F24F 8/80
Self-contained air purifiers
F24F8/80 (Self-contained air purifiers) appears on 312 US grants and 511 published applications in this corpus.
Search patents in F24F- Granted patents
- 312
- Published applications
- 511
- Assignees
- 212
- Inventors
- 1,105
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 3 |
| 2004 | 3 | 8 |
| 2005 | 6 | 6 |
| 2006 | 1 | 18 |
| 2007 | 2 | 4 |
| 2008 | 5 | 6 |
| 2009 | 3 | 4 |
| 2010 | 2 | 3 |
| 2011 | 5 | 10 |
| 2012 | 4 | 4 |
| 2013 | 4 | 2 |
| 2014 | 1 | 3 |
| 2015 | 5 | 6 |
| 2016 | 2 | 1 |
| 2017 | 5 | 25 |
| 2018 | 7 | 11 |
| 2019 | 13 | 23 |
| 2020 | 15 | 40 |
| 2021 | 13 | 57 |
| 2022 | 23 | 56 |
| 2023 | 41 | 70 |
| 2024 | 47 | 68 |
| 2025 | 29 | 41 |
| 2026 | 36 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air purifier29 Sep 2026US 12,747,885 B2Coway Co., Ltd.
- Indoor environment control system and operation method thereof22 Sep 2026US 12,742,562 B2Industry-Academic Cooperation Foundation, Dankook University
- Photocatalyst filter and electronic device comprising same15 Sep 2026US 12,734,266 B2Samsung Electronics Co., Ltd.
- Air cleaner15 Sep 2026US 12,736,250 B2LG Electronics Inc.
- Air purifier8 Sep 2026US 12,729,867 B2Shenzhen Chenbei Technology Co., Ltd.
- Air purifying and deodorizing device incorporating fragrance diffusion17 Sep 2026US 2026/0276226 A1
- Pipe Mounting Device3 Sep 2026US 2026/0258961 A1Crawford Global Limited
- Air purifier for collecting pet hair27 Aug 2026US 2026/0251327 A1Ningbo Taller Intelligent Technology Co., Ltd
- Air Purifier27 Aug 2026US 2026/0251347 A1Shenzhen Chenbei Technology Co., Ltd.
- Air cleaner20 Aug 2026US 2026/0241320 A1LG Electronics Inc.
Most cited
By later US patents
- Air treatment system120US 5,616,172 ANature's Quarters, Inc. · 1997
- Wall mounted air cleaner assembly109US 5,601,636 AAppliance Development Corporation · 1997
- Cleansing system using treated recirculating air98US 4,244,712 A1981
- Filter air cleaner97US 5,753,000 AHoneywell Consumer Products, Inc. · 1998
- Automatic air cleaner92US 5,702,507 AYih Change Enterprise Co., Ltd. · 1997