F24F 6/18
Air-humidification: by injection of steam into the air
Official title: by injection of steam into the air
F24F6/18 (Air-humidification: by injection of steam into the air) appears on 136 US grants and 137 published applications in this corpus.
Search patents in F24F- Granted patents
- 136
- Published applications
- 137
- Assignees
- 72
- Inventors
- 226
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 7 |
| 2003 | 4 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 4 |
| 2007 | 1 | 5 |
| 2008 | 3 | 7 |
| 2009 | 1 | 8 |
| 2010 | 8 | 5 |
| 2011 | 6 | 2 |
| 2012 | 1 | 4 |
| 2013 | 4 | 4 |
| 2014 | 2 | 5 |
| 2015 | 6 | 4 |
| 2016 | 3 | 3 |
| 2017 | 1 | 7 |
| 2018 | 2 | 10 |
| 2019 | 5 | 14 |
| 2020 | 4 | 5 |
| 2021 | 9 | 9 |
| 2022 | 5 | 10 |
| 2023 | 1 | 3 |
| 2024 | 5 | 5 |
| 2025 | 5 | 6 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sauna system25 Nov 2025US 12,478,548 B2Amahayami Inc.
- Steam exchange humidifier22 Jul 2025US 12,366,373 B2Technologies Steamovap Inc.
- Indoor unit for an air conditioner27 May 2025US 12,313,293 B2LG Electronics Inc.
- Indoor unit for an air conditioner4 Feb 2025US 12,215,890 B2LG Electronics Inc.
- Indoor unit of an air conditioner14 Jan 2025US 12,196,434 B2LG Electronics Inc.
- Device for regulating the humidity level for a heating, ventilation and/or air-conditioning system27 Aug 2026US 2026/0251328 A1Sun-Ice Energy Pte. Ltd.
- Apparatus for humidifying and purifying air7 May 2026US 2026/0126191 A1Samsung Electronics Co., Ltd.
- Steam dispersion system6 Nov 2025US 2025/0341324 A1DRI-STEEM Corporation
- Steam dispersion system4 Sep 2025US 2025/0277595 A1DRI-STEEM Corporation
- Indoor unit of an air conditioner8 May 2025US 2025/0146679 A1LG Electronics Inc.
Most cited
By later US patents
- Humidifier181US 4,906,417 AAssociated Mills, Inc. · 1990
- Air-conditioning controlling system123US 6,454,177 B1Hitachi, Ltd. · 2002
- Energy conservative control of heating, ventilating, and air conditioning (HVAC) systems119US 4,205,381 AUnited Technologies Corporation · 1980
- Humidifier with UV anti-contamination provision78US 5,859,952 ASlant/Fin Corporation · 1999
- Temperature control of unoccupied living spaces74US 4,215,408 AUnited Technologies Corporation · 1980