Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481231 | Hot gas defrost refrigeration system | Robert G. O'Neal | 2002-11-19 |
| 6286322 | Hot gas defrost refrigeration system | Robert G. O'Neal | 2001-09-11 |
| 6125652 | Apparatus for minimizing refrigerant usage | Christopher D. Hensch | 2000-10-03 |
| 5660050 | Refrigeration condenser, receiver subcooler system | Wilbert J. Wilson | 1997-08-26 |
| 5575158 | Refrigeration defrost cycles | — | 1996-11-19 |
| 5551507 | Finned heat exchanger support system | — | 1996-09-03 |
| 5380048 | Tube joint | — | 1995-01-10 |
| 5046331 | Evaporative condenser | Robert G. O'Neal | 1991-09-10 |
| 4356703 | Refrigeration defrost control | — | 1982-11-02 |
| 4193781 | Head pressure control for heat reclaim refrigeration systems | Jerome D. Powlas | 1980-03-18 |