A61B 5/0836
Measuring rate of co2 production
Official title: {Measuring rate of CO2 production}
A61B5/0836 (Measuring rate of co2 production) appears on 819 US grants and 1,216 published applications in this corpus.
Search patents in A61B- Granted patents
- 819
- Published applications
- 1,216
- Assignees
- 444
- Inventors
- 1,861
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 9 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 14 | 6 |
| 2002 | 11 | 17 |
| 2003 | 21 | 20 |
| 2004 | 5 | 27 |
| 2005 | 13 | 33 |
| 2006 | 27 | 30 |
| 2007 | 7 | 31 |
| 2008 | 12 | 29 |
| 2009 | 12 | 35 |
| 2010 | 13 | 36 |
| 2011 | 25 | 36 |
| 2012 | 15 | 47 |
| 2013 | 30 | 56 |
| 2014 | 42 | 65 |
| 2015 | 22 | 73 |
| 2016 | 22 | 63 |
| 2017 | 53 | 61 |
| 2018 | 50 | 72 |
| 2019 | 46 | 73 |
| 2020 | 43 | 58 |
| 2021 | 58 | 70 |
| 2022 | 53 | 64 |
| 2023 | 41 | 70 |
| 2024 | 37 | 49 |
| 2025 | 40 | 50 |
| 2026 | 34 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of non-invasively determining blood oxygen level and related pulmonary gas exchange information15 Sep 2026US 12,733,838 B2MediPines Corporation
- Breath analysis device15 Sep 2026US 12,736,522 B2PNOE Inc.
- Apparatus and method for measuring end tidal carbon dioxide (ETCO2)1 Sep 2026US 12,721,542 B2
- Supraglottic airway device with a dynamic cuff with superior ventilating capability25 Aug 2026US 12,714,814 B2
- Data playback interface for medical device18 Aug 2026US 12,708,274 B2ZOLL Medical Corporation
- Non-invasive dyspnea prediction tool using machine learning8 Oct 2026US 2026/0306016 A1The Regents of the University of California
- Mainstream capnography1 Oct 2026US 2026/0294274 A1Oxlantic Medical AB
- Somnography system1 Oct 2026US 2026/0294276 A1Oxlantic Medical AB
- Device and method for measuring metabolic rate using sequential gas delivery3 Sep 2026US 2026/0256378 A1Thornhill Scientific Inc.
- Oral circumferential respiratory monitoring device30 Jul 2026US 2026/0215770 A1SedateUK Ltd
Most cited
By later US patents
- Physiological parameter system1,027US 7,415,297 B2Masimo Corporation · 2008
- Respiratory monitoring900US 8,028,701 B2Masimo Corporation · 2011
- Patient monitoring system629US 6,544,174 B2Welch Allyn Protocol, Inc. · 2003
- Patient monitoring system619US 6,544,173 B2Welch Allyn Protocol, Inc. · 2003
- Respiratory monitoring610US 8,667,967 B2Masimo Corporation · 2014