F25J 2240/42
The fluid being air
Official title: the fluid being air
F25J2240/42 (The fluid being air) appears on 50 US grants and 45 published applications in this corpus.
Search patents in F25J- Granted patents
- 50
- Published applications
- 45
- Assignees
- 27
- Inventors
- 99
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 5 |
| 2018 | 3 | 1 |
| 2019 | 3 | 7 |
| 2020 | 2 | 1 |
| 2021 | 1 | 3 |
| 2022 | 2 | 2 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 4 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and a relative apparatus for producing liquified gases8 Sep 2026US 12,729,906 B2Fpt Industrial S.P.A.
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- Cryogenic cooling system for an aircraft15 Jul 2025US 12,358,630 B2Rtx Corporation
- Cryogenic cooling system for an aircraft8 Jul 2025US 12,351,318 B2Rtx Corporation
- Propulsion system cooling control24 Jun 2025US 12,337,974 B2Rtx Corporation
- Installation and a method for cooling a fluid to cryogenic temperature12 Dec 2024US 2024/0410649 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System for storing and producing energy to stabilize the power network22 Feb 2024US 2024/0060717 A1Saipem S.P.A.
- Cryogenic cooling system for an aircraft28 Sep 2023US 2023/0303254 A1Raytheon Technologies Corporation
- Cryogenic cooling system for an aircraft20 Apr 2023US 2023/0122852 A1Raytheon Technologies Corporation
- A method and a relative apparatus for producing liquified gases2 Feb 2023US 2023/0031323 A1Fpt Industrial S.P.A.
Most cited
By later US patents
- System for compressing air and extracting nitrogen from compressed air31US 5,496,388 AAir Liquide America Corporation · 1996
- S cycle electric power system28US 5,572,861 A1996
- Separation method and apparatus20US 8,020,408 B2Praxair Technology, Inc. · 2011
- Air separation plant and process operating by cryogenic distillation18US 9,534,836 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2017
- Production of pure nitrogen17US 4,566,887 ACostain Petrocarbon Limited · 1986