A61M 2205/3306
Optical measuring means
A61M2205/3306 (Optical measuring means) appears on 3,296 US grants and 4,857 published applications in this corpus.
Search patents in A61M- Granted patents
- 3,296
- Published applications
- 4,857
- Assignees
- 1,357
- Inventors
- 7,016
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 1 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 13 | 0 |
| 1997 | 15 | 0 |
| 1998 | 23 | 0 |
| 1999 | 17 | 0 |
| 2000 | 21 | 0 |
| 2001 | 17 | 6 |
| 2002 | 14 | 27 |
| 2003 | 27 | 40 |
| 2004 | 25 | 46 |
| 2005 | 26 | 56 |
| 2006 | 25 | 42 |
| 2007 | 26 | 48 |
| 2008 | 24 | 59 |
| 2009 | 25 | 69 |
| 2010 | 37 | 74 |
| 2011 | 49 | 97 |
| 2012 | 60 | 129 |
| 2013 | 78 | 111 |
| 2014 | 106 | 156 |
| 2015 | 88 | 215 |
| 2016 | 108 | 208 |
| 2017 | 155 | 265 |
| 2018 | 154 | 254 |
| 2019 | 244 | 353 |
| 2020 | 238 | 363 |
| 2021 | 243 | 423 |
| 2022 | 278 | 423 |
| 2023 | 299 | 418 |
| 2024 | 308 | 430 |
| 2025 | 321 | 332 |
| 2026 | 170 | 213 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor positioning and optical sensing for sensor enabled wound therapy dressings and systems6 Oct 2026US 12,751,864 B2Smith & Nephew, Inc.
- Breast pump device and controller for the device, and a control method6 Oct 2026US 12,752,042 B2Koninklijke Philips N. V.
- Injection device and a reusable part therefor6 Oct 2026US 12,752,059 B2Boehringer Ingelheim International GmbH
- Clamping device for medical apparatus6 Oct 2026US 12,752,096 B2Maco Pharma
- Electrostatic discharge protection for sensors in wound therapy29 Sep 2026US 12,745,951 B2Smith & Nephew, Inc.
- Fiber bragg grating for endoscopes8 Oct 2026US 2026/0305915 A1GYRUS ACMI INC. (d.b.a.Olympus Surgical Technologies America)
- Drug infusion device for tumor interventional therapy8 Oct 2026US 2026/0306735 A1Guangzhou Institute of Cancer Research, the Affiliated Cancer Hospital, Guangzhou Medical University
- Liquid delivery cap with alignment verification8 Oct 2026US 2026/0306749 A1Patients Pending Ltd.
- Equipment for simultaneously testing reference and test nasal spray products8 Oct 2026US 2026/0306762 A1Brio Pharmaceuticals Inc.
- Oronasal patient interface adapted for use in positive airway pressure delivery8 Oct 2026US 2026/0306776 A1
Most cited
By later US patents
- Medication delivery device with a microprocessor and characteristic monitor1,907US 5,925,021 AVisionary Medical Products, Inc. · 1999
- Fluid titration system963US 8,048,040 B2Masimo Corporation · 2011
- Programmable infusion system910US 5,078,683 ABlock Medical, Inc. · 1992
- Drug administration controller874US 8,182,443 B1Masimo Corporation · 2012
- Medication delivery device with a microprocessor and characteristic monitor841US 5,593,390 AVisionary Medical Products, Inc. · 1997