SOCIETE ANONYME DITE: COMPAGNIE GENERALE D'ELECTRICITE

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Patent Activity in the Last 10 Years

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H01S DEVICES USING STIMULATED EMISSION191

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5038357 Gaseous flux laser deviceFeb 05, 76Aug 06, 91[H01S]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5284723 Electrochemical energy storage devices comprising electricaly conductive polymer and their usesExpiredJul 10, 92Feb 08, 94[H01M]
5245474 Electromagnetic filter deviceExpiredNov 20, 91Sep 14, 93[G02B]
5202009 Electrolyte solid polymer reticuleExpiredOct 26, 90Apr 13, 93[C25B]
5194714 Method and device for outside plasma deposition of hydroxyl ion-free silicaExpiredJun 05, 90Mar 16, 93[B23K]
5117930 Intervention vehicle for rough ground with supporting force sensorsExpiredOct 29, 90Jun 02, 92[B62D, B25J]
5116808 Tape based on a superconducting oxide, and method of manufactureExpiredMar 30, 90May 26, 92[B32B]
5111898 Variable configuration intervention vehicle for rough groundExpiredOct 29, 90May 12, 92[B62D]
5007016 Fractal-type periodic temporal signal generatorExpiredDec 21, 88Apr 09, 91[G06F]
4986629 Monomode optical fiber with protection against tapping of transmitted information, and a transmission method using said fiberExpiredAug 28, 89Jan 22, 91[G02B]
4965746 Recursive-type periodic temporal signal generatorExpiredDec 20, 88Oct 23, 90[H03K, G06F]
4959837 Doped optical fiber laser amplifierExpiredNov 13, 89Sep 25, 90[H01S]
4952225 Method of making an internally-doped tube of transparent glass, in particular for manufacturing rare-earth-doped optical fibersExpiredOct 14, 88Aug 28, 90[C03B]
4942566 Device for illuminating an auxiliary track of a motion picture filmExpiredJun 20, 88Jul 17, 90[G11B]
4929047 Method of manufacturing an optical fiber cable and a cable obtained by the methodExpiredOct 17, 88May 29, 90[G02B, B32B]
4916355 Generator for generating high energy electrons in a gasExpiredNov 10, 88Apr 10, 90[H01J]
4906370 Tangential filtration apparatusExpiredApr 27, 89Mar 06, 90[B01D]
4873695 Laser with discharge in a turbulent transverse flowExpiredJul 27, 88Oct 10, 89[H01S]
4864310 Adaptive antenna system for radio waves, in particular for microwavesExpiredApr 27, 88Sep 05, 89[H04B, H01Q]
4861979 Optical fiber multipoint measuring device with time multiplexingExpiredJun 01, 87Aug 29, 89[H01J]
4862100 Gas laser generatorExpiredMay 09, 84Aug 29, 89[H01S]

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