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L AIR LIQUIDE SA POUR BR L ETU

Overview
  • Total Patents
    27
About

L AIR LIQUIDE SA POUR BR L ETU has a total of 27 patent applications. Its first patent ever was published in 1993. It filed its patents most often in EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, materials and metallurgy and environmental technology are BRITISH OXYGEN CO LTD, MESSER GRIESHEIM GMBH and WESTFALEN AG.

Patent filings in countries

World map showing L AIR LIQUIDE SA POUR BR L ETUs patent filings in countries
# Country Total Patents
#1 EPO (European Patent Office) 27

Patent filings per year

Chart showing L AIR LIQUIDE SA POUR BR L ETUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tarutani Kohei 2
#2 Villermet Alain 2
#3 Bertez Christophe 2
#4 Matile Olivier 2
#5 Kimura Masao 2
#6 Koenig Jacques 2
#7 Bodelin Pierre 2
#8 Barrey Lionel 1
#9 Renaudin Marie-Helene 1
#10 Dolle Pierre-Olivier 1

Latest patents

Publication Filing date Title
EP0807608A1 Process for repairing a furnace using an oxygen-fired auxiliary burner
EP0719978A2 A process for distributing ultra high purity gases with minimized corrosion