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

France


Create a watch for L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
Total IP 4,008
Total IP incl. subs 4,487 (+ 816 for subs)
Total IP Rank # 295
IP Activity Score 3.9/5.0    1,867
IP Activity Rank # 364
IP AS incl. subs 3.7/5.0    1,953
Stock Symbol
ISIN FR0000120073
Market Cap. 95.3B  (EUR)
Industry Chemicals
Sector Basic Materials
Dominant Nice Class Environmental control apparatus

Patents

Trademarks

1,347 44
270 86
2,091 72
98
 
Last Patent 2025 - Process and apparatus for the pr...
First Patent 1972 - Thermal cycle for the compressio...
Last Trademark 2025 - ECO ORIGIN
First Trademark 1964 - AL

Subsidiaries

29 subsidiaries with IP (605 patents, 211 trademarks)

30 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Recovery of methane from solid digestates. Process for producing biogas from a digestate obtaine...
G/S Medical gases in liquid or gaseous form. Supply and distribution of medical gases in liquid or g...
G/S Gaz médicaux sous forme liquide ou gazeuse, à savoir oxygène, azote, argon, dioxyde de carbone, h...
Invention Facility and method for hydrogen refrigeration. Facility and method for hydrogen refrigeration, ...
Invention Process and apparatus for the production of ammonia synthesis gas. In a process for the producti...
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 Temperature control means in a waste heat boiler. Assembly comprising a reactor, a waste heat bo...
Invention Multistack electrolysis arrangement. An electrolysis system (1) having: a fir...
Invention Process for removing carbon dioxide from flue gas. The invention relates to a process for separat...
Invention Plant and method for producing liquefied hydrogen. The invention relates to a plant and a method...
Invention Apparatus for performing an endothermic reaction of a gas feed. Apparatus for the endothermic re...
Invention Method and apparatus for separating a mixture of co2 and nox by partial condensation. In a method...
Invention Gas/liquid mixer via dilution and division. Device for mixing a gas into a liquid, implementing ...
Invention Method for capturing co2 from a mixture containing at least carbon dioxide, at least 1 mol% oxyge...
Invention Facility for producing a cryogenic fluid. The invention relates to a facility for producing a cry...
Invention Method and apparatus for separating a mixture containing co2 by partial condensation. In a method...
Invention New method for producing a composite tank and new composite tank produced by this method. A meth...
Invention Facility for storing and/or producing cooled/liquefied hydrogen and activation and/or regeneratio...
Invention Air separation unit. An air separation unit including: a main heat exchanger, a medium-pressure ...
Invention Processing method, processing device, program, and high-purity raw material composition. The pres...
Invention Method and system for heating a reformer with an ammonia-fired burner producing a stable flame. ...
Invention Apparatus for producing hydrogen, from a feedstock stream. The invention relates to an apparatus ...
Invention System and method of generating singlet oxygen for water purification. A system for generating si...
Invention Method and installation for liquefying hydrogen. The invention relates to a method and an install...
Invention Method and facility for the oxygen-enrichment of water used for animal watering or for irrigation...
Invention Air separation unit. An air separation unit may include: a main heat exchanger 1, a first rectif...
Invention Oxygen liquefaction process. An oxygen liquefaction apparatus may include a heat exchanger that ...
Invention Method for liquefying a feed fluid at a cryogenic temperature. The invention relates to a plant f...
Invention Co2 capture method and system. The invention relates to a method for separating a gaseous mixture...
Invention Method and system for co2 capture with separation via partial condensation and/or distillation an...
Invention Method and device for transferring cryogenic fluid. The invention relates to a method and a devi...
Invention Process and apparatus for the separation of a gaseous mixture including carbon dioxide and at lea...
Invention Hydrogen recycling unit for high pressure gas quenching. The present invention discloses a quenc...
Invention Installation and method for storing and distributing cryogenic fluid. The invention relates to a...
Invention Cryogenic fluid production facility and method for starting such a facility. The invention relate...
Invention Apparatus for compressing cryogenic fluid and filling system. The invention relates to an apparat...
G/S Regulating and safety accessories for gas apparatus, namely cap and expansion valve for gas cylin...
