F25J 3/04109
Arrangements of compressors and /or their drivers
Official title: {Arrangements of compressors and /or their drivers (using work extraction by mechanical coupling of compression and cold expansion F25J3/04381)}
F25J3/04109 (Arrangements of compressors and /or their drivers) appears on 174 US grants and 153 published applications in this corpus.
Search patents in F25J- Granted patents
- 174
- Published applications
- 153
- Assignees
- 75
- Inventors
- 281
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 6 |
| 2002 | 8 | 4 |
| 2003 | 7 | 8 |
| 2004 | 4 | 10 |
| 2005 | 7 | 8 |
| 2006 | 6 | 11 |
| 2007 | 6 | 5 |
| 2008 | 0 | 5 |
| 2009 | 4 | 6 |
| 2010 | 0 | 5 |
| 2011 | 5 | 3 |
| 2012 | 2 | 6 |
| 2013 | 1 | 6 |
| 2014 | 3 | 4 |
| 2015 | 2 | 7 |
| 2016 | 3 | 10 |
| 2017 | 4 | 8 |
| 2018 | 2 | 12 |
| 2019 | 8 | 9 |
| 2020 | 12 | 6 |
| 2021 | 6 | 4 |
| 2022 | 0 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for cryogenic fractionation of air, air fractionation plant and integrated system composed of at least two air fractionation plants30 Dec 2025US 12,510,294 B2Linde Aktiengesellschaft
- Apparatus and method for separation of air by cryogenic distillation31 Dec 2024US 12,181,217 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System and method for recovery of nitrogen, argon, and oxygen in moderate pressure cryogenic air separation unit19 Mar 2024US 11,933,538 B2Praxair Technology, Inc.
- Energy-efficient process for preparing nitrogen and oxygen for glass melting furnace18 Apr 2023US 11,629,914 B2Hangzhou Turning Energy Technology Development Co., Ltd.
- Method and device for producing air product based on cryogenic rectification14 Feb 2023US 11,578,916 B2L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georqes Claude
- Cryogenic air separation enhanced gas turbine21 May 2026US 2026/0139621 A1Rtx Corporation
- Multimodal microgrid system2 Apr 2026US 2026/0095051 A1Linkville Land Holdings LLC
- Liquid nitrogen generator and process30 Oct 2025US 2025/0334332 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and device for separating air by cryogenic distillation27 Feb 2025US 2025/0067507 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cryogenic air separation enhanced gas turbine26 Dec 2024US 2024/0426242 A1Raytheon Technologies Corporation
Most cited
By later US patents
- Hydrocarbon combustion power generation system with CO2 sequestration337US 6,389,814 B1Clean Energy Systems, Inc. · 2002
- Power plant with carbon dioxide capture and zero pollutant emissions254US 5,724,805 AUniversity of Massachusetts Lowell · 1998
- Hydrocarbon combustion power generation system with CO2 sequestration216US 7,043,920 B2Clean Energy Systems, Inc. · 2006
- Hydrocarbon combustion power generation system with CO2 sequestration209US 6,170,264 B2Clean Energy Systems, Inc. · 2001
- Solid-fueled power generation system with carbon dioxide sequestration and method therefor203US 6,148,602 ANorther Research & Engineering Corporation · 2000