Segregation and treatment of waste water streams for enhanced oil recovery
US-12202755-B2 · Jan 21, 2025 · US
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Choi Seung-Hak patents
Choi Seung-Hak is listed as an inventor on 41 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Choi Seung-Hak |
| Total patents | 41 |
| First publication | Oct 4, 2018 |
| Latest publication | Jan 21, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Stacked membranes and their use in gas separation
US-12083474-B2 · Sep 10, 2024 · US
Segregation and treatment of waste water streams for enhanced oil recovery
US-2024199462-A1 · Jun 20, 2024 · US
Methods for water extraction
US-12006233-B2 · Jun 11, 2024 · US
Removal of Sulfur Compounds from Gas
US-2024109776-A1 · Apr 4, 2024 · US
Plasma Treatment in Sulfur Recovery
US-2024109034-A1 · Apr 4, 2024 · US
Processes and systems for upgrading crude oil
US-11866653-B1 · Jan 9, 2024 · US
Preventing an over pressure condition with a mechanical shutdown valve
US-11821543-B2 · Nov 21, 2023 · US
Multilayer aromatic polyamide thin-film composite membranes for separation of gas mixtures
US-11724230-B2 · Aug 15, 2023 · US
Hollow fiber membrane module and method of making and using same
US-2023191332-A1 · Jun 22, 2023 · US
Recent patents
Latest publications not already listed above.
Hollow fiber membrane module and method of making and using same
US-2023191331-A1 · Jun 22, 2023 · US
Membrane distillation system with gas bubble source and method of use
US-2023192513-A1 · Jun 22, 2023 · US
Treatment of Sour Natural Gas
US-2023183588-A1 · Jun 15, 2023 · US
Stacked membranes and their use in gas separation
US-2023182070-A1 · Jun 15, 2023 · US
Producing fibers using spinnerets
US-11674241-B2 · Jun 13, 2023 · US
Engine system with catalytic reactor
US-11674419-B1 · Jun 13, 2023 · US
Engine system with catalytic reactor
US-2023160328-A1 · May 25, 2023 · US
Multi-layer composite gas separation membranes, methods for preparation, and use
US-11642629-B2 · May 9, 2023 · US
Preventing an over pressure condition with a mechanical shutdown valve
US-2023077254-A1 · Mar 9, 2023 · US
Hollow fiber membrane module and method of making and using same
US-11596899-B1 · Mar 7, 2023 · US
Preventing an over pressure condition with a mechanical shutdown valve
US-11566715-B1 · Jan 31, 2023 · US
Preventing an over pressure condition with a mechanical shutdown valve
US-2023011335-A1 · Jan 12, 2023 · US
Membrane process for H2 recovery from sulfur recovery tail gas stream of sulfur recovery units and process for environmentally greener sales gas
US-11383200-B2 · Jul 12, 2022 · US
Methods for water extraction
US-2022212956-A1 · Jul 7, 2022 · US
Membrane process for h2 recovery from sulfur recovery tail gas stream of sulfur recovery units and process for environmentally greener sales gas
US-2022062818-A1 · Mar 3, 2022 · US
Production of thin film composite hollow fiber membranes
US-11253819-B2 · Feb 22, 2022 · US
Engines Including Air-Separation Emissions Mitigation Systems and Methods for Operating the Same
US-2022034268-A1 · Feb 3, 2022 · US
Production of thin film composite hollow fiber membranes
US-2021354091-A1 · Nov 18, 2021 · US
Multi-layer composite gas separation membranes, methods for preparation, and use
US-2021291120-A1 · Sep 23, 2021 · US
Producing Fibers Using Spinnerets
US-2021047754-A1 · Feb 18, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Saudi Arabian Oil Co | 41 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D69/02 | 13 |
| B01D53/228 | 12 |
| B01D71/64 | 10 |
| B01D2323/42 | 9 |
| C10L2290/548 | 8 |