ClassID:

160401

F25J2215/10 - CPC Classification

Classification description:

Processes characterised by the type or other details of the product stream Hydrogen

Recent Application in this class:
#1
20260092734
2026-04-02

Method of Hydrogen Liquefaction Using Optimized Claude Refrigeration Cycles

#2
20260002730
2026-01-01

UNIT FOR SEPARATING A MIXTURE OF CARBON MONOXIDE, HYDROGEN AND METHANE BY CRYOGENIC DISTILLATION

#3
20250305763
2025-10-02

PLANT AND METHOD FOR PRODUCING LIQUEFIED HYDROGEN

#4
20250271208
2025-08-28

PROCESS AND PLANT FOR PROVIDING A NITROGEN PRODUCT, AN OXYGEN PRODUCT AND A HYDROGEN PRODUCT

#5
20250244075
2025-07-31

HYDROGEN COOLING

#6
20250207732
2025-06-26

SYSTEM FOR TRANSFORMING A PRODUCT

#7
20250180285
2025-06-05

INSTALLATION AND METHOD FOR PRODUCING LIQUEFIED HYDROGEN

#8
20250060154
2025-02-20

System and Method for Turndown of a Hydrogen Precooling and/or Hydrogen Liquefaction System

#9
20240426429
2024-12-26

FACILITY AND METHOD FOR SUPPLYING LIQUEFIED HYDROGEN

#10
20240418437
2024-12-19

Method of Hydrogen Liquefaction Using Optimized Claude Refrigeration Cycles

#11
20240279825
2024-08-22

APPARATUS AND PROCESS FOR ABSORPTION CHILLER UTILIZATION FOR ENVIRONMENTALLY FRIENDLY HYDROGEN PRODUCTION

#12
20240255219
2024-08-01

PROCESS FOR COOLING A GAS BY MEANS OF A REFRIGERATION CYCLE

#13
20230332833
2023-10-19

Process for Producing Liquefied Hydrogen

#14
20230324115
2023-10-12

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#15
20230322549
2023-10-12

METHODS AND SYSTEMS FOR CRYOGENICALLY SEPARATING CARBON DIOXIDE AND HYDROGEN FROM A SYNGAS STREAM

#16
20230304733
2023-09-28

Method for producing high purity hydrogen

#17
20230304732
2023-09-28

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#18
20230249119
2023-08-10

METHOD FOR PRODUCING HIGH PURITY HYDROGEN

#19
20230228485
2023-07-20

Photoelectric hydrogen production energy storage and cold energy recovery coupled dry ice production device and use method

#20
20230213278
2023-07-06

APPARATUS FOR PRECOOLING HYDROGEN FOR LIQUEFACTION USING EXTERNAL LIQUID NITROGEN AND HIGH PRESSURE GASEOUS NITROGEN

#21
20230213273
2023-07-06

INTEGRATED INDUSTRIAL UNIT

#22
20230160633
2023-05-25

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#23
20230147955
2023-05-11

Hydrogen Liquefaction with Stored Hydrogen Refrigeration Source

#24
20230050081
2023-02-16

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#25
20230009727
2023-01-12

METHOD FOR LARGE HYDROGEN LIQUEFACTION SYSTEM

#26
20220357103
2022-11-10

Plant and method for liquefying gas

#27
20220316798
2022-10-06

ETHANE SEPARATION WITH CRYOGENIC HEAT EXCHANGER

#28
20220260312
2022-08-18

PROCESS AND PLANT FOR LOW-TEMPERATURE FRACTIONATION OF AIR

#29
20220205714
2022-06-30

METHOD FOR EFFICIENT COLD RECOVERY IN O2-H2 COMBUSTION TURBINE POWER GENERATION SYSTEM

#30
20220099366
2022-03-31

Active magnetic regenerative processes and systems employing hydrogen as heat transfer fluid and process

#31
20220065161
2022-03-03

LIQUID NATURAL GAS PROCESSING WITH HYDROGEN PRODUCTION

#32
20220065160
2022-03-03

LIQUID NATURAL GAS PROCESSING WITH HYDROGEN PRODUCTION

#33
20220018597
2022-01-20

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#34
20210341224
2021-11-04

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#35
20210331917
2021-10-28

Nitrogen process for production of ammonia and liquid hydrogen

#36
20210190420
2021-06-24

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#37
20210088278
2021-03-25

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#38
20210041165
2021-02-11

Method and system for liquifying a gas

#39
20200355428
2020-11-12

METHOD FOR SYNTHESIS GAS PURIFICATION

#40
20200141640
2020-05-07

Integration of hydrogen liquefaction with gas processing units

#41
20200018544
2020-01-16

HIGH-PRESSURE DENSITY-DRIVEN SEPARATION

#42
20190137172
2019-05-09

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#43
20190063824
2019-02-28

Production equipment and production method of liquefied hydrogen and liquefied natural gas

#44
20180347897
2018-12-06

Large-scale hydrogen liquefaction by means of a high pressure hydrogen refrigeration cycle combined to a novel single mixed-refrigerant precooling

#45
20180283772
2018-10-04

Active magnetic regenerative processes and systems employing hydrogen as heat transfer fluid and process gas

#46
20170234613
2017-08-17

Methods and apparatuses for reforming of hydrocarbons including recovery of products using an absorption zone

#47
20170081262
2017-03-23

Process for separation and purification of renewable propane

#48
20160230931
2016-08-11

BOIL-OFF-GAS MANAGEMENT AT HYDROGEN FUELING STATIONS

#49
20110262314
2011-10-27

DEVICE FOR PRODUCING HYDROGEN FROM A PLASMA WITH ELECTRON CYCLOTRON RESONANCE

#50
20110262313
2011-10-27

DEVICE FOR PRODUCING HYDROGEN BY MEANS OF AN ELECTRON CYCLOTRON RESONANCE PLASMA

#51
20110120184
2011-05-26

Purification of a gas stream

#52
20080271466
2008-11-06

Method and System for Purifying Liquified Gases

#53
20050044886
2005-03-03

Process for production of isotopes

#54
19016762
2025-09-02

Progressively chilled gas separation tanks