Detecting refrigerant leaks

Industry

CPC
F25B2500/222

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F25Refrigeration F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT-PUMP SYSTEMS F25B2500/00Problems to be solved

Current Industry

F25B2500/222Detecting refrigerant leaks

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Refrigerant cycle system and method
- Patent number 12,366,392
- Issue date Jul 22, 2025
- Daikin Industries, Ltd.
- Ryuuta Ohura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for detection of refrigerant leaks
- Patent number 12,359,856
- Issue date Jul 15, 2025
- AXIOM CLOUD INC.
- Robert Leffler
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Air-conditioning apparatus
- Patent number 12,320,535
- Issue date Jun 3, 2025
- Mitsubishi Electric Corporation
- Shunji Ueda
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Compressor unit and refrigeration apparatus
- Patent number 12,320,568
- Issue date Jun 3, 2025
- Daikin Industries, Ltd.
- Takahiro Yamaguchi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Refrigerant leak mitigation for multi-circuit refrigerant systems
- Patent number 12,313,315
- Issue date May 27, 2025
- Goodman Manufacturing Company, L.P.
- Michael F. Taras
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
System and method for identifying a refrigerant leak in multiple re...
- Patent number 12,298,049
- Issue date May 13, 2025
- Lennox Industries Inc.
- Rakesh Goel
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method for monitoring a refrigerant charge in a vapour compression...
- Patent number 12,281,826
- Issue date Apr 22, 2025
- Danfoss A/S
- Roozbeh Izadi-Zamanabadi
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Sensor assembly and refrigerant sensing system
- Patent number 12,276,575
- Issue date Apr 15, 2025
- Therm-O-Disc, Incorporated
- Jeffrey A. West
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigeration unit and method of assembling
- Patent number 12,276,452
- Issue date Apr 15, 2025
- Whirlpool Corporation
- Vishal B. Chauhan
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Environmental enclosure for a transport gas sensor
- Patent number 12,253,457
- Issue date Mar 18, 2025
- Carrier Corporation
- Michael J. Birnkrant
- G01 - MEASURING TESTING
Information Patent Grant
HVAC monitoring system
- Patent number 12,253,273
- Issue date Mar 18, 2025
- Daniel Xavier Dudek
- G08 - SIGNALLING
Information Patent Grant
System and method for detecting refrigerant leakage and charging a...
- Patent number 12,241,669
- Issue date Mar 4, 2025
- Copeland LP
- David A. Alfano
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Refrigerant leakage determination system
- Patent number 12,235,028
- Issue date Feb 25, 2025
- Daikin Industries, Ltd.
- Manabu Yoshimi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air-conditioning system with separate refrigerant leak sensors
- Patent number 12,235,029
- Issue date Feb 25, 2025
- Mitsubishi Electric Corporation
- Koji Yamaguchi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Support system that supports design or construction of a refrigeran...
- Patent number 12,215,902
- Issue date Feb 4, 2025
- Daikin Industries, Ltd.
- Ryuuta Ohura
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and device for providing sub-cooling of refrigerants
- Patent number 12,181,190
- Issue date Dec 31, 2024
- CRYO PUR
- Denis Clodic
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Compressor unit and refrigeration apparatus
- Patent number 12,169,084
- Issue date Dec 17, 2024
- Daikin Industries, Ltd.
- Takahiro Yamaguchi
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Switchgear cabinet arrangement with a safety function, and a corres...
- Patent number 12,152,819
- Issue date Nov 26, 2024
- Rittal GmbH & Co. KG
- Thorsten Heimberg
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Heat pump system and controller for controlling operation of the same
- Patent number 12,130,059
- Issue date Oct 29, 2024
- Daikin Industries, Ltd.
- Kevin Cornelis
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Ceiling-mounted air conditioning unit for a heat pump comprising a...
- Patent number 12,130,033
- Issue date Oct 29, 2024
- Daikin Industries, Ltd.
- Lukas Kokes
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air conditioning apparatus
- Patent number 12,130,044
- Issue date Oct 29, 2024
- Daikin Industries, Ltd.
- Makoto Kojima
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Systems and methods for transport climate control circuit managemen...
- Patent number 12,123,636
- Issue date Oct 22, 2024
- Thermo King LLC
- David J. Renken
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air conditioner and method for controlling air conditioner
- Patent number 12,117,219
- Issue date Oct 15, 2024
- LG Electronics Inc.
- Jiyoung Jang
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Robust gas sensor for harsh environments
- Patent number 12,104,809
- Issue date Oct 1, 2024
- Therm-O-Disc, Incorporated
- Jeffrey A. West
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Power element for refrigerant modulating valve
- Patent number 12,092,382
- Issue date Sep 17, 2024
