Alcatel Fibres Optiques
33Patents
0Active
33Granted
36Portfolio score
Filing activity: Feb 1, 1991 → Feb 19, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5522007A | Method of building up an optical fiber preform by plasma deposition, and an optical fiber obtained from the preform built up by the method | Chemistry; Metallurgy | 46 | Expired |
| US5183489A | Method of making multi-ferrules having a series of channels with parallel axes | Physics | 29 | Expired |
| US5123068A | Integrated optical component and method of manufacture | Physics | 23 | Expired |
| US5676863A | Induction plasma torch | Electricity | 18 | Expired |
| US5188268A | Device for cutting an optical fiber obliquely | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5218184A | Arc fusion splicer for optical fibers utilizing low and high accuracy displacement means | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5192350A | Method of flame finishing optical fiber preforms | Chemistry; Metallurgy | 16 | Expired |
| US5944867A | Method of manufacturing a multi-core optical fiber | Chemistry; Metallurgy | 15 | Expired |
| US5613023A | Method of modifying the longitudinal distribution of the pitch of a diffraction grating, and a method of making such a grating in an optical waveguide | Physics | 14 | Expired |
| US5659649A | Dispersion-shifted monomode optical fiber | Physics | 14 | Expired |
| US5618325A | Method of manufacturing a multi-component glass cylindrical part in the form of a tube and/or rod | Chemistry; Metallurgy | 12 | Expired |
| US5993899A | Optical fiber preform and its fabrication process | Chemistry; Metallurgy | 12 | Expired |
| US5113460A | Optical device having an integrated optical component, and method of manufacture | Physics | 9 | Expired |
| US5151966A | Optical fiber suitable for use in optical time domain reflectometry and method of manufacturing it | Chemistry; Metallurgy | 8 | Expired |
| US5970083A | Device for injecting non-oxidizing gas into a furnace | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5931984A | Device for drawing down an optical fiber preform | Chemistry; Metallurgy | 8 | Expired |
| US5970750A | Method of making a fiber preform including a surface treatment to consolidate condensed material on the preform | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5661553A | Method of detecting variation in the diameter of an optical fiber and optical fiber fabrication method | Physics | 6 | Expired |
| US5979189A | Method of separating and glazing an optical fiber preform | Chemistry; Metallurgy | 6 | Expired |
| US5676724A | Method of improving the geometrical shape of a tube used for making a preform by selectively etching the bore of the tube | Chemistry; Metallurgy | 6 | Expired |
| US6007786A | Device for doping silica powder | Chemistry; Metallurgy | 5 | Expired |
| US6196028A | Apparatus for controlling the sag of a preform in an installation | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5418467A | Apparatus and method of checking the thickness and uniformity of a coating deposited on an elongated insulating body using a condenser sensor as part of a resonant electrical circuit | Physics | 5 | Expired |
| US5792233A | Method of manufacturing a multi-core optical fiber | Chemistry; Metallurgy | 3 | Expired |
| US5236536A | Apparatus for surface treatment by corona discharge | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.