Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170033 | Swirl ring and flow control process for a plasma arc torch | Lifeng Luo, Nicholas A. Sanders | 1992-12-08 |
| 5166494 | Process and apparatus for reducing electrode wear in a plasma arc torch | Lifeng Luo, Nicholas A. Sanders | 1992-11-24 |
| 5132512 | Arc torch nozzle shield for plasma | Nicholas A. Sanders | 1992-07-21 |
| 5120930 | Plasma arc torch with improved nozzle shield and step flow | Nicholas A. Sanders | 1992-06-09 |
| 5070227 | Proceses and apparatus for reducing electrode wear in a plasma arc torch | Lifeng Luo, Nicholas A. Sanders | 1991-12-03 |
| 4902871 | Apparatus and process for cooling a plasma arc electrode | Nicholas A. Sanders | 1990-02-20 |
| 4861962 | Nozzle shield for a plasma arc torch | Nicholas A. Sanders | 1989-08-29 |
| 4816637 | Underwater and above-water plasma arc cutting torch and method | Nicholas A. Sanders | 1989-03-28 |
| 4791268 | Arc plasma torch and method using contact starting | Nicholas A. Sanders | 1988-12-13 |
| 4421970 | Height sensing system for a plasma arc cutting tool | — | 1983-12-20 |
| 4361748 | Cooling and height sensing system for a plasma arc cutting tool | — | 1982-11-30 |
| 4203022 | Method and apparatus for positioning a plasma arc cutting torch | William V. Bailey | 1980-05-13 |