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QUARTZ & SILICE

Overview
  • Total Patents
    183
About

QUARTZ & SILICE has a total of 183 patent applications. Its first patent ever was published in 1922. It filed its patents most often in France, United Kingdom and Switzerland. Its main competitors in its focus markets machines, materials and metallurgy and electrical machinery and energy are VERRE FLUORE SA, PILKINGTON BROTHERS LTD and HERAEUS QUARZGLAS.

Patent filings per year

Chart showing QUARTZ & SILICEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guerder Pierre 8
#2 Ranson Andre 5
#3 Achener Claude 5
#4 Henri George 4
#5 Guibert Paul 3
#6 Quartz Silice 3
#7 Eyraud Lucien 2
#8 Thery Jeanine 2
#9 Aldebert Pierre 2
#10 Bouissou Claude 2

Latest patents

Publication Filing date Title
US5683812A Ceramifiable sizing composition for continuous inorganic yarns, yarns coated with this composition and process for sizing and heat treatment making use of this composition
WO9424505A1 Crucible
FR2686424A1 VERY RESISTANT SCINTILLATOR AND METHOD FOR MANUFACTURING SAME
EP0451001A1 Strontium and lanthanide mixed oxides and laser using single crystals of these oxides
US5015279A Apparatus for extracting spin cast fused silica objects
EP0376798A1 Oriented polydiacetylene layer
US4964902A Method of extracting spin cast fused silica
US4956134A Method of and apparatus for controlling the filling of a mold with a pulverulent refractory material
EP0229555A1 Ferro-electric materials composition
US4560247A Large bandwidth optical fibers
EP0085585A1 Multimode optical fibre with a large bandwidth
EP0054495A1 Optical waveguide with a fluor-doped core
US4367013A Preparation of semifinished product for manufacture of optical fibers
EP0011524A1 Method of producing boron carbide
GB1531623A Optical fibres
DE2625064A1 PROCESS FOR MELTING GLASS OF VERY HIGH PURITY, IN PARTICULAR FOR THE PRODUCTION OF FIBER OPTICS
GB1456268A Producing continuous tubes of silica
DE1646924B1 Method and device for coating a thread with graphite
GB1107877A Insulating mats or felts having improved thermal insulating properties
GB1069479A Heat insulating mats or felts having improved thermal insulating properties