Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650121 | Coated expendable refractory lining having improved resistance to erosive and corrosive materials | Charles R. Rumpeltin, Jr. | 1997-07-22 |
| 5602063 | Lightweight sprayable tundish lining composition | Charles R. Rumpeltin, Jr. | 1997-02-11 |
| 5512316 | Method of protecting ladle linings | Charles R. Rumpeltin, Jr. | 1996-04-30 |
| 5507474 | Lining for molten metal handling vessles | Charles R. Rumpeltin, Jr. | 1996-04-16 |
| 5366944 | Vibratable refractory compositions | Charles R. Rumpeltin, Jr. | 1994-11-22 |
| 5302563 | Sprayable refractory composition | Charles R. Rumpeltin, Jr. | 1994-04-12 |