Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7290408 | Apparatus for supporting a preform having a supporting core | Patrick Humbert, Joël Landi, Jacques Goudeau | 2007-11-06 |
| 7132620 | Inductive thermal plasma torch | Daniel Coelho, Jean-Pascal Dumont-Monnet | 2006-11-07 |
| 6715321 | Method of fabricating an optical fiber preform including outside deposition of silica, possibly doped silica | Alain Drouart, Benoit Gouez | 2004-04-06 |
| 6631628 | Method of purifying natural or synthetic silica, and application thereof to depositing purified natural or synthetic silica on an optical fiber preform | Alain Drouart, Benoit Gouez, Yves Lumineau, Jean-Forent Campion | 2003-10-14 |
| 6477864 | Method of purifying natural or synthetic silica, and application thereof to depositing purified natural or synthetic silica on an optical fiber preform | Alain Drouart, Benoit Gouez, Yves Lumineau, Jean-Florent Campion | 2002-11-12 |
| 6474105 | Modulating a diameter-increasing step of a fiber preform with no modulation prior to a predetermined diameter | Benoit Gouez | 2002-11-05 |
| 6412310 | Apparatus for gravity feeding powder to a plasma torch for manufacturing glass fiber performs | Alain Drouart, Benoit Gouez | 2002-07-02 |
| 6269663 | Method of purifying silica and depositing on an optical fiber preform | Alain Drouart, Benoit Gouez, Yves Lumineau, Jean-Florent Campion | 2001-08-07 |
| 6215092 | Plasma overcladding process and apparatus having multiple plasma torches | Jacques Goudeau, Patrick Humbert | 2001-04-10 |
| 6202447 | Method of making a glass fiber preform with adjusting a spacing while increasing acceleration of a starting glass powder | Alain Drouart, Benoit Gouez | 2001-03-20 |
| 6196028 | Apparatus for controlling the sag of a preform in an installation | Patrick Humbert, Joël Landi, Jacques Goudeau | 2001-03-06 |
| 6178779 | Butt welding optical fiber preforms with a plasma torch | Alain Drouart, Bernard Wurier | 2001-01-30 |
| 5676863 | Induction plasma torch | Bernard Jouvenel | 1997-10-14 |
| 5522007 | Method of building up an optical fiber preform by plasma deposition, and an optical fiber obtained from the preform built up by the method | Alain Drouart, Benoit Gouez, Bernard Jouvenel, Yves Lumineau, Max Matau | 1996-05-28 |