Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6153030 | Method for the manufacture of hollow shafts | Volker Keck | 2000-11-28 |
| 6077475 | Arrangement and process for the inductive hardening of profiled camshafts | Gerhard Haubold, Reiner Schmid | 2000-06-20 |
| 6006429 | Method of inductively hardening the cams of a camshaft | Christoph Duell | 1999-12-28 |
| 5737975 | Built-up camshaft having induction-hardened cams and method of inductively hardening the cams | Christoph Duell | 1998-04-14 |