F24F 6/02
Air-humidification: by evaporation of water in the air
Official title: by evaporation of water in the air
F24F6/02 (Air-humidification: by evaporation of water in the air) appears on 912 US grants and 840 published applications in this corpus.
Search patents in F24F- Granted patents
- 912
- Published applications
- 840
- Assignees
- 423
- Inventors
- 1,766
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 18 | 0 |
| 1978 | 12 | 0 |
| 1979 | 9 | 0 |
| 1980 | 19 | 0 |
| 1981 | 13 | 0 |
| 1982 | 16 | 0 |
| 1983 | 13 | 0 |
| 1984 | 12 | 0 |
| 1985 | 8 | 0 |
| 1986 | 11 | 0 |
| 1987 | 15 | 0 |
| 1988 | 11 | 0 |
| 1989 | 10 | 0 |
| 1990 | 14 | 0 |
| 1991 | 11 | 0 |
| 1992 | 16 | 0 |
| 1993 | 12 | 0 |
| 1994 | 16 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 17 | 0 |
| 1999 | 22 | 0 |
| 2000 | 12 | 0 |
| 2001 | 24 | 4 |
| 2002 | 16 | 16 |
| 2003 | 22 | 14 |
| 2004 | 9 | 14 |
| 2005 | 11 | 19 |
| 2006 | 8 | 15 |
| 2007 | 7 | 15 |
| 2008 | 9 | 17 |
| 2009 | 10 | 23 |
| 2010 | 2 | 15 |
| 2011 | 15 | 29 |
| 2012 | 12 | 18 |
| 2013 | 15 | 29 |
| 2014 | 17 | 23 |
| 2015 | 18 | 36 |
| 2016 | 36 | 31 |
| 2017 | 28 | 74 |
| 2018 | 37 | 35 |
| 2019 | 42 | 58 |
| 2020 | 39 | 54 |
| 2021 | 40 | 60 |
| 2022 | 37 | 54 |
| 2023 | 31 | 47 |
| 2024 | 34 | 64 |
| 2025 | 36 | 29 |
| 2026 | 25 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Humidifier11 Aug 2026US 12,704,275 B2LG Electronics Inc.
- Resistance measurement method and apparatus for vaporizer, electronic vaporization device, and storage medium11 Aug 2026US 12,704,415 B2Shenzhen Verdewell Technology Limited
- Method of enhancing performance of a porous evaporative media14 Jul 2026US 12,680,054 B2Ecolab USA Inc.
- Method of enhancing performance of a porous evaporative media8 Oct 2026US 2026/0308483 A1Ecolab USA Inc.
- An apparatus for ventilating an environment24 Sep 2026US 2026/0287189 A1Earthonomic Ecosolutions Private Limited
- Humidifier and water storage component thereof17 Sep 2026US 2026/0276222 A1Shenzhen Chenbei Technology Co., Ltd.
- Humidifier wet-pack assembly17 Sep 2026US 2026/0276223 A1Research Products Corporation
- Evaporator and humidification device27 Aug 2026US 2026/0251323 A1Shenzhen Chenbei 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
- Humidifier172US 6,135,432 AResMed Limited · 2000
- Constant humidity evaporative wicking filter humidifier169US 5,061,405 AEmerson Electric Co. · 1991
- Evaporative humidifier147US 5,783,117 AHunter Fan Company · 1998
- Steam generator126US 4,419,302 AMatsushita Electric Industrial Co., Ltd. · 1983