B01D 53/28
Selection of materials for use as drying agents
B01D53/28 (Selection of materials for use as drying agents) appears on 411 US grants and 491 published applications in this corpus.
Search patents in B01D- Granted patents
- 411
- Published applications
- 491
- Assignees
- 346
- Inventors
- 1,167
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 12 | 0 |
| 2001 | 8 | 3 |
| 2002 | 11 | 5 |
| 2003 | 10 | 6 |
| 2004 | 6 | 14 |
| 2005 | 8 | 10 |
| 2006 | 4 | 15 |
| 2007 | 8 | 6 |
| 2008 | 4 | 8 |
| 2009 | 6 | 10 |
| 2010 | 7 | 11 |
| 2011 | 4 | 17 |
| 2012 | 5 | 8 |
| 2013 | 11 | 33 |
| 2014 | 19 | 15 |
| 2015 | 18 | 17 |
| 2016 | 16 | 16 |
| 2017 | 14 | 26 |
| 2018 | 14 | 28 |
| 2019 | 16 | 22 |
| 2020 | 19 | 41 |
| 2021 | 21 | 29 |
| 2022 | 22 | 27 |
| 2023 | 27 | 36 |
| 2024 | 16 | 32 |
| 2025 | 26 | 33 |
| 2026 | 13 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stable qualified clean hydrogen production process and system11 Aug 2026US 12,703,629 B2Black & Veatch Corporation
- Generate hydrogen as fuel at natural gas processing plant to reduce carbon dioxide emissions11 Aug 2026US 12,704,082 B2Saudi Arabian Oil Company
- System and method for pre-purification of a feed gas stream4 Aug 2026US 12,697,584 B2Linde Aktiengesellschaft
- Staged regenerated liquid desiccant dehumidification systems28 Jul 2026US 12,693,037 B2Mojave Energy Systems, Inc.
- Two-stage carbon dioxide adsorption using collapsed zeolite with ultra-small pores14 Jul 2026US 12,678,778 B2Saudi Arabian Oil Company
- Solid desiccant system for dehumidification1 Oct 2026US 2026/0295517 A1Carrier Corporation
- System and Method for Separating Carbon Dioxide from the Ambient Air10 Sep 2026US 2026/0263988 A1Volkswagen Aktiengesellschaft
- Fine water particle release device and fine water particle release method3 Sep 2026US 2026/0257168 A1Aisin Corporation
- Drying disiccant material of a dehumidifying unit27 Aug 2026US 2026/0249237 A1Koninklijke Philips N. V.
- Reusable Materials for Air Dehumidification and Moisture Removal that is Regenerable by Mechanical Means30 Jul 2026US 2026/0216639 A1The Hong Kong University of Science and Technology
Most cited
By later US patents
- Adsorption air conditioning system107US 5,580,369 ALaRoche Industries, Inc. · 1996
- Using liquid desiccant as a regenerable filter for capturing and deactivating contaminants105US 7,306,650 B2Midwest Research Institute · 2007
- Dessicant entrained polymer93US 6,080,350 ACapitol Specialty Plastics, Inc. · 2000
- Polymer desiccant and system for dehumidified air conditioning92US 5,191,771 A1993
- Method for water removal from corrosive gas streams90US 5,910,292 AAeronex, Inc. · 1999