B01D 2259/40
Further details for adsorption processes and devices
B01D2259/40 (Further details for adsorption processes and devices) appears on 4,243 US grants and 3,733 published applications in this corpus.
Search patents in B01D- Granted patents
- 4,243
- Published applications
- 3,733
- Assignees
- 1,720
- Inventors
- 8,269
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 35 | 0 |
| 1978 | 21 | 0 |
| 1979 | 21 | 0 |
| 1980 | 27 | 0 |
| 1981 | 42 | 0 |
| 1982 | 37 | 0 |
| 1983 | 40 | 0 |
| 1984 | 42 | 0 |
| 1985 | 54 | 0 |
| 1986 | 39 | 0 |
| 1987 | 42 | 0 |
| 1988 | 68 | 0 |
| 1989 | 53 | 0 |
| 1990 | 53 | 0 |
| 1991 | 41 | 0 |
| 1992 | 62 | 0 |
| 1993 | 64 | 0 |
| 1994 | 50 | 0 |
| 1995 | 58 | 0 |
| 1996 | 69 | 0 |
| 1997 | 72 | 0 |
| 1998 | 99 | 0 |
| 1999 | 123 | 0 |
| 2000 | 105 | 0 |
| 2001 | 87 | 24 |
| 2002 | 109 | 95 |
| 2003 | 124 | 108 |
| 2004 | 85 | 105 |
| 2005 | 67 | 129 |
| 2006 | 69 | 122 |
| 2007 | 75 | 105 |
| 2008 | 83 | 111 |
| 2009 | 66 | 108 |
| 2010 | 114 | 128 |
| 2011 | 78 | 113 |
| 2012 | 91 | 136 |
| 2013 | 114 | 110 |
| 2014 | 123 | 110 |
| 2015 | 121 | 143 |
| 2016 | 105 | 157 |
| 2017 | 121 | 158 |
| 2018 | 152 | 179 |
| 2019 | 156 | 170 |
| 2020 | 149 | 163 |
| 2021 | 126 | 182 |
| 2022 | 155 | 193 |
| 2023 | 146 | 222 |
| 2024 | 141 | 211 |
| 2025 | 131 | 242 |
| 2026 | 113 | 209 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 2259/40083Regeneration of adsorbents in processes other than pressure or temperature swing adsorptionIndexing code1,905
- B01D 2259/402Using two bedsIndexing code1,320
- B01D 2259/40011Methods relating to the process cycle in pressure or temperature swing adsorptionIndexing code1,128
- B01D 2259/414Using different types of adsorbentsIndexing code635
- B01D 2259/40007Controlling pressure or temperature swing adsorptionIndexing code576
- B01D 2259/40003Methods relating to valve switchingIndexing code511
- B01D 2259/404Using four bedsIndexing code335
- B01D 2259/403Using three bedsIndexing code332
All 14 subgroupsShow fewer
- B01D 2259/406Using more than four bedsIndexing code291
- B01D 2259/40001Methods relating to additionalIndexing code272
- B01D 2259/41Using plural beds of the same adsorbent in seriesIndexing code213
- B01D 2259/401Using a single bedIndexing code206
- B01D 2259/416Involving cryogenic temperature treatmentIndexing code202
- B01D 2259/418DeletedIndexing code0
Recent patents
- Adsorbent bed with increased hydrothermal stability6 Oct 2026US 12,752,233 B2BASF SE
- System and method for direct air capture of water and CO26 Oct 2026US 12,752,234 B2Battelle Memorial Institute
- High throughput moving panel direct air capture system6 Oct 2026US 12,752,238 B2Zero Carbon Systems, Inc.
- Carbon dioxide removal apparatus29 Sep 2026US 12,746,504 B2Honda Motor Co., Ltd.
- Device and method for passive collection of atmospheric carbon dioxide with a double-walled harvest chamber29 Sep 2026US 12,746,508 B2Arizona Board of Regents on behalf of Arizona State University
- Systems and methods for optimizing carbon dioxide capture using water vapor adsorption8 Oct 2026US 2026/0306991 A1GE Vernova Infrastructure Technology LLC
- Method for treating a fluid, fluid discharge device for a fluid and associated system8 Oct 2026US 2026/0306992 A1
- Processes for sorbent regeneration8 Oct 2026US 2026/0306995 A1Shell USA, Inc.
- Gas separation method, method for producing purified gas, and gas separation apparatus8 Oct 2026US 2026/0306996 A1Asahi Kasei Kabushiki Kaisha
- Membrane-adsorption process for direct air capture8 Oct 2026US 2026/0307001 A1Ohio State Innovation Foundation
Most cited
By later US patents
- Gas purification system and method484US 6,514,313 B1Aeronex, Inc. · 2003
- Abatement of effluents from chemical vapor deposition processes using organometallic source reagents392US 6,749,671 B2Advanced Technology Materials, Inc. · 2004
- Portable oxygen concentration system and method of using the same310US 6,651,658 B1SeQual Technologies, Inc. · 2003
- Device for removal of contaminants from fluid streams235US 5,750,026 ACorning Incorporated · 1998
- Portable oxygen concentration system and method of using the same223US 6,691,702 B2SeQual Technologies, Inc. · 2004