Issued Patents 1994
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355681 | Air separation schemes for oxygen and nitrogen coproduction as gas and/or liquid products | — | 1994-10-18 |
| 5355682 | Cryogenic air separation process producing elevated pressure nitrogen by pumped liquid nitrogen | Rakesh Agrawal, Bruce K. Dawson, Jeffrey A. Hopkins | 1994-10-18 |
| 5341646 | Triple column distillation system for oxygen and pressurized nitrogen production | Rakesh Agrawal, Jeffrey S. Langston, Paul Rodgers | 1994-08-30 |
| 5306427 | Low pressure feed membrane separation process | — | 1994-04-26 |
| 5282969 | High pressure feed membrane separation process | — | 1994-02-01 |
| 5275003 | Hybrid air and nitrogen recycle liquefier | Rakesh Agrawal, Donald W. Woodward | 1994-01-04 |