Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674416 | Arc treatment of metal surfaces | Edward P. Patrick, Philip J. Blakeley, Regis J. Huth, Jr., A. Victor Pajerski, Christopher M. Seaman +1 more | 1997-10-07 |
| 5004888 | Plasma torch with extended life electrodes | Shyam V. Dighe, Paul Edward Martin, Raymond F. Taylor, Jr., William J. Melilli | 1991-04-02 |
| 4864096 | Transfer arc torch and reactor vessel | William J. Melilli | 1989-09-05 |
| 4761793 | Plasma fired feed nozzle | Shyam V. Digne | 1988-08-02 |
| 4668853 | Arc-heated plasma lance | Maurice G. Fey, Stefan Thunberg | 1987-05-26 |
| 4554435 | Electric arc heater having outlet gas admission | Joseph W. George | 1985-11-19 |
| 4535225 | High power arc heater | Thomas N. Meyer, Maurice G. Fey, John E. Heidrich | 1985-08-13 |
| 4219726 | Arc heater construction with total alternating current usage | Thomas N. Meyer | 1980-08-26 |
| 4214736 | Arc heater melting system | Thomas N. Meyer, Maurice G. Fey, Francis J. Harvey, II | 1980-07-29 |
| 4188368 | Method of producing silicon | Robert A. Administrator of the National Aeronautics and Space Frosch, Thomas N. Meyer | 1980-02-12 |