Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291940 | Static vacuum casting of ingots | Janine C. Borofka, Robert A. Borowski, Charles H. Entrekin | 1994-03-08 |
| 5222547 | Intermediate pressure electron beam furnace | — | 1993-06-29 |
| 5171357 | Vacuum processing of particulate reactive metal | Carlos E. Aguirre | 1992-12-15 |
| 5100463 | Method of operating an electron beam furnace | — | 1992-03-31 |
| 5084090 | Vacuum processing of reactive metal | — | 1992-01-28 |
| 4961776 | Cold hearth refining | — | 1990-10-09 |
| 4936375 | Continuous casting of ingots | — | 1990-06-26 |
| 4932635 | Cold hearth refining apparatus | — | 1990-06-12 |
| 4838340 | Continuous casting of fine grain ingots | Charles H. Entrekin | 1989-06-13 |
| RE32932 | Cold hearth refining | Charles H. Entrekin | 1989-05-30 |
| 4823358 | High capacity electron beam cold hearth furnace | Carlos E. Aguirre | 1989-04-18 |
| 4750542 | Electron beam cold hearth refining | Charles H. Entrekin | 1988-06-14 |
| 4616363 | Electron-beam furnace with magnetic stabilization | Joseph A. Knecht | 1986-10-07 |