A61M 16/164
Including a liquid inlet valve system
Official title: {including a liquid inlet valve system}
A61M16/164 (Including a liquid inlet valve system) appears on 125 US grants and 121 published applications in this corpus.
Search patents in A61M- Granted patents
- 125
- Published applications
- 121
- Assignees
- 65
- Inventors
- 269
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 6 |
| 2005 | 0 | 1 |
| 2006 | 4 | 4 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 2 | 5 |
| 2011 | 4 | 3 |
| 2012 | 6 | 5 |
| 2013 | 3 | 9 |
| 2014 | 3 | 6 |
| 2015 | 2 | 4 |
| 2016 | 3 | 8 |
| 2017 | 7 | 4 |
| 2018 | 4 | 7 |
| 2019 | 8 | 9 |
| 2020 | 6 | 6 |
| 2021 | 6 | 6 |
| 2022 | 4 | 7 |
| 2023 | 5 | 9 |
| 2024 | 4 | 7 |
| 2025 | 6 | 7 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Float-controlled valve array having redundantly acting float bodies28 Apr 2026US 12,611,518 B2Hamilton Medical AG
- Heating and humidifying device and heating and humidifying method thereof6 Jan 2026US 12,515,007 B2
- Float retention arrangement for humidification chamber9 Sep 2025US 12,409,294 B2Fisher & Paykel Healthcare Limited
- Humidification of ventilator gases19 Aug 2025US 12,390,614 B2SahaMed Technologies, LLC
- Water level detection method, device, equipment, storage medium and system19 Aug 2025US 12,392,653 B1Shenyang Rms Medical Tech Co., Ltd
- Humidification of Ventilator Gases11 Dec 2025US 2025/0379806 A1
- Humidifier7 Aug 2025US 2025/0249200 A1ResMed Pty Ltd
- Humidification system7 Aug 2025US 2025/0249201 A1Fisher & Paykel Healthcare Limited
- Manufacturing method of chamber adaptor10 Jul 2025US 2025/0222225 A1Telesair, Inc.
- Respiratory humidification device5 Jun 2025US 2025/0177677 A1Globalmed Inc.
Most cited
By later US patents
- Humidifier system373US 4,621,632 ABear Medical Systems, Inc. · 1986
- Heated cartridge humidifier263US 5,943,473 A1999
- Microprocessor controlled flow regulated molecular humidifier216US 5,349,946 A1994
- Patient-end humidifier205US 6,095,505 APegasus Research Corporation · 2000
- Apparatus for saturated gas delivery203US 4,051,205 A1977