F25J 2230/24
Multiple compressors or compressor stages in parallel
F25J2230/24 (Multiple compressors or compressor stages in parallel) appears on 72 US grants and 108 published applications in this corpus.
Search patents in F25J- Granted patents
- 72
- Published applications
- 108
- Assignees
- 47
- Inventors
- 190
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 3 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 5 |
| 2012 | 0 | 8 |
| 2013 | 1 | 6 |
| 2014 | 3 | 7 |
| 2015 | 3 | 5 |
| 2016 | 1 | 12 |
| 2017 | 10 | 3 |
| 2018 | 4 | 5 |
| 2019 | 7 | 7 |
| 2020 | 7 | 5 |
| 2021 | 1 | 5 |
| 2022 | 0 | 7 |
| 2023 | 0 | 8 |
| 2024 | 5 | 7 |
| 2025 | 1 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dynamic rate limiter for load sharing application24 Feb 2026US 12,560,379 B2Saudi Arabian Oil Company
- Method for separating hydrogen and nitrogen from cracked ammonia17 Feb 2026US 12,552,668 B2L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Claude Georges
- Method of hydrogen liquefaction using optimized claude refrigeration cycles6 Jan 2026US 12,516,877 B2Evergreen Cryogenics Inc.
- Open loop liquefaction process with NGL recovery22 Jul 2025US 12,366,408 B2Honeywell Lng LLC
- System and method to produce liquefied natural gas using a three pinion integral gear machine22 Oct 2024US 12,123,646 B2Praxair Technology, Inc.
- Method for supplying gaseous nitrogen and liquefying nitrogen8 Oct 2026US 2026/0309410 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Carbon dioxide recovery system and carbon dioxide recovery method18 Jun 2026US 2026/0166471 A1Mitsubishi Heavy Industries, Ltd.
- Air separation method and plant18 Dec 2025US 2025/0383144 A1Linde Aktiengesellschaft
- Liquid nitrogen generator and process30 Oct 2025US 2025/0334332 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Processes and systems for monitoring and controlling refrigeration energy comsumption4 Sep 2025US 2025/0277618 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Air separation process and system with gas turbine drivers97US 6,345,493 B1Air Products and Chemicals, Inc. · 2002
- Process for separating hydrocarbon gas constituents96US 4,687,499 AMcDermott International, Inc. · 1987
- Turbine/motor (generator) driven booster compressor74US 5,924,307 APraxair Technology, Inc. · 1999
- Combined installation of a metal production unit and a unit for the separation of air gas31US 5,538,534 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1996
- Nitrogen production method24US 4,617,037 ANippon Sanso Corporation · 1986