B01D 2259/40066
Six
B01D2259/40066 (Six) appears on 113 US grants and 35 published applications in this corpus.
Search patents in B01D- Granted patents
- 113
- Published applications
- 35
- Assignees
- 50
- Inventors
- 210
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 3 |
| 2004 | 3 | 2 |
| 2005 | 3 | 5 |
| 2006 | 3 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 4 |
| 2009 | 2 | 3 |
| 2010 | 6 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Temperature-swing adsoroption process31 May 2022US 11,344,838 B2Casale SA
- System and method for gas quality and efficiency of a pressure swing adsorption gas separation unit22 Sep 2020US 10,780,387 B1Arc Technologies, Inc.
- Staged complementary PSA system for low energy fractionation of mixed fluid4 Dec 2018US 10,143,960 B2ExxonMobil Research and Engineering Company
- Swing adsorption processes and systems for controlling product composition9 Nov 2023US 2023/0356140 A1ExxonMobil Technology and Engineering Company
- Co2 removal from hydrocarbon containing feed using zeolite itq-5515 Jun 2023US 2023/0182064 A1
- Air separation processes using zeolite itq-5515 Jun 2023US 2023/0182066 A1ExxonMobil Technology and Engineering Company
- Dehydration using biosorbents in modified pressure swing adsorption15 Jul 2021US 2021/0213384 A1University of Saskatchewan
- A temperature-swing adsoroption process24 Sep 2020US 2020/0298171 A1Casale SA
Most cited
By later US patents
- Methods and apparatuses for gas separation by pressure swing adsorption with partial gas product feed to fuel cell power source139US 6,866,950 B2QuestAir Technologies Inc. · 2005
- Hydrogen purification by selective adsorption111US 4,077,779 AAir Products and Chemicals, Inc. · 1978
- Portable gas fractionalization system107US 7,066,985 B2Inogen, Inc. · 2006
- Optimal pressure swing adsorption refluxing96US 5,565,018 APraxair Technology, Inc. · 1996
- Purge effluent repressurized adsorption process80US 5,354,346 AAir Products and Chemicals, Inc. · 1994