Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4258645 | Coupling for stationary and movable vacuum chambers | Hans Aichert, Friedrich Stark, Herbert Stephan | 1981-03-31 |
| 4233342 | Method for vapor-coating turbine buckets | Hans Aichert, Walter Dietrich, Friedrich Stark, Herbert Stephan | 1980-11-11 |
| 4226587 | Heating system for vacuum coating apparatus | Hans Aichert, Friedrich Stark, Herbert Stephan | 1980-10-07 |
| 4219183 | Operating mechanism for valves, gates and the like | Walter Heil, Friedrich Stark | 1980-08-26 |
| 4208042 | Evaporating crucible | Hans Aichert, Walter Dietrich, Alfred Hauff, Herbert Stephan | 1980-06-17 |
| 4192253 | Vacuum coating apparatus | Hans Aichert, Friedrich Stark, Herbert Stephan | 1980-03-11 |