B01D 2259/40079
Co-current
B01D2259/40079 (Co-current) appears on 105 US grants and 35 published applications in this corpus.
Search patents in B01D- Granted patents
- 105
- Published applications
- 35
- Assignees
- 44
- Inventors
- 205
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 3 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 2 | 4 |
| 2020 | 1 | 3 |
| 2021 | 5 | 3 |
| 2022 | 1 | 4 |
| 2023 | 3 | 1 |
| 2024 | 3 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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 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
- Apparatus and system for swing adsorption processes24 Dec 2024US 12,172,122 B2ExxonMobil Technology and Engineering Company
- Three-product pressure swing adsorption system16 Jul 2024US 12,036,505 B2Uop LLC
- Apparatus and system for swing adsorption processes2 Jan 2024US 11,857,913 B2ExxonMobil Technology and Engineering Company
- Processes and apparatuses for reducing molecular weight fluctuation in a tail gas stream from a pressure swing adsorption process19 Jun 2025US 2025/0196053 A1Uop LLC
- Three-product pressure swing adsorption system12 Sep 2024US 2024/0299875 A1Uop LLC
- Apparatus and system for swing adsorption processes18 Apr 2024US 2024/0123395 A1ExxonMobil Technology and Engineering Company
- Method for regulating a unit for separating a gas stream25 May 2023US 2023/0158444 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Three-product pressure swing adsorption system29 Sep 2022US 2022/0305427 A1Uop LLC
Most cited
By later US patents
- Flow regulated pressure swing adsorption system153US 6,063,161 ASoFinoy Societte Financiere d'Innovation Inc. · 2000
- Recovery of methane from land fill gas136US 4,770,676 AAir Products and Chemicals, Inc. · 1988
- Hydrogen and carbon monoxide production by hydrocarbon steam reforming and pressure swing adsorption purification92US 5,096,470 AThe BOC Group, Inc. · 1992
- PSA process and system91US 6,007,606 APraxair Technology, Inc. · 1999
- Process and apparatus for dehumidification and VOC odor remediation89US 5,667,560 AUop LLC · 1997