F24F 7/00
Ventilation
F24F7/00 (Ventilation) appears on 2,902 US grants and 3,270 published applications in this corpus.
Search patents in F24F- Granted patents
- 2,902
- Published applications
- 3,270
- Assignees
- 1,423
- Inventors
- 5,840
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 26 | 0 |
| 1978 | 19 | 0 |
| 1979 | 13 | 0 |
| 1980 | 22 | 0 |
| 1981 | 22 | 0 |
| 1982 | 17 | 0 |
| 1983 | 18 | 0 |
| 1984 | 19 | 0 |
| 1985 | 39 | 0 |
| 1986 | 28 | 0 |
| 1987 | 23 | 0 |
| 1988 | 30 | 0 |
| 1989 | 34 | 0 |
| 1990 | 32 | 0 |
| 1991 | 37 | 0 |
| 1992 | 37 | 0 |
| 1993 | 21 | 0 |
| 1994 | 45 | 0 |
| 1995 | 22 | 0 |
| 1996 | 25 | 0 |
| 1997 | 33 | 0 |
| 1998 | 43 | 0 |
| 1999 | 31 | 0 |
| 2000 | 36 | 0 |
| 2001 | 52 | 15 |
| 2002 | 48 | 36 |
| 2003 | 44 | 41 |
| 2004 | 37 | 42 |
| 2005 | 31 | 69 |
| 2006 | 29 | 84 |
| 2007 | 28 | 73 |
| 2008 | 33 | 90 |
| 2009 | 35 | 64 |
| 2010 | 27 | 82 |
| 2011 | 38 | 101 |
| 2012 | 42 | 109 |
| 2013 | 48 | 138 |
| 2014 | 80 | 157 |
| 2015 | 96 | 192 |
| 2016 | 101 | 124 |
| 2017 | 135 | 161 |
| 2018 | 117 | 166 |
| 2019 | 146 | 187 |
| 2020 | 177 | 202 |
| 2021 | 124 | 221 |
| 2022 | 158 | 261 |
| 2023 | 181 | 200 |
| 2024 | 171 | 203 |
| 2025 | 131 | 138 |
| 2026 | 96 | 114 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F24F 7/04Ventilation: with ducting systems1,201
- F24F 7/007Ventilation: with forced flow915
- F24F 7/02Roof ventilation728
- F24F 2007/001Ventilation: with exhausting air ductsIndexing code192
- F24F 7/003In combination with air cleaning157
- F24F 2007/0025Ventilation: using vent ports in a wallIndexing code133
- F24F 2007/004Natural ventilation using convectionIndexing code60
- F24F 2007/005Cyclic ventilationIndexing code17
Recent patents
- Circulating air module and circulating air module system29 Sep 2026US 12,747,870 B2Envola GmbH
- Window air conditioner22 Sep 2026US 12,742,557 B2Gd Midea Air-Conditioning Equipment Co., Ltd.
- Temperature chamber and environment forming device22 Sep 2026US 12,742,561 B2Espec Corp.
- Indoor environment control system and operation method thereof22 Sep 2026US 12,742,562 B2Industry-Academic Cooperation Foundation, Dankook University
- Ventilation apparatus15 Sep 2026US 12,736,253 B2LG Electronics Inc.
- Ceiling-mounted room cooling exhaust fan assembly8 Oct 2026US 2026/0309345 A1Solatube International, Inc.
- Fresh air washing machine1 Oct 2026US 2026/0297838 A1Haier Smart Home Co., Ltd.
- An apparatus for ventilating an environment24 Sep 2026US 2026/0287189 A1Earthonomic Ecosolutions Private Limited
- Device for Standardizing Temperature Humidity in an Enclosed Space24 Sep 2026US 2026/0287190 A1Raan Global, Sl.
- Duct ventilation fan24 Sep 2026US 2026/0287191 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Method and apparatus for attachment and evacuation220US 10,751,768 B2Buffalo Filter LLC · 2020
- Roof vent of synthetic fiber matting187US 5,167,579 A1992
- Variable-volume exhaust system169US 10,029,289 B2Greenheck Fan Corporation · 2018
- Vibration isolating seal for mounting fans and blowers154US 4,568,243 ABarry Wright Corporation · 1986
- Raised floor air handling unit154US 6,616,524 B22003