F24F 1/00
Room units for air-conditioning
Official title: Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
F24F1/00 (Room units for air-conditioning) appears on 4,866 US grants and 5,851 published applications in this corpus.
Search patents in F24F- Granted patents
- 4,866
- Published applications
- 5,851
- Assignees
- 1,218
- Inventors
- 9,638
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 21 | 0 |
| 1978 | 16 | 0 |
| 1979 | 12 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 9 | 0 |
| 1983 | 10 | 0 |
| 1984 | 18 | 0 |
| 1985 | 25 | 0 |
| 1986 | 10 | 0 |
| 1987 | 29 | 0 |
| 1988 | 28 | 0 |
| 1989 | 22 | 0 |
| 1990 | 33 | 0 |
| 1991 | 41 | 0 |
| 1992 | 36 | 0 |
| 1993 | 42 | 0 |
| 1994 | 60 | 0 |
| 1995 | 42 | 0 |
| 1996 | 31 | 0 |
| 1997 | 39 | 0 |
| 1998 | 66 | 0 |
| 1999 | 69 | 0 |
| 2000 | 80 | 0 |
| 2001 | 85 | 13 |
| 2002 | 90 | 49 |
| 2003 | 48 | 53 |
| 2004 | 48 | 81 |
| 2005 | 47 | 121 |
| 2006 | 59 | 114 |
| 2007 | 67 | 99 |
| 2008 | 47 | 131 |
| 2009 | 39 | 116 |
| 2010 | 70 | 137 |
| 2011 | 61 | 144 |
| 2012 | 68 | 135 |
| 2013 | 65 | 131 |
| 2014 | 85 | 178 |
| 2015 | 103 | 256 |
| 2016 | 151 | 246 |
| 2017 | 181 | 327 |
| 2018 | 221 | 305 |
| 2019 | 293 | 378 |
| 2020 | 288 | 495 |
| 2021 | 317 | 482 |
| 2022 | 359 | 417 |
| 2023 | 350 | 398 |
| 2024 | 380 | 434 |
| 2025 | 362 | 384 |
| 2026 | 205 | 227 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F24F 1/0007Indoor units2,320
- F24F 1/06Separate outdoor units1,477
- F24F 1/02Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed1,267
- F24F 1/0003Room units for air-conditioning: characterised by a split arrangement, wherein parts of272
- F24F 1/01In which secondary air is induced by injector action of the primary97
Recent patents
- Fine particles space placement control system, fine particles space placement control method, and computer-readable storage medium6 Oct 2026US 12,752,295 B2
- Outdoor unit of air conditioner6 Oct 2026US 12,753,934 B2Samsung Electronics Co., Ltd.
- Air guide ring, air conditioner outdoor unit, and air conditioner6 Oct 2026US 12,753,935 B2Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Adjustable working fluid reservoir for HVAC system6 Oct 2026US 12,753,942 B2Tyco Fire & Security GmbH
- Ceiling type air cleaner6 Oct 2026US 12,753,946 B2Samsung Electronics Co., Ltd.
- Air conditioner indoor unit and air conditioner8 Oct 2026US 2026/0309341 A1Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Ventilation system8 Oct 2026US 2026/0309342 A1Industrial Ventilation, Inc.
- Air conditioner outdoor unit and air conditioner8 Oct 2026US 2026/0309343 A1Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Collapsible hood8 Oct 2026US 2026/0309344 A1Nortek Air Solutions, LLC
- Detection system and detection method8 Oct 2026US 2026/0309353 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Contaminant monitoring and air filtration system256US 10,422,727 B22019
- Scavenger energy converter system its new applications and its control systems239US 6,327,994 B12001
- Water-mist blower cooling system and its new applications215US 6,293,121 B12001
- Portable air comfort system thermostat enabling personal localized control of room temperature181US 5,839,654 AInnova Patent Trust · 1998
- Individual workspace environmental control177US 5,725,148 A1998