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

France


Commandez votre montre hebdomadaire L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
Quantité totale PI 3 996
Quantité totale incluant filiales 4 471 (+ 817 pour les filiales)
Rang # Quantité totale PI 298
Note d'activité PI 3,9/5.0    1 815
Rang # Activité PI 374
Activité incl filiales 3,7/5.0    1 895
Symbole boursier
ISIN FR0000120073
Capitalisation 95.3B  (EUR)
Industrie Chemicals
Secteur Basic Materials
Classe Nice dominante Appareils de contrôle de l'envir...

Brevets

Marques

1 365 43
268 87
2 078 58
97
 
Dernier brevet 2026 - Integrated process of ammonia cr...
Premier brevet 1972 - Thermal cycle for the compressio...
Dernière marque 2025 - VITALAIRE
Première marque 1964 - AL

Filiales

29 subsidiaries with IP (607 patents, 210 trademarks)

30 subsidiaries without IP

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Industrie (Classification de Nice)

Derniers inventions, produits et services

2025 P/S Appareils médicaux; appareils médicaux pour le traitement de pathologies chroniques; appareils mé...
P/S Medical apparatus; medical apparatus for chronic condition treatment; medical respiratory-assist...
Invention Device and method for preparing high-purity hydrogen and/or oxygen by electrolysis of water. A d...
Invention Unit for separating a mixture of carbon monoxide, hydrogen and methane by cryogenic distillation....
Invention Method of forming dielectric films, new precursors and their use in the semi-conductor manufactur...
Invention Furnaces for melting particulate materials. The present application discloses a furnace for melt...
Invention Electrolyzer structure. The invention relates to a structure of an electrolyzer or redox battery...
Invention Process for preparing powder. A preparation process for preparing powder from a first material a...
Invention Integrated process of ammonia cracking and reverse water gas shift. Process for the production of...
Invention Process for purifying co2. Two streams containing CO2 with different purities are separated in a...
Invention Preparation of group iii and lanthanide element containing precursors and their application to va...
Invention Installation for storing and dispensing cryogenic fluid. The invention relates to an installatio...
Invention Cryogenic air separation equipment and method. The present invention provides a cryogenic air sep...
Invention Cryogenic etching using sof2 and its family. A cryogenic etching method for forming an aperture b...
Invention Method for checking a measurement of a filling flow rate of a pressurised tank. t)Pdispdisp Tdisp...
Invention Melting method using multiple impacting flames. The invention relates to a melting method, in wh...
Invention 12. 6122eq100 > 30.100 > 30.
Invention Melting method using multiple impacting flames. The melting method, wherein the unmelted charges...
P/S Gaz médicaux sous forme liquide ou gazeuse, à savoir oxygène, azote, argon, dioxyde de carbone, h...
Invention Gas-liquide separator with plates. A device for separating a gas flow and a liquid electrolyte f...
Invention Optimized filling of cryogenic tanks. A method for filling a cryogenic liquid receiving tank, th...
Invention Reactor for partial oxidation of carbonaceous feedstocks. The invention relates to a reactor, in...
Invention Optimized filling of cryogenic tanks. Method for filling a plurality of cryogenic liquid receivi...
Invention Liquid nitrogen generator and process. A process for producing liquid nitrogen utilizes a distill...
Invention Liquid nitrogen generator and process. A process for producing liquid nitrogen utilizes a distil...
Invention Method and apparatus for separating a mixture containing co2, at least one component lighter than...
Invention Process and apparatus for the production of ammonia synthesis gas. In a process for the producti...
Invention Refrigerator, liquefaction plant, and method. The invention relates to a cycle-gas refrigerator, ...
Invention Process for remote lox/lin production by hpair turbo expansion. A process for cryogenic air sepa...
Invention Pair of support plates for tubes in a reactor vessel. A device (1.1; 1.2) with a reactor vessel ...
Invention Support elements with support plates in a reactor vessel. A device (1.1;1.2) with a reactor vess...
Invention Tsa cycle with minimized losses. A method for purifying a TSA unit operating according to a cycle...
Invention Support plate for tubes in a reactor vessel. A device (1.1, 1.2) with a reactor vessel (2), a tu...
Invention Stabilized platinum fuel cell catalyst and preparation method thereof. The disclosure describes a...
Invention Plant and method for producing liquefied hydrogen. The invention relates to a plant and a method...
Invention Process for producing gas comprising hydrogen. The invention relates to a process (100) for produ...
Invention Method and apparatus for separating a mixture of co2 and nox by partial condensation. In a method...
Invention Facility and method for liquefying hydrogen. The invention relates to a facility and a method for...
Invention Refrigerator, facility including such a refrigerator, and refrigeration method. The invention rel...
Invention Refrigeration installation and method. The invention relates to a refrigeration installation and ...
Invention Cryogenic etching using carbon oxy halides. 33-CO-X, Y-(C=O)-X, R1xyzz-COF wherein X and Y each i...
