F24F 1/0071
With means for purifying supplied air
Official title: with means for purifying supplied air (perfuming or deodorising means F24F1/008)
F24F1/0071 (With means for purifying supplied air) appears on 572 US grants and 629 published applications in this corpus.
Search patents in F24F- Granted patents
- 572
- Published applications
- 629
- Assignees
- 223
- Inventors
- 1,469
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 12 | 0 |
| 2000 | 15 | 0 |
| 2001 | 15 | 4 |
| 2002 | 17 | 14 |
| 2003 | 8 | 9 |
| 2004 | 8 | 23 |
| 2005 | 12 | 27 |
| 2006 | 13 | 30 |
| 2007 | 15 | 20 |
| 2008 | 11 | 22 |
| 2009 | 12 | 27 |
| 2010 | 15 | 25 |
| 2011 | 14 | 30 |
| 2012 | 15 | 17 |
| 2013 | 16 | 15 |
| 2014 | 18 | 16 |
| 2015 | 9 | 23 |
| 2016 | 22 | 19 |
| 2017 | 27 | 45 |
| 2018 | 18 | 30 |
| 2019 | 28 | 26 |
| 2020 | 27 | 24 |
| 2021 | 21 | 35 |
| 2022 | 15 | 34 |
| 2023 | 29 | 38 |
| 2024 | 30 | 44 |
| 2025 | 33 | 22 |
| 2026 | 20 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Indoor unit for air conditioner29 Sep 2026US 12,746,496 B2LG Electronics Inc.
- Indoor unit for air conditioner29 Sep 2026US 12,746,497 B2LG Electronics Inc.
- Air conditioning apparatus15 Sep 2026US 12,734,472 B2LG Electronics Inc.
- Electrostatic precipitator and control method thereof8 Sep 2026US 12,728,424 B2Samsung Electronics Co., Ltd.
- Indoor unit for air conditioner25 Aug 2026US 12,714,961 B2LG Electronics Inc.
- Indoor unit of fan wall type air conditioner, and fan wall type air conditioner17 Sep 2026US 2026/0276217 A1Guangdong Envicool Technology Co., Ltd.
- Air conditioner indoor unit and air conditioner having same6 Aug 2026US 2026/0227079 A1Gd Midea Air-Conditioning Equipment Co., Ltd.
- Air treatment apparatus21 May 2026US 2026/0138068 A1
- Air processing units for ventilation systems7 May 2026US 2026/0126194 A1
- Managing The Effectiveness Of Repairs In Refrigeration Assets16 Apr 2026US 2026/0104326 A1KLATU Networks, Inc.
Most cited
By later US patents
- Contaminant monitoring and air filtration system256US 10,422,727 B22019
- Room air treatment system175US 4,737,173 AAmway Corporation · 1988
- Air treatment system120US 5,616,172 ANature's Quarters, Inc. · 1997
- Apparatus suited for ventilating rooms contaminated with infectious disease organisms114US 5,761,908 AAir Quality Engineering · 1998
- Air filtering fixture113US 5,443,625 A1995