ClassID:

159466

F25B2400/18 - CPC Classification

Classification description:

General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of Refrigerant conversion

Recent Application in this class:
#1
20250305739
2025-10-02

HEATING SYSTEMS FOR A REFRIGERATION SYSTEM

#2
20200332165
2020-10-22

Refrigerant with lubricating oil for replacement of R22 refrigerant

#3
20200172781
2020-06-04

Low global warming potential refrigerants in liquid chillers

#4
20190178543
2019-06-13

Accumulator and oil separator

#5
20180362821
2018-12-20

Refrigerant with lubricating oil for replacement of R22 refrigerant

#6
20170029679
2017-02-02

Use of R-1233 in liquid chillers

#7
20160355718
2016-12-08

Heat transfer fluid replacing R-134a

#8
20150225632
2015-08-13

Refrigerant mixtures comprising tetrafluoropropenes and difluoromethane and uses thereof

#9
20150144306
2015-05-28

Compositions and methods for refrigeration

#10
20140174110
2014-06-26

Use of R-1233 in liquid chillers

#11
20140165626
2014-06-19

Use of R-1233 in liquid chillers

#12
20130298578
2013-11-14

Refrigerant conversion kit and method for a refrigerant recovery unit

#13
20130284277
2013-10-31

Device, method and kit for cleaning passage ducts of a coolant fluid in a recovery and depuration apparatus

#14
20130246288
2013-09-19

Halogenated alkene heat transfer compositions with improved oil return

#15
20130133344
2013-05-30

Renewal method of air-conditioning unit for vehicle and air-conditioning unit for vehicle

#16
20130025299
2013-01-31

Composition comprising 2,3,3,3-tetrafluoropropene and 1,1,1,2-tetrafluoroethane, chillers containing same and methods of producing cooling therein

#17
20130014520
2013-01-17

Apparatus to clear oil from the hoses and front end of a recovery recharge machine

#18
20120240602
2012-09-27

Refrigerant with lubricating oil for replacement of R22 refrigerant

#19
20120186280
2012-07-26

Method and apparatus for clearing oil inject circuit for changing oil types

#20
20120145199
2012-06-14

HVAC-R flushing solvent

#21
20120007016
2012-01-12

Azeotrope-like composition of 1,1,1,2,2,3,3-heptafluoro-3-methoxypropane and 1-chloro-3,3,3-trifluoropropene

#22
20110163117
2011-07-07

Refrigerant with lubricating oil for replacement of R22 refrigerant

#23
20110146304
2011-06-23

Internal clearing function for a refrigerant recovery/recharge machine

#24
20110067435
2011-03-24

REFRIGERATION CYCLE

#25
20110056236
2011-03-10

REFRIGERATION CYCLE

#26
20110023507
2011-02-03

Compositions and methods for refrigeration

#27
20110012052
2011-01-20

Halogenated alkene heat transfer composition with improved oil return

#28
20100326095
2010-12-30

Use of R-1233 in liquid chillers

#29
20100101245
2010-04-29

FLUORINATED COMPOSITIONS AND SYSTEMS USING SUCH COMPOSITIONS

#30
20100011791
2010-01-21

R422D HEAT TRANSFER SYSTEMS AND R22 SYSTEMS RETROFITTED WITH R422D

#31
20090188271
2009-07-30

Method and apparatus for clearing oil inject circuit for changing oil types

#32
20090188263
2009-07-30

Apparatus to clear oil from the hoses and front end of a recovery recharge machine

#33
20090001311
2009-01-01

REFRIGERANT COMPOSITION

#34
20080053144
2008-03-06

Air conditioner, heat source unit, and air conditioner updating method

#35
20070187638
2007-08-16

Hydrofluorocarbon-based composition and use thereof

#36
20070040147
2007-02-22

Refrigerant composition

#37
20060185376
2006-08-24

Freezer device

#38
20060150664
2006-07-13

Refrigerating apparatus

#39
20060130511
2006-06-22

Internal clearing function for a refrigerant recovery/recharge machine

#40
20050252236
2005-11-17

Refrigeration device

#41
20050198994
2005-09-15

Refrigerant pipe washing method, air conditioner updating method, and air conditioner

#42
20050160762
2005-07-28

Refrigeration apparatus

#43
20050109977
2005-05-26

Refrigerant composition

#44
20050082510
2005-04-21

Refrigerant with lubricating oil for replacement of R22 refrigerant

#45
20050081606
2005-04-21

Method for determining reusability of refrigerant using equipment or refrigerant lines, and reusability check tool for refrigerant using equipment or refrigerant lines