Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10981103 | System and method for enhanced recovery of liquid oxygen from a nitrogen and argon producing cryogenic air separation unit | David R. Parsnick, John Fredric Billingham, Henry Edward Howard | 2021-04-20 |
| 10969168 | System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit | Brian R. Kromer, James R. Handley | 2021-04-06 |