A61M 16/0616
With face sealing means comprising a flap or membrane projecting inwards, such
Official title: {with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure}
A61M16/0616 (With face sealing means comprising a flap or membrane projecting inwards, such) appears on 1,385 US grants and 1,946 published applications in this corpus.
Search patents in A61M- Granted patents
- 1,385
- Published applications
- 1,946
- Assignees
- 228
- Inventors
- 1,340
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 12 | 25 |
| 2003 | 8 | 26 |
| 2004 | 10 | 26 |
| 2005 | 10 | 24 |
| 2006 | 15 | 43 |
| 2007 | 17 | 31 |
| 2008 | 10 | 55 |
| 2009 | 22 | 45 |
| 2010 | 28 | 51 |
| 2011 | 36 | 48 |
| 2012 | 46 | 53 |
| 2013 | 65 | 70 |
| 2014 | 46 | 94 |
| 2015 | 60 | 133 |
| 2016 | 46 | 97 |
| 2017 | 69 | 94 |
| 2018 | 71 | 76 |
| 2019 | 99 | 110 |
| 2020 | 105 | 120 |
| 2021 | 100 | 115 |
| 2022 | 109 | 144 |
| 2023 | 103 | 130 |
| 2024 | 104 | 141 |
| 2025 | 106 | 126 |
| 2026 | 54 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Frame assembly for a ventilator to deliver gas6 Oct 2026US 12,752,068 B2Dcstar Inc
- Connector for a frame of a respirator6 Oct 2026US 12,752,070 B2Dcstar Inc
- Variable flow vent assembly for a conduit mask29 Sep 2026US 12,746,362 B2ResMed Pty Ltd
- Patient interface system22 Sep 2026US 12,741,112 B2ResMed Pty Ltd
- Patient interface and a positioning and stabilising structure15 Sep 2026US 12,734,321 B2ResMed Pty Ltd
- Patient interface8 Oct 2026US 2026/0306774 A1ResMed Pty Ltd
- Patient interface including flow generator8 Oct 2026US 2026/0306775 A1ResMed Pty Ltd
- Headgear with tension limit detection feature8 Oct 2026US 2026/0306778 A1ResMed Asia Pte. Ltd.
- Patient interface and cushion thereof1 Oct 2026US 2026/0295189 A1ResMed Pty Ltd
- Methods of assembling a face mask1 Oct 2026US 2026/0295192 A1
Most cited
By later US patents
- Nasal puff with adjustable sealing means1,062US 4,782,832 APuritan-Bennett Corporation · 1988
- Nasal mask for CPAP having ballooning/moulding seal with wearer's nose and facial contours735US 5,243,971 AThe University of Sydney · 1993
- Nasal mask715US 5,724,965 ARespironics, Inc. · 1998
- Nasal mask and mask cushion therefor614US 6,112,746 AResMed Limited · 2000
- Facial masks for assisted respiration or CPAP557US 5,560,354 AResCare Limited · 1996