Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199356 | Free cooling refrigeration system | William L. Kopko | 2021-12-14 |
| 11175076 | Free cooling refrigeration system | William L. Kopko | 2021-11-16 |
| 10914524 | Un-finned heat exchanger | Pierre Olivier Pelletier, Jeffrey Lee Tucker | 2021-02-09 |