A61B 5/08
Measuring devices for evaluating the respiratory organs
A61B5/08 (Measuring devices for evaluating the respiratory organs) appears on 10,164 US grants and 15,386 published applications in this corpus.
Search patents in A61B- Granted patents
- 10,164
- Published applications
- 15,386
- Assignees
- 4,292
- Inventors
- 21,939
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 19 | 0 |
| 1978 | 22 | 0 |
| 1979 | 14 | 0 |
| 1980 | 28 | 0 |
| 1981 | 39 | 0 |
| 1982 | 19 | 0 |
| 1983 | 20 | 0 |
| 1984 | 26 | 0 |
| 1985 | 21 | 0 |
| 1986 | 24 | 0 |
| 1987 | 22 | 0 |
| 1988 | 24 | 0 |
| 1989 | 40 | 0 |
| 1990 | 32 | 0 |
| 1991 | 52 | 0 |
| 1992 | 32 | 0 |
| 1993 | 34 | 0 |
| 1994 | 50 | 0 |
| 1995 | 36 | 0 |
| 1996 | 43 | 0 |
| 1997 | 28 | 0 |
| 1998 | 47 | 0 |
| 1999 | 49 | 0 |
| 2000 | 65 | 0 |
| 2001 | 81 | 33 |
| 2002 | 85 | 104 |
| 2003 | 98 | 131 |
| 2004 | 63 | 202 |
| 2005 | 74 | 216 |
| 2006 | 114 | 258 |
| 2007 | 90 | 300 |
| 2008 | 110 | 328 |
| 2009 | 97 | 316 |
| 2010 | 144 | 386 |
| 2011 | 191 | 371 |
| 2012 | 245 | 464 |
| 2013 | 308 | 510 |
| 2014 | 397 | 791 |
| 2015 | 312 | 791 |
| 2016 | 416 | 858 |
| 2017 | 542 | 1006 |
| 2018 | 519 | 923 |
| 2019 | 743 | 1077 |
| 2020 | 696 | 1008 |
| 2021 | 754 | 1085 |
| 2022 | 767 | 1027 |
| 2023 | 730 | 1006 |
| 2024 | 709 | 933 |
| 2025 | 640 | 744 |
| 2026 | 421 | 518 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61B 5/0816Measuring devices for examining respiratory frequency4,199
- A61B 5/087Measuring breath flow2,006
- A61B 5/083Measuring rate of metabolism by using breath test1,302
- A61B 5/082Evaluation by breath analysis1,204
- A61B 5/097Devices for facilitating collection of breath or for directing breath into or1,150
- A61B 5/085Measuring impedance of respiratory organs or lung elasticity926
- A61B 5/091Measuring volume of inspired or expired gases786
- A61B 5/0826Detecting or evaluating apnoea events379
Recent patents
- Measuring device for measuring cardiopulmonary state6 Oct 2026US 12,751,641 B2National Tsing Hua University
- Device and method for monitoring thoracic and abdominal breathing patterns6 Oct 2026US 12,751,642 B2Guangzhou Medical University
- Methods of displaying ventilation distribution and related systems and devices6 Oct 2026US 12,751,643 B2Timpel Medical B.V.
- Method for evaluating possibility of dysphagia by analyzing acoustic signals, and server and non-transitory computer-readable recording medium performing same6 Oct 2026US 12,751,662 B2Dain Technology, Inc.
- Remote monitoring based wearable apparatus and related method for opioid overdose detection and antidote delivery6 Oct 2026US 12,751,665 B2Ezer Enterprises LLC
- System and method for capturing and transmitting biometric data8 Oct 2026US 2026/0305955 A1Nexa Labs Inc.
- Intraoral sensors for health monitoring8 Oct 2026US 2026/0305973 A1Align Technology, Inc.
- Apparatus and method for detecting infection and metabolic dys-regulation using breath8 Oct 2026US 2026/0305974 A1Isomark Health, Inc.
- Systems and methods for personalized breath based glycemic monitoring and projected a1c trend estimation8 Oct 2026US 2026/0305975 A1PreEvnt, LLC
- Nasal/oral cannula system and manufacturing8 Oct 2026US 2026/0305976 A1Masimo Sweden AB
Most cited
By later US patents
- Modular microprocessor-based health monitoring system1,971US 5,899,855 AHealth Hero Network, Inc. · 1999
- Physiological monitor and associated computation, display and communication unit1,769US 6,790,178 B1Healthetech, Inc. · 2004
- Signal processing apparatus1,538US 6,081,735 AMasimo Corporation · 2000
- Modular microprocessor-based health monitoring system1,498US 5,307,263 ARaya Systems, Inc. · 1994
- Signal processing apparatus1,373US 5,632,272 AMasimo Corporation · 1997