Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440229 | Lower pre-heat block for use in metal scarfing apparatus | — | 2002-08-27 |
| 6174491 | Lower pre-heat block for use in metal scarfing apparatus | — | 2001-01-16 |
| 5497976 | Lower block assembly for use in metal scarfing apparatus | Michael S. Showalter, David L. Pierce, Raymond C. Smith | 1996-03-12 |
| RE32511 | Method and apparatus for making instantaneous scarfing cuts | Ronald E. Fuhrhop | 1987-09-29 |
| 4287005 | Instantaneous scarfing by means of a pilot puddle | — | 1981-09-01 |
| 4243436 | Instantaneous scarfing by means of a pilot puddle | — | 1981-01-06 |