F24F 7/003
In combination with air cleaning
Official title: in combination with air cleaning
F24F7/003 (In combination with air cleaning) appears on 157 US grants and 284 published applications in this corpus.
Search patents in F24F- Granted patents
- 157
- Published applications
- 284
- Assignees
- 155
- Inventors
- 591
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 6 |
| 2006 | 2 | 7 |
| 2007 | 2 | 15 |
| 2008 | 2 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 0 | 0 |
| 2012 | 2 | 4 |
| 2013 | 1 | 7 |
| 2014 | 2 | 6 |
| 2015 | 5 | 6 |
| 2016 | 7 | 4 |
| 2017 | 3 | 9 |
| 2018 | 3 | 9 |
| 2019 | 6 | 17 |
| 2020 | 11 | 15 |
| 2021 | 6 | 26 |
| 2022 | 10 | 45 |
| 2023 | 21 | 32 |
| 2024 | 22 | 22 |
| 2025 | 17 | 23 |
| 2026 | 9 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Z-shield™ filtered air protective system4 Aug 2026US 12,697,512 B2
- Transfer chamber7 Jul 2026US 12,677,625 B2Sinfonia Technology Co., Ltd.
- Air conditioner16 Jun 2026US 12,656,004 B2Daikin Industries, Ltd.
- Conditioning ventilation system12 May 2026US 12,624,848 B2Fh Alliance Inc.
- Air conditioning system and method for disinfection of public facilities12 May 2026US 12,624,852 B2Korea Institute of Materials Science
- An apparatus for ventilating an environment24 Sep 2026US 2026/0287189 A1Earthonomic Ecosolutions Private Limited
- Ventilation unit for a space27 Aug 2026US 2026/0251325 A1Clairitech Innovations Inc.
- Air filter lift assembly20 Aug 2026US 2026/0242190 A1
- Air purifier6 Aug 2026US 2026/0225017 A1Brother Kogyo Kabushiki Kaisha
- Central medical suite system30 Jul 2026US 2026/0218927 A1SLD Technology, Inc.
Most cited
By later US patents
- Damper control in space heating and cooling114US 7,258,280 B2Tuckernuck Technologies LLC · 2007
- Commercial kitchen exhaust system69US 6,170,480 B2Melink Corporation · 2001
- Apparatus and method for passive ventilation of buildings55US 6,077,159 ACTI Building Systems · 2000
- Methods and systems for managing air quality and energy use in air-conditioning systems50US 9,328,936 B2Enverid Systems, Inc. · 2016
- Table with electrostatic air purifier/cleaner46US 4,248,162 ASpellman High Voltage Electronics Corp. · 1981