Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4538384 | Method for grinding or cutting a workpiece | Otto Thanner | 1985-09-03 |
| 4500325 | Abrasive article | Otto Thanner | 1985-02-19 |
| 4480875 | Accelerator for control valves, especially for triple pressure control valves in pneumatic brake systems or rail vehicles | — | 1984-11-06 |
| 4463991 | Release valve apparatus for indirect air brakes of rail vehicles | Erich Huber | 1984-08-07 |
| 4298184 | Valve seal for a pressure medium controlling valve | Wolfgang Grunert, Kurt Rheindt | 1981-11-03 |