Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783120 | Multiple downcomer fractional distillation tray and process | Mohamed S. M. Shakur, Joseph Agnello, Kevin J. Richardson | 2004-08-31 |
| 6739585 | Multiple downcomer fractionation trays having liquid distribution devices | Zhanping Xu | 2004-05-25 |
| 6715741 | Increased efficiency fractional distillation tray | Zhanping Xu | 2004-04-06 |