Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690896 | Distributor assembly for multi-bed down-flow catalytic reactors | Krishniah Parimi, Dennis R. Cash | 1997-11-25 |
| 5599440 | Catalyst method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed | David C. Kramer, David S. Smith, James T. McCall, Georgieanna L. Scheuerman, Robert W. Bachtel +1 more | 1997-02-04 |