B01D 2259/40084
By exchanging used adsorbents with fresh adsorbents
Official title: by exchanging used adsorbents with fresh adsorbents
B01D2259/40084 (By exchanging used adsorbents with fresh adsorbents) appears on 147 US grants and 108 published applications in this corpus.
Search patents in B01D- Granted patents
- 147
- Published applications
- 108
- Assignees
- 126
- Inventors
- 370
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 2 | 0 |
| 1994 | 8 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 6 |
| 2003 | 3 | 1 |
| 2004 | 4 | 6 |
| 2005 | 2 | 7 |
| 2006 | 2 | 3 |
| 2007 | 2 | 1 |
| 2008 | 4 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 3 |
| 2011 | 3 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 4 |
| 2014 | 5 | 3 |
| 2015 | 6 | 3 |
| 2016 | 1 | 3 |
| 2017 | 2 | 4 |
| 2018 | 1 | 6 |
| 2019 | 4 | 4 |
| 2020 | 2 | 6 |
| 2021 | 6 | 10 |
| 2022 | 4 | 6 |
| 2023 | 5 | 2 |
| 2024 | 7 | 10 |
| 2025 | 2 | 6 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- High throughput moving panel direct air capture system13 Jan 2026US 12,521,676 B2Zero Carbon Systems, Inc.
- Dehumidifier and dehumidification system4 Feb 2025US 12,214,312 B2Honeywell Analytics Limited
- Device for purifying a process fluid and dehumidifying plant including such a device14 Jan 2025US 12,194,406 B2Piovan S.P.A.
- CO2 scrubber with moving bed structure17 Dec 2024US 12,168,197 B2Carrier Corporation
- Method for removing moisture at high efficiency by membrane-based carbon dioxide capture system and apparatus therefor1 Oct 2026US 2026/0295516 A1Hyundai Motor Company
- Receptacle for a refillable dehumidifier24 Sep 2026US 2026/0284569 A1Gold Technic Pte. Ltd.
- Gas adsorption concentration apparatus27 Aug 2026US 2026/0249230 A1Shanghai Shencheng Environmental Protection Equipment & Engineering Co., Ltd.
- Smart Multistage VOCs Adsorption/Desorption Regeneration Apparatus and Control Method Thereof18 Jun 2026US 2026/0166466 A1EMSOLUTION CO., Ltd.
- Spoil-based lightweight porous backfill for purifying waste gas and wastewater and method of use thereof4 Jun 2026US 2026/0152416 A1China Construction Civil Engineering Co., Ltd.
Most cited
By later US patents
- Filter and method for removing mercury, bacteria, pathogens and other vapors from gas134US 4,917,862 A1990
- Sorbent system and method for absorbing carbon dioxide (CO2) from the atmosphere of a closed habitable environment129US 6,364,938 B1Hamilton Sundstrand Corporation · 2002
- Refillable gas adsorption bed assembly and counterflow adsorber module75US 5,290,345 ADonaldson Company, Inc. · 1994
- Warm air register filter and scent dispenser73US 5,240,487 AMetro-Pacific Holdings (Canada) Inc. · 1993
- Valve block and container for semiconductor source reagent dispensing and/or purification66US 4,738,693 AAdvanced Technology Materials, Inc. · 1988