Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9754574 | System and method for reducing noise within a refrigeration system | William L. Kopko, Atul Singh, Andrew John Graybill, Lewis M. Bass | 2017-09-05 |
| 9733005 | Subcooling system with thermal storage | William L. Kopko, Andrew M. Welch | 2017-08-15 |
| 9657978 | Refrigerant control system for a flash tank | William L. Kopko, Israel Federman, Andrew John Graybill | 2017-05-23 |