F24F 2203/00
Devices or apparatus used for air treatment
F24F2203/00 (Devices or apparatus used for air treatment) appears on 768 US grants and 549 published applications in this corpus.
Search patents in F24F- Granted patents
- 768
- Published applications
- 549
- Assignees
- 377
- Inventors
- 1,385
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 11 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 10 | 0 |
| 1987 | 11 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 14 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 16 | 0 |
| 1994 | 23 | 0 |
| 1995 | 18 | 0 |
| 1996 | 35 | 0 |
| 1997 | 19 | 0 |
| 1998 | 27 | 0 |
| 1999 | 22 | 0 |
| 2000 | 19 | 0 |
| 2001 | 27 | 3 |
| 2002 | 18 | 12 |
| 2003 | 14 | 15 |
| 2004 | 13 | 13 |
| 2005 | 12 | 19 |
| 2006 | 16 | 30 |
| 2007 | 14 | 21 |
| 2008 | 15 | 10 |
| 2009 | 9 | 12 |
| 2010 | 10 | 22 |
| 2011 | 4 | 19 |
| 2012 | 2 | 16 |
| 2013 | 11 | 25 |
| 2014 | 10 | 18 |
| 2015 | 14 | 15 |
| 2016 | 22 | 21 |
| 2017 | 21 | 27 |
| 2018 | 20 | 37 |
| 2019 | 30 | 23 |
| 2020 | 29 | 32 |
| 2021 | 26 | 35 |
| 2022 | 27 | 30 |
| 2023 | 29 | 28 |
| 2024 | 27 | 26 |
| 2025 | 21 | 26 |
| 2026 | 8 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Energy management systems18 Aug 2026US 12,710,184 B2
- Desiccant rotor7 Jul 2026US 12,673,291 B1
- Dual-function water-vapor capture device23 Jun 2026US 12,663,171 B1
- Method of producing a desiccant rotor26 May 2026US 12,636,608 B2Munters Corporation
- System and method for removal of moisture and other sorbates28 Apr 2026US 12,613,041 B2Bry-Air [Asia] Pvt. Ltd.
- Compositions and Methods for Treatment of Protease Mediated Disease24 Sep 2026US 2026/0284144 A1The Regents of the University of California
- Method for providing cooled air20 Aug 2026US 2026/0243457 A1
- A desiccant dehumidifier and a method, performed by a control device, for controlling a desiccant dehumidifier30 Jul 2026US 2026/0218921 A1Munters Europe Aktiebolag
- Air conditioner30 Jul 2026US 2026/0218922 A1LG Electronics Inc.
- Dehumidifying system18 Jun 2026US 2026/0168682 A1Munters Europe Aktiebolag
Most cited
By later US patents
- Self configuring controller243US 5,276,630 AAmerican Standard Inc. · 1994
- Dri-Pc humidity and temperature controller164US 4,841,733 A1989
- Desiccant assisted air conditioner154US 4,887,438 A1989
- Heat exchanger, heat pump, dehumidifier, and dehumidifying method148US 6,442,951 B1Ebara Corporation · 2002
- Air conditioning system with regeneratable desiccant bed139US 4,180,985 ANorthrup, Incorporated · 1980