Assignee

AIR LIQUIDE

FR2,089 patents

Top patents by PatentIndex Score

US6402813B2Jun 11, 2002

Process for purifying a gas by adsorption of the impurities on several active carbons

AIR LIQUIDE172 citations99

US7143606B2Dec 5, 2006

Integrated apparatus for generating power and/or oxygen enriched fluid, process for the operation thereof

AIR LIQUIDE89 citations98

US6202442B1Mar 20, 2001

Integrated apparatus for generating power and/or oxygen enriched fluid and process for the operation thereof

AIR LIQUIDE104 citations98

US6129335AOct 10, 2000

Flow rate regulation apparatus for an exhaust duct in a cylinder cabinet

AIR LIQUIDE167 citations98

US5975886ANov 2, 1999

Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams

AIR LIQUIDE124 citations98

US5475980ADec 19, 1995

Process and installation for production of high pressure gaseous fluid

AIR LIQUIDE107 citations98

US7255727B2Aug 14, 2007

Method for treating at least one feed gas mixture by pressure swing adsorption

AIR LIQUIDE60 citations97

US7192626B2Mar 20, 2007

Methods for producing silicon nitride films and silicon oxynitride films by thermal chemical vapor deposition

AIR LIQUIDE115 citations97

US6663805B1Dec 16, 2003

Process for making hollow fiber mixed matrix membranes

AIR LIQUIDE113 citations97

US6508860B1Jan 21, 2003

Gas separation membrane with organosilicon-treated molecular sieve

AIR LIQUIDE177 citations97

US5833447ANov 10, 1998

Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams

AIR LIQUIDE125 citations97

US5759237AJun 2, 1998

Process and system for selective abatement of reactive gases and recovery of perfluorocompound gases

AIR LIQUIDE101 citations97

US7482286B2Jan 27, 2009

Method for forming dielectric or metallic films

AIR LIQUIDE44 citations96

US7284362B2Oct 23, 2007

Integrated air separation and oxygen fired power generation system

AIR LIQUIDE133 citations96

US7064083B2Jun 20, 2006

Hexakis(monohydrocarbylamino)disilanes and method for the preparation thereof

AIR LIQUIDE48 citations96

US6626980B2Sep 30, 2003

Mixed matrix membranes incorporating chabazite type molecular sieves

AIR LIQUIDE103 citations96

US6550234B2Apr 22, 2003

Integrated air-separation/energy-generation process and plant for implementing such a process

AIR LIQUIDE58 citations96

US6241514B1Jun 5, 2001

Oxidant-driven dust recycling process and device for rotary kilns

AIR LIQUIDE77 citations96

US6171371B1Jan 9, 2001

Process and unit for producing oxygen by adsorption with a short cycle

AIR LIQUIDE100 citations96

US5679134AOct 21, 1997

Device and process for the separation of gas by adsorption

AIR LIQUIDE82 citations96

US5672195ASep 30, 1997

Process for the separation of mixtures of oxygen and of nitrogen employing an adsorbent with improved porosity

AIR LIQUIDE72 citations96

US5441559AAug 15, 1995

Rotatable device for the separation by adsorption of at least one constituent of a gaseous mixture

AIR LIQUIDE108 citations96

US5329776AJul 19, 1994

Process and apparatus for the production of gaseous oxygen under pressure

AIR LIQUIDE77 citations96

US5114683AMay 19, 1992

Thermal decomposition trap

AIR LIQUIDE421 citations96

US4022030AMay 10, 1977

Thermal cycle for the compression of a fluid by the expansion of another fluid

AIR LIQUIDE63 citations96

US7025804B2Apr 11, 2006

Method for separating hydrocarbon-containing gas mixtures using hydrocarbon-resistant membranes

AIR LIQUIDE62 citations95

US6604558B2Aug 12, 2003

Aircraft fuel inerting system for an airport

AIR LIQUIDE50 citations95

US6387212B1May 14, 2002

Process for obtaining fibers integral with calcium carbonate particles

AIR LIQUIDE91 citations95

US6287366B1Sep 11, 2001

Process for the production of oxygen by adsorption with transatmospheric pressure variation

AIR LIQUIDE65 citations95

US6273180B1Aug 14, 2001

Heat exchanger for preheating an oxidizing gas

AIR LIQUIDE55 citations95

US6083301AJul 4, 2000

Process for purifying inert fluids by adsorption on LSX zeolite

AIR LIQUIDE55 citations95

US6053966AApr 25, 2000

Absorbent having heterogeneous exchange factor and PSA process employing such an absorbent

