F25J 3/04733
Using a hybrid system
Official title: {using a hybrid system, e.g. using adsorption, permeation or catalytic reaction}
F25J3/04733 (Using a hybrid system) appears on 40 US grants and 23 published applications in this corpus.
Search patents in F25J- Granted patents
- 40
- Published applications
- 23
- Assignees
- 11
- Inventors
- 95
- Latest grant
- 9 Dec 2025
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| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Apparatus and process for liquefying gases9 Dec 2025US 12,492,864 B1
- Waste argon separation system and method capable of reducing emission of cryogenic waste argon26 Aug 2025US 12,398,952 B2Shanghai Lifengas Co., Ltd
- Method and apparatus for adsorptive distillation for cryogenic argon/oxygen separation30 Jan 2024US 11,885,562 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for separating air by cryogenic distillation26 Dec 2023US 11,852,408 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System and method for flexible recovery of argon from a cryogenic air separation unit1 Mar 2022US 11,262,125 B2Praxair Technology, Inc.
- Waste argon separation system and method capable of reducing emission of cryogenic waste argon20 Mar 2025US 2025/0093095 A1Shanghai Lifengas Co., Ltd
- Method for flexible recovery of argon from a cryogenic air separation unit12 May 2022US 2022/0146195 A1
- System and method for flexible recovery of argon from a cryogenic air separation unit12 May 2022US 2022/0146196 A1
- Method and apparatus for separating air by cryogenic distillation25 Nov 2021US 2021/0364233 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for adsorptive distillation for cryogenic argon/oxygen separation9 Sep 2021US 2021/0278131 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Argon purification61US 4,477,265 AAir Products and Chemicals, Inc. · 1984
- Process for distillation of multicomponent fluid and production of an argon-enriched stream from a cryogenic air separation process57US 6,240,744 B1Air Products and Chemicals, Inc. · 2001
- Process for removing oxygen from crude argon50US 5,035,726 AAir Products and Chemicals, Inc. · 1991
- Purification of crude argon47US 4,935,044 ALinde Aktiengesellschaft · 1990
- Cryogenic hybrid system for producing high purity argon37US 5,730,003 APraxair Technology, Inc. · 1998