F24F 13/22
Means for preventing condensation or evacuating condensate
F24F13/22 (Means for preventing condensation or evacuating condensate) appears on 1,322 US grants and 1,528 published applications in this corpus.
Search patents in F24F- Granted patents
- 1,322
- Published applications
- 1,528
- Assignees
- 520
- Inventors
- 3,154
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 8 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 12 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 13 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 16 | 0 |
| 1998 | 8 | 0 |
| 1999 | 25 | 0 |
| 2000 | 16 | 0 |
| 2001 | 27 | 4 |
| 2002 | 34 | 21 |
| 2003 | 21 | 27 |
| 2004 | 26 | 19 |
| 2005 | 20 | 31 |
| 2006 | 18 | 37 |
| 2007 | 19 | 36 |
| 2008 | 14 | 40 |
| 2009 | 10 | 30 |
| 2010 | 17 | 29 |
| 2011 | 28 | 44 |
| 2012 | 17 | 23 |
| 2013 | 13 | 41 |
| 2014 | 22 | 51 |
| 2015 | 28 | 52 |
| 2016 | 29 | 54 |
| 2017 | 52 | 85 |
| 2018 | 58 | 90 |
| 2019 | 83 | 88 |
| 2020 | 86 | 115 |
| 2021 | 66 | 120 |
| 2022 | 79 | 101 |
| 2023 | 89 | 105 |
| 2024 | 104 | 99 |
| 2025 | 95 | 112 |
| 2026 | 66 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Condensate discharge trays29 Sep 2026US 12,747,889 B2Lennox Industries Inc.
- Valve assembly for AC condensate line22 Sep 2026US 12,742,568 B2
- Portable air conditioner15 Sep 2026US 12,736,233 B2Hephzibah Co., Ltd.
- Wickless humidifier15 Sep 2026US 12,736,238 B2Versuni Holding B.V.
- Relay unit and air-conditioning apparatus including relay unit8 Sep 2026US 12,729,876 B2Mitsubishi Electric Corporation
- Air conditioner indoor unit and air conditioner8 Oct 2026US 2026/0309341 A1Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Ultra-thin dehumidifier1 Oct 2026US 2026/0298486 A1Guangdong Invitop Technology Co., Ltd.
- Enclosure for Thermal Management Module24 Sep 2026US 2026/0285130 A1Mahle International GmbH
- Systems and methods for air-conditioning unit run-off mitigation24 Sep 2026US 2026/0287206 A1
- Air conditioner17 Sep 2026US 2026/0276219 A1Gd Midea Air-Conditioning Equipment Co., Ltd.
Most cited
By later US patents
- Hvac control system and method221US 5,544,809 ASenercomm, Inc. · 1996
- Desiccant refrigerant dehumidifier104US 6,557,365 B2Munters Corporation · 2003
- Devices and methods for sensing condensation conditions and for preventing and removing condensation from surfaces96US 6,886,351 B22005
- Condensate liquid management system for air conditioner65US 5,682,757 ASmart Power Systems, Inc. · 1997
- Devices and methods for sensing condensation conditions and for removing condensation from surfaces65US 6,470,696 B12002