F24F 7/06
With forced air circulation
Official title: with forced air circulation, e.g. by fan {positioning of a ventilator in or against a conduit}
F24F7/06 (With forced air circulation) appears on 1,056 US grants and 1,234 published applications in this corpus.
Search patents in F24F- Granted patents
- 1,056
- Published applications
- 1,234
- Assignees
- 620
- Inventors
- 2,451
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 13 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 7 | 0 |
| 1985 | 15 | 0 |
| 1986 | 10 | 0 |
| 1987 | 7 | 0 |
| 1988 | 13 | 0 |
| 1989 | 10 | 0 |
| 1990 | 11 | 0 |
| 1991 | 16 | 0 |
| 1992 | 17 | 0 |
| 1993 | 10 | 0 |
| 1994 | 20 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 2 |
| 2002 | 6 | 7 |
| 2003 | 13 | 14 |
| 2004 | 8 | 14 |
| 2005 | 8 | 17 |
| 2006 | 7 | 20 |
| 2007 | 6 | 16 |
| 2008 | 12 | 21 |
| 2009 | 10 | 15 |
| 2010 | 2 | 30 |
| 2011 | 11 | 28 |
| 2012 | 13 | 39 |
| 2013 | 15 | 42 |
| 2014 | 25 | 55 |
| 2015 | 32 | 71 |
| 2016 | 33 | 51 |
| 2017 | 54 | 67 |
| 2018 | 39 | 64 |
| 2019 | 69 | 80 |
| 2020 | 65 | 94 |
| 2021 | 58 | 89 |
| 2022 | 62 | 118 |
| 2023 | 74 | 80 |
| 2024 | 74 | 90 |
| 2025 | 60 | 61 |
| 2026 | 39 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Circulating air module and circulating air module system29 Sep 2026US 12,747,870 B2Envola GmbH
- Temperature chamber and environment forming device22 Sep 2026US 12,742,561 B2Espec Corp.
- Ventilation apparatus15 Sep 2026US 12,736,253 B2LG Electronics Inc.
- System and method using connected dampers for dehumidifying air21 Jul 2026US 12,687,313 B2Research Products Corporation
- Transfer chamber7 Jul 2026US 12,677,625 B2Sinfonia Technology Co., Ltd.
- 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.
- Duct ventilation fan24 Sep 2026US 2026/0287191 A1Mitsubishi Electric Corporation
- Ventilation apparatus24 Sep 2026US 2026/0287204 A1Samsung Electronics Co., Ltd.
- Ventilation apparatus24 Sep 2026US 2026/0287205 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Method and apparatus for attachment and evacuation220US 10,751,768 B2Buffalo Filter LLC · 2020
- Raised floor air handling unit154US 6,616,524 B22003
- Modular floor sub-structure for the operational support of computer systems129US 5,467,609 ALiebert Corporation · 1995
- Method and apparatus for controlling ventilation rates and indoor air quality in an HVAC system120US 5,292,280 AJohnson Service Company · 1994
- Modular floor sub-structure for the operational support of computer systems94US 5,345,779 ALiebert Corporation · 1994