F25J 2230/20
Integrated compressor and process expander
Official title: Integrated compressor and process expander; Gear box arrangement; Multiple compressors on a common shaft
F25J2230/20 (Integrated compressor and process expander) appears on 237 US grants and 326 published applications in this corpus.
Search patents in F25J- Granted patents
- 237
- Published applications
- 326
- Assignees
- 129
- Inventors
- 524
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 2 |
| 2002 | 8 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 5 |
| 2005 | 1 | 5 |
| 2006 | 4 | 6 |
| 2007 | 3 | 1 |
| 2008 | 3 | 8 |
| 2009 | 2 | 8 |
| 2010 | 3 | 11 |
| 2011 | 3 | 15 |
| 2012 | 3 | 14 |
| 2013 | 3 | 10 |
| 2014 | 6 | 10 |
| 2015 | 6 | 11 |
| 2016 | 7 | 21 |
| 2017 | 9 | 25 |
| 2018 | 7 | 25 |
| 2019 | 15 | 34 |
| 2020 | 22 | 11 |
| 2021 | 12 | 18 |
| 2022 | 20 | 21 |
| 2023 | 17 | 20 |
| 2024 | 11 | 13 |
| 2025 | 14 | 17 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for efficient hydrogen compression11 Aug 2026US 12,704,116 B2Nuovo Pignone Tecnologie Srl
- Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream2 Jun 2026US 12,643,067 B2Enflex, Inc.
- Device and method for liquefying a fluid such as hydrogen and/or helium14 Apr 2026US 12,601,539 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Nitrogen generating device and nitrogen generating method31 Mar 2026US 12,590,758 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Plant and method for producing hydrogen at cryogenic temperature10 Mar 2026US 12,571,584 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Turbomachine27 Aug 2026US 2026/0251078 A1Kawasaki Jukogyo Kabushiki Kaisha
- Fluid liquefaction method and device27 Aug 2026US 2026/0251384 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and plant for separation of carbon dioxide (co2)27 Aug 2026US 2026/0251390 A1Aker Carbon Capture Norway AS
- Cryogenic type boil-off gas reliquefaction system20 Aug 2026US 2026/0243505 A1Shanghai Marine Diesel Engine Research Institute
- Configurations and methods for ngl recovery for high nitrogen content feed gases13 Aug 2026US 2026/0235354 A1Fluor Technologies Corporation
Most cited
By later US patents
- Method and apparatus for flue gas cleaning by separation and liquefaction of sulfur dioxide and carbon dioxide127US 5,133,190 A1992
- Integrated air separation and oxygen fired power generation system127US 7,284,362 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2007
- LNG production in cryogenic natural gas processing plants108US 5,615,561 AWilliams Field Services Company · 1997
- Method for the recovery of low purity carbon dioxide104US 4,977,745 A1990
- Natural gas processing93US 4,061,481 AThe Ortloff Corporation · 1977