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L'AIR LIQUIDE

Overview
  • Total Patents
    16
About

L'AIR LIQUIDE has a total of 16 patent applications. Its first patent ever was published in 1998. It filed its patents most often in France and South Africa. Its main competitors in its focus markets chemical engineering, environmental technology and machine tools are LAIR LIQUIDE SA POUR LETUDE ET LEXPLOITATION DES PROCES GEORGES CLAUDE, Zhangjiagang furui hydrogen energy equipment co ltd and LINDES EISMASCHINEN AG.

Patent filings in countries

World map showing L'AIR LIQUIDEs patent filings in countries
# Country Total Patents
#1 France 11
#2 South Africa 5

Patent filings per year

Chart showing L'AIR LIQUIDEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Monereau Christian 2
#2 Cognard Marie 2
#3 Dubettier-Grenier Richard 2
#4 Moisan Michel 1
#5 Briand Francis 1
#6 Docquier Nicolas 1
#7 Berthelemot Anne 1
#8 Gueret Vincent 1
#9 Guerin Daniel 1
#10 Sandre Etienne 1

Latest patents

Publication Filing date Title
FR2913468A1 Gas mixture compressing method for e.g. steam reforming unit, involves drying gas mixture before compression to eliminate water molecules and obtain dry mix for specific value, where one pressure lies between other two pressures
FR2914287A1 Welding wire bobbin e.g. submerged arc welding wire bobbin, packing box, has cover jointly fixed to base or cased on base along zone with strip during transport or storage of box, where cover is disconnected and unfasten from base by user
FR2904576A1 Soudo-tig solder with metal transfer by drops and with controlled frequency
FR2903623A1 Method for laser-arc hybrid welding of aluminum metallic parts
FR2903482A1 Cryogenic fluid injection system for treating bulk products
FR2903478A1 Method for heating a charge, in particular aluminum
FR2902487A1 System for insulating a cryogenic reservoir, method of isolating the said reservoir
FR2898645A1 Multi-stage compressor, air separation apparatus comprising such a compressor and installation
FR2898066A1 METHOD OF DESTRUCTION OF EFFLUENTS
FR2880950A1 METHOD AND SYSTEM FOR MONITORING THE AIR QUALITY OF A MONITORED ROOM
FR2880328A1 Method and system for verifying the correct operation of an onboard oxygen production equipment for an aircraft