B01D 2259/40026
With more than three sub-steps
Official title: with more than three sub-steps
B01D2259/40026 (With more than three sub-steps) appears on 5 US grants and 4 published applications in this corpus.
Search patents in B01D- Granted patents
- 5
- Published applications
- 4
- Assignees
- 5
- Inventors
- 17
- Latest grant
- 30 Jul 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Large scale pressure swing adsorption systems having process cycles operating in normal and turndown modes30 Jul 2013US 8,496,733 B2Praxair Technology, Inc.
- Ten bed pressure swing adsorption process operating in normal and turndown modes7 May 2013US 8,435,328 B2Praxair Technology, Inc.
- Pressure swing adsorption process for co-producing nitrogen and oxygen4 Mar 2003US 6,527,830 B1Praxair Technology, Inc.
- Very large-scale pressure swing adsorption processes3 Apr 2001US 6,210,466 B1Uop LLC
- Oxygen production process by pressure swing adsorption separation16 Nov 1999US 5,985,003 ANippon Sanso Corporation
- Portable pressure swing adsorption method and system for low flow rate gas processing22 Aug 2024US 2024/0278167 A1Coldstream Energy IP, LLC
- Ten bed pressure swing adsorption process operating in normal and turndown modes12 Jul 2012US 2012/0174775 A1Praxair Technology, Inc.
- Large scale pressure swing adsorption systems having process cycles operating in normal and turndown modes12 Jul 2012US 2012/0174777 A1Praxair Technology, Inc.
- Method of separating target gas8 Dec 2005US 2005/0268780 A1Sumitomo Seika Chemicals Co., Ltd.
Most cited
By later US patents
- Very large-scale pressure swing adsorption processes86US 6,210,466 B1Uop LLC · 2001
- Pressure swing adsorption process for co-producing nitrogen and oxygen25US 6,527,830 B1Praxair Technology, Inc. · 2003
- Oxygen production process by pressure swing adsorption separation5US 5,985,003 ANippon Sanso Corporation · 1999
- Ten bed pressure swing adsorption process operating in normal and turndown modes4US 8,435,328 B2Praxair Technology, Inc. · 2013
- Large scale pressure swing adsorption systems having process cycles operating in normal and turndown modes2US 8,496,733 B2Praxair Technology, Inc. · 2013