Compagnie Generale d'Electricite (Societe Anonyme)
96Patents
0Active
96Granted
38Portfolio score
Filing activity: Apr 12, 1974 → Jul 10, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4814575A | Method of surface-treating ceramic workpieces using a laser | Performing Operations; Transporting | 78 | Expired |
| US4050783A | Connector for an optical fibre link | Physics | 59 | Expired |
| US4556614A | Method of producing a polymer based solid electrolyte for an electrochemical cell | Electricity | 56 | Expired |
| US5194714A | Method and device for outside plasma deposition of hydroxyl ion-free silica | Chemistry; Metallurgy | 44 | Expired |
| US4745592A | Coherent photonic telecommunications system | Electricity | 43 | Expired |
| US3989567A | Connection method for two optical fibers having the same diameter | Physics | 38 | Expired |
| US4843059A | Superconductive mixed valence copper oxide, and method of making it | Electricity | 27 | Expired |
| US5202009A | Electrolyte solid polymer reticule | Electricity | 26 | Expired |
| US4037027A | Sodium-sulphur electric cell and method of forming same | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4670752A | Hard-wired circuit for handling screen windows | Physics | 21 | Expired |
| US4297420A | Electrode for a lead accumulator | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4117802A | Method and device for depositing a layer of glass on the inner wall of a tube | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4139679A | Rechargeable electrochemical system | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4683448A | High sensitivity interferential electro-optical modulator | Physics | 19 | Expired |
| US4182570A | Device for measuring a component of wind speed | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4385801A | Fibre-to-fibre connector including a component for joining it to an optical cable | Physics | 17 | Expired |
| US5284723A | Electrochemical energy storage devices comprising electricaly conductive polymer and their uses | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4161347A | Connector for an optical fibre link | Physics | 15 | Expired |
| US5090979A | Method of manufacturing an optical fiber preform having doped cladding | Emerging Cross-Sectional Technologies | 14 | Expired |
| US3963945A | Device for producing electrical pulses | Electricity | 14 | Expired |
| US4762687A | Means for forming a melt of a semiconductor material in order to make a crystalline element grow therein | Chemistry; Metallurgy | 14 | Expired |
| US4647376A | Device for removing the liquid phase from a suspension | Physics | 14 | Expired |
| US4478880A | Method of fabricating polycrystalline silicon strips | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4168352A | Poly (2-hydroxyethylmethacrylate) membranes for electrochemical use and the manufacture thereof | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4763009A | Method and apparatus for remotely measuring the distribution of a physico-chemical parameter in a medium | Physics | 13 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.