B01D 2259/40024
With three sub-steps
Official title: with three sub-steps
B01D2259/40024 (With three sub-steps) appears on 19 US grants and 15 published applications in this corpus.
Search patents in B01D- Granted patents
- 19
- Published applications
- 15
- Assignees
- 8
- Inventors
- 47
- Latest grant
- 16 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 3 |
| 2007 | 3 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Portable pressure swing adsorption method and system for fuel gas conditioning16 Jan 2024US 11,872,518 B2Coldstream Energy IP, LLC
- Portable pressure swing adsorption method and system for fuel gas conditioning14 Feb 2023US 11,577,191 B1Coldstream Energy IP, LLC
- Mid-range purity oxygen by adsorption13 Oct 2020US 10,799,827 B2Praxair Technology, Inc.
- Methods and systems for helium recovery18 Sep 2012US 8,268,047 B2Praxair Technology, Inc.
- Methods and systems for helium recovery24 Aug 2010US 7,780,764 B2Praxair Technology, Inc.
- Portable pressure swing adsorption method and system for fuel gas conditioning30 Mar 2023US 2023/0101201 A1Coldstream Energy IP, LLC
- Portable pressure swing adsorption method and system for fuel gas conditioning16 Mar 2023US 2023/0082278 A1Coldstream Energy IP, LLC
- Mid-range purity oxygen by adsorption11 Oct 2018US 2018/0290099 A1Praxair Technology, Inc.
- Process for Producing Hydrogen with Various Levels of Purity by H2 PSA11 Jun 2015US 2015/0158726 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Methods and systems for helium recovery7 Oct 2010US 2010/0251892 A1Praxair Technology, Inc.
Most cited
By later US patents
- Layered manifold pressure swing adsorption device and method106US 6,565,635 B2QuestAir Technologies Inc. · 2003
- PSA process and system91US 6,007,606 APraxair Technology, Inc. · 1999
- Pressure swing adsorption process for the production of hydrogen84US 6,503,299 B2Praxair Technology, Inc. · 2003
- Indexing rotary dual valve for pressure swing adsorption systems70US 7,276,107 B2Praxair Technology, Inc. · 2007
- Pressure swing adsorption process for the production of hydrogen66US 6,340,382 B12002