A61B 3/165
Non-contacting tonometers
Official title: {Non-contacting tonometers}
A61B3/165 (Non-contacting tonometers) appears on 273 US grants and 265 published applications in this corpus.
Search patents in A61B- Granted patents
- 273
- Published applications
- 265
- Assignees
- 118
- Inventors
- 475
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 4 |
| 2003 | 6 | 13 |
| 2004 | 4 | 14 |
| 2005 | 2 | 2 |
| 2006 | 3 | 4 |
| 2007 | 3 | 6 |
| 2008 | 4 | 7 |
| 2009 | 5 | 9 |
| 2010 | 3 | 6 |
| 2011 | 5 | 7 |
| 2012 | 3 | 8 |
| 2013 | 8 | 5 |
| 2014 | 4 | 14 |
| 2015 | 4 | 2 |
| 2016 | 9 | 10 |
| 2017 | 4 | 41 |
| 2018 | 6 | 11 |
| 2019 | 33 | 8 |
| 2020 | 15 | 12 |
| 2021 | 11 | 23 |
| 2022 | 13 | 18 |
| 2023 | 11 | 12 |
| 2024 | 9 | 12 |
| 2025 | 10 | 9 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for characterization of a ductile membrane, surface and sub-surface properties29 Sep 2026US 12,745,986 B2OtoNexus Medical Technologies, Inc.
- Ultrasonic tonometer and non-transitory computer readable storage medium25 Aug 2026US 12,714,391 B2Nidek Co., Ltd.
- Ultrasound intraocular pressure sensor in sclera or in cornea21 Jul 2026US 12,685,442 B2Verily Health Inc.
- Pneumatic esthesiometer with gas pulse-conditioner17 Feb 2026US 12,551,104 B2The Trustees of Indiana University
- Alignment system for ophthalmic instrument16 Dec 2025US 12,495,964 B2CooperVision International Limited
- Tonometer for determining properties of eye and method thereof10 Sep 2026US 2026/0262939 A1Icare Finland Oy
- In vivo biomechanical strain response of the lamina cribrosa to intraocular pressure change as a result of glaucoma medication change13 Aug 2026US 2026/0232189 A1The Johns Hopkins University
- Ophthalmological device21 May 2026US 2026/0137277 A1Topcon Corporation
- Ultrasonic tonometer and ophthalmic ultrasonic actuator21 May 2026US 2026/0137278 A1Nidek Co., Ltd.
- Intraocular pressure measuring device12 Mar 2026US 2026/0069144 A1Mingche Biotechnology Co., Ltd
Most cited
By later US patents
- Non-invasive measurement of eyeball pressure using vibration112US 5,251,627 A1993
- Non-contact tonometer92US 5,148,807 AThe Ohio State University · 1992
- Augmented and virtual reality display systems and methods for diagnosing a user using electrical potentials86US 10,345,592 B2Magic Leap, Inc. · 2019
- Augmented and virtual reality display systems and methods for determining optical prescriptions72US 10,345,590 B2Magic Leap, Inc. · 2019
- Apparatus and method for non-contact, acoustic resonance determination of intraocular pressure68US 5,375,595 AThe Regents of the University of Calif. · 1994