F25J 3/04624
Using integrated mass and heat exchange, so-called non-adiabatic rectification
Official title: {using integrated mass and heat exchange, so-called non-adiabatic rectification, e.g. dephlegmator, reflux exchanger}
F25J3/04624 (Using integrated mass and heat exchange, so-called non-adiabatic rectification) appears on 35 US grants and 23 published applications in this corpus.
Search patents in F25J- Granted patents
- 35
- Published applications
- 23
- Assignees
- 17
- Inventors
- 84
- Latest grant
- 1 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
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| 1983 | 0 | 0 |
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| 1985 | 1 | 0 |
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| 1992 | 2 | 0 |
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| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 4 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for the production of argon in an air separation plant facility or enclave having multiple cryogenic air separation units1 Aug 2023US 11,713,921 B2Praxair Technology, Inc.
- Air separation plant, method for obtaining a product containing argon, and method for creating an air separation plant17 Mar 2020US 10,591,209 B2Linde Aktiengesellschaft
- System and method for recovery of neon and helium from an air separation unit10 Sep 2019US 10,408,536 B2Praxair Technology, Inc.
- System and method for recovery of non-condensable gases such as neon, helium, xenon, and krypton from an air separation unit21 May 2019US 10,295,254 B2Praxair Technology, Inc.
- Reflux condenser apparatus and method20 Dec 2011US 8,080,092 B2Linde Aktiengesellschaft
- Monobloc assembly for a device which can carry out transfer of heat16 Jun 2022US 2022/0184522 A1Centre National de la Recherche Scientifique (CNRS)
- Apparatus for exchanging heat and material2 Jun 2022US 2022/0170701 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for manufacturing an apparatus for exchanging heat and material5 May 2022US 2022/0134304 A1L' Air Liquide, Société Anonyme pour l'Etude et I'Exploitation des Procédés Georges Claude
- Matrix integrating at least one heat exchange function and one distillation function28 Apr 2022US 2022/0126263 A1L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Precedes Georges Claude
- Method and apparatus for separating air by cryogenic distillation29 Apr 2021US 2021/0123671 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Distillation process using microchannel technology56US 7,610,775 B2Velocys, Inc. · 2009
- Distillation process using microchannel technology54US 7,305,850 B2Velocys, Inc. · 2007
- Cryogenic air separation with cold argon recycle38US 4,533,375 A1985
- Process and apparatus for the recovery of krypton and/or xenon36US 6,694,775 B1Air Products and Chemicals, Inc. · 2004
- Apparatus for production of nitrogen35US 5,144,809 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1992