A61B 5/091
Measuring volume of inspired or expired gases
Official title: Measuring volume of inspired or expired gases, e.g. to determine lung capacity
A61B5/091 (Measuring volume of inspired or expired gases) appears on 786 US grants and 1,186 published applications in this corpus.
Search patents in A61B- Granted patents
- 786
- Published applications
- 1,186
- Assignees
- 518
- Inventors
- 2,010
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 4 | 4 |
| 2003 | 11 | 11 |
| 2004 | 2 | 11 |
| 2005 | 6 | 9 |
| 2006 | 6 | 13 |
| 2007 | 5 | 17 |
| 2008 | 4 | 20 |
| 2009 | 3 | 18 |
| 2010 | 10 | 29 |
| 2011 | 11 | 34 |
| 2012 | 16 | 31 |
| 2013 | 21 | 32 |
| 2014 | 41 | 59 |
| 2015 | 26 | 82 |
| 2016 | 30 | 70 |
| 2017 | 27 | 70 |
| 2018 | 46 | 86 |
| 2019 | 53 | 83 |
| 2020 | 55 | 82 |
| 2021 | 74 | 91 |
| 2022 | 69 | 88 |
| 2023 | 56 | 78 |
| 2024 | 59 | 66 |
| 2025 | 47 | 66 |
| 2026 | 39 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of displaying ventilation distribution and related systems and devices6 Oct 2026US 12,751,643 B2Timpel Medical B.V.
- Aerosol spirometer and method of using same29 Sep 2026US 12,745,922 B2
- Collecting device for collection of particles, a sample collector, and an analysis instrument22 Sep 2026US 12,740,723 B2Imec Vzw
- Apparatus and method for improved assisted ventilation22 Sep 2026US 12,741,110 B2CoLabs Medical, Inc.
- Droplet device actuation from inhalation sensing15 Sep 2026US 12,734,312 B2Pneuma Respiratory, Inc.
- Electrocardiography patch8 Oct 2026US 2026/0306001 A1Bardy Diagnostics, Inc.
- Systems and methods for monitoring subjects17 Sep 2026US 2026/0272327 A1Hillrom Services, Inc.
- Device and method for measuring metabolic rate using sequential gas delivery3 Sep 2026US 2026/0256378 A1Thornhill Scientific Inc.
- Methods and systems for determining collateral ventilation3 Sep 2026US 2026/0256379 A1Pulmonx Corporation
- Device and method for clinical evaluation27 Aug 2026US 2026/0248466 A1Respiratory Motion, Inc.
Most cited
By later US patents
- Physiological monitor and associated computation, display and communication unit1,769US 6,790,178 B1Healthetech, Inc. · 2004
- Phonospirometry for non-invasive monitoring of respiration1,083US 6,241,683 B1Institut de recherches cliniques de Montréal (IRCM) · 2001
- Metered dose inhaler biofeedback training and evaluation system466US 4,984,158 A1991
- Indirect calorimeter for medical applications391US 6,629,934 B2Healthetech, Inc. · 2003
- Metabolic calorimeter employing respiratory gas analysis308US 6,468,222 B1Healthetech, Inc. · 2002