Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7192468 | Configurations and method for improved gas removal | John Mak, Richard B. Nielsen | 2007-03-20 |
| 7051553 | Twin reflux process and configurations for improved natural gas liquids recovery | John Mak, Chengwen Wayne Chung | 2006-05-30 |