A61M 16/125
Diluting primary gas with ambient air
Official title: {Diluting primary gas with ambient air}
A61M16/125 (Diluting primary gas with ambient air) appears on 574 US grants and 855 published applications in this corpus.
Search patents in A61M- Granted patents
- 574
- Published applications
- 855
- Assignees
- 375
- Inventors
- 1,423
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 8 |
| 2003 | 11 | 5 |
| 2004 | 10 | 11 |
| 2005 | 2 | 12 |
| 2006 | 5 | 9 |
| 2007 | 6 | 12 |
| 2008 | 7 | 15 |
| 2009 | 3 | 21 |
| 2010 | 2 | 25 |
| 2011 | 5 | 13 |
| 2012 | 7 | 18 |
| 2013 | 12 | 18 |
| 2014 | 17 | 32 |
| 2015 | 24 | 36 |
| 2016 | 14 | 26 |
| 2017 | 17 | 36 |
| 2018 | 19 | 32 |
| 2019 | 27 | 25 |
| 2020 | 35 | 58 |
| 2021 | 38 | 92 |
| 2022 | 54 | 94 |
| 2023 | 55 | 95 |
| 2024 | 42 | 69 |
| 2025 | 55 | 60 |
| 2026 | 29 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ventilator system25 Aug 2026US 12,714,812 B2Koninklijke Philips N. V.
- Method and apparatus for providing percussive ventilation therapy to a patient airway18 Aug 2026US 12,708,732 B2CircuitLife, LLC
- Method and apparatus for treating hyperarousal disorders11 Aug 2026US 12,702,774 B2ResMed Pty Ltd
- Supply device and process for supplying a patient-side coupling unit with a gas mixture11 Aug 2026US 12,702,783 B2Drägerwerk AG & Co. KGaA
- Arrangement and process for supplying a patient-side coupling unit with a gas mixture11 Aug 2026US 12,702,784 B2Drägerwerk AG & Co. KGaA
- Funneled t-connector with nebulizer for use with a positive pressure ventilator8 Oct 2026US 2026/0306780 A1Hill-Rom Services Pte. Ltd.
- Water out alarm10 Sep 2026US 2026/0263728 A1Fisher & Paykel Healthcare Limited
- Clamping valve assembly for a ventilator27 Aug 2026US 2026/0249034 A1The Children’s Hospital of Philadelphia
- Closed loop oxygen control20 Aug 2026US 2026/0241124 A1Fisher & Paykel Healthcare Limited
- Control of a breathing assistance apparatus13 Aug 2026US 2026/0232934 A1Fisher & Paykel Healthcare Limited
Most cited
By later US patents
- Method and apparatus for delivering aerosol to the airways and/or lungs of a patient398US 4,819,629 ASiemens Aktiengesellschaft · 1989
- Nasal oxygen therapy mask288US 4,266,540 A1981
- Medical ventilator triggering and cycling method and mechanism251US 6,626,175 B2Respironics, Inc. · 2003
- Anti-snoring device, method for reducing snoring, and a nasal air cannula242US 7,080,645 B2Seleon GmbH · 2006
- Mask239US 4,848,334 ALifeline Limited · 1989