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LIGNES TELEGRAPH TELEPHON

Overview
  • Total Patents
    1,839
About

LIGNES TELEGRAPH TELEPHON has a total of 1,839 patent applications. Its first patent ever was published in 1927. It filed its patents most often in France, United States and Germany. Its main competitors in its focus markets electrical machinery and energy, telecommunications and optics are CHINA ELECTRONICS TECH GROUP CORP NO 23 RES INST, CABLES DE LYON GEOFFROY DELORE and NOKIA KAAPELI OY.

Patent filings per year

Chart showing LIGNES TELEGRAPH TELEPHONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pierrot Andre 94
#2 Ernyei Herbert 48
#3 Chiron Bernard 38
#4 Hulin Jean-Pierre 37
#5 Lescroel Yves 36
#6 Maniere Maurice 24
#7 Arnaud Maurice 23
#8 De Vecchis Michel 22
#9 Sabine Maurice 20
#10 Escher Balint 20

Latest patents

Publication Filing date Title
FR2589653A1 Device for implementing an accumulated low disparity code in high-speed digital transmission and coding method using such a device
FR2588670A1 Breaking head of a fiber optic cable
FR2588095A1 Head for laying optical fibers in alternate pitches of a cylindrical junk
FR2587126A1 Device for breaking a beam of optical fibers into unit optical fibers
FR2586822A1 Optical fiber reserve device, in particular for use in a fiber optic distributor.
FR2586827A1 Device for fast earthing a cable, such as an optical cable.
FR2586305A1 Bidirectional coupler for fibre-optic linkage
FR2585518A1 Connection device
FR2585139A1 Breaking head of a fiber optical or fiber harness cable
FR2583252A1 Method and device for filling in a paste with a writing apparatus for the production of electric circuits
FR2579856A1 Writing device and method for producing electrical circuits
FR2579330A1 Device for connecting and protecting splices of optical fiber line cables and method of implementing
FR2577688A1 Optical fiber distributor
CA1200083A Head for the simultaneous laying of optical fibers within a grooved cylindrical support
FR2577724A1 Method for pneumatically placing a rope in a sleeve and device for implementing it
FR2577051A1 Device for manufacturing wiring elements and simultaneous positioning head of optical fibers in a grooved cylindrical support for such a device
BG45709A3 Adaptor for signalling
FR2576463A1 Method of laying cable in sectional pipes and device for implementing same
FR2575890A1 Interactive method for consulting a television quality image bank through a server connected to an information transmission network and system for implementing the method
FR2575880A1 FREQUENCY DIVIDER