Societe Anonyme dite: Compagnie Generale d'Electricite
26Patents
0Active
26Granted
33Portfolio score
Filing activity: Jun 16, 1978 → Nov 13, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4959837A | Doped optical fiber laser amplifier | Electricity | 39 | Expired |
| US4220394A | Optical fibre connector | Physics | 36 | Expired |
| US4431718A | Electrochemical cell with a liquid negative electrode | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4242307A | Device for producing polycrystalline silicon | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4322261A | Method of manufacturing a solar cell panel | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4864310A | Adaptive antenna system for radio waves, in particular for microwaves | Electricity | 15 | Expired |
| US4495258A | Electrode of alkali metal compound for a secondary electrochemical cell, and a cell including such an electrode | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4332866A | Method of temperature regulation | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4952225A | Method of making an internally-doped tube of transparent glass, in particular for manufacturing rare-earth-doped optical fibers | Chemistry; Metallurgy | 10 | Expired |
| US4929047A | Method of manufacturing an optical fiber cable and a cable obtained by the method | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4309491A | Electric cell with a non-aqueous electrolyte | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4330869A | System of optical telephony | Electricity | 9 | Expired |
| US4986629A | Monomode optical fiber with protection against tapping of transmitted information, and a transmission method using said fiber | Physics | 5 | Expired |
| US4384840A | Apparatus for molding tubular parts by isostatic compression | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4869743A | Method of manufacturing an optical fiber using a preform obtained by collapsing a tube | Chemistry; Metallurgy | 5 | Expired |
| US4318876A | Method of manufacturing a dense silicon carbide ceramic | Chemistry; Metallurgy | 5 | Expired |
| US4861979A | Optical fiber multipoint measuring device with time multiplexing | Physics | 4 | Expired |
| US4381258A | Electronic cell with a non-aqueous electrolyte | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4317873A | Electric cell with a non-aqueous electrolyte | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4409292A | Vitreous material and semiconductor component incorporating same | Chemistry; Metallurgy | 2 | Expired |
| US4259617A | Device for producing an electric discharge in a flat-plate transmission line | Electricity | 2 | Expired |
| US4399230A | Method of plugging the ends of selected ducts and a paste for use in said method | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US4230780A | Sodium-sulphur electric cell | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4942566A | Device for illuminating an auxiliary track of a motion picture film | Physics | 1 | Expired |
| US4360576A | Lead accumulator | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.