F25J 3/0228
Characterised by the separated product stream
Official title: {characterised by the separated product stream}
F25J3/0228 (Characterised by the separated product stream) appears on 1,446 US grants and 1,429 published applications in this corpus.
Search patents in F25J- Granted patents
- 1,446
- Published applications
- 1,429
- Assignees
- 412
- Inventors
- 2,078
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 13 | 0 |
| 1978 | 13 | 0 |
| 1979 | 14 | 0 |
| 1980 | 13 | 0 |
| 1981 | 20 | 0 |
| 1982 | 19 | 0 |
| 1983 | 9 | 0 |
| 1984 | 27 | 0 |
| 1985 | 28 | 0 |
| 1986 | 21 | 0 |
| 1987 | 34 | 0 |
| 1988 | 31 | 0 |
| 1989 | 13 | 0 |
| 1990 | 19 | 0 |
| 1991 | 12 | 0 |
| 1992 | 12 | 0 |
| 1993 | 7 | 0 |
| 1994 | 17 | 0 |
| 1995 | 15 | 0 |
| 1996 | 21 | 0 |
| 1997 | 28 | 0 |
| 1998 | 24 | 0 |
| 1999 | 28 | 0 |
| 2000 | 28 | 0 |
| 2001 | 40 | 5 |
| 2002 | 22 | 27 |
| 2003 | 29 | 22 |
| 2004 | 18 | 30 |
| 2005 | 16 | 37 |
| 2006 | 21 | 42 |
| 2007 | 29 | 31 |
| 2008 | 23 | 60 |
| 2009 | 22 | 56 |
| 2010 | 17 | 74 |
| 2011 | 19 | 61 |
| 2012 | 28 | 75 |
| 2013 | 36 | 56 |
| 2014 | 34 | 50 |
| 2015 | 36 | 75 |
| 2016 | 42 | 64 |
| 2017 | 57 | 88 |
| 2018 | 68 | 74 |
| 2019 | 75 | 87 |
| 2020 | 58 | 70 |
| 2021 | 62 | 77 |
| 2022 | 51 | 65 |
| 2023 | 49 | 55 |
| 2024 | 44 | 54 |
| 2025 | 41 | 47 |
| 2026 | 32 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25J 3/0233Separation of cnhm with 1 carbon atom or more1,029
- F25J 3/0238Separation of cnhm with 2 carbon atoms or more641
- F25J 3/0242Separation of cnhm with 3 carbon atoms or more453
- F25J 3/0266Separation of carbon dioxide319
- F25J 3/0257Separation of nitrogen311
- F25J 3/0252Separation of hydrogen302
- F25J 3/0247Separation of cnhm with 4 carbon atoms or more177
- F25J 3/028Separation of noble gases153
Recent patents
- Method for generating refrigeration for a carbon monoxide cold box15 Sep 2026US 12,736,281 B2Praxair Technology, Inc.
- Integrated carbon sequestration and power generation system and methods of use1 Sep 2026US 12,723,540 B2Arbor Energy and Resources Corporation
- Method and system for producing a liquefied natural gas product18 Aug 2026US 12,710,225 B2Linde Aktiengesellschaft
- Process for treating a gas stream from plastic pyrolisis and/or biomass pyrolisis, and installation for integration into a steam cracker11 Aug 2026US 12,703,671 B2Technip Energies France
- Apparatus and process for removal of heavy hydrocarbons from a feed gas11 Aug 2026US 12,703,831 B2Honeywell Lng LLC
- Process for starting up a carbon capture process1 Oct 2026US 2026/0295494 A1L 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
- Systems and methods for efficient heavy hydrocarbons removal27 Aug 2026US 2026/0251389 A1ConocoPhillips Company
- 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
- Low pressure process for C.sub.3.sup.+ liquids recovery from process product gas213US 4,734,115 AAir Products and Chemicals, Inc. · 1988
- Methanol plant retrofit for acetic acid manufacture208US 6,232,352 B1Acetex limited · 2001
- Combustion method and apparatus for producing a carbon dioxide end product164US 6,202,574 B1ABB Alstom Power Inc. · 2001
- Carbon dioxide recovery156US 4,762,543 AAmoco Corporation · 1988
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000