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Alain Drouart

AL Alcatel: 7 patents #83 of 2,861Top 3%
AO Alcatel Fibres Optiques: 2 patents #12 of 55Top 25%
Overall (All Time): #523,721 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6715321 Method of fabricating an optical fiber preform including outside deposition of silica, possibly doped silica Pierre Ripoche, 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 Benoit Gouez, Yves Lumineau, Pierre Ripoche, 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 Benoit Gouez, Yves Lumineau, Pierre Ripoche, Jean-Florent Campion 2002-11-12
6412310 Apparatus for gravity feeding powder to a plasma torch for manufacturing glass fiber performs Benoit Gouez, Pierre Ripoche 2002-07-02
6269663 Method of purifying silica and depositing on an optical fiber preform Benoit Gouez, Yves Lumineau, Pierre Ripoche, Jean-Florent Campion 2001-08-07
6202447 Method of making a glass fiber preform with adjusting a spacing while increasing acceleration of a starting glass powder Benoit Gouez, Pierre Ripoche 2001-03-20
6178779 Butt welding optical fiber preforms with a plasma torch Pierre Ripoche, Bernard Wurier 2001-01-30
5931984 Device for drawing down an optical fiber preform Max Matau, Pascal Mazabraud 1999-08-03
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 Benoit Gouez, Bernard Jouvenel, Yves Lumineau, Max Matau, Pierre Ripoche 1996-05-28
4676820 Optical waveguide fabrication method Christian Le Sergent 1987-06-30