F25J 2205/40
Processes or apparatus using other separation and/or other processing means: using hybrid
Official title: using hybrid system, i.e. combining cryogenic and non-cryogenic separation techniques
F25J2205/40 (Processes or apparatus using other separation and/or other processing means: using hybrid) appears on 315 US grants and 338 published applications in this corpus.
Search patents in F25J- Granted patents
- 315
- Published applications
- 338
- Assignees
- 132
- Inventors
- 720
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 0 |
| 2002 | 1 | 3 |
| 2003 | 5 | 7 |
| 2004 | 5 | 2 |
| 2005 | 3 | 8 |
| 2006 | 3 | 6 |
| 2007 | 3 | 1 |
| 2008 | 4 | 7 |
| 2009 | 0 | 12 |
| 2010 | 2 | 15 |
| 2011 | 6 | 16 |
| 2012 | 12 | 34 |
| 2013 | 17 | 11 |
| 2014 | 11 | 15 |
| 2015 | 11 | 11 |
| 2016 | 7 | 10 |
| 2017 | 11 | 15 |
| 2018 | 7 | 13 |
| 2019 | 13 | 29 |
| 2020 | 5 | 19 |
| 2021 | 15 | 22 |
| 2022 | 21 | 8 |
| 2023 | 12 | 24 |
| 2024 | 15 | 21 |
| 2025 | 13 | 12 |
| 2026 | 12 | 17 |
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
- 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
- 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
- Method for liquefying carbon dioxide1 Oct 2026US 2026/0298531 A1
- Co2 separation system1 Oct 2026US 2026/0298533 A1National Institute for Materials Science National Institute for Materials Science
- Cryogenic process for helium recovery from low helium-containing gas stream24 Sep 2026US 2026/0287252 A1Council of Scientific and Industrial Research
- Method and plant for separation of carbon dioxide (co2)27 Aug 2026US 2026/0251390 A1Aker Carbon Capture Norway AS
- 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
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