Patents-Review.com
ClassID:

159492 ⎘

F25B2500/22 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20250271162
2025-08-28

HVAC MONITORING AND CONTROL SYSTEM AND METHOD

 #2
20230264178
2023-08-24

PROPANE GAS REMOVAL MATERIAL

 #3
20220268468
2022-08-25

Refrigerant leak detection and mitigation system and method

 #4
20220252304
2022-08-11

Failsafe gas leak detection and mitigation system and method

 #5
20220187001
2022-06-16

Air conditioner and method for controlling air conditioner

 #6
20220146158
2022-05-12

REFRIGERANT CYCLE SYSTEM AND METHOD

 #7
20220065505
2022-03-03

Multi-air conditioner for heating and cooling including a shut-off valve between indoor and outdoor units and control method thereof

 #8
20210389028
2021-12-16

Vapor leak separation and detection system

 #9
20210285702
2021-09-16

Refrigeration system with flexible high pressure hose assembly

 #10
20210254875
2021-08-19

System for fluid pump down using valves

 #11
20210088242
2021-03-25

System and method for sealing and supporting external pipe connections in fluid lines and directing escaped fluids to a cabinet in an HVAC system

 #12
20200248919
2020-08-06

Refrigerant leak detection and mitigation system and method

 #13
20200240673
2020-07-30

Systems and methods for pumping down flammable refrigerant

 #14
20200240661
2020-07-30

Systems and methods for pumping down flammable refrigerant

 #15
20200124306
2020-04-23

Refrigerant pump down for an HVAC system

 #16
20200088431
2020-03-19

Air conditioner with refrigerant leakage control

 #17
20190338971
2019-11-07

Air-conditioner

 #18
20190093778
2019-03-28

Fluid injection device and method of using the same

 #19
20180363926
2018-12-20

Method of monitoring charge condition of heat pump system

 #20
20180274527
2018-09-27

LABYRINTH SEALS FOR COMPRESSOR

 #21
20180045445
2018-02-15

System for refrigerant charge verification

 #22
20170234561
2017-08-17

Systems and methods for detecting degradation of a component in an air conditioning system

 #23
20170191689
2017-07-06

Display device, method, and program

 #24
20170059185
2017-03-02

Heat pump apparatus

 #25
20160265545
2016-09-15

Expander-integrated compressor, refrigerator and operating method for refrigerator

 #26
20160131150
2016-05-12

Sealing mechanism and turbo refrigerator

 #27
20160076800
2016-03-17

Low leakage seal for low pressure system

 #28
20150159931
2015-06-11

Cooling device management system with refrigerant leakage detection function

 #29
20150135748
2015-05-21

Heat pump system with refrigerant charge diagnostics

 #30
20140260390
2014-09-18

System for refrigerant charge verification

 #31
20140260342
2014-09-18

System for refrigerant charge verification using two condenser coil temperatures

 #32
20140250921
2014-09-11

System for supplying liquefied natural gas fuel with leak detection

 #33
20140033754
2014-02-06

Air-conditioning apparatus

 #34
20130292591
2013-11-07

Quick-release coupling

 #35
20130291976
2013-11-07

QUICK-RELEASE COUPLING

 #36
20120279239
2012-11-08

Method and device for low-temperature cooling/liquefaction

 #37
20120211683
2012-08-23

Valve apparatus

 #38
15194731
2018-07-03

HVAC/R system sealant and drying composition, and method for sealing and removing moisture therewith