ClassID:

159494

F25B2500/222 - page 2 - CPC Classification

Classification description:

Problems to be solved; Preventing, detecting or repairing leaks of refrigeration fluids Detecting refrigerant leaks

Recent Application in this class:
#301
20130133359
2013-05-30

Simplified refrigeration leak detection structure for a turbo chiller

#302
20130014525
2013-01-17

SWITCHING DEVICE AND AIR-CONDITIONING APPARATUS

#303
20120318011
2012-12-20

Refrigerating and air-conditioning apparatus

#304
20120292006
2012-11-22

Air-conditioning apparatus

#305
20120291457
2012-11-22

Pressure Decay Leak Check Method and Apparatus

#306
20120272672
2012-11-01

AIR-CONDITIONING APPARATUS

#307
20120272667
2012-11-01

AIR CONDITIONING LUBRICANT DELIVERY VESSEL, METHOD AND SYSTEM

#308
20120234030
2012-09-20

Air conditioning apparatus

#309
20120180506
2012-07-19

Refrigeration and air-conditioning apparatus

#310
20120050050
2012-03-01

ALARM SYSTEM FOR AN AIR CONDITIONER ASSEMBLY

#311
20120042674
2012-02-23

Air-conditioning apparatus with primary and secondary heat exchange cycles

#312
20110308267
2011-12-22

Refrigerating cycle apparatus

#313
20110302941
2011-12-15

Air-conditioning apparatus

#314
20110174059
2011-07-21

Leakage diagnosis apparatus, leakage diagnosis method, and refrigeration apparatus

#315
20110112814
2011-05-12

REFRIGERANT LEAK DETECTION SYSTEM AND METHOD

#316
20110000234
2011-01-06

Air conditioning apparatus and refrigerant quantity determination method

#317
20100300129
2010-12-02

Systems and methods for detecting refrigerant leaks in cooling systems

#318
20100251751
2010-10-07

Method for Monitoring the Gas Tightness of a Cooling System for a Refrigerated Vehicle and for Operating the Same and a Cooling System for a Refrigerated Vehicle and a Refrigerated Vehicle

#319
20100244863
2010-09-30

Fluid sensor, refrigerant leakage detection device, refrigeration system, and refrigerant leakage detection method

#320
20090314017
2009-12-24

AIR CONDITIONER

#321
20090314013
2009-12-24

METHOD FOR SERVICING AIR-CONDITIONING SYSTEMS, AND CONTAINER FOR CARRYING IT OUT

#322
20090308088
2009-12-17

Air conditioner

#323
20090229295
2009-09-17

LEAKAGE TEST IN AN AIR CONDITIONER

#324
20090126388
2009-05-21

Refrigerant loss tracking and repair

#325
20090107157
2009-04-30

REFRIGERANT LEAK-DETECTION SYSTEMS

#326
20090094999
2009-04-16

Apparatus for cooling systems

#327
20090044550
2009-02-19

AIR CONDITIONER

#328
20090032113
2009-02-05

FLAMELESS RELIEF VALVE

#329
20090025406
2009-01-29

Refrigerant quantity determining system of air conditioner

#330
20080314073
2008-12-25

Method for leak detection in heat transfer systems

#331
20080265213
2008-10-30

Enhanced leak detection dye carrier

#332
20080168783
2008-07-17

Air conditioner having an ice melting operation terminated on the basis of refrigerant temperature and pressure

#333
20080115523
2008-05-22

Cooling system and method

#334
20080115515
2008-05-22

Cooling system and method

#335
20080069177
2008-03-20

Method of detecting leaks of fluoroolefin compositions and sensors used therefor

#336
20080060367
2008-03-13

Operating algorithm for refrigerant safety system

#337
20070277147
2007-11-29

Refrigerant loss tracking and repair

#338
20070204635
2007-09-06

Air conditioning apparatus

#339
20070193285
2007-08-23

Testing for Leaks in a Two-Phase Liquid Cooling System

#340
20070156373
2007-07-05

Equipment diagnosis device, refrigerating cycle apparatus, fluid circuit diagnosis method, equipment monitoring system, and refrigerating cycle monitoring system

#341
20070096899
2007-05-03

System and method for tracking ships and ship cargo

#342
20060196224
2006-09-07

Refrigerant tracking/leak detection system and method

#343
20060179854
2006-08-17

Refrigerant tracking/leak detection system and method

#344
20060162427
2006-07-27

Refrigerant leak detector compressor

#345
20060137364
2006-06-29

Refrigerant charge adequacy gauge

#346
20060117791
2006-06-08

Vehicle air conditioning systems comprising refrigerant recovery vessels and methods for operating such systems

#347
20060060327
2006-03-23

Integrated condenser oil cooler with a receiver/dryer

#348
20060049329
2006-03-09

Refrigerant with leak detection dye concentrate

#349
20050217309
2005-10-06

Refrigerator with door handle

#350
20050166609
2005-08-04

Method and a device for detecting flash gas

#351
20050144803
2005-07-07

Method and apparatus for restricting foreign objects from entering a device

#352
20050126190
2005-06-16

Loss of refrigerant charge and expansion valve malfunction detection

#353
20050103029
2005-05-19

Refrigerator having alarm device for alarming leakage of refrigerant

#354
20050086952
2005-04-28

Refrigerator-freezer controller of refrigenator-freezer, and method for determination of leakage of refrigerant

#355
20050086951
2005-04-28

Expansion device with low refrigerant charge monitoring

#356
20050081914
2005-04-21

Fluid injection system

#357
20050061010
2005-03-24

Blowoff valve assembly with integrated pressure switch

#358
20050056031
2005-03-17

Refrigerant leakage sensing system and method

#359
20050039475
2005-02-24

HVAC system with refrigerant venting

#360
20050039469
2005-02-24

Refrigerator

#361
20050028540
2005-02-10

Method of operating a directed relief valve in an air conditioning system

#362
17567488
2025-03-18

HVAC monitoring system

#363
14795401
2018-01-30

Web-based, plug and play wireless remote monitoring diagnostic and system health prediction system

#364
14795347
2016-08-23

Cost-effective remote monitoring, diagnostic and system health prediction system and method for vapor compression and heat pump units based on compressor discharge line temperature sampling