Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014467 | Method and machine for the discontinuous generating grinding with indexing | Udo Luhmer | 1991-05-14 |
| 4949513 | Method for the precision machining of particularly hardened gears and a tool suited therefor | Josef Lohrer | 1990-08-21 |
| 4947590 | Method for the precision working of crowned tooth flanks on particularly hardened gears | Josef Lohrer | 1990-08-14 |
| 4630402 | Apparatus for the manufacture or machining of straight or helically toothed workpieces | Manfred Erhardt, Herbert Loos, Josef Lohrer, Karl Schaeferling, Walter Freundl | 1986-12-23 |