F24F 6/00
Air-humidification
Official title: Air-humidification {, e.g. cooling by humidification}
F24F6/00 (Air-humidification) appears on 1,812 US grants and 1,798 published applications in this corpus.
Search patents in F24F- Granted patents
- 1,812
- Published applications
- 1,798
- Assignees
- 856
- Inventors
- 3,663
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 20 | 0 |
| 1978 | 19 | 0 |
| 1979 | 14 | 0 |
| 1980 | 25 | 0 |
| 1981 | 22 | 0 |
| 1982 | 24 | 0 |
| 1983 | 18 | 0 |
| 1984 | 18 | 0 |
| 1985 | 19 | 0 |
| 1986 | 26 | 0 |
| 1987 | 26 | 0 |
| 1988 | 25 | 0 |
| 1989 | 17 | 0 |
| 1990 | 18 | 0 |
| 1991 | 17 | 0 |
| 1992 | 26 | 0 |
| 1993 | 18 | 0 |
| 1994 | 40 | 0 |
| 1995 | 17 | 0 |
| 1996 | 30 | 0 |
| 1997 | 29 | 0 |
| 1998 | 38 | 0 |
| 1999 | 40 | 0 |
| 2000 | 31 | 0 |
| 2001 | 45 | 8 |
| 2002 | 32 | 31 |
| 2003 | 30 | 38 |
| 2004 | 28 | 34 |
| 2005 | 23 | 41 |
| 2006 | 21 | 41 |
| 2007 | 16 | 37 |
| 2008 | 24 | 58 |
| 2009 | 19 | 58 |
| 2010 | 25 | 42 |
| 2011 | 43 | 67 |
| 2012 | 24 | 52 |
| 2013 | 34 | 62 |
| 2014 | 43 | 54 |
| 2015 | 42 | 84 |
| 2016 | 61 | 60 |
| 2017 | 57 | 118 |
| 2018 | 68 | 80 |
| 2019 | 78 | 110 |
| 2020 | 76 | 116 |
| 2021 | 71 | 119 |
| 2022 | 81 | 124 |
| 2023 | 70 | 98 |
| 2024 | 73 | 123 |
| 2025 | 70 | 60 |
| 2026 | 64 | 83 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F24F 6/02Air-humidification: by evaporation of water in the air912
- F24F 6/12Air-humidification: by forming water dispersions in the air683
- F24F 2006/008Air-humidifier with water reservoirIndexing code414
- F24F 6/18Air-humidification: by injection of steam into the air136
- F24F 2006/006Air-humidification: with water treatmentIndexing code119
- F24F 2006/001Air-humidification: using a water curtainIndexing code16
- F24F 2006/003Air-humidification: using a decorative fountainIndexing code11
- F24F 2006/005Air-humidification: using plantsIndexing code7
Recent patents
- Humidifier29 Sep 2026US 12,747,876 B2LG Electronics Inc.
- System and method for indirect evaporative cooling29 Sep 2026US 12,747,877 B2A.T.E. Enterprises Ltd.
- Humidifier29 Sep 2026US 12,747,878 B2LG Electronics Inc.
- Humidifier29 Sep 2026US 12,747,879 B2LG Electronics Inc.
- Air conditioner29 Sep 2026US 12,747,883 B2LG Electronics Inc.
- Method of enhancing performance of a porous evaporative media8 Oct 2026US 2026/0308483 A1Ecolab USA Inc.
- Compositions and Methods for Treatment of Protease Mediated Disease24 Sep 2026US 2026/0284144 A1The Regents of the University of California
- An apparatus for ventilating an environment24 Sep 2026US 2026/0287189 A1Earthonomic Ecosolutions Private Limited
- Humidifying woven fabric, core material, and humidifier17 Sep 2026US 2026/0273894 A1Shenzhen Chenbei Technology Co., Ltd.
- Water pump and humidifier17 Sep 2026US 2026/0275997 A1Suzhou BeiAng Smart Technology Co., Ltd.
Most cited
By later US patents
- Humidifier module for use in a gas humidification assembly398US 4,921,642 APuritan-Bennett Corporation · 1990
- Water-mist blower cooling system and its new applications215US 6,293,121 B12001
- Humidifier181US 4,906,417 AAssociated Mills, Inc. · 1990
- Humidifier172US 6,135,432 AResMed Limited · 2000
- Constant humidity evaporative wicking filter humidifier169US 5,061,405 AEmerson Electric Co. · 1991