Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10166595 | Rolling tool | Jandrey Maldaner | 2019-01-01 |
| 9694471 | Burnishing head | — | 2017-07-04 |
| 9205472 | Machine for deep-rolling axles | Roland Heffe | 2015-12-08 |
| 9205516 | Hydraulic wheel set press | Manfred Boms, Hans-Joachim Reiche | 2015-12-08 |
| 8245374 | Roller burnishing machine for crankshafts | Roland Heffe, Theo Nijssen, Frank Risters | 2012-08-21 |
| 7827684 | Process for finish-machining crank shafts for motor car engines | Reinhard Klomp, Peter Reim | 2010-11-09 |
| 7779660 | Procedure for deep rolling crankshafts | Ralf Freitag, Roland Heffe, Theo Nijssen, Frank Risters, Juergen Winnertz | 2010-08-24 |
| 7392595 | Device for measuring the roundness of a railroad wheel | — | 2008-07-01 |
| 7261620 | Method and device for reprofiling railway wheels | Manfred Boms, Georg Hauschild, Ralf Hock, Hans-Joachim Reiche | 2007-08-28 |
| 7021100 | Deep-rolling apparatus of a deep rolling machine crankshafts | — | 2006-04-04 |
| 6990842 | Method for deep-rolling transitions between the bearing journals and the flanges of crankshafts | — | 2006-01-31 |
| 6666061 | Apparatus for deep rolling of recesses and radii of crankshaft journal bearings | — | 2003-12-23 |
| 6651474 | Device for the fixed-rolling of crankshafts | — | 2003-11-25 |
| 6439019 | Roller cage for a deep rolling work roller | Hans Zimmerman | 2002-08-27 |
| 5943893 | Roll-hardening machine for crankshafts | Dieter Goedderz, Roland Heffe, Josef Janssen | 1999-08-31 |
| 5678963 | Method for truing sets of rail vehicle wheels by chip removal and under-floor machine for performing the method | — | 1997-10-21 |
| 5678966 | Milling cutter for a wheel set milling machine | — | 1997-10-21 |
| 4825737 | Lifting mechanism especially for a wheel set in a truing machine | Herbert Ligacz | 1989-05-02 |
| 4802285 | Method and apparatus for ascertaining the radial location of a new wheel profile to be produced by a reprofiling operation | Herbert Ligacz, Hartwig Klosterhalfen, Helmut Wittkopp | 1989-02-07 |