F24F 3/02
Air-conditioning systems in which conditioned primary air is supplied from one or
Official title: characterised by the pressure or velocity of the primary air
F24F3/02 (Air-conditioning systems in which conditioned primary air is supplied from one or) appears on 12 US grants and 9 published applications in this corpus.
Search patents in F24F- Granted patents
- 12
- Published applications
- 9
- Assignees
- 12
- Inventors
- 24
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Air treatment system and method of treating air12 Aug 2025US 12,385,652 B2Fabrum IP Holdings Limited
- Building control system using a control device position as a proxy for static pressure in a conduit2 Jan 2024US 11,859,848 B2Johnson Controls Tyco IP Holdings LLP
- Encapsulated cleanroom system27 Jun 2023US 11,686,479 B2National Institute of Advanced Industrial Science and Technology
- Air conditioner24 May 2022US 11,339,983 B2Toshiba Mitsubishi-Electric Industrial Systems Corporation
- Dual-cycle and dual-outlet air conditioner28 Apr 2020US 10,634,369 B1
- Air conditioning and sterilization system26 Jun 2025US 2025/0207792 A1Matsuei Construction, Inc.
- Duct type air conditioning ventilation system22 Aug 2024US 2024/0280281 A1Fh Alliance Inc.
- Air treatment system and method of treating air14 Dec 2023US 2023/0400197 A1Fabrum IP Holdings Limited
- Building control system using a control device position as a proxy for static pressure in a conduit30 Dec 2021US 2021/0404690 A1Johnson Controls Tyco IP Holdings LLP
- Encapsulated cleanroom system30 Sep 2021US 2021/0302034 A1National Institute of Advanced Industrial Science and Technology
Most cited
By later US patents
- Filtered environmental control system34US 4,829,775 AUnited Technologies Corporation · 1989
- Air cycle refrigeration system13US 4,840,036 AHousehold Manufacturing, Inc. · 1989
- Baseboard space heating, air conditioning and humidity control system8US 4,284,129 A1981
- Energy conservation system5US 3,980,127 APatco, LLC · 1976
- Air conditioning2US 4,048,809 ACasaire Limited · 1977