Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139547 | Production of liquid nitrogen using liquefied natural gas as sole refrigerant | Rakesh Agrawal | 1992-08-18 |
| 4921514 | Mixed refrigerant/expander process for the recovery of C3+ hydrocarbons | Howard C. Rowles | 1990-05-01 |
| 4834785 | Cryogenic nitrogen generator with nitrogen expander | — | 1989-05-30 |
| 4783210 | Air separation process with modified single distillation column nitrogen generator | Joseph M. Abrardo, Edwin C. Rogusky | 1988-11-08 |
| 4707170 | Staged multicomponent refrigerant cycle for a process for recovery of C.sub.+ hydrocarbons | Howard C. Rowles | 1987-11-17 |