Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5765419 | Method and apparatus for a rolling of hollow articles | — | 1998-06-16 |
| 5546781 | Process for the production of a toothed rack via cold forming, the rack produced thereby, and an apparatus for practicing the process | — | 1996-08-20 |
| 5355706 | Process for the production of a hollow workpiece being profiled at least internally in a straight or helical manner relative to the workpiece axis | Daniel Deriaz | 1994-10-18 |
| 4796345 | Method of fabricating a rim gear, such as a starter rim gear made of sheet metal | — | 1989-01-10 |
| 4388818 | Method and apparatus for fabricating precision teeth | — | 1983-06-21 |
| 4307592 | Cold rolling method and cold rolling apparatus | — | 1981-12-29 |