Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9205472 | Machine for deep-rolling axles | Alfred Heimann | 2015-12-08 |
| 8567025 | Deep rolling roller of a deep rolling machine arranged detachably on a housing | — | 2013-10-29 |
| 8245374 | Roller burnishing machine for crankshafts | Alfred Heimann, Theo Nijssen, Frank Risters | 2012-08-21 |
| 7779660 | Procedure for deep rolling crankshafts | Ralf Freitag, Alfred Heimann, Theo Nijssen, Frank Risters, Juergen Winnertz | 2010-08-24 |
| 7493788 | Deep rolling roller head for split-pin crankshafts | Hans-Willi Lingen, Frank Risters, Hans Zimmermann | 2009-02-24 |
| 6619090 | Roll-hardening machine for crankshafts | — | 2003-09-16 |
| 6619091 | Quick-change system for measuring probe assembly | — | 2003-09-16 |
| 5943893 | Roll-hardening machine for crankshafts | Dieter Goedderz, Alfred Heimann, Josef Janssen | 1999-08-31 |