A61M 16/0045
Means for re-breathing exhaled gases
Official title: {Means for re-breathing exhaled gases, e.g. for hyperventilation treatment}
A61M16/0045 (Means for re-breathing exhaled gases) appears on 168 US grants and 235 published applications in this corpus.
Search patents in A61M- Granted patents
- 168
- Published applications
- 235
- Assignees
- 130
- Inventors
- 439
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 1 | 3 |
| 2003 | 6 | 4 |
| 2004 | 3 | 7 |
| 2005 | 4 | 8 |
| 2006 | 5 | 6 |
| 2007 | 2 | 8 |
| 2008 | 1 | 10 |
| 2009 | 2 | 12 |
| 2010 | 4 | 7 |
| 2011 | 7 | 5 |
| 2012 | 3 | 10 |
| 2013 | 6 | 9 |
| 2014 | 4 | 11 |
| 2015 | 6 | 14 |
| 2016 | 3 | 9 |
| 2017 | 4 | 8 |
| 2018 | 11 | 13 |
| 2019 | 10 | 10 |
| 2020 | 7 | 14 |
| 2021 | 7 | 12 |
| 2022 | 7 | 11 |
| 2023 | 7 | 14 |
| 2024 | 9 | 9 |
| 2025 | 10 | 15 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nasal administration5 May 2026US 12,616,806 B2OptiNose AS
- Gas distributor for rebreather supporting closed and open circuit modes31 Mar 2026US 12,589,846 B2Oxygen Scientific GmbH
- Systems and methods for concurrent airway stabilization and pulmonary stretch receptor activation10 Feb 2026US 12,544,523 B2Koninklijke Philips N. V.
- Vent arrangement for respiratory mask8 Apr 2025US 12,268,812 B2ResMed Pty Ltd
- Ear mounted cannular nasal breathing filter18 Mar 2025US 12,251,517 B2
- Nasal administration20 Aug 2026US 2026/0241121 A1OptiNose AS
- Heat exchanger for closed-circuit rebreather6 Aug 2026US 2026/0224922 A1Caeli Technologies Ltd
- Hypoxic Mask with Adjustable Supplemental Air Intake21 May 2026US 2026/0137896 A1Hub Design LLC
- Digitally enabled, pressure swing adsorption-based intermittent hypoxia-hyperoxia training systems19 Feb 2026US 2026/0048226 A1L-Newco, Inc. (DBA Vitaliti)
- Gas remix stimulator27 Nov 2025US 2025/0360282 A1Emercent Technologies LLC
Most cited
By later US patents
- Ventilatory control system169US 7,810,497 B2RIC Investments, LLC · 2010
- Heart failure mask and methods for increasing negative intrathoracic pressures144US 5,730,122 ACPRx LLC · 1998
- Respiratory stimulator & methods of use132US 5,647,345 A1997
- Hypoxic room system and equipment for Hypoxic training and therapy at standard atmospheric pressure123US 5,799,652 AHypoxico Inc. · 1998
- Ventilatory stabilization technology121US 6,752,150 B12004