Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5716909 | Process for increasing the pinning force of superconducting Bi-Sr-Ca-Cu-O ceramic moldings | Guenter Petzow, Fritz Aldinger, Bernhard Hettich, Steffen Elschner | 1998-02-10 |
| 5250509 | Bismuth-containing superconducting material and process for producing it | Bernhard Hettich, Klaus Schulze, Gunter Petzow | 1993-10-05 |