Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729171 | Cold forming by rolling of parts made of press sintered material | Claude Ladousse, Michel Cretin | 2004-05-04 |
| 5365763 | Device for shaping of helical fins on the outer wall of a tube | Michel Cretin | 1994-11-22 |
| 5339669 | Apparatus and process permitting the cold forming of grooves on the wall of a revolving part | Michel Cretin, Jean-Paul Lespour | 1994-08-23 |
| 4838066 | Process and a device for the production of grooves on a wall of revolution | Jean Poullain | 1989-06-13 |
| 4799372 | Process for forming helical screw threads having a flank with zero or negative inclination | Jean Poullain | 1989-01-24 |