ClassID:

159409

F25B2345/002 - CPC Classification

Classification description:

Details for charging or discharging refrigerants; Service stations therefor Collecting refrigerant from a cycle

Recent Application in this class:
#1
20260110467
2026-04-23

PORTABLE SUBCOOLER FOR REFRIGERANT RECOVERY AND METHOD

#2
20260016204
2026-01-15

METHOD AND APPARATUS FOR EXTRACTING A REFRIGERANT AND STATE UNIT

#3
20250389469
2025-12-25

METHODS AND CONTAINERS FOR TRANSPORTING, TRANSFERRING, STORING AND USING REFRIGERANTS

#4
20250389468
2025-12-25

REFRIGERATION SYSTEM WITH AN OIL DRAIN CONDUIT AND METHODS OF USE

#5
20250362066
2025-11-27

CHILLER PURGE SYSTEMS AND METHODS

#6
20250250978
2025-08-07

SYSTEM INCLUDING RECOVERY PUMP AND VACUUM PUMP

#7
20250189181
2025-06-12

COOLANT REFRESH DEVICE FOR COOLANT DISTRIBUTION UNIT

#8
20250164166
2025-05-22

REFRIGERATION SYSTEM WITH AN OIL DRAIN CONDUIT AND METHODS OF USE

#9
20250164165
2025-05-22

Controlled Clearing of Refrigerant Orifice

#10
20250018331
2025-01-16

Accumulator and dissipation assembly for capturing exigent vented volatile fluids

#11
20240410631
2024-12-12

REFRIGERANT RECOVERY SYSTEM AND RECOVERY CART THEREOF

#12
20240384552
2024-11-21

Swimming Pool or Spa Heat Pump With Refrigerant Charge Compensator and Method of Operating Same

#13
20240369272
2024-11-07

REFRIGERANT RESERVOIR CONTAINER AND REFRIGERATION CYCLE APPARATUS INCLUDING THE REFRIGERANT RESERVOIR CONTAINER

#14
20240288206
2024-08-29

REFRIGERANT RECOVERY AND REPURPOSING

#15
20240240844
2024-07-18

DEVICE AND METHOD FOR RECOVERY OF REFRIGERANT

#16
20240210081
2024-06-27

REFRIGERANT HANDLING DEVICE AND REFRIGERANT HANDLING METHOD

#17
20240200840
2024-06-20

HEAT SOURCE UNIT AND REFRIGERANT HANDLING METHOD

#18
20240102683
2024-03-28

SYSTEMS AND METHODS FOR REFRIGERANT UNIT LIFE CYCLE MANAGEMENT

#19
20240102682
2024-03-28

REFRIGERANT UNIT SERVICE TOOL

#20
20240019184
2024-01-18

REFRIGERANT RECOVERY SYSTEM AND REFRIGERANT FILLING SYSTEM

#21
20230417463
2023-12-28

APPARATUS FOR CONNECTION TO AN HVAC-R SYSTEM DURING MAINTENANCE OR COMMISSIONING AND METHODS OF MAINTENANCE OR COMMISSIONING FOR AN HVAC-R SYSTEM

#22
20220412615
2022-12-29

Refrigerant metering system and method

#23
20220412614
2022-12-29

Refrigerant metering system and method

#24
20220404080
2022-12-22

REFRIGERANT CYCLE APPARATUS AND METHOD FOR INSTALLING REFRIGERANT CYCLE APPARATUS

#25
20220404079
2022-12-22

Leak mitigation system

#26
20220404074
2022-12-22

Refrigerant metering refrigerant evaporator coil (REC) repair method

#27
20220390159
2022-12-08

Air-conditioning management system and refrigerant recovery management apparatus

#28
20220381493
2022-12-01

Refrigeration system with transfer system

#29
20220341640
2022-10-27

Method for replacing refrigerant in refrigeration apparatus, refrigerating machine oil, and container

#30
20220282895
2022-09-08

A METHOD AND AN APPARATUS FOR AT LEAST PARTIALLY DRAINING AN OPERATING SYSTEM

#31
20220170677
2022-06-02

APPARATUS FOR CONNECTION TO AN HVAC-R SYSTEM DURING MAINTENANCE OR COMMISSIONING AND METHODS OF MAINTENANCE OR COMMISSIONING FOR AN HVAC-R SYSTEM

#32
20220136748
2022-05-05

METHODS AND CONTAINERS FOR TRANSPORTING, TRANSFERRING, STORING AND USING REFRIGERANTS

#33
20220128284
2022-04-28

High-pressure to low-pressure line set joining tool for air conditioning and refrigeration systems and methods

#34
20220120482
2022-04-21

Refrigerant recovery management system

#35
20220099087
2022-03-31

System including recovery pump and vacuum pump

#36
20220090832
2022-03-24

Multi-air conditioner for heating and cooling operations

#37
20220049882
2022-02-17

Refrigerant recovery and repurposing

#38
20210356184
2021-11-18

Purge system for chiller system

#39
20210301189
2021-09-30

Process and methods for reclaiming flammable and non-flammable hydrofluoro-olefin containing refrigerants

