F25J 3/04957
And inter-connecting equipments upstream of the fractionation unit , i.e. at the
Official title: {and inter-connecting equipments upstream of the fractionation unit (s), i.e. at the "front-end"}
F25J3/04957 (And inter-connecting equipments upstream of the fractionation unit , i.e. at the) appears on 47 US grants and 54 published applications in this corpus.
Search patents in F25J- Granted patents
- 47
- Published applications
- 54
- Assignees
- 22
- Inventors
- 100
- Latest grant
- 1 Oct 2024
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 | 0 | 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 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 4 |
| 2012 | 0 | 7 |
| 2013 | 0 | 1 |
| 2014 | 3 | 5 |
| 2015 | 3 | 4 |
| 2016 | 0 | 8 |
| 2017 | 4 | 0 |
| 2018 | 1 | 1 |
| 2019 | 4 | 3 |
| 2020 | 3 | 2 |
| 2021 | 0 | 3 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 3 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluid recovery process and apparatus for xenon and or krypton recovery1 Oct 2024US 12,104,850 B2Air Products and Chemicals, Inc.
- Chiller, air separation system, and related methods16 Jul 2024US 12,038,230 B2Air Products and Chemicals, Inc.
- Air separation device16 Apr 2024US 11,959,702 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for separating air by cryogenic distillation26 Dec 2023US 11,852,408 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and apparatus for separating air by cryogenic distillation31 Mar 2020US 10,605,523 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Air separation method and plant18 Dec 2025US 2025/0383144 A1Linde Aktiengesellschaft
- Cryogenic Air Separation Method and Air Separation Unit27 Apr 2023US 2023/0125267 A1Cryostar SAS
- Low-pressure nitrogen turbine with air booster parallel to the booster air compressor6 Apr 2023US 2023/0103843 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- Fluid recovery process and apparatus for xenon and or krypton recovery10 Nov 2022US 2022/0357104 A1Air Products and Chemicals, Inc.
- Chiller, air separation system, and related methods31 Mar 2022US 2022/0099367 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Air separation process and system with gas turbine drivers97US 6,345,493 B1Air Products and Chemicals, Inc. · 2002
- Integrated method of air separation and of energy generation and plant for the implementation of such a method46US 6,612,113 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2003
- Integrated air-separation/energy-generation process and plant for implementing such a process45US 6,550,234 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2003
- 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