A61M 15/0018
With exhalation check valves
Official title: {with exhalation check valves}
A61M15/0018 (With exhalation check valves) appears on 223 US grants and 254 published applications in this corpus.
Search patents in A61M- Granted patents
- 223
- Published applications
- 254
- Assignees
- 114
- Inventors
- 398
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 10 |
| 2003 | 10 | 8 |
| 2004 | 6 | 5 |
| 2005 | 4 | 13 |
| 2006 | 3 | 11 |
| 2007 | 5 | 8 |
| 2008 | 3 | 7 |
| 2009 | 3 | 6 |
| 2010 | 8 | 5 |
| 2011 | 7 | 7 |
| 2012 | 3 | 12 |
| 2013 | 8 | 7 |
| 2014 | 4 | 6 |
| 2015 | 10 | 16 |
| 2016 | 12 | 19 |
| 2017 | 9 | 13 |
| 2018 | 4 | 10 |
| 2019 | 11 | 14 |
| 2020 | 14 | 15 |
| 2021 | 7 | 19 |
| 2022 | 10 | 13 |
| 2023 | 11 | 10 |
| 2024 | 9 | 9 |
| 2025 | 5 | 8 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nebulizer kit and nebulizer15 Sep 2026US 12,734,314 B2Omron Healthcare Co., Ltd.
- Positive exhalation pressure device1 Sep 2026US 12,721,961 B2Solopep Limited
- Inhaler and evaluation unit therefor25 Aug 2026US 12,714,807 B2Aptar Radolfzell GmbH
- Medical device with energy harvesting system16 Jun 2026US 12,653,971 B2Trudell Medical International
- Nebulizer monitoring device, system and method19 May 2026US 12,629,488 B2PARI Pharma GmbH
- Nasal delivery devices12 Mar 2026US 2026/0069799 A1OptiNose AS
- Drug-device combination19 Feb 2026US 2026/0048206 A1PARI Pharma GmbH
- Aerosol pirfenidone and pyridone analog compounds and uses thereof4 Dec 2025US 2025/0367178 A1Avalyn Pharma Inc.
- Nebulizer and housing assembly thereof6 Nov 2025US 2025/0339629 A1HCMed Innovations Co., LTD.
- Inhalable compositions comprising macrocyclic immunosuppressants7 Aug 2025US 2025/0248934 A1Breath Therapeutics GmbH
Most cited
By later US patents
- Breath actuated medicinal aerosol delivery apparatus475US 5,479,920 AVortran Medical Technology, Inc. · 1996
- Method and apparatus for delivering aerosol to the airways and/or lungs of a patient398US 4,819,629 ASiemens Aktiengesellschaft · 1989
- Inhaler362US 5,487,378 AMinnesota Mining and Manufacturing Company · 1996
- Intermittent signal actuated nebulizer synchronized to operate in the exhalation phase, and its method of use337US 5,322,057 AVortran Medical Technology, Inc. · 1994
- Pediatric asthmatic medication inhaler333US 4,809,692 ATrudell Medical Limited · 1989