F25J 3/04975
Adapted for special use of the air fractionation unit
Official title: {adapted for special use of the air fractionation unit, e.g. transportable devices by truck or small scale use}
F25J3/04975 (Adapted for special use of the air fractionation unit) appears on 62 US grants and 51 published applications in this corpus.
Search patents in F25J- Granted patents
- 62
- Published applications
- 51
- Assignees
- 38
- Inventors
- 136
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 6 |
| 2005 | 3 | 2 |
| 2006 | 2 | 7 |
| 2007 | 2 | 0 |
| 2008 | 1 | 4 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 5 |
| 2019 | 0 | 3 |
| 2020 | 3 | 2 |
| 2021 | 2 | 0 |
| 2022 | 2 | 3 |
| 2023 | 1 | 5 |
| 2024 | 0 | 1 |
| 2025 | 4 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid hydrogen vaporization system and liquid hydrogen vaporization method19 May 2026US 12,631,372 B2H2CREO Corp.
- Power generation process utilizing fuel, liquid air and/or oxygen with zero CO2 emissions28 Apr 2026US 12,613,064 B2Saipem S.P.A.
- System for generating an inert gas for an aircraft using liquid hydrogen3 Feb 2026US 12,540,772 B2Airbus Operations GmbH
- 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
- Microchannel Distillation Device Fabricated Using Additive Manufacture2 Jan 2025US 2025/0003678 A1Battelle Memorial Institute
- Liquid hydrogen vaporization system and liquid hydrogen vaporization method19 Sep 2024US 2024/0310083 A1H2CREO Corp.
- Power generation process utilizing fuel, liquid air and/or oxygen with zero co2 emissions28 Dec 2023US 2023/0417482 A1Saipem S.P.A.
- Cryogenic cooling system for an aircraft28 Sep 2023US 2023/0303254 A1Raytheon Technologies Corporation
- Cooling system, air-conditioning system, motor assembly and associated methods20 Jul 2023US 2023/0228463 A1Eosgen-Technologies
Most cited
By later US patents
- Hydrocarbon combustion power generation system with CO2 sequestration337US 6,389,814 B1Clean Energy Systems, Inc. · 2002
- 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
- Hydrocarbon combustion power generation system with CO2 sequestration163US 6,598,398 B2Clean Energy Systems, Inc. · 2003
- Low pollution power generation system with ion transfer membrane air separation154US 6,945,029 B2Clean Energy Systems, Inc. · 2005