A61B 5/14551
For measuring blood gases
Official title: {for measuring blood gases}
A61B5/14551 (For measuring blood gases) appears on 6,998 US grants and 9,763 published applications in this corpus.
Search patents in A61B- Granted patents
- 6,998
- Published applications
- 9,763
- Assignees
- 2,481
- Inventors
- 12,145
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 34 | 0 |
| 1990 | 25 | 0 |
| 1991 | 14 | 0 |
| 1992 | 28 | 0 |
| 1993 | 37 | 0 |
| 1994 | 49 | 0 |
| 1995 | 39 | 0 |
| 1996 | 41 | 0 |
| 1997 | 43 | 0 |
| 1998 | 68 | 0 |
| 1999 | 57 | 0 |
| 2000 | 58 | 0 |
| 2001 | 59 | 25 |
| 2002 | 71 | 78 |
| 2003 | 78 | 85 |
| 2004 | 93 | 136 |
| 2005 | 46 | 148 |
| 2006 | 84 | 186 |
| 2007 | 91 | 209 |
| 2008 | 87 | 210 |
| 2009 | 77 | 242 |
| 2010 | 104 | 261 |
| 2011 | 133 | 277 |
| 2012 | 181 | 307 |
| 2013 | 288 | 387 |
| 2014 | 297 | 544 |
| 2015 | 260 | 505 |
| 2016 | 287 | 556 |
| 2017 | 370 | 662 |
| 2018 | 335 | 552 |
| 2019 | 536 | 644 |
| 2020 | 502 | 603 |
| 2021 | 471 | 632 |
| 2022 | 472 | 552 |
| 2023 | 379 | 571 |
| 2024 | 454 | 542 |
| 2025 | 439 | 500 |
| 2026 | 260 | 349 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Non-invasive cerebral monitoring and cerebral metric-based guidance for medical procedures6 Oct 2026US 12,751,632 B2The Children’s Hospital of Philadelphia
- Method for estimating blood component quantities in surgical textiles6 Oct 2026US 12,755,512 B2Stryker Corporation
- Processor device, method of operating the same, and endoscope system29 Sep 2026US 12,745,893 B2FUJIFILM Corporation
- Handheld wireless oximetry device29 Sep 2026US 12,745,933 B2
- Wireless oxygen saturation sensor29 Sep 2026US 12,745,934 B2ViOptix, Inc.
- System and method for capturing and transmitting biometric data8 Oct 2026US 2026/0305955 A1Nexa Labs Inc.
- Predicting probability of developing preeclampsia8 Oct 2026US 2026/0305957 A180 Beats Medical GmbH
- Photoplethysmography sensor8 Oct 2026US 2026/0305964 A1Koninklijke Philips N. V.
- Functional device, guiding catheter, biological interface system, and method for indwelling functional device8 Oct 2026US 2026/0305966 A1The University of Osaka
- System and method for hyperspectral imaging and mapping of tissue oxygen saturation8 Oct 2026US 2026/0305991 A1Covidien LP
Most cited
By later US patents
- Device and method to measure and communicate body parameters1,630US 6,731,976 B2Medtronic, Inc. · 2004
- Methods and apparatus for inhibiting contamination of reusable pulse oximetry sensors1,617US 5,619,992 A1997
- Signal processing apparatus and method1,591US 5,482,036 AMasimo Corporation · 1996
- Signal processing apparatus and method1,543US 6,002,952 AMasimo Corporation · 1999
- Signal processing apparatus1,538US 6,081,735 AMasimo Corporation · 2000