Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373631 | Method for machining a radially symmetrical workpiece surface and a tool for performing the method | — | 1994-12-20 |
| 5349888 | Method for machining surfaces or revolution at workpieces and disk-shaped tool for performing same | — | 1994-09-27 |
| 5275072 | Center drive support for supporting a crank shaft during machining | Heinrich Bonfert, Werner Ott, Bernd Faigle | 1994-01-04 |
| 5230265 | Method for machine-cut working of workpieces with rotationally symmetrical surfaces, particularly of crankshafts and apparatus for carrying-out such a method | — | 1993-07-27 |
| 4995160 | Apparatus for machining axially symmetrical workpiece surfaces | — | 1991-02-26 |
| 4619565 | Milling machine, especially crankshaft milling machine | Heinrich Bonfert | 1986-10-28 |
| 4521143 | Crankshaft milling apparatus | — | 1985-06-04 |
| 4494281 | Crankshaft milling machine | — | 1985-01-22 |
| 4337011 | Crankshaft milling machine | — | 1982-06-29 |
| 4309134 | Crankshaft milling machine | — | 1982-01-05 |
| 4242020 | Milling tool, especially gang cutter | — | 1980-12-30 |