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L AIR LIQUIDE SOC

Overview
  • Total Patents
    44
About

L AIR LIQUIDE SOC has a total of 44 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States, Germany and France. Its main competitors in its focus markets chemical engineering, materials and metallurgy and environmental technology are SANTA FE BRAUN INC, CEDERBERG IVAR WALFRID and NITROGEN ENGINEERING CORP.

Patent filings in countries

World map showing L AIR LIQUIDE SOCs patent filings in countries

Patent filings per year

Chart showing L AIR LIQUIDE SOCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eugene Jordan 4
#2 Georges Claude 3
#3 Le Rouge Jean 3
#4 Air Liquide Societe L 3
#5 Picard Charles 1
#6 Leroux Bertrand 1
#7 Claude Georges 1
#8 Recourt Patrick Jean-Marie 1
#9 Tromeur Pascal 1
#10 Hartmann Fortunat 1

Latest patents

Publication Filing date Title
US1621311A Manufacture of fertilizers
US1602535A Separation of gaseous mixtures
US1544010A Generator of electric current
US1574425A Separation of gaseous mixtures by liquefaction and rectification and apparatus therefor
US1626345A Method of separating gaseous mixtures
US1638005A Process of separation of the elements of air or of other gaseous mixtures by liquefaction and rectification
US1621728A Tray for gas and liquid contact apparatus
US1425019A Means for cooling a gas
US1511800A Manufacture of hydrogen by partial liquefaction of gaseous mixtures
US1501436A Synthesis of ammonia
US981748A Liquefaction of air and its separation into its constituents.
GB190725658A Improvements in or relating to Temperature Exchangers.
GB190720349A Improvements relating to the Separation of the Constituents of Gaseous Mixtures and particularly of AtmospherYic Air.
GB190711710A Improvements relating to the Purification of Air or other Gases.
GB190703302A Improvements relating to the Separation of Gases from their Mixtures and particularly the Separation of the Constituents of Atmospheric Air.
GB190629733A Improvements in and relating to the Liquefaction of Atmospheric and other Gases.
GB190626799A Improvements in Blow Pipes.
GB190526435A Improvements in the Liquefying of Atmospheric Air in Several Portions Differing in Composition.
CA309314A Gas container
CA770028A Material exchange column