Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10989471 | Multiple pass, parallel flow downcomer tray for a mass transfer column | Arya Ayaskanta, Steven C. Brown | 2021-04-27 |
| 10928129 | Annular divided wall column | Kevin J. Saboda, Paul W. Belanger, Richard D. Lenz, Kirk F. Larson, Steven C. Brown +2 more | 2021-02-23 |