A61M 2230/40
Respiratory characteristics
A61M2230/40 (Respiratory characteristics) appears on 2,741 US grants and 4,410 published applications in this corpus.
Search patents in A61M- Granted patents
- 2,741
- Published applications
- 4,410
- Assignees
- 1,285
- Inventors
- 6,034
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 16 | 0 |
| 1998 | 16 | 0 |
| 1999 | 20 | 0 |
| 2000 | 18 | 0 |
| 2001 | 11 | 11 |
| 2002 | 20 | 35 |
| 2003 | 32 | 32 |
| 2004 | 25 | 59 |
| 2005 | 24 | 73 |
| 2006 | 40 | 74 |
| 2007 | 26 | 70 |
| 2008 | 19 | 114 |
| 2009 | 34 | 100 |
| 2010 | 40 | 126 |
| 2011 | 60 | 109 |
| 2012 | 56 | 145 |
| 2013 | 103 | 129 |
| 2014 | 105 | 146 |
| 2015 | 99 | 199 |
| 2016 | 91 | 230 |
| 2017 | 118 | 211 |
| 2018 | 116 | 221 |
| 2019 | 177 | 264 |
| 2020 | 203 | 309 |
| 2021 | 190 | 327 |
| 2022 | 243 | 355 |
| 2023 | 242 | 349 |
| 2024 | 214 | 311 |
| 2025 | 189 | 264 |
| 2026 | 125 | 147 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automatic dosage-controlled atomizer, and respiration sensor22 Sep 2026US 12,741,109 B2National Tsing Hua University
- Apparatus and method for improved assisted ventilation22 Sep 2026US 12,741,110 B2CoLabs Medical, Inc.
- Methods and systems for sleep management22 Sep 2026US 12,741,117 B2ResMed Sensor Technologies Limited
- Methods of non-invasively determining blood oxygen level and related pulmonary gas exchange information15 Sep 2026US 12,733,838 B2MediPines Corporation
- Droplet device actuation from inhalation sensing15 Sep 2026US 12,734,312 B2Pneuma Respiratory, Inc.
- 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
- Systems and methods for reducing co2 rebreathing from a positive airway pressure machine8 Oct 2026US 2026/0306783 A1
- Tracheostomy monitoring system1 Oct 2026US 2026/0295186 A1The Trustees of the Stevens Institute of Technology
- Vehicle and method of controlling vehicle1 Oct 2026US 2026/0296308 A1Hyundai Motor Company
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
- Medical monitoring hub711US 9,436,645 B2Masimo Corporation · 2016
- Respiratory monitoring610US 8,667,967 B2Masimo Corporation · 2014