Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346685 | Plasma arc torch | Wayne Stanley Severance, Jr. | 2002-02-12 |
| 6215090 | Plasma arc torch | Wayne Stanley Severance, Jr. | 2001-04-10 |
| 5208448 | Plasma torch nozzle with improved cooling gas flow | — | 1993-05-04 |
| 5013885 | Plasma arc torch having extended nozzle of substantially hourglass | Donald W. Carkhuff, Jule Conner | 1991-05-07 |