Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814055 | Current feeder for electrodes | Erich Wenk | 1989-03-21 |
| 4743351 | Coated valve metal anode for electrolytic extraction of metals or metal oxides | Erich Wenk | 1988-05-10 |
| RE32561 | Coated metal anode for the electrolytic recovery of metals | Erich Wenk | 1987-12-15 |
| 4698825 | Protective coating of temperature resistant materials for the metal shaft of combination electrodes for the electric steel production | Franz Schieber, Dieter Zollner, Inge Lauterbach, Christine Zollner, Thomas Taube | 1987-10-06 |
| 4695355 | Electrode for membrane electrolysis | — | 1987-09-22 |
| RE32426 | Electrode for fused melt electrolysis | — | 1987-05-26 |
| 4661232 | Electrode for electrolytic extraction of metals or metal oxides | Erich Wenk | 1987-04-28 |
| 4642173 | Cell having coated valve metal electrode for electrolytic galvanizing | Erich Wenk | 1987-02-10 |
| 4619752 | Electrode for electrolytic extraction of metals or metal oxides | Erich Wenk | 1986-10-28 |
| 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, Franz Schieber, Inge Lauterbach-Dammler | 1985-08-13 |
| 4474613 | Electrode for fusion electrolysis | Dieter Zollner, Friedrich Rittmann, Inge Lauterbach-Dammler, Christine Zollner | 1984-10-02 |
| 4462887 | Apparatus for fusion electrolysis and electrode therefor | Malcolm F. Pilbrow, Christine Zollner, Dieter Zollner | 1984-07-31 |
| 4462888 | Electrode for fusion electrolysis and electrode therefor | Malcolm F. Pilbrow, Christine Zollner, Dieter Zollner | 1984-07-31 |
| 4460450 | Coated valve metal anode for the electrolytic extraction of metals or metal oxides | Erich Wenk | 1984-07-17 |
| 4456519 | Regeneratable, non-consumable electrode for high temperature uses | Dieter Zollner, Christine Zollner, Inge Lauterbach-Dammler, Malcolm F. Pilbrow | 1984-06-26 |
| 4391695 | Coated metal anode or the electrolytic recovery of metals | Erich Wenk | 1983-07-05 |
| 4379742 | Gas-generating metal electrode for electrochemical processes | Hans-Carl Rathjen | 1983-04-12 |
| 4295942 | Process for preparing manganese oxide | Erich Wenk | 1981-10-20 |