Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936119 | Method for producing metallic, non-rotationally symmetrical rings with a constant wall thickness over their circumference | Joachim Schlegel, Dieter Wamser, Roland Stephan | 2005-08-30 |
| 6644151 | Apparatus for the continuous, chipless separation of individual, identical disk-shaped blanks or rods from round bar-shaped workpieces | Roland Stephan, Joachim Schlegel | 2003-11-11 |
| 6615632 | Parting tool | Roland Stephan, Joachim Schlegel | 2003-09-09 |
| 6536314 | Device for continuous chipless separation of single identical rings from tubular workpieces | Roland Stephan, Dr.-Ing. Joachim Schlegel | 2003-03-25 |
| 6502486 | Method for producing steel rolling bearing rings | Karl Tenbrack, Roland Stephan, Herbert Sommerfeld | 2003-01-07 |