ClassID:

160460

F25J2235/42 - CPC Classification

Classification description:

Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being nitrogen

Recent Application in this class:
#1
20240377130
2024-11-14

LIQUEFIED GAS SUPPLY SYSTEM AND AIR SEPARATION UNIT COMPRISING SAME

#2
20240230218
2024-07-11

SYSTEM AND METHOD FOR DENSIFICATION OF LIQUID OXYGEN

#3
20230221069
2023-07-13

Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit

#4
20230038170
2023-02-09

PROCESS AND PLANT FOR LOW-TEMPERATURE SEPARATION OF AIR

#5
20220090855
2022-03-24

Method and apparatus for producing high-purity nitrogen and low-purity oxygen

#6
20210364229
2021-11-25

Systems and Methods of Removing Contaminants in a Liquid Nitrogen Stream Used to Liquefy Natural Gas

#7
20210164729
2021-06-03

Apparatus and process for liquefying gases

#8
20200370825
2020-11-26

Method and apparatus for separating air by cryogenic distillation

#9
20190242646
2019-08-08

Method and apparatus for obtaining pressurized nitrogen by cryogenic separation of air

#10
20190041128
2019-02-07

Recovery Of Helium From Nitrogen-Rich Streams

#11
20180335256
2018-11-22

Apparatus and process for liquefying gases

#12
20180292128
2018-10-11

Liquid natural gas liquefier utilizing mechanical and liquid nitrogen refrigeration

#13
20180142949
2018-05-24

PARTIAL OPEN-LOOP NITROGEN REFRIGERATION PROCESS AND SYSTEM FOR AN OIL OR GAS PRODUCTION OPERATION

#14
20170234612
2017-08-17

Treatment of nitrogen-rich natural gas streams

#15
20170211882
2017-07-27

PRODUCTION OF AN AIR PRODUCT IN AN AIR SEPARATION PLANT WITH COLD STORAGE UNIT

#16
20170211879
2017-07-27

Process and apparatus for producing pressurized gaseous nitrogen by cryogenic separation of air

#17
20170167787
2017-06-15

Method of natural gas liquefaction on LNG carriers storing liquid nitrogen

#18
20170016668
2017-01-19

Increasing efficiency in an LNG production system by pre-cooling a natural gas feed stream

#19
20160298900
2016-10-13

Process and apparatus for separating air by cryogenic distillation

#20
20160245586
2016-08-25

Method and device for separating air by cryogenic distillation

#21
20150369534
2015-12-24

Natural gas isobaric liquefaction apparatus

#22
20150362250
2015-12-17

Natural gas isobaric liquefaction apparatus

#23
20150354888
2015-12-10

Air separation apparatus to produce oxygen and nitrogen through isobaric separation

#24
20140223959
2014-08-14

Method and device for the cryogenic decomposition of air

#25
20130167557
2013-07-04

POWER PLANT

#26
20130042647
2013-02-21

Production Of High-Pressure Gaseous Nitrogen

#27
20130042646
2013-02-21

Production of high-pressure gaseous nitrogen

#28
20130000351
2013-01-03

Production Of High-Pressure Gaseous Nitrogen

#29
20120144861
2012-06-14

Process and installation for producing high-pressure nitrogen

#30
20120060553
2012-03-15

NATURAL GAS LIQUEFACTION

#31
20110192193
2011-08-11

Method And Installation For Enriching A Gas Stream With One Of The Components Thereof

#32
20100251763
2010-10-07

Apparatus and Methods for Natural Gas Transportation and Processing

#33
20100170297
2010-07-08

Liquefied gas reliquefier, liquefied-gas storage facility and liquefied-gas transport ship including the same, and liquefied-gas reliquefaction method

#34
20080127676
2008-06-05

Method and apparatus for production of high-pressure nitrogen from air by cryogenic distillation

#35
20080034790
2008-02-14

Method And Installation For Enriching A Gas Stream With One Of The Components Thereof

#36
20060075779
2006-04-13

Process for the cryogenic distillation of air

#37
20060010909
2006-01-19

Backup system and method for production of pressurized gas

#38
17558524
2025-12-09

Apparatus and process for liquefying gases