AIR LIQUIDE74 citations95

US5851483ADec 22, 1998

Hygienic agent for use in hemodialysis

AIR LIQUIDE103 citations95

US5807615ASep 15, 1998

Method and device for forming an excited gaseous treatment atmosphere lacking electrically charged species used for treating metallic substrates

AIR LIQUIDE74 citations95

US5785741AJul 28, 1998

Process and system for separation and recovery of perfluorocompound gases

AIR LIQUIDE64 citations95

US5658370AAug 19, 1997

Process for the separation of nitrogen from a gaseous mixture by adsorption

AIR LIQUIDE60 citations95

US5651358AJul 29, 1997

Nitric oxide ventilation arrangement and method

AIR LIQUIDE106 citations95

US5176721AJan 5, 1993

Adsorber and process for the separation by adsorption

AIR LIQUIDE62 citations95

US5166950ANov 24, 1992

Process and apparatus for melting a furnace charge

AIR LIQUIDE113 citations95

US4969935ANov 13, 1990

Process for treating a gaseous mixture by adsorption

AIR LIQUIDE70 citations95

US4914271AApr 3, 1990

Arc working torch and machine, and cartridge for said torch

AIR LIQUIDE57 citations95

US4682005AJul 21, 1987

Plasma welding or cutting torch provided with a nozzle cartridge

AIR LIQUIDE69 citations95

US4567346AJan 28, 1986

Arc-striking method for a welding or cutting torch and a torch adapted to carry out said method

AIR LIQUIDE82 citations95

US6551860B2Apr 22, 2003

Systems and methods for application of substantially dry atmospheric plasma surface treatment to various electronic component packaging and assembly methods

AIR LIQUIDE59 citations94

Showing the top 50 of 2,089 patents by PatentIndex Score.

AIR LIQUIDE

Top patents by PatentIndex Score

Process for purifying a gas by adsorption of the impurities on several active carbons

Combined air separation natural gas liquefaction plant

Hexakis(monohydrocarbylamino) disilanes and method for the preparation thereof

Portable oxygen concentrator

Oxy-boost control in furnaces

Method for operating a boiler using oxygen-enriched oxidants

Integrated air separation process

Integrated apparatus for generating power and/or oxygen enriched fluid, process for the operation thereof

Integrated apparatus for generating power and/or oxygen enriched fluid and process for the operation thereof

Flow rate regulation apparatus for an exhaust duct in a cylinder cabinet

Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams

Process and installation for production of high pressure gaseous fluid

Method for treating at least one feed gas mixture by pressure swing adsorption

Methods for producing silicon nitride films and silicon oxynitride films by thermal chemical vapor deposition

Process for making hollow fiber mixed matrix membranes

Gas separation membrane with organosilicon-treated molecular sieve

Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams

Process and system for selective abatement of reactive gases and recovery of perfluorocompound gases

Method for forming dielectric or metallic films

Integrated air separation and oxygen fired power generation system

Hexakis(monohydrocarbylamino)disilanes and method for the preparation thereof

Mixed matrix membranes incorporating chabazite type molecular sieves

Integrated air-separation/energy-generation process and plant for implementing such a process

Oxidant-driven dust recycling process and device for rotary kilns

Process and unit for producing oxygen by adsorption with a short cycle

Device and process for the separation of gas by adsorption

Process for the separation of mixtures of oxygen and of nitrogen employing an adsorbent with improved porosity

Rotatable device for the separation by adsorption of at least one constituent of a gaseous mixture

Process and apparatus for the production of gaseous oxygen under pressure

Thermal decomposition trap

Thermal cycle for the compression of a fluid by the expansion of another fluid

Method for separating hydrocarbon-containing gas mixtures using hydrocarbon-resistant membranes

Aircraft fuel inerting system for an airport

Process for obtaining fibers integral with calcium carbonate particles

Process for the production of oxygen by adsorption with transatmospheric pressure variation

Heat exchanger for preheating an oxidizing gas

Process for purifying inert fluids by adsorption on LSX zeolite

Absorbent having heterogeneous exchange factor and PSA process employing such an absorbent

Hygienic agent for use in hemodialysis

Method and device for forming an excited gaseous treatment atmosphere lacking electrically charged species used for treating metallic substrates

Process and system for separation and recovery of perfluorocompound gases

Process for the separation of nitrogen from a gaseous mixture by adsorption

Nitric oxide ventilation arrangement and method

Adsorber and process for the separation by adsorption

Process and apparatus for melting a furnace charge

Process for treating a gaseous mixture by adsorption

Arc working torch and machine, and cartridge for said torch

Plasma welding or cutting torch provided with a nozzle cartridge

Arc-striking method for a welding or cutting torch and a torch adapted to carry out said method

Systems and methods for application of substantially dry atmospheric plasma surface treatment to various electronic component packaging and assembly methods