Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4939962 | Method and apparatus for influencing the motion of a movable member | Gerhardt Kluge, Hartwig Klosterhalfen | 1990-07-10 |
| 4895057 | Machine tool for broaching crankshaft connecting rod bearings | Garri Berstein, Hans W. Obrig, Hermann Wolters | 1990-01-23 |
| 4866642 | Method and apparatus for determining the diameter of rail vehicle wheels | Hans W. Obrig, Nis-Friedrich Ewald | 1989-09-12 |
| 4861204 | Turn broaching tool | Garri Berstein, Hans W. Obrig | 1989-08-29 |
| 4802285 | Method and apparatus for ascertaining the radial location of a new wheel profile to be produced by a reprofiling operation | Herbert Ligacz, Alfred Heimann, Hartwig Klosterhalfen | 1989-02-07 |
| 4799839 | Method and apparatus for performing a rotary broaching operation particularly on work pieces of rotational symmetry | Garri Berstein, Hans W. Obrig, Hermann Wolters | 1989-01-24 |
| 4798963 | Apparatus for monitoring and measuring the quality of rail wheel still mounted beneath a rail vehicle without directly contacting the rail wheels | Helmut Gruteser, Wilfred Coenen, Walter Elschenbroich | 1989-01-17 |
| 4711146 | Method for reprofiling profiles of wheel sets | Dieter Lung, Werner Kluft, Jochen Fabry, Theodor Dombrowski, Hartwig Klosterhalfen | 1987-12-08 |
| 4437328 | Crankshaft glaze or smooth rolling machine | Valentin Buschgens | 1984-03-20 |
| 4265149 | Method and apparatus for truing railroad wheels | Bernhard Kunze | 1981-05-05 |
| 4211129 | Method for producing a bore | Heinz vom Dorp, Theodor Lindgens | 1980-07-08 |
| 4200012 | Method and apparatus for truing railroad wheels | Bernhard Kunze | 1980-04-29 |
| 4195957 | Boring tool with floating double edged knife | Garrj Berstein, Lothar Heymanns, Willi Hansen | 1980-04-01 |