F25J 2205/24
Processes or apparatus using other separation and/or other processing means: using regenerators
Official title: using regenerators, cold accumulators or reversible heat exchangers
F25J2205/24 (Processes or apparatus using other separation and/or other processing means: using regenerators) appears on 89 US grants and 88 published applications in this corpus.
Search patents in F25J- Granted patents
- 89
- Published applications
- 88
- Assignees
- 63
- Inventors
- 243
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 6 |
| 2012 | 1 | 6 |
| 2013 | 1 | 2 |
| 2014 | 2 | 7 |
| 2015 | 2 | 4 |
| 2016 | 2 | 4 |
| 2017 | 3 | 7 |
| 2018 | 5 | 3 |
| 2019 | 2 | 3 |
| 2020 | 1 | 7 |
| 2021 | 2 | 2 |
| 2022 | 3 | 7 |
| 2023 | 1 | 7 |
| 2024 | 7 | 4 |
| 2025 | 3 | 6 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid nitrogen energy storage system21 Apr 2026US 12,607,399 B2Praxair Technology, Inc.
- Carbon dioxide recovery device22 Jul 2025US 12,364,950 B2National University Corporation Tokai National Higher Education and Research System
- Method and plant for the production of ammonia with renewable energy22 Jul 2025US 12,365,595 B2Stamicarbon B. V.
- Heat-of-compression recycle system, and sub-systems thereof13 May 2025US 12,301,000 B2Highview Enterprises Limited
- Plant and process for energy storage12 Nov 2024US 12,140,052 B2Energy Dome S.P.A.
- Compressed carbon dioxide energy storage system and method combined with air separation technology25 Jun 2026US 2026/0176984 A1Xi' An Jiaotong University
- Method and apparatus for purifying gaseous products from a co2 electrolysis process13 Nov 2025US 2025/0346546 A1Siemens Energy Global GmbH & Co. KG
- Installation comprising lng and renewable electricity facilities with at least one thermal energy storage system13 Nov 2025US 2025/0347463 A1Totalenergies Onetech
- Carbon capture using cryogenic techniques21 Aug 2025US 2025/0262565 A1Technip Energies France
- Method and device for separating air by cryogenic distillation27 Feb 2025US 2025/0067507 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Air separation process and system utilizing pressure-swing driers95US 3,967,464 AAir Products and Chemicals, Inc. · 1976
- Incorporated cascade cooling cycle for liquefying a gas by regasifying liquefied natural gas48US 4,054,433 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1977
- Tonnage nitrogen generator38US 4,222,756 AAir Products and Chemicals, Inc. · 1980
- Method and system for extracting carbon dioxide by anti-sublimation at raised pressure37US 8,163,070 B22012
- Air separation process with single distillation column for combined gas turbine system35US 4,382,366 AAir Products and Chemicals, Inc. · 1983