F25J 2215/00
Processes characterised by the type or other details of the product stream
F25J2215/00 (Processes characterised by the type or other details of the product stream) appears on 1,279 US grants and 1,222 published applications in this corpus.
Search patents in F25J- Granted patents
- 1,279
- Published applications
- 1,222
- Assignees
- 431
- Inventors
- 2,176
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 12 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 9 | 0 |
| 1983 | 6 | 0 |
| 1984 | 11 | 0 |
| 1985 | 7 | 0 |
| 1986 | 11 | 0 |
| 1987 | 18 | 0 |
| 1988 | 22 | 0 |
| 1989 | 13 | 0 |
| 1990 | 20 | 0 |
| 1991 | 13 | 0 |
| 1992 | 20 | 0 |
| 1993 | 18 | 0 |
| 1994 | 27 | 0 |
| 1995 | 30 | 0 |
| 1996 | 29 | 0 |
| 1997 | 47 | 0 |
| 1998 | 30 | 0 |
| 1999 | 48 | 0 |
| 2000 | 37 | 0 |
| 2001 | 38 | 7 |
| 2002 | 33 | 21 |
| 2003 | 31 | 24 |
| 2004 | 16 | 26 |
| 2005 | 12 | 27 |
| 2006 | 16 | 29 |
| 2007 | 21 | 27 |
| 2008 | 14 | 34 |
| 2009 | 16 | 45 |
| 2010 | 9 | 46 |
| 2011 | 11 | 52 |
| 2012 | 17 | 47 |
| 2013 | 22 | 41 |
| 2014 | 23 | 41 |
| 2015 | 26 | 47 |
| 2016 | 32 | 50 |
| 2017 | 38 | 75 |
| 2018 | 43 | 73 |
| 2019 | 61 | 80 |
| 2020 | 55 | 67 |
| 2021 | 48 | 71 |
| 2022 | 44 | 63 |
| 2023 | 58 | 72 |
| 2024 | 47 | 70 |
| 2025 | 41 | 50 |
| 2026 | 38 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25J 2215/04Recovery of liquid productsIndexing code322
- F25J 2215/62Ethane or ethyleneIndexing code285
- F25J 2215/50Oxygen or special casesIndexing code228
- F25J 2215/42Nitrogen or special casesIndexing code168
- F25J 2215/02Mixing or blending of fluids to yield a certain productIndexing code147
- F25J 2215/64Propane or propyleneIndexing code135
- F25J 2215/60MethaneIndexing code93
- F25J 2215/40Air or oxygen enriched air, i.e. generally less than 30mol% of o2Indexing code73
All 19 subgroupsShow fewer
- F25J 2215/80Carbon dioxideIndexing code70
- F25J 2215/66Butane or mixed butanesIndexing code60
- F25J 2215/36XenonIndexing code57
- F25J 2215/30HeliumIndexing code52
- F25J 2215/58ArgonIndexing code52
- F25J 2215/10HydrogenIndexing code43
- F25J 2215/32NeonIndexing code39
- F25J 2215/34KryptonIndexing code34
- F25J 2215/14Carbon monoxideIndexing code7
- F25J 2215/20Ammonia synthesis gasIndexing code5
- F25J 2215/18Hyco synthesis gasIndexing code1
Recent patents
- System for transforming a product22 Sep 2026US 12,742,521 B2Eifhytec
- Dual temperature liquid oxygen subcooling in an air separation unit22 Sep 2026US 12,742,591 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cryo-collection systems and related methods and hyperpolarizer systems22 Sep 2026US 12,742,592 B2Polarean, Inc.
- System and method for co-production of a densified liquid oxygen product and densified liquid methane product15 Sep 2026US 12,736,280 B2Praxair Technology, Inc.
- Method and apparatus for cryogenic air separation8 Sep 2026US 12,729,907 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for liquefying carbon dioxide1 Oct 2026US 2026/0298531 A1
- Cryogenic process for helium recovery from low helium-containing gas stream24 Sep 2026US 2026/0287252 A1Council of Scientific and Industrial Research
- Cryogenic removal of carbon dioxide from the atmosphere17 Sep 2026US 2026/0276301 A1Microsoft Technology Licensing, LLC
- Method for cryogenic separation of air, and air separation plant10 Sep 2026US 2026/0266538 A1
- Method and plant for separation of carbon dioxide (co2)27 Aug 2026US 2026/0251390 A1Aker Carbon Capture Norway AS
Most cited
By later US patents
- Carbon dioxide recovery156US 4,762,543 AAmoco Corporation · 1988
- Maskless, microlens EUV lithography system148US 6,498,685 B12002
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- Method and apparatus for flue gas cleaning by separation and liquefaction of sulfur dioxide and carbon dioxide127US 5,133,190 A1992
- Process for recovering hydrogen from a multi-component gas stream113US 4,654,063 AAir Products and Chemicals, Inc. · 1987