Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5154737 | System for eliminating air leakage and high purity oxygen of a PSA oxygen concentrator | Charles E. Jenkins | 1992-10-13 |
| 5137549 | Two stage super-enriched oxygen concentrator | Charles E. Jenkins | 1992-08-11 |
| 5002591 | High efficiency PSA gas concentrator | — | 1991-03-26 |
| 4997465 | Anti-fluidization system for molecular sieve beds | — | 1991-03-05 |
| 4869733 | Super-enriched oxygen generator | — | 1989-09-26 |
| 4673415 | Oxygen production system with two stage oxygen pressurization | — | 1987-06-16 |