Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808518 | Advanced method of heavy hydrocarbon removal and natural gas liquefaction using closed-loop refrigeration system | James Zhao | 2023-11-07 |
| 11674748 | Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream | James Zhao | 2023-06-13 |
| 11668523 | Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream | James Zhao | 2023-06-06 |