Invention Method for liquefying a feed fluid at a cryogenic temperature. The invention relates to a plant f...
P/S Regulating and safety accessories for gas apparatus, namely, gas regulators for gas cylinders com...
2024 P/S Sublimated industrial chemicals for vapor deposition of thin layers and nanoparticles Analysis, c...
P/S Steam reforming installations comprised of reforming reactors, reforming ovens, reforming tubes, ...
P/S chemical products for etching semiconductors in the semiconductor industry, namely, semiconductor...
Invention Polymerization inhibitor composition and method of inhibiting polymerization of distillable disil...
P/S Chemical products in gaseous form and particularly air gases, chemical gases, special gases and ...
P/S Chemicals, namely, high purity gases and gas mixtures intended for use in research and analysis ...
P/S Produits chimiques pour l'industrie pour le dépôt par phase vapeur de couches minces pour des app...
P/S Chemical products for use in industry for vapor deposition of thin films for energy applications
P/S Apparatus and instruments for analysis, control, signaling, measurement and display for distribut...
P/S Industrial chemicals for gas deposition of thin films and nanoparticles
P/S Produits chimiques pour l'industrie pour le dépôt par voie gazeuse de couches minces et de nanopa...
P/S Compressed gases for industrial use, non-combustible industrial gases for constituting protectiv...
P/S Gas injection devices [machines]; gas injection devices for water treatment [machines]; gas inje...
P/S Chemicals, namely, chloroethene, ethene, propene, butenes, butadiene, ethylene, propylene, benzen...
P/S Medical gas cylinders, Namely containers of metal for compressed medical gas, in particular Bottl...
P/S Medical gas cylinder, namely, metal container for pressurized medical gas, particularly cylinder...
2023 P/S Métaux d'apport pour le soudage nommément cuivre en bobine pour le soudage; fils métalliques en m...
P/S Compressors for gas compression; pump control valves; turbines, other than for land vehicles, nam...
P/S Compresseurs pour la compression de gaz ; vannes ; détendeurs ; turbines de détente ; séparateurs...
P/S compressors for gas compressing; Slide valves; Expansion valves; Expanders; Fluid separators; Mec...
P/S Compressors for gas compression; valves; pressure reducers [parts of machines]; expansion turbin...
P/S Installation, entretien, maintenance et réparation d'appareils, instruments et dispositifs médica...
P/S Installation, servicing, maintenance and repair of medical apparatus, instruments and devices at...
P/S Analysis, checking, signaling, measuring, and display apparatus and instruments for the distribut...
P/S Apparatus and instruments for analysis, monitoring, signaling, measuring, visualization for the ...
Invention Method and installation for counting objects in a moving vehicle. Disclosed are a method and an ...
P/S Metal gas cylinders for compressed gas Treatment of materials, particularly gas cylinders, be mea...
Invention Method and apparatus for low-temperature separation of a gas containing co2 to produce a co2-rich...
Invention Separation method. A method for separating a feedstock gas by pressure swing adsorption which pr...
Invention Plant and method for producing biomethane. The invention relates to a plant and method for produ...
P/S Équipements de combustion nommément chambre de combustion pour fours de fusion pour la fabricatio...
P/S Treatment of materials by means of combustion processes for smelting furnaces for the manufacture...
Invention Double-walled liquefied gas storage tank. The invention relates to a double-walled storage tank ...
2022 P/S Rental of industrial and medical gas containers, supply (distribution) of industrial and medical...
P/S Combustion equipment for smelting furnaces used in the manufacture of glass and non-ferrous metal...
P/S Services for generating gas in liquid or gaseous form Apparatus, devices and installations for pr...
P/S Appareils, dispositifs et installations pour la production de produits chimiques, y compris les a...
P/S Pre-recorded audio cassettes, discs and magnetic tapes; Pre-recorded video discs and cassettes; D...
Invention Sidewall passivation layers and method of forming the same during high aspect ratio plasma etchin...
P/S Gaz et mélanges de gaz, sous forme liquide ou gazeuse, destinés à l'industrie, la recherche, l'en...
P/S Gases and gas mixtures, in liquid or gas form, for use in industry, research, the environment an...
P/S Gases for medical use; gas mixtures for medical use; gases for medical diagnosis; gas mixtures f...
2021 P/S Oxygen for medical use; filled oxygen cylinders, for medical use. Apparatus for producing oxygen...
P/S Commercial management services and commercial assistance services in the field of health; health...
P/S Consultation in the field of surface treatment of base metals and their alloys
P/S Telecommunications, namely, telecommunications access services; video telephone services, visual ...
P/S Pre-recorded audio magnetic tapes, discs and cassettes; pre-recorded video discs and cassettes; ...
P/S Gas production apparatus, devices and installations, namely, catalytic converters, and heat excha...
P/S Publication de textes publicitaires; relations publiques; location d'espaces publicitaires; étude...