Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120650 | Separation of hydrocarbons/water/emulsifier mixtures | Robin M. Pate | 2000-09-19 |
| 5736031 | Separation of hydrocarbons water/emulsifier mixtures | Robin M. Pate | 1998-04-07 |
| 5242628 | Distillation tray/downcomer | — | 1993-09-07 |
| 5049319 | Distillation tray | — | 1991-09-17 |
| 5047179 | Distillation tray | — | 1991-09-10 |
| 4897098 | Fractionation system for stabilizing natural gasoline | Robin M. Pate, David R. Keck | 1990-01-30 |
| 4773968 | N-butane/isobutane fractionation | Harry E. O'Connell | 1988-09-27 |
| 4336046 | C.sub.4 Separation process | Kenneth R. Schorre, Dennie W. Dixon, Carl Nepute | 1982-06-22 |