Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156226 | Centrifugal compressor with recirculation passage | Vishnu M. Sishtla | 2021-10-26 |
| 11053950 | Centrifugal compressor open impeller | Vishnu M. Sishtla | 2021-07-06 |
| 10941966 | Hot gas bypass energy recovery | Vishnu M. Sishtla | 2021-03-09 |