Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385852 | Method for soft expulsion of a fluid from a compressor at start-up | Da Zhang, Richard T. Pandzik, Mark Edward Rollins | 2019-08-20 |
| 9774275 | Systems and methods for space vector pulse width modulation switching using boot-strap charging circuits | Da Zhang, Thomas Gietzold | 2017-09-26 |