Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373976 | Refractory zirconia mortar | Gilbert Rancoule | 1994-12-20 |
| 5151201 | Prevention of erosion and alumina build-up in casting elements | Gilbert Rancoule, Han Ki Park, Quentin K. Robinson | 1992-09-29 |
| 5060831 | Material for covering a casting shroud | Gilbert Rancoule | 1991-10-29 |
| 5024422 | One-piece stopper rod | Jean-Marie Koten, Pascal Dubois | 1991-06-18 |
| 4946083 | One-piece stopper rod | Jean-Marie Koten, Pascal Dubois | 1990-08-07 |
| 4871698 | Carbon bonded refractory bodies | Dale B. Hoggard | 1989-10-03 |
| 4836508 | Ladle shroud with co-pressed gas permeable ring | — | 1989-06-06 |
| 4791978 | Gas permeable stopper rod | — | 1988-12-20 |
| 4568007 | Refractory shroud for continuous casting | — | 1986-02-04 |
| 4540675 | Carbon-containing refractories with superior erosion and oxidation resistance | Martin Allan Morris | 1985-09-10 |
| 4487251 | Continuous casting apparatus and a method of using the same | John B. Cahoon | 1984-12-11 |