F25J 2210/12
Refinery or petrochemical off-gas
F25J2210/12 (Refinery or petrochemical off-gas) appears on 339 US grants and 226 published applications in this corpus.
Search patents in F25J- Granted patents
- 339
- Published applications
- 226
- Assignees
- 128
- Inventors
- 559
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 14 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 3 |
| 2002 | 12 | 10 |
| 2003 | 7 | 6 |
| 2004 | 4 | 5 |
| 2005 | 2 | 5 |
| 2006 | 5 | 11 |
| 2007 | 7 | 5 |
| 2008 | 7 | 9 |
| 2009 | 4 | 5 |
| 2010 | 1 | 11 |
| 2011 | 3 | 7 |
| 2012 | 6 | 9 |
| 2013 | 3 | 4 |
| 2014 | 3 | 2 |
| 2015 | 4 | 10 |
| 2016 | 9 | 10 |
| 2017 | 5 | 11 |
| 2018 | 3 | 20 |
| 2019 | 14 | 22 |
| 2020 | 12 | 13 |
| 2021 | 14 | 19 |
| 2022 | 18 | 9 |
| 2023 | 12 | 8 |
| 2024 | 4 | 8 |
| 2025 | 4 | 2 |
| 2026 | 8 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Ethane separation with overhead cryogenic heat exchanger28 Apr 2026US 12,613,065 B2Uop LLC
- 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.
- Simultaneous carbon dioxide and hydrogen recovery from the tail gas stream of a sulfur recovery unit19 Feb 2026US 2026/0048362 A1Saudi Arabian Oil Company
- Method for converting carbon dioxide into sng or lng and storing hydrogen28 Aug 2025US 2025/0270722 A1Saipem S.P.A.
- Processes for recovery of one or more of c2, c3, or c4 olefins from a product stream of olefin production reactor systems26 Jun 2025US 2025/0207853 A1Dow Global Technologies LLC
- Dehydration Separation Unit with Mixed Refrigerant Cooling12 Dec 2024US 2024/0410647 A1Chart Energy & Chemicals, Inc.
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
- Hydrocarbon gas processing134US 5,568,737 AElcor Corporation · 1996
- Hydrocarbon gas processing122US 6,182,469 B2Elcor Corporation · 2001
- Hydrocarbon gas processing100US 5,771,712 AElcor Corporation · 1998
- Hydrocarbon gas processing99US 4,889,545 AElcor Corporation · 1989