F24F 13/28
Arrangement or mounting of filters
F24F13/28 (Arrangement or mounting of filters) appears on 856 US grants and 1,077 published applications in this corpus.
Search patents in F24F- Granted patents
- 856
- Published applications
- 1,077
- Assignees
- 471
- Inventors
- 2,276
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 14 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 12 | 1 |
| 2002 | 9 | 3 |
| 2003 | 7 | 11 |
| 2004 | 10 | 15 |
| 2005 | 7 | 10 |
| 2006 | 6 | 9 |
| 2007 | 6 | 11 |
| 2008 | 9 | 5 |
| 2009 | 9 | 14 |
| 2010 | 6 | 20 |
| 2011 | 9 | 14 |
| 2012 | 12 | 13 |
| 2013 | 11 | 13 |
| 2014 | 15 | 22 |
| 2015 | 17 | 23 |
| 2016 | 20 | 28 |
| 2017 | 23 | 93 |
| 2018 | 32 | 66 |
| 2019 | 59 | 86 |
| 2020 | 69 | 83 |
| 2021 | 43 | 100 |
| 2022 | 65 | 122 |
| 2023 | 75 | 115 |
| 2024 | 81 | 91 |
| 2025 | 72 | 68 |
| 2026 | 47 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for an adjustable filter rack6 Oct 2026US 12,753,948 B2Midea Group Co., Ltd.
- Indoor air pollution prevention system6 Oct 2026US 12,753,949 B2Microjet Technology Co., Ltd.
- Filter unit29 Sep 2026US 12,746,493 B2Samsung Biologics Co., Ltd.
- Humidifier29 Sep 2026US 12,747,879 B2LG Electronics Inc.
- Cooling system, a semiconductor apparatus including the same, and a method of replacing a filter using the same29 Sep 2026US 12,747,890 B2Samsung Electronics Co., Ltd.
- Airframe system and method of controlling airflow8 Oct 2026US 2026/0306210 A1SLD Technology, Inc.
- 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.
- Volute component for air conditioner, and air conditioner17 Sep 2026US 2026/0276218 A1Gd Midea Air-Conditioning Equipment Co., Ltd.
- Insertable media cleaner for hvac duct27 Aug 2026US 2026/0249219 A1Vibrant Building Technologies LLC
- Air purifier for collecting pet hair27 Aug 2026US 2026/0251327 A1Ningbo Taller Intelligent Technology Co., Ltd
Most cited
By later US patents
- Room air treatment system175US 4,737,173 AAmway Corporation · 1988
- Air filter monitor for HVAC units164US 6,448,896 B1Carrier Corporation · 2002
- HVAC localized air filter assembly system117US 6,814,660 B12004
- Variable air volume clogged filter detector94US 4,751,501 AHoneywell Inc. · 1988
- Composite filter set for gas flow ducts86US 4,080,185 AFirma Carl Freudenberg · 1978