A61M 16/101
Using an oxygen concentrator
Official title: {using an oxygen concentrator}
A61M16/101 (Using an oxygen concentrator) appears on 692 US grants and 944 published applications in this corpus.
Search patents in A61M- Granted patents
- 692
- Published applications
- 944
- Assignees
- 296
- Inventors
- 1,253
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 5 |
| 2002 | 12 | 13 |
| 2003 | 12 | 13 |
| 2004 | 9 | 22 |
| 2005 | 13 | 28 |
| 2006 | 12 | 43 |
| 2007 | 15 | 27 |
| 2008 | 17 | 37 |
| 2009 | 11 | 39 |
| 2010 | 26 | 33 |
| 2011 | 28 | 44 |
| 2012 | 19 | 36 |
| 2013 | 30 | 38 |
| 2014 | 30 | 41 |
| 2015 | 22 | 35 |
| 2016 | 21 | 30 |
| 2017 | 26 | 32 |
| 2018 | 34 | 48 |
| 2019 | 29 | 39 |
| 2020 | 37 | 62 |
| 2021 | 43 | 67 |
| 2022 | 56 | 63 |
| 2023 | 30 | 55 |
| 2024 | 37 | 34 |
| 2025 | 35 | 35 |
| 2026 | 22 | 25 |
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
- Anti-kink and ergonomic nasal cannula device25 Aug 2026US 12,714,816 B2
- Compact portable oxygen concentrator18 Aug 2026US 12,710,121 B2Inogen, Inc.
- O2 concentrator with sieve bed bypass and control method thereof4 Aug 2026US 12,697,458 B2Breathe Technologies, Inc.
- Control system for portable oxygen concentrator23 Jun 2026US 12,661,476 B23B Medical, Inc.
- Oxygen generating device24 Sep 2026US 2026/0284348 A1Qingdao Augreener Electronic Technology Co., Ltd.
- Kink and tangle resistant smart-enabled nasal cannula and patient oxygen concentrator10 Sep 2026US 2026/0263718 A115892031 Canada Inc.
- Portable Oxygen Supply System10 Sep 2026US 2026/0263727 A1Oxus America, Inc.
- Noise reduction box10 Sep 2026US 2026/0268882 A1Teijin Pharma Limited
- Portable medical ventilator system using portable oxygen concentrators13 Aug 2026US 2026/0232936 A1Ventec Life Systems, Inc.
Most cited
By later US patents
- Control device for supplying supplemental respiratory oxygen1,154US 6,371,114 B1Minnesota Innovative Technologies & Instruments Corporation · 2002
- Control of respiratory oxygen delivery1,146US 6,186,142 B1Minnesota Innovative Technologies & Instruments Corporation (MITI) · 2001
- Automated control and conservation of supplemental respiratory oxygen1,135US 6,532,958 B1Minnesota Innovative Technologies & Instruments Corporation · 2003
- Control of supplemental respiratory oxygen1,117US 6,561,187 B2Minnesota Innovative Technologies & Instruments Corporation · 2003
- Control of supplemental respiratory oxygen1,080US 7,331,343 B2Minnesota Innovative Technologies & Instruments Corporation (MITI) · 2008