F25J 3/04927
Liquid or gas distribution devices
Official title: {Liquid or gas distribution devices}
F25J3/04927 (Liquid or gas distribution devices) appears on 49 US grants and 37 published applications in this corpus.
Search patents in F25J- Granted patents
- 49
- Published applications
- 37
- Assignees
- 15
- Inventors
- 94
- Latest grant
- 23 Dec 2025
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 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 7 |
| 2020 | 8 | 6 |
| 2021 | 4 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- System for purifying argon by cryogenic distillation23 Dec 2025US 12,503,365 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Waste argon separation system and method capable of reducing emission of cryogenic waste argon26 Aug 2025US 12,398,952 B2Shanghai Lifengas Co., Ltd
- Process and plant for the production of argon by cryogenic distillation of air13 Sep 2022US 11,441,840 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Liquid double distribution device of use in particular in an apparatus in which a liquid phase flows under gravity9 Nov 2021US 11,167,221 B2Saipem S.P.A.
- Two-stage liquid distribution device for mass transfer column21 Sep 2021US 11,123,706 B2Koch-Glitsch, LP
- Waste argon separation system and method capable of reducing emission of cryogenic waste argon20 Mar 2025US 2025/0093095 A1Shanghai Lifengas Co., Ltd
- Nitrogen generating device and nitrogen generating method20 Feb 2025US 2025/0060158 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Apparatus and method for separating air21 Dec 2023US 2023/0408193 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System for purifying argon by cryogenic distillation1 Dec 2022US 2022/0380215 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Two-stage liquid distribution device for mass transfer column1 Oct 2020US 2020/0306720 A1Koch-Glitsch, LP
Most cited
By later US patents
- Distillation system with partitioned column39US 5,339,648 APraxair Technology, Inc. · 1994
- Vapor-liquid contactor, cryogenic air separation unit and method of gas separation35US 6,565,629 B1Nippon Sanso Corporation · 2003
- Packed column for exchanging heat and/or mass32US 6,672,572 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2004
- Air distillating column with cross-undulating lining30US 5,224,351 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1993
- Distillation processes and apparatus29US 4,025,398 A1977