Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9510436 | Wide bandgap semiconductor based power supply assemblies for plasma operating systems and related methods and devices | Dennis M. Borowy, Qinghua Liu, Girish R. Kamath, Michael Hoffa | 2016-11-29 |
| 9480139 | Plasma ARC torch electrode with symmetrical plasma gas flow | Zheng Duan | 2016-10-25 |
| 9326367 | Devices for gas cooling plasma arc torches and related systems and methods | Zheng Duan | 2016-04-26 |