F28D 2021/0038
For drying or dehumidifying gases or vapours
Official title: {for drying or dehumidifying gases or vapours}
F28D2021/0038 (For drying or dehumidifying gases or vapours) appears on 77 US grants and 103 published applications in this corpus.
Search patents in F28D- Granted patents
- 77
- Published applications
- 103
- Assignees
- 75
- Inventors
- 218
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 4 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 6 |
| 2013 | 3 | 9 |
| 2014 | 4 | 5 |
| 2015 | 4 | 6 |
| 2016 | 5 | 3 |
| 2017 | 1 | 7 |
| 2018 | 7 | 10 |
| 2019 | 2 | 7 |
| 2020 | 0 | 5 |
| 2021 | 5 | 5 |
| 2022 | 7 | 2 |
| 2023 | 6 | 9 |
| 2024 | 3 | 2 |
| 2025 | 7 | 10 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plate heat exchanger with overlapping fins and tubes heat exchanger18 Nov 2025US 12,474,125 B2Watergen Ltd.
- Systems and methods for single header glycol distribution for multiplexed heat exchangers14 Oct 2025US 12,440,803 B2Ingersoll-Rand Industrial U.S., Inc.
- Fluid dynamic rain-making apparatus19 Aug 2025US 12,389,840 B2
- Water recovery from heated gas mixtures1 Jul 2025US 12,343,677 B2Utilization Technology Development, Nfp
- Apparatus to harvest atmospheric water vapor27 May 2025US 12,312,777 B2Healixa, Inc
- Gas dehumidification system29 Jan 2026US 2026/0028933 A1
- Systems and methods for single header glycol distribution for multiplexed heat exchangers15 Jan 2026US 2026/0014516 A1
- Apparatus to harvest atmospheric water vapor16 Oct 2025US 2025/0320696 A1Consolidando El Patrimonio, S.A.P.I. De C.V.
- Clothing processing equipment15 May 2025US 2025/0154712 A1
- Heat exchanger and clothing processing equipment having the same15 May 2025US 2025/0155204 A1
Most cited
By later US patents
- Refrigerated air drier with dehumidification of both the low pressure and the high pressure air42US 6,895,774 B12005
- Heat exchanger for dehumidifier using liquid desiccant and dehumidifier using liquid desiccant having the same42US 8,696,805 B2Korea Institute of Science and Technology · 2014
- Heat exchanger having dehumidifying liquid and dehumidifier having the same42US 8,790,454 B2Korea Institute of Science and Technology · 2014
- Air chiller/drier33US 4,287,724 AMorehouse Industries, Inc. · 1981
- Condenser for dehumidifying gas33US 6,619,054 B1Hydrogenics Corporation · 2003