Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942986 | Pressurized tundish for controlling a continuous flow of molten metal | Thomas W. Lewis, Paul E. Hamill, Jr., Ralph C. Padfield, Donovan N. Rego, Guido P. Brita | 1990-07-24 |
| 4915270 | Low-head feeding system for thin section castings | Sabah S. Daniel, Thomas R. Kleeb, Thomas W. Lewis, John F. McDermott, Ralph C. Padfield +2 more | 1990-04-10 |
| 4582115 | Device and procedure for mechanical insertion of a grade separator in continuous steel casting | Frank J. Corto, Manfred Schmidt | 1986-04-15 |
| 4202397 | Method of continuously casting molten metal | Joseph W. Hlinka, Bruce C. Whitmore | 1980-05-13 |