Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7104789 | Wall structure for carbon baking furnace | Thomas N. Robich, Marc N. Palmisiano | 2006-09-12 |
| 5212126 | Aluminum resistant refractory and method | Lawrence D. Fitch | 1993-05-18 |
| 4915270 | Low-head feeding system for thin section castings | Sabah S. Daniel, Thomas W. Lewis, John F. McDermott, Mustafa R. Ozgu, Ralph C. Padfield +2 more | 1990-04-10 |
| 4874726 | Lightweight fused silica refractory compositions | Berhl E. Wishon | 1989-10-17 |
| 4680279 | Abrasion resistant refractory composition | — | 1987-07-14 |
| 4656146 | Abrasion resistant refractory composition | Paul E. Schlett, John R. Peterson, James A. Caprio | 1987-04-07 |
| 4557884 | Refractory | Daniel R. Petrak, Howard M. Winkelbauer, Ke-Chin Wang | 1985-12-10 |
| 4514531 | Monolithic refractories comprising a hydrocolloid | Linda L. Kleeb | 1985-04-30 |
| 4506025 | Silica castables | George H. Criss, Donald O. McCreight | 1985-03-19 |
| 4460528 | Refractory | Daniel R. Petrak, Howard M. Winkelbauer, Ke-Chin Wang | 1984-07-17 |
| 4430439 | Monolithic refractories | — | 1984-02-07 |
| 4292084 | Vibratable plastic refractory | Stephen W. Thrower, George H. Criss | 1981-09-29 |