B01D 53/263
By absorption
Official title: {by absorption}
B01D53/263 (By absorption) appears on 521 US grants and 580 published applications in this corpus.
Search patents in B01D- Granted patents
- 521
- Published applications
- 580
- Assignees
- 353
- Inventors
- 1,077
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 2 |
| 2002 | 6 | 6 |
| 2003 | 5 | 5 |
| 2004 | 6 | 8 |
| 2005 | 5 | 8 |
| 2006 | 8 | 9 |
| 2007 | 6 | 7 |
| 2008 | 4 | 6 |
| 2009 | 3 | 8 |
| 2010 | 2 | 6 |
| 2011 | 9 | 15 |
| 2012 | 5 | 25 |
| 2013 | 7 | 38 |
| 2014 | 22 | 24 |
| 2015 | 26 | 24 |
| 2016 | 30 | 24 |
| 2017 | 15 | 31 |
| 2018 | 24 | 31 |
| 2019 | 41 | 48 |
| 2020 | 29 | 44 |
| 2021 | 32 | 33 |
| 2022 | 24 | 30 |
| 2023 | 20 | 36 |
| 2024 | 19 | 40 |
| 2025 | 32 | 45 |
| 2026 | 23 | 27 |
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
- Stable qualified clean hydrogen production process and system11 Aug 2026US 12,703,629 B2Black & Veatch Corporation
- Latent heat and condensation exchanger11 Aug 2026US 12,704,076 B2Sustainable Energy Solutions, LLC
- Liquid desiccant dedicated vapor compression system and a method of operation thereof11 Aug 2026US 12,704,274 B2Carrier Corporation
- Staged regenerated liquid desiccant dehumidification systems28 Jul 2026US 12,693,037 B2Mojave Energy Systems, Inc.
- Integration of ethanol production with co2 compression and dehydration27 Aug 2026US 2026/0249235 A1POET Research, Inc.
- Efficient atmospheric water generation systems and methods with data center integration20 Aug 2026US 2026/0241333 A1Genesis Systems LLC
- Carbon dioxide capture system using a liquid desiccant, and methods thereof6 Aug 2026US 2026/0225026 A1
- Atmospheric Water Generation Systems Encompassing Hygroscopic Media and Methods of Using the Same6 Aug 2026US 2026/0225034 A1Genesis Systems LLC
- Tail gas treatment by two stage adsorption with intermediate cooling30 Jul 2026US 2026/0216647 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Continuous carbon dioxide and water removal system138US 5,281,254 AUnited Technologies Corporation · 1994
- Method and apparatus for recovering water from air135US 6,156,102 AFantom Technologies Inc. · 2000
- Low-flow internally-cooled liquid-desiccant absorber115US 5,351,497 AGas Research Institute · 1994
- Using liquid desiccant as a regenerable filter for capturing and deactivating contaminants105US 7,306,650 B2Midwest Research Institute · 2007
- Multi-stage boiler/regenerator for liquid desiccant dehumidifiers83US 4,939,906 AGas Research Institute · 1990