Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5442925 | Process for the cryogenic distillation of an air feed to produce a low to medium purity oxygen product using a single distillation column system | Rakesh Agrawal, Donald W. Woodward | 1995-08-22 |
| 5165244 | Process to produce oxygen and nitrogen at medium pressure | William T. Kleinberg | 1992-11-24 |