#40
20210270508
2021-09-02

Temperature control medium processing apparatus and temperature control medium processing method

#41
20210215410
2021-07-15

Cooling system with flooded low side heat exchangers

#42
20210172663
2021-06-10

HVAC SYSTEM REPAIR METHOD AND APPARATUS

#43
20210148619
2021-05-20

Modular refrigerant cap

#44
20210095903
2021-04-01

Fluid or Gas Cooling and/or Condensing Apparatus, System and Method

#45
20210003330
2021-01-07

Air-conditioning apparatus

#46
20200386456
2020-12-10

Recovery system for N20

#47
20200378665
2020-12-03

COLLECTOR FOR DISTRIBUTING A HEAT TRANSFER FLUID IN A HEATING AND/OR COOLING AND/OR CONDITIONING NETWORK, IN PARTICULAR OF HOUSEHOLD AND/OR INDUSTRIAL TYPE

#48
20200309431
2020-10-01

Refrigerant recovery management system

#49
20200200456
2020-06-25

Refrigeration system with transfer system

#50
20200191455
2020-06-18

Integral service refrigerant pump

#51
20200172781
2020-06-04

Low global warming potential refrigerants in liquid chillers

#52
20200018307
2020-01-16

System including recovery pump and vacuum pump

#53
20200003467
2020-01-02

HVAC refrigerant charging and relieving systems and methods

#54
20190293330
2019-09-26

High flow service connection valve

#55
20190186796
2019-06-20

Apparatus and method for dual refrigerant tank refill

#56
20190160911
2019-05-30

Air conditioning recharging machine for vehicle air-conditioning system

#57
20190113262
2019-04-18

Purge system for chiller system

#58
20190093930
2019-03-28

Refrigerant recovery and recycling system with serviceable debris filter

#59
20190063804
2019-02-28

Tank temperature probe with positional sensor

#60
20190032976
2019-01-31

Refrigerant recovery device and refrigerant recovery method

#61
20190003755
2019-01-03

Refrigerant recovery and repurposing

#62
20180252449
2018-09-06

Refrigeration cycle apparatus

#63
20180216860
2018-08-02

Refrigerant recovery pump with an improved input port

#64
20180195779
2018-07-12

Subsystem for a vapour-compression system, a vapour-compression system, and a method for a vapour-compression system

#65
20180187935
2018-07-05

Refrigerating system and purification method for the same

#66
20180172329
2018-06-21

Refrigerating device

#67
20180120008
2018-05-03

Apparatus and method for determining the quantity of dissolved refrigerant in oil recovered from an air conditioning system

#68
20180010833
2018-01-11

Accumulator for charge management

#69
20180010832
2018-01-11

Digital monitoring and measuring air conditioner recharging system

#70
20170336112
2017-11-23

Apparatus and method for indicating status of multi-phase vacuum-assisted recovery of refrigerant

#71
20170336111
2017-11-23

Apparatus and method for a multi-phase vacuum-assisted recovery of refrigerant

#72
20170321938
2017-11-09

METHOD AND SYSTEM FOR RECOVERING COOLANT GAS IN AN AIR CONDITIONING SYSTEM

#73
20170284695
2017-10-05

Variable refrigerant volume system and control method thereof

#74
20170219261
2017-08-03

Recovery system for N20

#75
20170191719
2017-07-06

REFRIGERANT MANAGEMENT SYSTEM WITH OPERATIONAL EFFICIENCY IMPROVEMENT DEVICES

#76
20170115042
2017-04-27

Method for checking the presence of incondensable gases in climate recovery and charging station

#77
20160238295
2016-08-18

LOW GWP HEAT TRANSFER COMPOSITIONS

#78
20160187042
2016-06-30

System and method for recovering refrigerant

#79
20160169569
2016-06-16

Method and system for measuring volume of fluid drained from an air conditioning service unit

#80
20160123642
2016-05-05

System and method for venting refrigerant from an air conditioning system

#81
20160123641
2016-05-05

System and method for venting refrigerant from an air conditioning system

#82
20160102899
2016-04-14

Apparatus and method for increasing removal rate of residue

#83
20160025387
2016-01-28

Refrigerant cooling and/or condensing apparatus, system and method

#84
20150282643
2015-10-08

Refrigeration system and dilution device for a merchandiser

#85
20150267950
2015-09-24

System and method for recovering refrigerant

#86
20150153083
2015-06-04

Method and apparatus for recovering refrigerant from an air conditioning system

#87
20150139839
2015-05-21

Scotch yoke arrangement

#88
20150121936
2015-05-07

APPARATUS AND METHOD OF BACKFLOW PREVENTION

#89
20150121911
2015-05-07

COMPOSITIONS COMPRISING Z-1,2-DIFLUOROETHYLENE AND USES THEREOF

#90
20150107288
2015-04-23

Removal device for a fluid

#91
20150075202
2015-03-19

REFRIGERATION DEVICE

#92
20150040610
2015-02-12

Method and apparatus for improving refrigeration and air conditioning efficiency

#93
20140260400
2014-09-18

Manifold for a refrigerant recovery device and method

#94
20140260353
2014-09-18

Modified hose flush device and method

#95
20140260350
2014-09-18

Refrigerant recovery device and method

#96
20140182312
2014-07-03

Method and system for a portable refrigerant recovery unit load controller

#97
20140033742
2014-02-06

Service device for vehicle air conditioning systems, and method for operating same, in particular for the self-cleaning type

