems, and methods for performing eye exams and eye tracking23 Apr 2026US 2026/0108147 A1Envision Diagnostics, Inc.
- Ophthalmic Ranging Instrument25 Sep 2025US 2025/0295310 A1Optos PLC
- Detecting an intraocular lens in an image of an eye24 Jul 2025US 2025/0235099 A1Alcon Inc.
- System and method for removal of corneal specular reflections in eye imaging5 Dec 2024US 2024/0404050 A1Johnson & Johnson Surgical Vision, Inc.
Most cited
By later US patents
- Digital eye camera71US 6,685,317 B2Massie Research Laboratories, Inc. · 2004
- Corneal topographer with central and peripheral measurement capability27US 6,116,738 AVismed · 2000
- Apparatus and method for illuminating and imaging the retina of an eye of a patient25US 8,454,161 B2Clarity Medical Systems, Inc. · 2013
- Optical instrument alignment system20US 8,333,474 B2WaveTec Vision Systems, Inc. · 2012
- Digital eye camera12US 6,921,169 B2Massie Laboratories, Inc. · 2005