Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4679472 | Method and apparatus for machining the circumference of out-of-round workpieces, particularly piston rings | Manfred Brocksieper, Rolf Luckger | 1987-07-14 |
| 4366543 | Method and apparatus for the out-of-round shaping of workpieces | Heinz Oepen, Jochen Stechow | 1982-12-28 |
| 4314492 | Apparatus for the out-of-round machining of workpieces | Manfred Kuhl, Heinz Oepen | 1982-02-09 |
| 4282784 | Method and lathe for machining out-of-round circumferences | Heinz Oepen, Manfred Kuhl, Alois Skrobek, Horst Bornefeld, Hans-Gunter Seiler +1 more | 1981-08-11 |
| 4266329 | Apparatus for positioning out-of-round workpieces particularly piston rings | Alois Skrobek, Wilfried Schmitz | 1981-05-12 |
| 4250779 | Apparatus for making out-of-round workpieces | Manfred Kuhl, Alois Skrobek | 1981-02-17 |