Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7040800 | Magnetic stirrer with a stirring drive in the form of magnetic coils | Uwe Brauch | 2006-05-09 |
| 5353696 | Conching device | Max Stadelmann | 1994-10-11 |
| 4330364 | Process of strengthening dilute phosphoric acid | Walter Blumrich, Karl-Heinz Dorr, Ulrich Sander | 1982-05-18 |
| 4276116 | Process of strengthening dilute phosphoric acid | Walter Blumrich, Karl-Heinz Dorr, Ulrich Sander | 1981-06-30 |