Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9427815 | Machine tool for producing toothed sections on workpieces | Carlo Schonherr | 2016-08-30 |
| 9346112 | Method for producing toothed sections on workpieces | Mario Wiesel | 2016-05-24 |
| 6439047 | Method and arrangement for mechanically testing the valve disk of ceramic valves | Otto Iancu, Karl-Heinz Thiemann | 2002-08-27 |
| 6200358 | Additive for a fuel to neutralize sulfur dioxide and/or sulfur trioxide in the exhaust gases | Eberhard Hirsch, Karl-Heinz Thiemann | 2001-03-13 |