Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6544471 | Method and apparatus for producing high chromium content steels and/or ferroalloys in an electric arc converter | Wei-Ping Wu, Karl-Josef Schneider | 2003-04-08 |
| 6068676 | Method and apparatus for producing high chromium content steels and/ or ferroalloys in an electric arc converter | Wei-Ping Wu, Karl-Josef Schneider | 2000-05-30 |