B01D 53/0473
Rapid pressure swing adsorption
Official title: {Rapid pressure swing adsorption}
B01D53/0473 (Rapid pressure swing adsorption) appears on 217 US grants and 152 published applications in this corpus.
Search patents in B01D- Granted patents
- 217
- Published applications
- 152
- Assignees
- 70
- Inventors
- 400
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 4 |
| 2003 | 8 | 5 |
| 2004 | 5 | 3 |
| 2005 | 3 | 4 |
| 2006 | 1 | 4 |
| 2007 | 2 | 1 |
| 2008 | 2 | 3 |
| 2009 | 2 | 4 |
| 2010 | 3 | 3 |
| 2011 | 2 | 6 |
| 2012 | 5 | 12 |
| 2013 | 5 | 6 |
| 2014 | 11 | 11 |
| 2015 | 12 | 4 |
| 2016 | 4 | 6 |
| 2017 | 7 | 13 |
| 2018 | 7 | 19 |
| 2019 | 15 | 13 |
| 2020 | 12 | 8 |
| 2021 | 7 | 5 |
| 2022 | 12 | 5 |
| 2023 | 4 | 7 |
| 2024 | 4 | 2 |
| 2025 | 3 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for drying a flow rich in carbon dioxide16 Jun 2026US 12,654,128 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Mechanical ventilator with non-invasive option31 Mar 2026US 12,589,213 B2Goldman Sephoric LLC
- Swing adsorption processes and systems for controlling product composition20 Jan 2026US 12,528,043 B2ExxonMobil Technology and Engineering Company
- Air separation processes using zeolite ITQ-5518 Nov 2025US 12,472,458 B2ExxonMobil Technology and Engineering Company
- Process and system for producing product15 Jul 2025US 12,359,134 B2Iogen Corporation
- Method and apparatus for drying a flow rich in carbon dioxide17 Sep 2026US 2026/0273459 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Plant and method for producing biomethane23 Oct 2025US 2025/0325938 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- Process and system for producing fuel2 Oct 2025US 2025/0304862 A1Iogen Corporation
- Oxygen concentrator system17 Jul 2025US 2025/0229043 A1Goldman Sephoric LLC
- Apparatus and system for swing adsorption processes18 Apr 2024US 2024/0123395 A1ExxonMobil Technology and Engineering Company
Most cited
By later US patents
- Portable oxygen concentration system and method of using the same310US 6,651,658 B1SeQual Technologies, Inc. · 2003
- Portable oxygen concentration system and method of using the same223US 6,691,702 B2SeQual Technologies, Inc. · 2004
- Rapid cycle pressure swing adsorption oxygen concentration method and apparatus193US 5,827,358 AImpact MST, Incorporation · 1998
- Portable oxygen concentration system and method of using the same182US 6,629,525 B2SeQual Technologies, Inc. · 2003
- Portable oxygen concentrator151US 6,520,176 B1L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2003