Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924632 | Circular grinding machine | Rudolf Beyer, Lutz-Peter Heerdt | 1990-05-15 |
| 4780951 | Apparatus for changing tools in grinding machines and the like | Rudolf Beyer, Lutz-Peter Heerdt | 1988-11-01 |
| 4685251 | Apparatus for indexing turrets for tools in grinding machines and the like | Rudolf Beyer, Lutz-Peter Heerdt | 1987-08-11 |
| 4675976 | Grinding machine with facilities for storage of spare work holders and tools | Rudolf Beyer, Lutz-Peter Heerdt | 1987-06-30 |
| 4662118 | Grinding machine | Jurgen Brill | 1987-05-05 |
| 4644700 | Tailstock for universal grinding machines | Rudolf Beyer, Lutz-Peter Heerdt | 1987-02-24 |
| 4637144 | Apparatus for monitoring the diameters of crankpins during treatment in grinding machines | — | 1987-01-20 |