Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6779267 | Method for increasing the wear-resistance of a work piece | Gerd Meier, Carsten Rubner, Peter Stingl, Helmut Radke, Steffen Tempel +1 more | 2004-08-24 |
| 5275377 | Valve disks of silicon-infiltrated silicon carbide | — | 1994-01-04 |