F25J 2205/80
Processes or apparatus using other separation and/or other processing means: using membrane
Official title: using membrane, i.e. including a permeation step
F25J2205/80 (Processes or apparatus using other separation and/or other processing means: using membrane) appears on 171 US grants and 169 published applications in this corpus.
Search patents in F25J- Granted patents
- 171
- Published applications
- 169
- Assignees
- 83
- Inventors
- 427
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 0 |
| 2002 | 2 | 1 |
| 2003 | 6 | 3 |
| 2004 | 3 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 6 |
| 2007 | 1 | 0 |
| 2008 | 3 | 2 |
| 2009 | 0 | 7 |
| 2010 | 0 | 7 |
| 2011 | 2 | 7 |
| 2012 | 6 | 15 |
| 2013 | 8 | 3 |
| 2014 | 5 | 3 |
| 2015 | 3 | 10 |
| 2016 | 3 | 6 |
| 2017 | 7 | 12 |
| 2018 | 7 | 9 |
| 2019 | 8 | 6 |
| 2020 | 3 | 13 |
| 2021 | 6 | 14 |
| 2022 | 9 | 4 |
| 2023 | 6 | 10 |
| 2024 | 7 | 11 |
| 2025 | 3 | 7 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Facility and method for producing biomethane with limited methane loss and limited CO2 emissions30 Jun 2026US 12,667,805 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- 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
- Method and arrangement for separating carbon dioxide from a feed stream containing carbon dioxide28 Apr 2026US 12,611,626 B2Linde Aktiengesellschaft
- Membrane capture of CO2 from refinery emissions7 Apr 2026US 12,594,523 B2Chevron U.S.A.Inc.
- 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.
- Method for liquefying carbon dioxide1 Oct 2026US 2026/0298531 A1
- Adsorption-membrane-distillation direct air capture systems and methods24 Sep 2026US 2026/0284587 A1Georgia Tech Research Corporation
- Method and plant for separation of carbon dioxide (co2)27 Aug 2026US 2026/0251390 A1Aker Carbon Capture Norway AS
- Membrane capture of co2 from refinery emissions13 Aug 2026US 2026/0233156 A1Chevron U.S.A.Inc.
- 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
Most cited
By later US patents
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator136US 5,979,440 ASeQual Technologies, Inc. · 1999
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator133US 6,698,423 B1SeQual Technologies, Inc. · 2004
- Process for the separation of landfill gas115US 4,681,612 AKoch Process Systems, Inc. · 1987
- Process for recovering hydrogen from a multi-component gas stream113US 4,654,063 AAir Products and Chemicals, Inc. · 1987
- Method for the recovery of low purity carbon dioxide104US 4,977,745 A1990