Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10421115 | Hard-rolling roller head for the deep rolling of the crankpins of a split-pin crankshaft | Hans Zimmermann | 2019-09-24 |
| 9987722 | Hard-rolling roller | Hans Zimmermann | 2018-06-05 |
| 7487657 | Deep rolling head of a deep rolling tool for the deep rolling of crankshafts | — | 2009-02-10 |
| 7257974 | Deep-rolling roller head of a deep-rolling tool | — | 2007-08-21 |
| 6691543 | Fixed roll apparatus of a fixed roll machine for crankshafts | Hans Zimmermann | 2004-02-17 |
| 6393887 | Roll-hardening device pertaining to a roll-hardening machine for crankshafts | Hans Zimmermann | 2002-05-28 |
| 6154941 | Crankshaft thrust face burnisher and method | Luis Marcos Cadena | 2000-12-05 |