F25J 2205/64
By pressure-swing adsorption [psa] at the hot end
Official title: by pressure-swing adsorption [PSA] at the hot end
F25J2205/64 (By pressure-swing adsorption [psa] at the hot end) appears on 71 US grants and 88 published applications in this corpus.
Search patents in F25J- Granted patents
- 71
- Published applications
- 88
- Assignees
- 37
- Inventors
- 242
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 3 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 3 | 3 |
| 2017 | 1 | 10 |
| 2018 | 4 | 5 |
| 2019 | 5 | 6 |
| 2020 | 7 | 6 |
| 2021 | 8 | 12 |
| 2022 | 1 | 3 |
| 2023 | 5 | 6 |
| 2024 | 2 | 13 |
| 2025 | 5 | 5 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for separating a gas mixture25 Aug 2026US 12,714,965 B2Linde Aktiengesellschaft
- Process and apparatus for separating a mixture of hydrogen and carbon dioxide19 May 2026US 12,629,630 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Separation of hydrogen, methane, ethane, and propane in naphtha to ethane and propane fractionation section based on a dividing wall fractionation column integration12 May 2026US 12,623,980 B2Uop LLC
- Method and arrangement for separating carbon dioxide from a feed stream containing carbon dioxide28 Apr 2026US 12,611,626 B2Linde Aktiengesellschaft
- Enhanced hydrogen recovery utilizing gas separation membranes integrated with pressure swing adsorption unit and/or cryogenic separation system31 Mar 2026US 12,589,994 B2Lummus Technology Inc.
- Process and apparatus for purifying air and cryogenic air separation process and plant20 Aug 2026US 2026/0243508 A1
- Method and apparatus for venting a gas6 Aug 2026US 2026/0225038 A1L'Air Liquide Societe Anonyme Pour L'Etude Et L'Etude Et L'Exploitation Des Procedes Georges Claude
- Process and apparatus for removing co2 from a gasification syngas16 Jul 2026US 2026/0200728 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for drying and purifying a fluid containing carbon dioxide and water11 Jun 2026US 2026/0158440 A1L'Air Liquide, Société Anonyme pour I'Etude et I'Exploitaion des Procédés Georges Claude
- Low-temperature distillation method for capturing carbon dioxide11 Jun 2026US 2026/0160489 A1Shihezi University
Most cited
By later US patents
- Process and apparatus for purifying air to be distilled by adsorption75US 5,137,548 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1992
- Air purification process72US 5,914,455 AThe BOC Group, Inc. · 1999
- Process and apparatus for producing hydrogen and carbon monoxide62US 8,808,425 B2Air Products and Chemicals, Inc. · 2014
- Method for operation of an air prepurifier which takes into account inlet air conditions54US 5,989,313 APraxair Technology, Inc. · 1999
- Purification of gases using solid adsorbents44US 5,614,000 AAir Products and Chemicals, Inc. · 1997