A61M 2230/435
Partial o2 pressure
Official title: partial O2 pressure (P-O2)
A61M2230/435 (Partial o2 pressure) appears on 326 US grants and 501 published applications in this corpus.
Search patents in A61M- Granted patents
- 326
- Published applications
- 501
- Assignees
- 183
- Inventors
- 811
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 3 |
| 2002 | 4 | 5 |
| 2003 | 7 | 5 |
| 2004 | 2 | 10 |
| 2005 | 3 | 16 |
| 2006 | 4 | 12 |
| 2007 | 5 | 21 |
| 2008 | 5 | 30 |
| 2009 | 8 | 14 |
| 2010 | 10 | 16 |
| 2011 | 7 | 12 |
| 2012 | 14 | 23 |
| 2013 | 12 | 23 |
| 2014 | 18 | 14 |
| 2015 | 10 | 17 |
| 2016 | 9 | 24 |
| 2017 | 10 | 24 |
| 2018 | 13 | 16 |
| 2019 | 15 | 9 |
| 2020 | 21 | 30 |
| 2021 | 12 | 28 |
| 2022 | 20 | 40 |
| 2023 | 32 | 39 |
| 2024 | 22 | 29 |
| 2025 | 16 | 23 |
| 2026 | 11 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus, methods, and systems for providing pharmaceutical compositions in the form of droplets for aerosol administration and inhalation delivery25 Aug 2026US 12,714,705 B2
- Anti-kink and ergonomic nasal cannula device25 Aug 2026US 12,714,816 B2
- Method and apparatus for treatment of respiratory disorders18 Aug 2026US RE50,991 E1ResMed Pty Ltd
- Apparatus and methods for ventilatory treatment11 Aug 2026US 12,702,773 B2ResMed Pty Ltd
- Methods and apparatus for passive, proportional, valveless gas sampling and delivery30 Jun 2026US 12,667,275 B2Massachusetts Institute of Technology
- Clamping valve assembly for a ventilator27 Aug 2026US 2026/0249034 A1The Children’s Hospital of Philadelphia
- Determination of gas exchange device performance13 Aug 2026US 2026/0232883 A1Maquet Cardiopulmonary GmbH
- Smart medical device management30 Jul 2026US 2026/0216459 A1Stryker Corporation
- Anesthesia control system, anesthesia system and non-transitory computer readable medium4 Jun 2026US 2026/0151584 A1GE Precision Healthcare LLC
- Inhalation System28 May 2026US 2026/0144949 A1General Biophysics LLC
Most cited
By later US patents
- Respiratory monitoring900US 8,028,701 B2Masimo Corporation · 2011
- Respiratory monitoring610US 8,667,967 B2Masimo Corporation · 2014
- Respiratory monitoring454US 9,566,019 B2Masimo Corporation · 2017
- Indirect calorimeter for medical applications391US 6,629,934 B2Healthetech, Inc. · 2003
- Nasal gas delivery system and method for use thereof352US 6,637,434 B22003