Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739585 | Multiple downcomer fractionation trays having liquid distribution devices | Nicholas F. Urbanski | 2004-05-25 |
| 6715741 | Increased efficiency fractional distillation tray | Nicholas F. Urbanski | 2004-04-06 |
| 6682633 | Apparatus for cocurrent fractional distillation | Dennis H. Bielinski | 2004-01-27 |