F25J 3/04878
Side by side arrangement of multiple vessels in a main column system
Official title: {Side by side arrangement of multiple vessels in a main column system, wherein the vessels are normally mounted one upon the other or forming different sections of the same column (multiple vessels of a crude argon column F25J3/04703)}
F25J3/04878 (Side by side arrangement of multiple vessels in a main column system) appears on 61 US grants and 54 published applications in this corpus.
Search patents in F25J- Granted patents
- 61
- Published applications
- 54
- Assignees
- 19
- Inventors
- 104
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 0 | 4 |
| 2017 | 1 | 2 |
| 2018 | 3 | 4 |
| 2019 | 3 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 3 |
| 2022 | 1 | 2 |
| 2023 | 3 | 5 |
| 2024 | 1 | 5 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air separation unit and air separation method25 Aug 2026US 12,716,651 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Power generation process utilizing fuel, liquid air and/or oxygen with zero CO2 emissions28 Apr 2026US 12,613,064 B2Saipem S.P.A.
- 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
- Air separation unit by cryogenic distillation1 Jul 2025US 12,345,469 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and installation for low temperature separation of air7 May 2024US 11,976,880 B2Linde Aktiengesellschaft
- System and method for production of ultra-high purity oxygen5 Feb 2026US 2026/0035243 A1
- Argon column for air separation unit and air separation unit13 Mar 2025US 2025/0085050 A1Taiyo Nippon Sanso Corporation
- Method for the low-temperature separation of air and air separation plant28 Nov 2024US 2024/0393043 A1Linde Aktiengesellschaft
- Plant and method for low-temperature air separation14 Nov 2024US 2024/0377129 A1Linde Aktiengesellschaft
- Liquefied gas supply system and air separation unit comprising same14 Nov 2024US 2024/0377130 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Efficient process to produce oxygen48US 5,966,967 AAir Products and Chemicals, Inc. · 1999
- High speed pressure swing adsorption liquid oxygen/liquid nitrogen generating plant34US 4,957,523 APacific Consolidated Industries, LLC · 1990
- Production of ultra-high purity oxygen from cryogenic air separation plants31US 5,049,173 AAir Products and Chemicals, Inc. · 1991
- Distillation processes and apparatus29US 4,025,398 A1977
- Air distillation plant comprising a plurality of cryogenic distillation units of the same type18US 6,128,921 AL' Air Liquide · 2000