B01D 2259/40049
With more than three sub-steps
Official title: with more than three sub-steps
B01D2259/40049 (With more than three sub-steps) appears on 9 US grants and 9 published applications in this corpus.
Search patents in B01D- Granted patents
- 9
- Published applications
- 9
- Assignees
- 11
- Inventors
- 34
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing oxygen via O2 VSA, minimizing valve openings and closings21 Nov 2023US 11,819,796 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Intensified pressure swing adsorption system and process cycles21 Feb 2023US 11,583,798 B2Praxair Technology, Inc.
- Temperature-vacuum swing adsorption process for capture of CO219 Oct 2021US 11,148,092 B2University of South Carolina
- Methods for separating ozone28 Aug 2018US 10,058,815 B2Linde Aktiengesellschaft
- Method for processing fischer-tropsch off-gas20 Jun 2017US 9,682,342 B2Shell Oil Company
- Portable pressure swing adsorption method and system for low flow rate gas processing22 Aug 2024US 2024/0278167 A1Coldstream Energy IP, LLC
- Intensified pressure swing adsorption system and process cycles24 Jun 2021US 2021/0187432 A1Praxair Technology, Inc.
- Method for producing oxygen via o2 vsa, minimizing valve openings and closings11 Feb 2021US 2021/0039039 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- Temperature-Vacuum Swing Adsorption Process for Capture of CO22 Jan 2020US 2020/0001225 A1University of South Carolina
- Methods for separating ozone8 Mar 2018US 2018/0065079 A1Linde Aktiengesellschaft
Most cited
By later US patents
- Very large-scale pressure swing adsorption processes86US 6,210,466 B1Uop LLC · 2001
- Methods of removing contaminants from hydrocarbon stream by swing adsorption and related apparatus and systems53US 9,034,079 B2ExxonMobil Upstream Research Company · 2015
- Two phase pressure swing adsorption process17US 6,045,603 AThe BOC Group, Inc. · 2000
- Intensified pressure swing adsorption system and process cycles12US 11,583,798 B2Praxair Technology, Inc. · 2023
- Process for gas separations using zeolite SSZ-135US 9,610,534 B1Chevron U.S.A.Inc. · 2017