ClassID:

160017

F25J1/0017 - CPC Classification

Classification description:

Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied; Primary atmospheric gases, e.g. air Oxygen

Recent Application in this class:
#1
20260029192
2026-01-29

COOLING FACILITY AND METHOD

#2
20250297802
2025-09-25

SYSTEM AND METHOD FOR THE PRODUCTION AND SUPPLY OF A DENSIFIED LIQUID OXYGEN PRODUCT

#3
20250257940
2025-08-14

OXYGEN LIQUEFACTION PROCESS

#4
20250189216
2025-06-12

METHOD AND SYSTEM FOR PROVIDING GASEOUS COMPRESSED OXYGEN

#5
20240369293
2024-11-07

APPARATUS AND PROCESS FOR OXYGEN RECOVERY

#6
20240318906
2024-09-26

HYDROGEN LIQUEFACTION SYSTEM AND HYDROGEN LIQUEFACTION METHOD

#7
20240288218
2024-08-29

METHOD FOR PRODUCTION AND SUPPLY OF A DENSIFIED LIQUID OXYGEN PRODUCT FOR SPACE VEHICLE APPLICATIONS

#8
20240230221
2024-07-11

SYSTEM AND METHOD FOR CO-PRODUCTION OF A DENSIFIED LIQUID OXYGEN PRODUCT AND DENSIFIED LIQUID METHANE PRODUCT

#9
20240230220
2024-07-11

SYSTEM AND METHOD FOR COMBINED LIQUEFACTION AND DENSIFICATION OF OXYGEN

#10
20240230218
2024-07-11

SYSTEM AND METHOD FOR DENSIFICATION OF LIQUID OXYGEN

#11
20240060717
2024-02-22

SYSTEM FOR STORING AND PRODUCING ENERGY TO STABILIZE THE POWER NETWORK

#12
20230314069
2023-10-05

FLEXIBLE ASU FOR VARIABLE ENERGY COST

#13
20230228463
2023-07-20

COOLING SYSTEM, AIR-CONDITIONING SYSTEM, MOTOR ASSEMBLY AND ASSOCIATED METHODS

#14
20230092115
2023-03-23

Device and method for recovering by-product oxygen of hydrogen production from electrolyzed water by low-temperature method

#15
20230082208
2023-03-16

OXYGEN LIQUEFIER DESIGN PHASING

#16
20230068126
2023-03-02

Flexible process and apparatus for the liquefaction of oxygen

#17
20220099364
2022-03-31

OFFSHORE LIQUEFACTION PROCESS WITHOUT COMPRESSION

#18
20220034584
2022-02-03

LARGE LIQUID OXYGEN AND LIQUEFIED NATURAL GAS PRODUCTION PROCESS

#19
20210270522
2021-09-02

Water electrolysis and cryogenic liquefaction system

#20
20210164729
2021-06-03

Apparatus and process for liquefying gases

#21
20210123671
2021-04-29

METHOD AND APPARATUS FOR SEPARATING AIR BY CRYOGENIC DISTILLATION

#22
20210080171
2021-03-18

High-purity oxygen production system

#23
20200333050
2020-10-22

Refrigeration cycle for liquid oxygen densification

#24
20190360747
2019-11-28

Industrial and hydrocarbon gas liquefaction

#25
20190032995
2019-01-31

Liquiefying a gaseous medium

#26
20190032854
2019-01-31

Liquiefying a gaseous medium

#27
20180335256
2018-11-22

Apparatus and process for liquefying gases

#28
20180202690
2018-07-19

Refrigeration cycle for liquid oxygen densification

#29
20170089636
2017-03-30

METHOD OF NITROGEN GAS RECOVERY FROM GAS VENTS

#30
20170000544
2017-01-05

N2O liquefaction system with subcooling heat exchanger for medical device

#31
20160356545
2016-12-08

GAS LIQUEFACTION METHOD AND SYSTEM

#32
20160282042
2016-09-29

Industrial and hydrocarbon gas liquefaction

#33
20160003525
2016-01-07

System and method for liquefying a fluid and storing the liquefied fluid

#34
20150192065
2015-07-09

PROCESS AND APPARATUS FOR GENERATING ELECTRIC ENERGY

#35
20150114036
2015-04-30

AIR SEPARATION COLUMN LOW-DENSITY SOLID-STATE INSULATION PATENT

#36
20140087102
2014-03-27

AIR SEPARATION COLUMN LOW-DENSITY SOLID-STATE INSULATION PATENT

#37
20140008829
2014-01-09

Device and method for extrusion of a solid body

#38
20140000289
2014-01-02

Defroster for oxygen liquefier

#39
20130019632
2013-01-24

CONTROLLING A OXYGEN LIQUEFACTION SYSTEM RESPONSIVE TO A DISTURBANCE IN SUPPLIED POWER

#40
20130008204
2013-01-10

Refrigeration process

#41
20120192590
2012-08-02

System and method for liquefying and storing a fluid

#42
20120180988
2012-07-19

MOVING THERMAL BED TO TIME SHIFT LIQUIFACTION AND VAPORIZATION

#43
20120180901
2012-07-19

SYTEM AND METHOD FOR LIQUEFYING AND STORING A FLUID

#44
20120180900
2012-07-19

SYTEM AND METHOD FOR LIQUEFYING AND STORING A FLUID

#45
20120180899
2012-07-19

SYTEM AND METHOD FOR LIQUEFYING A FLUID AND STORING THE LIQUEFIED FLUID

#46
20120180520
2012-07-19

System and method for liquefying and storing a fluid

#47
20120103314
2012-05-03

Split cycle reciprocating piston engine

#48
20110239698
2011-10-06

Liquid oxygen production device and method

#49
20110120185
2011-05-26

METHODS FOR PRODUCING STERILE CRYOGENIC FLUIDS

#50
20100281917
2010-11-11

Apparatus and Method for Condensing Contaminants for a Cryogenic System

#51
20090194996
2009-08-06

Water combustion technology - methods, processes, systems and apparatus for the combustion of Hydrogen and Oxygen

#52
20090193781
2009-08-06

Water combustion technology- methods, processes, systems and apparatus for the combustion of hydrogen and oxygen

#53
20090020015
2009-01-22

Device for supplying domiciliary and ambulatory oxygen

#54
20090019886
2009-01-22

Method and Apparatus for liquefaction of a Gas

#55
20090000314
2009-01-01

Apparatus and method for rapidly freezing small objects

#56
20080120982
2008-05-29

Liquefying and storing a gas

#57
20080016907
2008-01-24

Active gas regenerative liquefier system and method

#58
20060260327
2006-11-23

APPARATUS AND METHOD FOR RAPIDLY FREEZING SMALL OBJECTS

#59
20060213222
2006-09-28

Compact, modular method and apparatus for liquefying natural gas

#60
20060130519
2006-06-22

Small-scale gas liquefier

#61
20060086102
2006-04-27

Liquefying and storing a gas

#62
20060086099
2006-04-27

Liquefying and storing a gas

#63
20060000223
2006-01-05

Desiccant cartridge

#64
20050198958
2005-09-15

Water combustion technology—methods, processes, systems and apparatus for the combustion of hydrogen and oxygen

#65
20050091991
2005-05-05

System and method for storing gases at low temperature using a cold recovery system

#66
17558524
2025-12-09

Apparatus and process for liquefying gases