Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254300 | Process for casting silicon blocks of columnar structure | Lothar Huber, Gerhard Spatzier | 1993-10-19 |
| 4834832 | Process and apparatus for the manufacture of silicon rods | Horst Stock, Lothar Huber | 1989-05-30 |
| 4769107 | Process and apparatus for the cyclical manufacture of silicon shaped articles | Dieter Helmreich, Cord Gessert, Hans-Dieter Miller, Helmut Zauhar, Leonhard Schmidhammer | 1988-09-06 |
| 4725423 | Process for the regeneration of shaped carbon bodies | Adalbert Ellbrunner, Horst Stock | 1988-02-16 |