L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude

France


 
Total IP 3,511
Total IP incl. subs 4,048 (+ 840 for subs)
Total IP Rank # 318
IP Activity Score 3.9/5.0    1,765
IP Activity Rank # 397
IP AS incl. subs 3.6/5.0    1,888
Stock Symbol
ISIN FR0000120073
Market Cap. 98.4B  (EUR)
Industry Chemicals
Sector Basic Materials
Dominant Nice Class Environmental control apparatus

Patents

Trademarks

1,171 73
4 85
2,006 61
111
 
Last Patent 2024 - Plant and process for producing ...
First Patent 1949 - Apparatus for gas-flushing molte...
Last Trademark 2024 - AIR LIQUIDE HEALTHCARE
First Trademark 1964 - AL

Subsidiaries

30 subsidiaries with IP (587 patents, 253 trademarks)

29 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 G/S Chemicals, namely, chloroethene, ethene, propene, butenes, butadiene, ethylene, propylene, benzen...
G/S Medical gas cylinders, Namely containers of metal for compressed medical gas, in particular Bottl...
G/S Gas injection devices [machines]; gas injection devices for water treatment [machines]; gas inje...
2023 G/S Gas and Gas mixtures for use in the following fields: Research, Science and Industry; Hydrogen. F...
G/S Métaux d'apport pour le soudage; fils, électrodes et baguettes métalliques pour le soudage, la mé...
G/S Filler metals for welding; wires, electrodes and rods of metal for welding, metallizing, brazing...
G/S Chemicals, gases and gas mixtures, in liquid or gaseous form intended for use in industry partic...
Invention Bipolar plate for fuel cell stack. The invention relates to a bipolar plate for a fuel cell stac...
G/S Compressors for gas compression; valves; regulators; expansion turbines; fluid separators; mechan...
Invention Process for producing low carbon hydrogen. Low carbon hydrogen will play a crucial role in decar...
Invention Distribution system for an item of equipment for treatment of solid material and item of equipmen...
G/S Compresseurs pour la compression de gaz ; vannes ; détendeurs ; turbines de détente ; séparateurs...
G/S compressors for gas compressing; Slide valves; Expansion valves; Expanders; Fluid separators; Mec...
G/S Compressors for gas compression; valves; pressure reducers [parts of machines]; expansion turbin...
Invention Cryogenic unit. The invention relates to a cryogenic unit comprising: a cryogenic tank; a recept...
Invention Plant and process for producing a carbon dioxide-depleted synthesis gas product by steam reformin...
Invention Installation and process for producing biomethane. The present invention relates to an installati...
Invention Device for protecting a device for supplying pressurised fluid. A device for supplying pressuris...
G/S Installation, entretien, maintenance et réparation d'appareils, instruments et dispositifs médica...
G/S Installation, servicing, maintenance and repair of medical apparatus, instruments and devices at...
Invention Catalytic electrode for fuel cell or electrolytic cell, and process for manufacturing said electr...
Invention Method for filling liquid cryogen trailers. At a liquid cryogen depot, gaseous cryogen from non-c...
Invention Installation and process for production of a cryogenic fluid. The invention relates to an instal...
Invention Process and plant for producing hydrogen-rich synthesis gas stream from a carbon-containing input...
Invention Gas based reduction in primary copper refining. 2424242422 ranges from 50% to 90%.
Invention Novel chelating and sterically encumbered ligands and their corresponding organometallic complexe...
G/S Analysis, checking, signaling, measuring, display apparatus and instruments for the distribution ...
G/S Apparatus and instruments for analysis, monitoring, signaling, measuring, visualization for the ...
Invention Method and system for filling tanks of hydrogen-fueled vehicles. Heat is transferred from a first...
Invention Low-temperature refrigeration device. The invention relates to a refrigeration device comprising ...
Invention Device and method for filling a pressurised-gas tank. The invention relates to a device (1) for f...
Invention Separation method. Method for producing a gas enriched in carbon dioxide from a feed synthesis ga...
Invention Air separation unit and air separation method. A method applied to an air separation unit A1 comp...
G/S Chemicals, gases and gas mixtures, in liquid or gaseous form intended for use in industry, parti...
Invention Process and plant for producing hydrogen by steam reforming of a hydrocarbon-containing feed gas....
Invention Shell-and-tube heat exchanger. The invention relates to a shell-and-tube heat exchanger (100) com...
Invention Process and apparatus for separating a feed flow containing hydrogen, carbon dioxide, and at leas...
Invention Multistage reactor for performing exothermic equilibrium reactions. The invention relates to a r...
Invention Liquefaction system and method for controlling turbine inlet temperature of liquefaction system. ...
Invention Method for heating a reformer with an ammonia-fired burner producing a stable flame. A method for...
Invention Methanol synthesis reactor. The invention relates to a methanol synthesis reactor for producing ...
