F25J 5/002
Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
Official title: {for continuously recuperating cold, i.e. in a so-called recuperative heat exchanger}
F25J5/002 (Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants) appears on 273 US grants and 249 published applications in this corpus.
Search patents in F25J- Granted patents
- 273
- Published applications
- 249
- Assignees
- 98
- Inventors
- 533
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 3 |
| 2002 | 9 | 6 |
| 2003 | 6 | 5 |
| 2004 | 6 | 7 |
| 2005 | 3 | 3 |
| 2006 | 3 | 6 |
| 2007 | 6 | 6 |
| 2008 | 3 | 10 |
| 2009 | 4 | 6 |
| 2010 | 3 | 27 |
| 2011 | 4 | 4 |
| 2012 | 6 | 8 |
| 2013 | 6 | 13 |
| 2014 | 4 | 7 |
| 2015 | 6 | 17 |
| 2016 | 6 | 9 |
| 2017 | 9 | 6 |
| 2018 | 9 | 16 |
| 2019 | 15 | 26 |
| 2020 | 1 | 15 |
| 2021 | 9 | 16 |
| 2022 | 24 | 17 |
| 2023 | 8 | 9 |
| 2024 | 10 | 3 |
| 2025 | 8 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Controllable injection for implementing different local refrigerant distribution6 Oct 2026US 12,753,975 B2Linde Aktiengesellschaft
- Wound heat exchanger and method19 May 2026US 12,631,399 B2Linde Aktiengesellschaft
- Sinusoidal corrugated tube-type spiral wounded heat exchanger suitable for FLNG2 Dec 2025US 12,487,033 B2China University of Petroleum (East China)
- Cooling device23 Sep 2025US 12,422,186 B2Kobe Steel, Ltd.
- Heat exchanger and separation apparatus comprising a heat exchanger2 Sep 2025US 12,405,054 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Coil wound heat exchanger6 Aug 2026US 2026/0227122 A1Honeywell Lng LLC
- Method for cryogenic separation of air, and air separation plant16 Jul 2026US 2026/0202125 A1Linde Aktiengesellschaft
- Heat exchanger5 Feb 2026US 2026/0036366 A1Taiyo Nippon Sanso Corporation
- Titanium or titanium alloy heat exchanger1 May 2025US 2025/0137731 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Hydrogen liquefaction device and hydrogen liquefaction method19 Sep 2024US 2024/0310115 A1H2CREO Corp.
Most cited
By later US patents
- Apparatus for the liquefaction of natural gas and methods relating to same62US 7,219,512 B1Battelle Energy Alliance, LLC · 2007
- Heat exchanger for a fast cooldown cryostat57US 4,781,033 AAPD Cryogenics, Inc. · 1988
- Distillation process using microchannel technology56US 7,610,775 B2Velocys, Inc. · 2009
- Process for cooling a product in a heat exchanger employing microchannels55US 7,000,427 B2Velocys, Inc. · 2006
- Distillation process using microchannel technology54US 7,305,850 B2Velocys, Inc. · 2007