Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122355 | Membrane nitrogen process and system | Ravi Prasad, Frank Notaro, David R. Thompson | 1992-06-16 |
| 5116396 | Hybrid prepurifier for cryogenic air separation plants | Ravi Prasad, Frank Notaro | 1992-05-26 |
| 5004482 | Production of dry, high purity nitrogen | Ravi Prasad, James Smolarek | 1991-04-02 |
| 4934148 | Dry, high purity nitrogen production process and system | Ravi Prasad, Harry Cheung | 1990-06-19 |
| 4881953 | Prevention of membrane degradation | Ravi Prasad | 1989-11-21 |