Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462429 | Mechanical wiper for waste gas incinerator | Francis E. Pritchard, Eugene H. Koederitz, Thomas H. Barker, Jr. | 1995-10-31 |
| 4795138 | Metallurgical tuyere and method of calibrating same | Allan R. Wandelt | 1989-01-03 |
| 4765597 | Scarfing nozzle | Raymond J. Makara | 1988-08-23 |
| RE32511 | Method and apparatus for making instantaneous scarfing cuts | Stephen August Engel | 1987-09-29 |
| 4455176 | Post-mixed oxy-fuel gas cutting torch and nozzle and method of oxy-fuel gas cutting | — | 1984-06-19 |
| 4389038 | Scarfing apparatus | — | 1983-06-21 |