Invention Apparatus with integrated condenser and separator. The invention relates to an apparatus for sep...
Invention Air separation unit and air separation method. The method for reducing or removing non-volatile ...
G/S Gas cylinders Treatment of materials, particularly gas cylinders
G/S Gases for medical use; gas mixtures for medical use; gases for medical diagnosis; gas mixtures f...
G/S Equipements de combustion pour fours de fusion pour la fabrication de verre et de métaux non ferr...
G/S Combustion equipment for smelting furnaces for the manufacture of glass and non-ferrous metals; b...
G/S Combustion equipment for smelting furnaces for the manufacture of glass and non-ferrous metals; ...
2022 G/S Rental of industrial and medical gas containers, supply (distribution) of industrial and medical...
G/S Combustion equipment for smelting furnaces used in the manufacture of glass and non-ferrous metal...
G/S Scientific, weighing, measuring, signaling and checking (supervision) apparatus and instruments;...
Invention Coated composite hollow fiber gas separation membranes with improved permeance and separation lay...
Invention Membrane permeate recycle with pressurized anaerobic digesters. A system for upgrading biogas th...
Invention Integrated system and method for methane production using off gas recycling to anaerobic digester...
Invention Method for filling liquid cryogen trailers. At a liquid cryogen depot, gaseous cryogen from non-...
G/S Apparatus, devices and installations for producing chemicals, including apparatus, devices and in...
G/S Appareils, dispositifs et installations pour la production de produits chimiques, y compris les a...
G/S Apparatus, devices and installations for producing chemicals, including apparatus, devices and i...
G/S Pre-recorded audio cassettes, discs and magnetic tapes; Pre-recorded video discs and cassettes; D...
Invention Method for converting an existing industrial unit to produce hydrogen from ammonia. A method for...
Invention Hydrogen production facility having equipment with a nitridation protective layer. A hydrogen pr...
Invention Gas separation membrane bundle with convertible flow configurations. A hollow fiber membrane bun...
G/S Industrial gases in liquid, gaseous or solid form; cryogenic fluids; nitrogen in liquid, gaseous...
G/S Gaz et mélanges de gaz, sous forme liquide ou gazeuse, destinés à l'industrie, la recherche, l'en...
G/S Gases and gas mixtures, in liquid or gas form, for use in industry, research, the environment an...
Invention Method for liquefying a stream rich in co2. In a method for liquefying a gas rich in carbon diox...
Invention Method and apparatus for separating a flow rich in carbon dioxide by distillation to produce liqu...
Invention Monitoring combustible matter in a gaseous stream. A method and device for monitoring combustibl...
Invention Device and method for liquefying a fluid such as hydrogen and/or helium. Disclosed is a device f...
Invention Device and method for refrigerating or liquefying a fluid. Disclosed is a device for refrigerati...
Invention Device and method for refrigeration or liquefaction of a fluid. Disclosed is a device for refrig...
Invention Emergency release and coupling device. Self-closing emergency release and coupling device for th...
Invention Emergency coupling and release device. Disclosed is a self-closing emergency coupling and releas...
Invention Method and apparatus for drying a flow rich in carbon dioxide. In a method for drying a first we...
2021 Invention Method for restarting an air separation unit. A method and apparatus for restarting an air separ...
G/S Oxygen for medical use; filled oxygen cylinders, for medical use. Apparatus for producing oxygen...
Invention Dilution refrigeration device and method. Dilution refrigeration device comprising a working cir...
G/S Commercial management services and commercial assistance services in the field of health; health...
G/S Consultation in the field of surface treatment of base metals and their alloys
G/S Pre-recorded audio magnetic tapes, discs and cassettes, all featuring music; pre-recorded video d...
G/S Pre-recorded audio magnetic tapes, discs and cassettes; pre-recorded video discs and cassettes; ...
G/S Gas production apparatus, devices and installations, namely, catalytic converters, and heat excha...
G/S Bandes magnétiques, disques et cassettes audio pré enregistrées; disques et cassettes vidéo pré e...
G/S Pre-recorded magnetic tapes, discs and audio cassettes; prerecorded video discs and cassettes; r...
G/S Business management and Business assistance in the field of health; Health care usage data manage...
2020 G/S Vending machines; Industrial robots; Machine tools. Software; Application software for robots; Co...
G/S Machines and mechanical equipment dedicated to gas, petroleum, chemical or petrochemical industry...
G/S Machines and mechanical equipment dedicated to gas, petroleum, chemical or petrochemical industr...
Invention Lithium precursors for deposition of lithium-containing layers, islets or clusters. Methods for ...
Invention Drive device, flying vehicle and method for cooling a motor. Disclosed is a drive device, in par...