Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9981335 | Consumable cartridge for a plasma arc cutting system | Nicholas A. Sanders, Peter J. Twarog, E. Michael Shipulski | 2018-05-29 |
| 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 |
| D742712 | Hammer | Jianxin Zhang, Bangying HUANG | 2015-11-10 |
| 9144148 | Devices for gas cooling plasma arc torches and related systems and methods | Zheng Duan, Lisa Nadeau | 2015-09-22 |
| 9119345 | Power cutting tool with wheel assembly | Yuanzhong Ran | 2015-09-01 |
| 8835796 | Diffuser shape vent slots in a hand torch shield castellation | Zheng Duan | 2014-09-16 |
| 8698036 | Devices for gas cooling plasma arc torches and related systems and methods | Zheng Duan, Michael F. Kornprobst, David Agan | 2014-04-15 |
| D681336 | Tool holder | — | 2013-05-07 |
| 8371200 | Miter box with adjustable clamps | — | 2013-02-12 |
| 8251343 | Tool hanger | — | 2012-08-28 |