Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4704327 | Polygranular carbon member | — | 1987-11-03 |
| 4698825 | Protective coating of temperature resistant materials for the metal shaft of combination electrodes for the electric steel production | Dieter Zollner, Inge Lauterbach, Konrad Koziol, Christine Zollner, Thomas Taube | 1987-10-06 |
| 4654242 | Self-supporting, dimensionally stable carbon composite member and a method of producing it | — | 1987-03-31 |
| 4568533 | Method of providing a flowable carbon material | — | 1986-02-04 |
| 4539229 | Method of providing a shaped carbon article | — | 1985-09-03 |
| 4534836 | Use of temperature and corrosion resistant gastight materials as guard elements for the metal portion of combination electrodes in the winning of metals by molten salt electrolysis | Dieter Zollner, Christine Zollner, Inge Lauterbach-Dammler, Konrad Koziol | 1985-08-13 |
| 4462104 | Electrode holder for electric arc furnaces | Dieter Zollner, Inge Lauterbach-Dammler, Friedrich Rittman | 1984-07-24 |
| 4383321 | Carbon electrode, in particular a graphite electrode for producing steel | Dieter Mayer | 1983-05-10 |
| 4234650 | Laminar carbon member and a method of manufacturing it | — | 1980-11-18 |