B01D 2259/40007
Controlling pressure or temperature swing adsorption
B01D2259/40007 (Controlling pressure or temperature swing adsorption) appears on 576 US grants and 492 published applications in this corpus.
Search patents in B01D- Granted patents
- 576
- Published applications
- 492
- Assignees
- 327
- Inventors
- 1,333
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 13 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 19 | 0 |
| 2000 | 23 | 0 |
| 2001 | 14 | 5 |
| 2002 | 17 | 17 |
| 2003 | 19 | 11 |
| 2004 | 19 | 18 |
| 2005 | 15 | 29 |
| 2006 | 14 | 29 |
| 2007 | 9 | 14 |
| 2008 | 21 | 13 |
| 2009 | 10 | 20 |
| 2010 | 22 | 11 |
| 2011 | 16 | 13 |
| 2012 | 9 | 8 |
| 2013 | 8 | 11 |
| 2014 | 7 | 10 |
| 2015 | 16 | 14 |
| 2016 | 10 | 31 |
| 2017 | 17 | 9 |
| 2018 | 21 | 22 |
| 2019 | 15 | 25 |
| 2020 | 25 | 20 |
| 2021 | 18 | 23 |
| 2022 | 21 | 29 |
| 2023 | 9 | 32 |
| 2024 | 20 | 19 |
| 2025 | 15 | 36 |
| 2026 | 11 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Atmospheric steam desorption for direct air capture18 Aug 2026US 12,708,870 B2Climeworks AG
- Carbon dioxide recovery system23 Jun 2026US 12,661,612 B2Denso Corporation
- Processes and apparatuses for reducing molecular weight fluctuation in a tail gas stream from a pressure swing adsorption process26 May 2026US 12,636,607 B2Uop LLC
- Method and system for operating an adsorption-based system for removing water from a process stream19 May 2026US 12,629,629 B2Shell USA, Inc.
- Temperature-based monitor and control of a compressed-gas dryer12 May 2026US 12,623,178 B2Atlas Copco Airpower, Naamloze Vennootschap
- Dac apparatus1 Oct 2026US 2026/0295504 A1Honda Motor Co., Ltd.
- Atmospheric steam desorption for direct air capture1 Oct 2026US 2026/0295505 A1Climeworks AG
- Carbon dioxide recovery apparatus24 Sep 2026US 2026/0284573 A1Honda Motor Co., Ltd.
- Apparatus for recovering carbon dioxide17 Sep 2026US 2026/0273451 A1Niterra Co., Ltd.
- Gas separation apparatus, method for managing gas separation apparatus, gas separation method, and method for producing purified gas20 Aug 2026US 2026/0241325 A1Asahi Kasei Kabushiki Kaisha
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
- Flow regulated pressure swing adsorption system153US 6,063,161 ASoFinoy Societte Financiere d'Innovation Inc. · 2000