F25J 2290/80
Retrofitting, revamping or debottlenecking of existing plant
F25J2290/80 (Retrofitting, revamping or debottlenecking of existing plant) appears on 93 US grants and 91 published applications in this corpus.
Search patents in F25J- Granted patents
- 93
- Published applications
- 91
- Assignees
- 51
- Inventors
- 148
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 1 | 3 |
| 2007 | 2 | 3 |
| 2008 | 1 | 4 |
| 2009 | 2 | 2 |
| 2010 | 2 | 2 |
| 2011 | 1 | 4 |
| 2012 | 1 | 4 |
| 2013 | 2 | 6 |
| 2014 | 2 | 3 |
| 2015 | 3 | 7 |
| 2016 | 6 | 3 |
| 2017 | 5 | 5 |
| 2018 | 3 | 7 |
| 2019 | 4 | 16 |
| 2020 | 7 | 4 |
| 2021 | 3 | 2 |
| 2022 | 12 | 1 |
| 2023 | 4 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and process for improved argon recovery8 Sep 2026US 12,729,908 B2Air Products and Chemicals, Inc.
- Configurations and methods for NGL recovery for high nitrogen content feed gases18 Feb 2025US 12,228,335 B2Fluor Technologies Corporation
- Methods and configuration for retrofitting NGL plant for high ethane recovery11 Feb 2025US 12,222,158 B2Fluor Technologies Corporation
- Methods and configuration for retrofitting NGL plant for high ethane recovery15 Aug 2023US 11,725,879 B2Fluor Technologies Corporation
- Process integration for natural gas liquid recovery9 May 2023US 11,644,235 B2Saudi Arabian Oil Company
- Method for separating nitrogen from lng13 Aug 2026US 2026/0235353 A1Linde Aktiengesellschaft
- Configurations and methods for ngl recovery for high nitrogen content feed gases13 Aug 2026US 2026/0235354 A1Fluor Technologies Corporation
- Methods and configuration for retrofitting ngl plant for high ethane recovery30 Apr 2026US 2026/0118053 A1Fluor Technologies Corporation
- Liquefaction of natural gas feeds containing hydrogen5 Mar 2026US 2026/0063359 A1Honeywell Lng LLC
- Apparatus and Process for Improved Argon Recovery9 Oct 2025US 2025/0314424 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Methanol plant retrofit for acetic acid manufacture208US 6,232,352 B1Acetex limited · 2001
- LNG production in cryogenic natural gas processing plants108US 5,615,561 AWilliams Field Services Company · 1997
- Hydrocarbon gas processing105US 5,890,378 AElcor Corporation · 1999
- Cryogenic separation of gaseous mixtures99US 4,900,347 AMobil Corporation · 1990
- Hydrocarbon gas separation process66US 5,890,377 AABB Randall Corporation · 1999