F25J 3/065
Separation of cnhm with 4 carbon atoms or more
Official title: {separation of CnHm with 4 carbon atoms or more}
F25J3/065 (Separation of cnhm with 4 carbon atoms or more) appears on 32 US grants and 30 published applications in this corpus.
Search patents in F25J- Granted patents
- 32
- Published applications
- 30
- Assignees
- 24
- Inventors
- 85
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 4 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 0 | 3 |
| 2023 | 4 | 3 |
| 2024 | 2 | 3 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Removing heavy hydrocarbons to prevent defrost shutdowns in LNG plants31 Mar 2026US 12,590,759 B2Cheniere Energy, Inc.
- Dehydrogenation separation unit with mixed refrigerant cooling17 Sep 2024US 12,092,392 B2Chart Energy & Chemicals, Inc.
- System and method for treating associated gas2 Jul 2024US 12,025,373 B2
- Removing heavy hydrocarbons to prevent defrost shutdowns in LNG plants7 Nov 2023US 11,808,517 B2Cheniere Energy, Inc.
- Dehydrogenation separation unit with mixed refrigerant cooling18 Apr 2023US 11,629,912 B2Chart Energy & Chemicals, Inc.
- Method and installation for the production of a liquefied cryogenic fluid9 Apr 2026US 2026/0098682 A1L'Air Liquide, Société Anonyme pour |'Etude et |'Exploitation des Procédés Georges Claude
- Methods of butane delivery13 Mar 2025US 2025/0083088 A1Texon Midstream, LLC
- Dehydration Separation Unit with Mixed Refrigerant Cooling12 Dec 2024US 2024/0410647 A1Chart Energy & Chemicals, Inc.
- System and method for treating associated gas21 Nov 2024US 2024/0384929 A1Gtuit, LLC
- Removing heavy hydrocarbons to prevent defrost shutdowns in lng plants11 Jan 2024US 2024/0011707 A1Cheniere Energy, Inc.
Most cited
By later US patents
- Removal of carbon dioxide from a feed stream by carbon dioxide solids separation89US 5,819,555 A1998
- Low energy process for separating carbon dioxide and acid gases from a carbonaceous off-gas45US 4,449,994 AAir Products and Chemicals, Inc. · 1984
- Method of and apparatus for the cooling of natural gas43US 4,359,871 ALinde Aktiengesellschaft · 1982
- Method and apparatus for separating C.sub.4 hydrocarbons from a gaseous mixture34US 5,329,774 ALiquid Air Engineering Corporation · 1994
- Process of manufacturing pressurized liquid natural gas containing heavy hydrocarbons32US 6,539,747 B2ExxonMobil Upstream Research Company · 2003