G/S Medical gas cylinders, namely, metal containers for medical air or pressurized medical gas, part...
2024 G/S Sublimated industrial chemicals for vapor deposition of thin layers and nanoparticles Analysis, c...
G/S Sublimated industrial chemicals for vapor deposition of thin layers and nanoparticles. Analysis,...
Invention Method for producing hydrogen product. Method for producing a hydrogen product from ammonia, comp...
Invention Facility and method for liquefying a cryogenic fluid. The invention relates to a facility and a m...
Invention Fuel cell assembly. The invention relates to a fuel cell assembly (26) comprising a first fuel ce...
G/S Steam reforming installations comprised of reforming reactors, reforming ovens, reforming tubes, ...
G/S chemical products for etching semiconductors in the semiconductor industry, namely, semiconductor...
G/S Chemical products in gaseous form and particularly air gases, chemical gases, special gases and ...
G/S Chemicals, namely, high purity gases and gas mixtures intended for use in research and analysis ...
G/S Produits chimiques pour l'industrie pour le dépôt par phase vapeur de couches minces pour des app...
G/S Chemical products for use in industry for vapor deposition of thin films for energy applications
G/S Construction and repair, in particular maintenance of gas supply, distribution, treatment and pr...
G/S Apparatus and instruments for analysis, control, signaling, measurement and display for distribut...
G/S Apparatus and instruments for analysis, control, signaling, measurement and display for distribu...
G/S Industrial chemicals, namely gases and gas mixtures for welding and flame cutting.
G/S Industrial chemicals for gas deposition of thin films and nanoparticles
G/S Industrial chemicals for gas deposition of thin films and nanoparticles.
G/S Produits chimiques pour l'industrie pour le dépôt par voie gazeuse de couches minces et de nanopa...
G/S Compressed gases for industrial use, non-combustible industrial gases for constituting protectiv...
G/S Gas injection devices [machines]; gas injection devices for water treatment [machines]; gas inje...
G/S Chemicals, namely, chloroethene, ethene, propene, butenes, butadiene, ethylene, propylene, benzen...
Invention Fluorination of ancillary ligands of group (iii) precursors and their applications in vapor depos...
G/S Medical gas cylinders, Namely containers of metal for compressed medical gas, in particular Bottl...
G/S Medical gas cylinder, namely, metal container for pressurized medical gas, particularly cylinder...
Invention Integration of solid oxide electrolysis cells (soec) and oxygen purificator to enhance high tempe...
2023 G/S Métaux d'apport pour le soudage nommément cuivre en bobine pour le soudage; fils métalliques en m...
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 Respiratory protection hood
G/S Compressors for gas compression; pump control valves; turbines, other than for land vehicles, nam...
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...
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...
G/S Analysis, checking, signaling, measuring, and display apparatus and instruments for the distribut...
G/S Apparatus and instruments for analysis, monitoring, signaling, measuring, visualization for the ...
G/S Chemicals, gases and gas mixtures, in liquid or gaseous form intended for use in industry, parti...
G/S Metal gas cylinders for compressed gas Treatment of materials, particularly gas cylinders, be mea...
G/S Gases for medical use; gas mixtures for medical use; gases for medical diagnosis; gas mixtures f...
Invention Separation method. A method for separating a feedstock gas by pressure swing adsorption which pr...
G/S Équipements de combustion nommément chambre de combustion pour fours de fusion pour la fabricatio...
G/S Treatment of materials by means of combustion processes for smelting furnaces for the manufacture...
G/S Combustion equipment for smelting furnaces for the manufacture of glass and non-ferrous metals; ...
Invention Method for producing nickel-rich cathode active material and method for producing cathode electro...
Invention Process and facility for regulation the amount of oxygen supplied to animal drinking water. The ...
Invention Double-walled liquefied gas storage tank. The invention relates to a double-walled storage tank ...
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;...
G/S Services for generating gas in liquid or gaseous form Apparatus, devices and installations for pr...
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...
Invention Device for storing and supplying cryogenic fluid, in particular liquefied hydrogen. A device for...