Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450804 | Compact continuous charging apparatus | — | 2002-09-17 |
| 6438154 | Method and apparatus for recovering metal values from liquid slag an baghouse dust of an electric arc furnace | — | 2002-08-20 |
| 6155333 | Continuous electric steelmaking with charge preheating, melting, refining and casting | — | 2000-12-05 |
| 6021723 | Hazardous waste treatment method and apparatus | — | 2000-02-08 |
| 6004504 | Method and apparatus for controlling bath level and measurement of bath characteristics | — | 1999-12-21 |
| 5800591 | Method and apparatus for feeding a steelmaking furnace | — | 1998-09-01 |
| 5406579 | Dynamic seal | — | 1995-04-11 |
| 5400358 | Continuous scrap preheating | — | 1995-03-21 |
| 4836732 | Method and apparatus for continuously charging a steelmaking furnace | — | 1989-06-06 |
| 4795139 | Apparatus for tapping slag-free steel from a continuous melting furnace | — | 1989-01-03 |
| 4681537 | Method and apparatus for continuously charging a steelmaking furnace | — | 1987-07-21 |
| 4609400 | Method and apparatus for preheating charge materials for continuous steelmaking | — | 1986-09-02 |
| 4564388 | Method for continuous steelmaking | — | 1986-01-14 |
| 4543124 | Apparatus for continuous steelmaking | — | 1985-09-24 |