F25J 2290/20
Particular dimensions
Official title: Particular dimensions; Small scale or microdevices
F25J2290/20 (Particular dimensions) appears on 13 US grants and 23 published applications in this corpus.
Search patents in F25J- Granted patents
- 13
- Published applications
- 23
- Assignees
- 15
- Inventors
- 70
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 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
- Ultra-compact thin foil heat-exchanger14 Jun 2022US 11,359,868 B2Makai Ocean Engineering, Inc.
- Apparatus and method for purifying gases and method of regenerating the same16 Jul 2019US 10,352,617 B2Consejo Superior de Investigaciones Cientificas
- Distillation method and structured packing28 Jun 2016US 9,375,655 B2Praxair Technology, Inc.
- Shielding in a separation column24 May 2016US 9,346,010 B2Air Products and Chemicals, Inc.
- Process for remote lox/lin production by hpair turbo expansion2 Oct 2025US 2025/0305764 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Microchannel Distillation Device Fabricated Using Additive Manufacture2 Jan 2025US 2025/0003678 A1Battelle Memorial Institute
- Integrated process for purifying and liquefying natural gas14 Dec 2023US 2023/0400251 A1
- 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
- Method for operating a reliquefaction system11 Nov 2021US 2021/0348841 A1Air Liquide Advanced Technologies U.S. LLC
Most cited
By later US patents
- Distillation process using microchannel technology56US 7,610,775 B2Velocys, Inc. · 2009
- Process for cooling a product in a heat exchanger employing microchannels55US 7,000,427 B2Velocys, Inc. · 2006
- Distillation process using microchannel technology54US 7,305,850 B2Velocys, Inc. · 2007
- Process for cooling a product in a heat exchanger employing microchannels for the flow of refrigerant and product25US 6,622,519 B1Velocys, Inc. · 2003
- Process for the cryogenic separation of oxygen containing mixtures, organized lining therefore and air distillation column including such lining13US 5,267,444 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1993