A61M 2230/432
Partial co2 pressure
Official title: partial CO2 pressure (P-CO2)
A61M2230/432 (Partial co2 pressure) appears on 1,070 US grants and 1,650 published applications in this corpus.
Search patents in A61M- Granted patents
- 1,070
- Published applications
- 1,650
- Assignees
- 483
- Inventors
- 2,229
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 10 |
| 2002 | 14 | 21 |
| 2003 | 20 | 18 |
| 2004 | 14 | 39 |
| 2005 | 14 | 47 |
| 2006 | 29 | 46 |
| 2007 | 19 | 45 |
| 2008 | 12 | 68 |
| 2009 | 15 | 46 |
| 2010 | 25 | 53 |
| 2011 | 36 | 48 |
| 2012 | 33 | 71 |
| 2013 | 42 | 57 |
| 2014 | 49 | 68 |
| 2015 | 44 | 84 |
| 2016 | 29 | 70 |
| 2017 | 47 | 77 |
| 2018 | 47 | 93 |
| 2019 | 61 | 66 |
| 2020 | 70 | 92 |
| 2021 | 60 | 97 |
| 2022 | 78 | 104 |
| 2023 | 74 | 105 |
| 2024 | 64 | 90 |
| 2025 | 45 | 82 |
| 2026 | 42 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for improved assisted ventilation22 Sep 2026US 12,741,110 B2CoLabs Medical, Inc.
- Methods of non-invasively determining blood oxygen level and related pulmonary gas exchange information15 Sep 2026US 12,733,838 B2MediPines Corporation
- Acoustic analysis of a respiratory therapy system8 Sep 2026US 12,728,219 B2ResMed Pty Ltd
- 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
- Ventilator system25 Aug 2026US 12,714,812 B2Koninklijke Philips N. V.
- Nasal/oral cannula system and manufacturing8 Oct 2026US 2026/0305976 A1Masimo Sweden AB
- Methods and apparatus for high gas flow8 Oct 2026US 2026/0306769 A1Fisher & Paykel Healthcare Limited
- Assisted breathing apparatus and method17 Sep 2026US 2026/0273211 A1Aria Metasystems S.A.P.I. De C.V.
- End tidal carbon dioxide measurement during high flow oxygen therapy27 Aug 2026US 2026/0248410 A1Covidien LP
- Clamping valve assembly for a ventilator27 Aug 2026US 2026/0249034 A1The Children’s Hospital of Philadelphia
Most cited
By later US patents
- Respiratory monitoring900US 8,028,701 B2Masimo Corporation · 2011
- Drug administration controller874US 8,182,443 B1Masimo Corporation · 2012
- Device and method for monitoring breathing during sleep, control of CPAP treatment, and preventing of apnea735US 5,245,995 AResCare Limited · 1993
- Respiratory monitoring610US 8,667,967 B2Masimo Corporation · 2014
- Drug administration controller514US 9,333,316 B2Masimo Corporation · 2016