Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11046608 | Optical fiber preform and method for manufacturing such optical fiber preform from a primary preform | Cedric Gonnet, Emmanuel Petitfrere, Olivier Delwal | 2021-06-29 |
| 8028545 | Method and apparatus for manufacturing low OH overcladding | Emmanuel Petitfrere, Cedric Gonnet | 2011-10-04 |
| 7854145 | Plasma torch for overcladding an optical fiber preform | Cedric Gonnet, Emmanuel Petitfrere | 2010-12-21 |
| 6792774 | Method of treating gaseous waste from an optical fiber preform fabrication unit | Cyril Gallardo | 2004-09-21 |
| 6149884 | Method of treating gaseous waste from a unit for manufacturing an optical fiber preform, in order to recover germanium therefrom | Andre Appriou, Gerard Lavanant | 2000-11-21 |