Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395139 | Feed distributor for a liquid distributor of a distillation column | — | 2002-05-28 |
| 6128922 | Distillation method and column | Mary Dean, Robert M. Thorogood, Ramachandran Krishnamurthy | 2000-10-10 |
| 6059272 | Liquid distributor | Ramachandran Krishnamurthy | 2000-05-09 |
| 5776316 | Liquid redistribution system | Alan Burton | 1998-07-07 |
| 5641436 | Liquid-vapor contact column | Alan Burton | 1997-06-24 |
| 5525271 | Liquid-vapor contact device | Alan Burton | 1996-06-11 |
| 5439556 | Oxidation of white liquor using a packing column | Rustam H. Sethna, Mark J. Kirschner | 1995-08-08 |