F25J 2215/62
Ethane or ethylene
F25J2215/62 (Ethane or ethylene) appears on 285 US grants and 295 published applications in this corpus.
Search patents in F25J- Granted patents
- 285
- Published applications
- 295
- Assignees
- 130
- Inventors
- 537
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 3 |
| 2003 | 6 | 8 |
| 2004 | 4 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 10 |
| 2007 | 6 | 10 |
| 2008 | 3 | 10 |
| 2009 | 4 | 13 |
| 2010 | 4 | 13 |
| 2011 | 2 | 10 |
| 2012 | 7 | 8 |
| 2013 | 3 | 7 |
| 2014 | 4 | 14 |
| 2015 | 5 | 10 |
| 2016 | 9 | 21 |
| 2017 | 13 | 21 |
| 2018 | 10 | 17 |
| 2019 | 20 | 41 |
| 2020 | 20 | 15 |
| 2021 | 12 | 15 |
| 2022 | 22 | 7 |
| 2023 | 10 | 10 |
| 2024 | 6 | 13 |
| 2025 | 9 | 7 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream2 Jun 2026US 12,643,067 B2Enflex, Inc.
- Dehydrogenation and pyrolysis product recovery with a common refrigerant2 Jun 2026US 12,643,843 B2Uop LLC
- Separation of hydrogen, methane, ethane, and propane in naphtha to ethane and propane fractionation section based on a dividing wall fractionation column integration12 May 2026US 12,623,980 B2Uop LLC
- Configurations and methods for ngl recovery for high nitrogen content feed gases13 Aug 2026US 2026/0235354 A1Fluor Technologies Corporation
- Liquified natural gas processing cold box with internal refrigerant storage30 Apr 2026US 2026/0118052 A1
- Methods and configuration for retrofitting ngl plant for high ethane recovery30 Apr 2026US 2026/0118053 A1Fluor Technologies Corporation
- Utilizing liquefied natural gas for cryogenic cooling of cracked gas from a light hydrocarbon catalytic cracker5 Mar 2026US 2026/0062623 A1Chevron U.S.A.Inc.
- Dynamic control of reflux rate in hydrocarbon distillation12 Feb 2026US 2026/0043606 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Enhanced NGL recovery utilizing refrigeration and reflux from LNG plants112US 6,401,486 B12002
- Carbon dioxide absorption methanol process91US 4,861,360 AFlexivol, Inc. · 1989
- Integration of LNG regasification with refinery and power generation87US 8,316,665 B2Fluor Technologies Corporation · 2012
- Hydrocarbon gas processing77US 6,516,631 B12003
- Carbon dioxide absorption methanol process69US 4,675,035 A1987