Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9951826 | Segmented and laminated core steel plate for single and/or double sided wet clutch friction plates or separator plates | Michael Wagner, Martin P. Keating | 2018-04-24 |
| 5005289 | Device for the cutting of plates of soft material | — | 1991-04-09 |
| 4967893 | Friction assembly | — | 1990-11-06 |
| 4327822 | Wedging-type freewheeling clutch | Gunter Lanzerath | 1982-05-04 |
| 4267912 | Synchronizing ring | Walter Bauer, Emilio Fabricius, Gunther Lanzerath, Helmut Patzer | 1981-05-19 |
| 4252221 | Freewheel clutch with a cage for receiving and retaining the gripping elements | Gunter Lanzerath, Rudolf Muller, Karl H. Patzer, Erich Bollmann, Heinz Glaunsinger +2 more | 1981-02-24 |