F24F 3/1417
With liquid hygroscopic desiccants
Official title: {with liquid hygroscopic desiccants}
F24F3/1417 (With liquid hygroscopic desiccants) appears on 343 US grants and 340 published applications in this corpus.
Search patents in F24F- Granted patents
- 343
- Published applications
- 340
- Assignees
- 151
- Inventors
- 472
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 11 | 0 |
| 1990 | 12 | 0 |
| 1991 | 17 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 4 |
| 2002 | 6 | 4 |
| 2003 | 3 | 5 |
| 2004 | 3 | 7 |
| 2005 | 5 | 6 |
| 2006 | 1 | 3 |
| 2007 | 3 | 4 |
| 2008 | 2 | 6 |
| 2009 | 0 | 4 |
| 2010 | 2 | 8 |
| 2011 | 7 | 10 |
| 2012 | 3 | 15 |
| 2013 | 1 | 24 |
| 2014 | 14 | 22 |
| 2015 | 19 | 14 |
| 2016 | 16 | 19 |
| 2017 | 12 | 21 |
| 2018 | 10 | 16 |
| 2019 | 16 | 22 |
| 2020 | 24 | 23 |
| 2021 | 19 | 20 |
| 2022 | 13 | 20 |
| 2023 | 15 | 16 |
| 2024 | 10 | 21 |
| 2025 | 16 | 21 |
| 2026 | 12 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-stage liquid desiccant dehumidification systems and methods25 Aug 2026US 12,716,597 B2Copeland Corporation
- Liquid desiccant dedicated vapor compression system and a method of operation thereof11 Aug 2026US 12,704,274 B2Carrier Corporation
- Conditioning system including vapor compression system and humidity control system4 Aug 2026US 12,698,910 B2Copeland Corporation
- Staged regenerated liquid desiccant dehumidification systems28 Jul 2026US 12,693,037 B2Mojave Energy Systems, Inc.
- Dual-function water-vapor capture device23 Jun 2026US 12,663,171 B1
- Carbon dioxide capture system using a liquid desiccant, and methods thereof6 Aug 2026US 2026/0225026 A1
- Control sysyem architecture for heat exchanger corrosion prevention for liquid desiccant-based heating, ventilation, air-conditioning and refrigeration systems28 May 2026US 2026/0146749 A1Carrier Corporation
- Surface wettability modification in a liquid desiccant-based heating, ventilation, air-conditioning and refrigeration system28 May 2026US 2026/0146750 A1Carrier Corporation
- Integrated panel design30 Apr 2026US 2026/0117996 A1Nortek Air Solutions Canada, Inc.
- Air conditioning mass transfer assemblies with directed liquid desiccant flow19 Feb 2026US 2026/0049726 A1Blue Frontier Inc.
Most cited
By later US patents
- Desiccant assisted air conditioner154US 4,887,438 A1989
- Air conditioning system with regeneratable desiccant bed139US 4,180,985 ANorthrup, Incorporated · 1980
- Method and apparatus for recovering water from air135US 6,156,102 AFantom Technologies Inc. · 2000
- Air conditioning apparatus125US 5,181,387 A1993
- Low-flow internally-cooled liquid-desiccant absorber115US 5,351,497 AGas Research Institute · 1994