B01D 2259/40075
More than ten
B01D2259/40075 (More than ten) appears on 102 US grants and 72 published applications in this corpus.
Search patents in B01D- Granted patents
- 102
- Published applications
- 72
- Assignees
- 35
- Inventors
- 178
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 0 |
| 2003 | 6 | 6 |
| 2004 | 2 | 1 |
| 2005 | 0 | 4 |
| 2006 | 0 | 6 |
| 2007 | 3 | 5 |
| 2008 | 4 | 4 |
| 2009 | 3 | 2 |
| 2010 | 5 | 5 |
| 2011 | 5 | 2 |
| 2012 | 1 | 3 |
| 2013 | 7 | 3 |
| 2014 | 2 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 3 |
| 2020 | 2 | 4 |
| 2021 | 3 | 6 |
| 2022 | 2 | 3 |
| 2023 | 7 | 4 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Method for mobile pressure swing adsorption oxygen production device30 Dec 2025US 12,508,534 B2Chengdu Yingchen Technology Co., Ltd
- Method for regulating a unit for separating a gas stream15 Jul 2025US 12,357,939 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Three-product pressure swing adsorption system16 Jul 2024US 12,036,505 B2Uop LLC
- Portable pressure swing adsorption method and system for fuel gas conditioning16 Jan 2024US 11,872,518 B2Coldstream Energy IP, LLC
- 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
- Three-product pressure swing adsorption system12 Sep 2024US 2024/0299875 A1Uop LLC
- Portable pressure swing adsorption method and system for low flow rate gas processing22 Aug 2024US 2024/0278167 A1Coldstream Energy IP, LLC
- Method for Mobile Pressure Swing Adsorption Oxygen Production Device22 Feb 2024US 2024/0058744 A1Chengdu Yingchen Technology Co., Ltd
- High recovery process for purification of multicomponent gases26 Oct 2023US 2023/0338886 A1Praxair Technology, Inc.
Most cited
By later US patents
- Selective adsorption process139US 3,986,849 AUnion Carbide Corporation · 1976
- Life support oxygen concentrator126US 6,514,319 B2QuestAir Technologies Inc. · 2003
- Very large-scale pressure swing adsorption processes86US 6,210,466 B1Uop LLC · 2001
- Adsorbents for rapid cycle pressure swing adsorption processes83US 7,404,846 B2Air Products and Chemicals, Inc. · 2008
- Pressure swing adsorption product purity control method and apparatus81US 4,693,730 AUnion Carbide Corporation · 1987