Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9446449 | Method for reprofiling wheelsets on underfloor wheel lathes | Hans J. Naumann, Robert Matthew Mertens, Hans-Joachim Reiche | 2016-09-20 |
| 8245374 | Roller burnishing machine for crankshafts | Roland Heffe, Alfred Heimann, Frank Risters | 2012-08-21 |
| 7952729 | Measuring instrument for determining the actual condition of wheel sets | Camilo De La Riva, Dieter Rosenland, Norbert Braun | 2011-05-31 |
| 7779660 | Procedure for deep rolling crankshafts | Ralf Freitag, Roland Heffe, Alfred Heimann, Frank Risters, Juergen Winnertz | 2010-08-24 |