F25J 3/04751
Producing pure krypton and/or xenon recovered from a crude krypton/xenon mixture
Official title: {Producing pure krypton and/or xenon recovered from a crude krypton/xenon mixture}
F25J3/04751 (Producing pure krypton and/or xenon recovered from a crude krypton/xenon mixture) appears on 22 US grants and 11 published applications in this corpus.
Search patents in F25J- Granted patents
- 22
- Published applications
- 11
- Assignees
- 8
- Inventors
- 52
- Latest grant
- 16 May 2023
Filings by year
| Year | Granted patents | Published applications |
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| 1976 | 1 | 0 |
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| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
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| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
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| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
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| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adsorptive xenon recovery process from a gas or liquid stream at cryogenic temperature16 May 2023US 11,650,010 B2Praxair Technology, Inc.
- Method for the cryogenic fractionation of air and air fractionation plant7 Aug 2018US 10,041,729 B2Linde Aktiengesellschaft
- Method and apparatus for the low-temperature fractionation of a fluid mixture27 Dec 2016US 9,527,002 B2Linde Aktiengesellschaft
- Method for purifying and separating a krypton-xenon mixture by rectification and a device for carrying out said method3 Jan 2012US 8,088,258 B2
- Method for separating a krypton-xenon concentrate and a device for carrying out said method14 Apr 2009US 7,516,627 B2
- Method for obtaining xenon using a molecular sieve20 Aug 2026US 2026/0242223 A1Linde Aktiengesellschaft
- Adsorptive xenon recovery process from a gas or liquid stream at cryogenic temperature3 Dec 2020US 2020/0378681 A1Praxair Technology, Inc.
- Method for the cryogenic fractionation of air and air fractionation plant3 Mar 2016US 2016/0061520 A1Linde Aktiengesellschaft
- Method and apparatus for the low-temperature fractionation of a fluid mixture7 May 2015US 2015/0121954 A1Linde Aktiengesellschaft
- Method and device for producing a krypton/xenon mixture22 Jan 2015US 2015/0021522 A1
Most cited
By later US patents
- Process for producing xenon49US 5,039,500 AKyodo Oxygen Co., Ltd. · 1991
- Process and apparatus for the recovery of krypton and/or xenon36US 6,694,775 B1Air Products and Chemicals, Inc. · 2004
- Process for purifying a gas and apparatus for the implementation of such a process32US 5,993,612 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1999
- Process and device for the preparation of a flow which is substantially purified with respect to at least one of the impurities oxygen and carbon monoxide22US 5,685,172 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1997
- Process and adsorbent for the recovery of krypton and xenon from a gas or liquid stream16US 6,658,894 B2Air Products and Chemicals, Inc. · 2003