Learn more

QUARTZ & SILICE S A

Overview
  • Total Patents
    18
About

QUARTZ & SILICE S A has a total of 18 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United States and Germany. Its main competitors in its focus markets machines, materials and metallurgy and electrical machinery and energy are FIBRE OTTICHE SUD F O S S P A, BECKER FRANZ HEINRICH and JENA TECH GLAS INST.

Patent filings in countries

World map showing QUARTZ & SILICE S As patent filings in countries
# Country Total Patents
#1 United States 14
#2 Germany 4

Patent filings per year

Chart showing QUARTZ & SILICE S As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 George Henri J C 8
#2 Holmberg Karl Erik O 3
#3 Achener Claude 3
#4 George Jean-Claude 1
#5 Auvray Pierre 1
#6 Henri George 1
#7 De Rudnay Andre 1

Latest patents

Publication Filing date Title
DE2202494A1 Quartz glass elements with reduced deformation at elevated temperature and process for their manufacture
DE1796071A1 Threads of high mechanical strength and processes for their manufacture
DE1642509A1 Process and device for the intensive purification of water and other liquids
DE1596971A1 Process for the production of tubes, rods and other products from colored quartz glass and products manufactured according to the process
US3079507A Optical pyrometers
US3101256A Separation of hydrogen isotopes
US2960642A Dielectric films and capacitors employing the same
US3004064A Separation of nitrogen isotopes
US3050367A Separation of boron isotopes
US2929692A Process and apparatus for accelerating crystal growth
US2895839A Method of incorporating titanium into selectively transparent silica glass
US2897126A Vitreous silica and its manufacture
US2852891A Process and apparatus for the production of drawn articles of vitreous silica