A61M 16/0866
Passive resistors therefor
Official title: {Passive resistors therefor}
A61M16/0866 (Passive resistors therefor) appears on 277 US grants and 367 published applications in this corpus.
Search patents in A61M- Granted patents
- 277
- Published applications
- 367
- Assignees
- 152
- Inventors
- 606
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 3 | 2 |
| 2004 | 5 | 3 |
| 2005 | 2 | 6 |
| 2006 | 2 | 7 |
| 2007 | 3 | 6 |
| 2008 | 2 | 7 |
| 2009 | 6 | 7 |
| 2010 | 3 | 7 |
| 2011 | 5 | 11 |
| 2012 | 8 | 9 |
| 2013 | 9 | 19 |
| 2014 | 5 | 16 |
| 2015 | 12 | 24 |
| 2016 | 10 | 20 |
| 2017 | 16 | 33 |
| 2018 | 17 | 14 |
| 2019 | 20 | 25 |
| 2020 | 27 | 18 |
| 2021 | 15 | 23 |
| 2022 | 15 | 26 |
| 2023 | 12 | 26 |
| 2024 | 21 | 28 |
| 2025 | 20 | 17 |
| 2026 | 13 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods of aerosol delivery with airflow regulation15 Sep 2026US 12,734,317 B2Altria Client Services LLC
- Positive exhalation pressure device1 Sep 2026US 12,721,961 B2Solopep Limited
- Nasal interface25 Aug 2026US 12,714,817 B2Fisher & Paykel Healthcare Limited
- Tracheal connector with a flow restrictive mechanism25 Aug 2026US 12,714,818 B2Nihon Kohden Corporation
- Headgear assemblies and interface assemblies with headgear28 Jul 2026US 12,691,242 B2Fisher & Paykel Healthcare Limited
- Breathing Resistance Device having Aromatherapy Wick18 Jun 2026US 2026/0166194 A1Hunan Qinshi Industry and Trade Co., Ltd
- Integrated manual ventilation monitoring system with real-time flow-based tidal volume estimation and training platform18 Jun 2026US 2026/0166246 A1
- Adapter for pressure valve21 May 2026US 2026/0137882 A1Fisher & Paykel Healthcare Limited
- Methods and apparatus for oxygenation and/or co2 removal30 Apr 2026US 2026/0115395 A1Fisher & Paykel Healthcare Limited
- Headgear assemblies and interface assemblies with headgear23 Apr 2026US 2026/0108694 A1Fisher & Paykel Healthcare Limited
Most cited
By later US patents
- Device for stimulating the human respiratory system373US 4,601,465 A1986
- Nasal delivery device253US 6,715,485 B1OptiNose AS · 2004
- Method and apparatus for continuous adjustment of positive airway pressure for treating obstructive sleep apnea248US 5,335,654 ANew York University · 1994
- Exhalation valve for mechanical ventilator201US 6,102,038 APulmonetic Systems, Inc. · 2000
- Oxygen mixing in a blower-based ventilator196US 5,701,883 ARespironics, Inc. · 1997