F24F 13/08
Air-flow control members
Official title: Air-flow control members, e.g. louvres, grilles, flaps or guide plates (F24F7/013, F24F13/06 take precedence)
F24F13/08 (Air-flow control members) appears on 2,992 US grants and 3,092 published applications in this corpus.
Search patents in F24F- Granted patents
- 2,992
- Published applications
- 3,092
- Assignees
- 1,265
- Inventors
- 6,216
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 20 | 0 |
| 1978 | 18 | 0 |
| 1979 | 12 | 0 |
| 1980 | 24 | 0 |
| 1981 | 26 | 0 |
| 1982 | 18 | 0 |
| 1983 | 24 | 0 |
| 1984 | 31 | 0 |
| 1985 | 48 | 0 |
| 1986 | 26 | 0 |
| 1987 | 42 | 0 |
| 1988 | 37 | 0 |
| 1989 | 36 | 0 |
| 1990 | 27 | 0 |
| 1991 | 28 | 0 |
| 1992 | 29 | 0 |
| 1993 | 46 | 0 |
| 1994 | 36 | 0 |
| 1995 | 30 | 0 |
| 1996 | 39 | 0 |
| 1997 | 31 | 0 |
| 1998 | 50 | 0 |
| 1999 | 37 | 0 |
| 2000 | 47 | 0 |
| 2001 | 49 | 10 |
| 2002 | 40 | 30 |
| 2003 | 36 | 36 |
| 2004 | 42 | 56 |
| 2005 | 28 | 48 |
| 2006 | 38 | 60 |
| 2007 | 25 | 69 |
| 2008 | 20 | 57 |
| 2009 | 31 | 70 |
| 2010 | 33 | 68 |
| 2011 | 27 | 65 |
| 2012 | 29 | 91 |
| 2013 | 41 | 96 |
| 2014 | 41 | 105 |
| 2015 | 55 | 132 |
| 2016 | 70 | 127 |
| 2017 | 108 | 179 |
| 2018 | 100 | 193 |
| 2019 | 174 | 233 |
| 2020 | 187 | 240 |
| 2021 | 156 | 231 |
| 2022 | 179 | 238 |
| 2023 | 207 | 210 |
| 2024 | 188 | 207 |
| 2025 | 184 | 142 |
| 2026 | 115 | 99 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Air purifier29 Sep 2026US 12,747,885 B2Coway Co., Ltd.
- Vent systems including unitary longitudinally extending blades, and related endcaps8 Oct 2026US 2026/0309358 A1GrainProteinTech Climate Control Air Treatment US LLC
- Noise reduction control method, noise reduction control device and air conditioner8 Oct 2026US 2026/0309361 A1Gd Midea Air-Conditioning Equipment Co., Ltd.
- Cooling system, a semiconductor apparatus including the same, and a method of replacing a filter using the same8 Oct 2026US 2026/0309362 A1Samsung Electronics Co., Ltd.
- Foundation vent cover1 Oct 2026US 2026/0298498 A1K&N Engineering, Inc.
- Duct ventilation fan24 Sep 2026US 2026/0287191 A1Mitsubishi Electric Corporation
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- Self configuring controller243US 5,276,630 AAmerican Standard Inc. · 1994
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