A61M 5/365
Air detectors
Official title: {Air detectors (A61M5/1684 takes precedence; in extracorporeal blood circuits A61M1/3626)}
A61M5/365 (Air detectors) appears on 587 US grants and 579 published applications in this corpus.
Search patents in A61M- Granted patents
- 587
- Published applications
- 579
- Assignees
- 182
- Inventors
- 851
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 14 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 2 |
| 2002 | 10 | 7 |
| 2003 | 9 | 10 |
| 2004 | 6 | 7 |
| 2005 | 5 | 11 |
| 2006 | 3 | 16 |
| 2007 | 6 | 11 |
| 2008 | 4 | 19 |
| 2009 | 6 | 24 |
| 2010 | 18 | 18 |
| 2011 | 13 | 20 |
| 2012 | 17 | 43 |
| 2013 | 28 | 29 |
| 2014 | 16 | 37 |
| 2015 | 19 | 20 |
| 2016 | 37 | 26 |
| 2017 | 18 | 30 |
| 2018 | 28 | 29 |
| 2019 | 34 | 39 |
| 2020 | 30 | 26 |
| 2021 | 19 | 32 |
| 2022 | 28 | 29 |
| 2023 | 29 | 32 |
| 2024 | 26 | 32 |
| 2025 | 31 | 21 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid paths for angiography injector assembly29 Sep 2026US 12,746,330 B2Bayer HealthCare LLC
- Infusion unit15 Sep 2026US 12,734,294 B2Infuzamed LLC
- Air detection method for pumps with volume measurement4 Aug 2026US 12,697,443 B2CareFusion 303, Inc.
- Air detection system and method for detecting air in a pump of an infusion system10 Mar 2026US 12,571,665 B2ICU Medical, Inc.
- System and method for syringe fluid fill verification and image recognition of power injector system features3 Mar 2026US 12,564,688 B2Bayer HealthCare LLC
- Medical fluid flow devices24 Sep 2026US 2026/0284306 A1CareFusion 303, Inc.
- System for automatic detection, measurement, and elimination of air from a fluid pathway17 Sep 2026US 2026/0273199 A1
- Medical connection system10 Sep 2026US 2026/0263686 A1Guerbet
- Below pump segment air in line capture9 Jul 2026US 2026/0192041 A1CareFusion 303, Inc.
- Air-in-line prevention algorithm25 Jun 2026US 2026/0174976 A1CareFusion 303, Inc.
Most cited
By later US patents
- Handheld personal data assistant (PDA) with a medical device and method of using the same2,420US 6,641,533 B2Medtronic MiniMed, Inc. · 2003
- Handheld personal data assistant (PDA) with a medical device and method of using the same2,273US 6,558,320 B1Medtronic MiniMed, Inc. · 2003
- Programmable infusion system910US 5,078,683 ABlock Medical, Inc. · 1992
- Ambulatory infusion pump686US 5,630,710 ABaxter International Inc. · 1997
- Pumping cartridge including a bypass valve and method for directing flow in a pumping cartridge543US 6,416,293 B1DEKA Products Limited Partnership · 2002