#98
20130298578
2013-11-14

Refrigerant conversion kit and method for a refrigerant recovery unit

#99
20130284277
2013-10-31

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

#100
20130255294
2013-10-03

Charge Port For Microchannel Heat Exchanger Systems

#101
20130247596
2013-09-26

Method of measuring the refrigerant recovered and a refrigerant recovery and recharge device

#102
20130232999
2013-09-12

Cryopump system, and method of operating the same, and compressor unit

#103
20130160470
2013-06-27

Air conditioner self-charging and charge monitoring system

#104
20130047637
2013-02-28

Refrigeration system and method of operating a refrigeration system

#105
20130032220
2013-02-07

SYSTEM AND A METHOD FOR THE FLUSHING OF AIR CONDITION SYSTEMS

#106
20130025717
2013-01-31

Apparatus and method for recovering refrigerant through a double conduit connection

#107
20130014520
2013-01-17

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

#108
20120324921
2012-12-27

METHOD FOR RECOVERING REFRIGERANT FROM A REFRIGERATION EQUIPMENT

#109
20120265352
2012-10-18

Refrigerant recycling system

#110
20120255711
2012-10-11

Thermal accumulator and method of use

#111
20120227827
2012-09-13

Ammonia recycling still for a refrigeration system and method therefor

#112
20120186280
2012-07-26

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

#113
20120079839
2012-04-05

Vacuum pump oil changing method and apparatus

#114
20120011863
2012-01-19

METHODS OF SERVICING MOBILE AIR CONDITIONING SYSTEMS

#115
20110308267
2011-12-22

Refrigerating cycle apparatus

#116
20110252801
2011-10-20

Compositions comprising Z-1,2-difluoroethylene and uses thereof

#117
20110203675
2011-08-25

MAINTENANCE APPARATUS AND METHOD FOR AN AIR CONDITIONING SYSTEM OF A MOTOR VEHICLE

#118
20110146304
2011-06-23

Internal clearing function for a refrigerant recovery/recharge machine

#119
20110132018
2011-06-09

ELECTRONIC INSTRUMENT FOR REFRIGERANT RECOVERY MACHINE

#120
20110120242
2011-05-26

Scotch yoke arrangement

#121
20110094247
2011-04-28

A/C maintenance system using heat transfer from the condenser to the oil separator for improved efficiency

#122
20100154442
2010-06-24

Portable refrigerant recovery machine

#123
20100101246
2010-04-29

System and Method For Controlling Working Fluid Charge In A Vapor Compression Air Conditioning System

#124
20100050459
2010-03-04

Method and apparatus for refrigerant recovery unit filter dryer maintenance

#125
20090272131
2009-11-05

Method for using high pressure refrigerant for leak checking a system

#126
20090241560
2009-10-01

Method for recovery and recharge of blend refrigerants with blend sent for reclamation

#127
20090188271
2009-07-30

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

#128
20090188263
2009-07-30

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

#129
20090126389
2009-05-21

REFRIGERATION APPARATUS

#130
20080229774
2008-09-25

Device for automatic processing of contaminated refrigerant from an air conditioning system

#131
20080060367
2008-03-13

Operating algorithm for refrigerant safety system

#132
20080011003
2008-01-17

System and method for controlling working fluid charge in a vapor compression air conditioning system

#133
20080000240
2008-01-03

Method and apparatus for refrigerant recovery unit filter dryer maintenance

#134
20070256742
2007-11-08

Dispensing tool assembly for evacuating and/or charging a fluid system

#135
20070084223
2007-04-19

Method of liberating and removing trapped refrigerant from the interior of an air conditioning system

#136
20070022764
2007-02-01

Ammonia recycling still for a refrigeration system and method therefor

#137
20060137376
2006-06-29

Cooling device for MR apparatus

#138
20060137366
2006-06-29

Automatic refrigerant charging apparatus

#139
20060130511
2006-06-22

Internal clearing function for a refrigerant recovery/recharge machine

#140
20060130510
2006-06-22

Modular recovery apparatus and method

#141
20060127231
2006-06-15

Portable, refrigerant recovery unit

#142
20060107688
2006-05-25

Refrigerant bypassing and filtering apparatus of air conditioner and method for controlling the same

#143
20060016475
2006-01-26

Refrigerant relief device

#144
20060010889
2006-01-19

Arrangement and method for controlling the discharge of carbon dioxide for air conditioning systems

#145
20050247070
2005-11-10

Method and apparatus to measure and transfer liquefied refrigerant in a refrigeration system

#146
20050160762
2005-07-28

Refrigeration apparatus

#147
20050132728
2005-06-23

Refrigerant system pressure control for storage and transportation

#148
20050031471
2005-02-10

Device for draining and recharging a hermetic compressor with oil

#149
17397319
2024-01-16

Method and system for hose coupling