A61M 16/162
Water-reservoir filling system
Official title: {Water-reservoir filling system, e.g. automatic}
A61M16/162 (Water-reservoir filling system) appears on 348 US grants and 376 published applications in this corpus.
Search patents in A61M- Granted patents
- 348
- Published applications
- 376
- Assignees
- 132
- Inventors
- 570
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 9 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 3 |
| 2003 | 3 | 4 |
| 2004 | 3 | 12 |
| 2005 | 2 | 3 |
| 2006 | 6 | 9 |
| 2007 | 5 | 5 |
| 2008 | 4 | 10 |
| 2009 | 3 | 21 |
| 2010 | 6 | 10 |
| 2011 | 16 | 8 |
| 2012 | 15 | 14 |
| 2013 | 10 | 23 |
| 2014 | 8 | 13 |
| 2015 | 10 | 16 |
| 2016 | 11 | 17 |
| 2017 | 20 | 14 |
| 2018 | 13 | 21 |
| 2019 | 13 | 19 |
| 2020 | 18 | 21 |
| 2021 | 24 | 26 |
| 2022 | 23 | 32 |
| 2023 | 16 | 26 |
| 2024 | 15 | 18 |
| 2025 | 20 | 22 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tub for use in a humidifier14 Jul 2026US 12,678,584 B2ResMed Pty Ltd
- Oxygen therapy administration methods and related apparatus16 Jun 2026US 12,653,979 B2
- Humidification arrangement for a respiratory apparatus16 Jun 2026US 12,653,981 B2ResMed Pty Ltd
- Float-controlled valve array having redundantly acting float bodies28 Apr 2026US 12,611,518 B2Hamilton Medical AG
- Systems and methods for high velocity nasal insufflation14 Apr 2026US 12,599,742 B2Vapotherm, Inc.
- Pumping system and method for home healthcare devices8 Oct 2026US 2026/0306727 A1
- Water out alarm10 Sep 2026US 2026/0263728 A1Fisher & Paykel Healthcare Limited
- Humidification chamber25 Jun 2026US 2026/0174987 A1Fisher & Paykel Healthcare Limited
- Steam inhaler device18 Jun 2026US 2026/0166238 A1Michael Todd Beauty LP
- System and Method for On-Demand Near-Patient Humidification30 Apr 2026US 2026/0115405 A1Medline Industries, Inc.
Most cited
By later US patents
- Humidifier module for use in a gas humidification assembly398US 4,921,642 APuritan-Bennett Corporation · 1990
- Humidifier system373US 4,621,632 ABear Medical Systems, Inc. · 1986
- Device for supplying respiratory gas328US 7,096,864 B1MAP Medizin-Technologie GmbH · 2006
- Heated cartridge humidifier263US 5,943,473 A1999
- Respiratory humidifier235US 4,753,758 AIntertech Resources Inc. · 1988