B01D 2259/4068
Using more than ten beds
Official title: using more than ten beds
B01D2259/4068 (Using more than ten beds) appears on 62 US grants and 44 published applications in this corpus.
Search patents in B01D- Granted patents
- 62
- Published applications
- 44
- Assignees
- 42
- Inventors
- 136
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 2 |
| 2002 | 6 | 6 |
| 2003 | 4 | 4 |
| 2004 | 1 | 0 |
| 2005 | 3 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 3 | 2 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 4 |
| 2019 | 2 | 5 |
| 2020 | 5 | 1 |
| 2021 | 3 | 3 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 4 | 1 |
| 2025 | 0 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for managing a fault in a pressure swing absorption gas treatment unit4 Aug 2026US 12,697,579 B2L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Claude Georges
- Pressure swing adsorption apparatus for high purity hydrogen purification from ammonia decomposition and hydrogen purification method using the same4 Aug 2026US 12,697,581 B2Korea Institute of Energy Research
- Structure with external support for particle adsorbent bed for adsorption gas separation process24 Feb 2026US 12,558,647 B2W. L. Gore & Associates, Inc.
- HVAC scrubber unit with building management system integration systems and methods11 Jun 2024US 12,007,129 B2Air Distribution Technologies IP, LLC
- Direct air capture device2 Apr 2024US 11,944,931 B2Climeworks AG
- Direct air capture device18 Dec 2025US 2025/0381511 A1Climeworks AG
- Pressure swing adsorption apparatus for high purity hydrogen purification from ammonia decomposition and hydrogen purification method using the same2 Jan 2025US 2025/0001352 A1Korea Institute of Energy Research
- Structure with external support for particle adsorbent bed for adsorption gas separation process4 Jan 2024US 2024/0001284 A1W. L. Gore & Associates, Inc.
- Direct air capture device28 Dec 2023US 2023/0415089 A1Climeworks AG
- Method for managing a fault in a pressure swing absorption gas treatment unit21 Dec 2023US 2023/0405514 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Rotary pressure swing adsorption apparatus181US 6,406,523 B1QuestAir Technologies Inc. · 2002
- Process for purifying a gas by adsorption of the impurities on several active carbons147US 6,402,813 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2002
- Multistage system for separating gas by adsorption121US 6,514,318 B2QuestAir Technologies Inc. · 2003
- Rotary valve assembly for pressure swing adsorption system118US 6,311,719 B1SeQual Technologies, Inc. · 2001
- Process for the separation/recovery of gases114US 6,179,900 B2GKSS-Forschungszentrum Geesthacht GmbH · 2001