L'AIR LIQUIDE, SOCIÉTÉ ANONYME POUR L'ÉTUDE ET L'ÉXPLOITATION DES PROCÉDÉS GEORGES CLAUDE

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 409
 
 
 
B01D SEPARATION 32102
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1990
 
 
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 1252
 
 
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF1267
 
 
 
B61B RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR 109
 
 
 
A47B TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE 943
 
 
 
B21B ROLLING OF METAL 923
 
 
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 984
 
 
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 947

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0266,583 DISTRIBUTION DEVICE COMPRISING A DISTRIBUTOR WITH POLYGONAL CHANNELS AND CONTACTING ASSEMBLY COMPRISING SUCH A DISTRIBUTION DEVICEAug 20, 15Sep 21, 17[F28F, B01J, B01D]
2016/0030,774 FULL HOOD RESPIRATORJul 31, 15Feb 04, 16[A62B]
2016/0030,776 FULL HOOD RESPIRATORJul 31, 15Feb 04, 16[A62B, B64D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9915484 Method for producing a multilayer element having a protective coatingMar 17, 14Mar 13, 18[C23C, F28D, F28F, C22F]
9878278 Method of purifying hydrogen from a metal hydride storage systemApr 30, 16Jan 30, 18[F17C, B01D]
9878279 System for purifying hydrogen from a metal hydride storage systemApr 30, 16Jan 30, 18[F17C, B01D]
9878964 Process and plant for producing olefins from oxygenatesFeb 04, 14Jan 30, 18[C10G, C07C, B01J]
9868101 Exhaust system for a steam reformer and bearing thereforJul 31, 13Jan 16, 18[B01J, C01B]
9862632 Energy recovery from fumes from a melting furnace using a gas turbine and heat exchangersDec 05, 13Jan 09, 18[F25J, F23L, F27D, C03B, F02C, F23R]
9851102 Method and system for heat recovery from products of combustion and charge heating installation including the sameJul 31, 13Dec 26, 17[F23L, F27D, F23D]
9845725 Energy recovery from fumes from a melting furnace with a gas turbine and heat exchangersDec 05, 13Dec 19, 17[F23L, F27D, F27B, C03B, F02C]
9845916 Station and method for filling gas tanksMay 28, 14Dec 19, 17[F17C]
9845917 Gas filling method and stationMay 13, 14Dec 19, 17[F17C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0182,908 METHOD OF RECOVERYING A LOW CONCENTRATION GAS USING TWO MEMBRANE STAGES WITH A SECOND STAGE REFLUXAbandonedDec 30, 13Jul 02, 15[B01D]
2015/0183,175 MEMBRANES MADE FROM 6FDA, DETDA, AND DABA-BASED POLYMERSAbandonedDec 26, 13Jul 02, 15[C08G, B29D, B29C]
2015/0176,900 HYBRID OXY-COAL BURNER FOR EAF STEELMAKINGAbandonedDec 20, 13Jun 25, 15[F27D, F27B, C21C]
2015/0168,058 APPARATUS FOR PRODUCING LIQUID NITROGENAbandonedDec 17, 13Jun 18, 15[F25J]
2015/0089,949 CLOSED LOOP SUPERCRITICAL CARBON DIOXIDE POWER CYCLEAbandonedOct 01, 13Apr 02, 15[F01K]
2014/0216,101 Vehicle for the Refrigeration Transport of Products the Energy Consumption of which is Improved by Incorporating a Phase-Change Material into the Walls of the Vehicle BodyAbandonedAug 02, 12Aug 07, 14[F25D]
2014/0174,593 Method for Filling a Tank with Pressurized GasAbandonedJun 13, 12Jun 26, 14[F17C]

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