Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10820401 | Operating plasma arc processing systems at reduced current and gas pressure levels and related systems and methods | Shreyansh Patel, Qinghua Liu, Junsong Mao, Richard Pavlik, Zheng Duan | 2020-10-27 |
| 10772183 | Disabling plasma arc torches and related systems and methods | Jing Wu, Zheng Duan, Dennis M. Borowy, Junsong Mao | 2020-09-08 |
| 8680425 | Plasma arc torch having an electrode with internal passages | Peter J. Twarog, Charles M. Hackett, David J. Cook, David L. Bouthillier | 2014-03-25 |
| 7375302 | Plasma arc torch having an electrode with internal passages | Peter J. Twarog, Charles M. Hackett, David J. Cook, David L. Bouthillier | 2008-05-20 |