Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105545 | Purge system for chiller system | Zidu Ma, Ivan Rydkin | 2021-08-31 |
| 11092566 | Leak detection unit for refrigerant system | Lei Chen, Zhiwei Yang, Larry D. Burns, Ivan Rydkin | 2021-08-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105545 | Purge system for chiller system | Zidu Ma, Ivan Rydkin | 2021-08-31 |
| 11092566 | Leak detection unit for refrigerant system | Lei Chen, Zhiwei Yang, Larry D. Burns, Ivan Rydkin | 2021-08-17 |