F25J 2205/04
In the feed line, i.e. upstream of the fractionation step
Official title: in the feed line, i.e. upstream of the fractionation step
F25J2205/04 (In the feed line, i.e. upstream of the fractionation step) appears on 760 US grants and 760 published applications in this corpus.
Search patents in F25J- Granted patents
- 760
- Published applications
- 760
- Assignees
- 232
- Inventors
- 1,085
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 17 | 0 |
| 1985 | 10 | 0 |
| 1986 | 14 | 0 |
| 1987 | 20 | 0 |
| 1988 | 17 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 11 | 0 |
| 1995 | 14 | 0 |
| 1996 | 7 | 0 |
| 1997 | 13 | 0 |
| 1998 | 8 | 0 |
| 1999 | 19 | 0 |
| 2000 | 15 | 0 |
| 2001 | 19 | 3 |
| 2002 | 10 | 11 |
| 2003 | 22 | 16 |
| 2004 | 8 | 22 |
| 2005 | 11 | 13 |
| 2006 | 9 | 17 |
| 2007 | 17 | 16 |
| 2008 | 9 | 32 |
| 2009 | 10 | 34 |
| 2010 | 10 | 46 |
| 2011 | 11 | 33 |
| 2012 | 13 | 42 |
| 2013 | 22 | 26 |
| 2014 | 17 | 26 |
| 2015 | 19 | 50 |
| 2016 | 22 | 39 |
| 2017 | 40 | 62 |
| 2018 | 48 | 40 |
| 2019 | 35 | 47 |
| 2020 | 29 | 36 |
| 2021 | 30 | 39 |
| 2022 | 29 | 26 |
| 2023 | 21 | 21 |
| 2024 | 21 | 29 |
| 2025 | 20 | 15 |
| 2026 | 16 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for generating refrigeration for a carbon monoxide cold box15 Sep 2026US 12,736,281 B2Praxair Technology, Inc.
- 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
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- Standalone high-pressure heavies removal unit for LNG processing26 May 2026US 12,638,236 B2ConocoPhillips Company
- Method and plant for separation of carbon dioxide (co2)27 Aug 2026US 2026/0251390 A1Aker Carbon Capture Norway AS
- Single Column Nitrogen Rejection Unit20 Aug 2026US 2026/0243507 A1Chart Energy & Chemicals, Inc.
- Configurations and methods for ngl recovery for high nitrogen content feed gases13 Aug 2026US 2026/0235354 A1Fluor Technologies Corporation
- Method and apparatus for liquefying and/or separating a mixture containing co230 Jul 2026US 2026/0217528 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and system for y-grade upgrader30 Jul 2026US 2026/0218980 A1Energy Transformed, 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
- Carbon dioxide recovery156US 4,762,543 AAmoco Corporation · 1988
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- Hydrocarbon gas processing136US 4,140,504 AThe Ortloff Corporation · 1979
- Hydrocarbon gas processing134US 5,568,737 AElcor Corporation · 1996