Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041315 | Flexible ceramic member and method of production thereof | Ralph Searle, Raimund Bruckner, Ibrahim Mentesh, Edward Levadnuk | 1991-08-20 |
| 4906349 | Process for the manufacture of a measuring probe for a measuring head to detect the oxygen activity of metal melts and a measuring probe manufactured by such a process | Pamela Beatrice, Herbert L. Johns, James R. Wright, Ronne Proch | 1990-03-06 |
| 4648097 | Electrode for an electric arc furnace | Hartmut Hlawatschek, Gunter Gelsdorf | 1987-03-03 |