- Parker-Hannifin Corporation
- Christian D. Parker
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant charge monitoring systems and methods for multiple evap...
- Patent number 12,078,398
- Issue date Sep 3, 2024
- Copeland LP
- Andrew Welch
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigeration cycle apparatus
- Patent number 12,072,130
- Issue date Aug 27, 2024
- Mitsubishi Electric Corporation
- Yasutaka Ochiai
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Indoor unit of refrigeration apparatus
- Patent number 12,072,129
- Issue date Aug 27, 2024
- Daikin Industries, Ltd.
- Yoshiyuki Tsuji
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heating, ventilation, and air conditioning control system
- Patent number 12,066,228
- Issue date Aug 20, 2024
- Tyco Fire & Security GMBH
- William F. McQuade
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
HVAC equipment with refrigerant gas sensor
- Patent number 12,061,027
- Issue date Aug 13, 2024
- Goodman Manufacturing Company, L.P.
- Tathagata De
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
System and Method for Evacuating a Refrigerant Leak in an HVAC System
- Publication number 20250230962
- Publication date Jul 17, 2025
- Lennox Industries Inc.
- Vickey Bhardwaj
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERANT DETECTION APPARATUS, COMPUTER READABLE MEDIUM, AND REFR...
- Publication number 20250216134
- Publication date Jul 3, 2025
- Mitsubishi Electric Corporation
- Masahiro ITO
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD FOR IDENTIFYING A REFRIGERANT LEAK IN MULTIPLE RE...
- Publication number 20250198676
- Publication date Jun 19, 2025
- Lennox Industries Inc.
- Rakesh Goel
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
AIR CONDITIONING SYSTEM AND METHOD OF ESTABLISHING A CONTROL LOGIC...
- Publication number 20250172307
- Publication date May 29, 2025
- DAIKIN EUROPE N.V.
- Gennaro SCOTTO DI LUZIO
- F24 - HEATING RANGES VENTILATING
Information Patent Application
REFRIGERANT HEAT EXCHANGER, METHOD AND DEVICE FOR INSTALLING REFRIG...
- Publication number 20250146724
- Publication date May 8, 2025
- GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.
- Wenrui JIN
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
VENTILATION AIR VALVE, AND AIR CONDITIONING UNIT THEREOF
- Publication number 20250123033
- Publication date Apr 17, 2025
- TRANE INTERNATIONAL INC.
- Venkatesh Narsingrao Mantalwad
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
AIR CONDITIONING UNIT WITH A LEAK VENTILATION INDUCER
- Publication number 20250123014
- Publication date Apr 17, 2025
- TRANE INTERNATIONAL INC.
- Venkatesh Narsingrao Mantalwad
- F24 - HEATING RANGES VENTILATING
Information Patent Application
REFRIGERANT AMOUNT MEASUREMENT SYSTEM AND REFRIGERANT USE SYSTEM
- Publication number 20250116443
- Publication date Apr 10, 2025
- DAIKIN INDUSTRIES, LTD.
- Ryuzaburo Yajima
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD FOR IDENTIFYING A REFRIGERANT LEAK IN MULTIPLE RE...
- Publication number 20250067487
- Publication date Feb 27, 2025
- Lennox Industries Inc.
- Rakesh Goel
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD FOR DETECTION OF REFRIGERANT LEAKS
- Publication number 20250044004
- Publication date Feb 6, 2025
- Axiom Cloud Inc.
- Robert Leffler
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ALARM
- Publication number 20250044005
- Publication date Feb 6, 2025
- Mitsubishi Electric Corporation
- Yuta SHIOKAWA
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ARRANGEMENT FOR REFRIGERANT LEAK MANAGEMENT
- Publication number 20250035355
- Publication date Jan 30, 2025
- TYCO FIRE & SECURITY GMBH
- Mujibul Rehaman Mohammad
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERANT LEAK MITIGATION USING ISOLATION VALVES
- Publication number 20250035356
- Publication date Jan 30, 2025
- Lennox Industries Inc.
- Shailesh Manohar
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ARRANGEMENT FOR LEAKAGE DETECTION IN A COOLING SYSTEM
- Publication number 20250012497
- Publication date Jan 9, 2025
- VOLVO TRUCK CORPORATION
- Yang XU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEM WITH LEAK DETECTION FOR DETECTING REFRIGERANT LEAK
- Publication number 20240337423
- Publication date Oct 10, 2024
- Goodman Manufacturing Company, L.P.
- Zidu Ma
- F24 - HEATING RANGES VENTILATING
Information Patent Application
REFRIGERATION CYCLE APPARATUS AND LEAKAGE INSPECTION METHOD FOR REF...
- Publication number 20240310098
- Publication date Sep 19, 2024
- Toshiba Carrier Corporation
- Junichi WAKASUGI
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
AIR-CONDITIONING APPARATUS AND REFRIGERANT LEAKAGE DETECTION SYSTEM
- Publication number 20240302066
- Publication date Sep 12, 2024
- Mitsubishi Electric Corporation
- Makoto WADA
- F24 - HEATING RANGES VENTILATING
Information Patent Application
REFRIGERATION CYCLE APPARATUS, REFIGERANT LEAK DETECTION SYSTEM, AN...
- Publication number 20240295353
- Publication date Sep 5, 2024
- Toshiba Carrier Corporation
- Shinya KOMURE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REFRIGERATION SYSTEM AND METHOD OF DETERMINING A STATE OF CHARGE OF...
- Publication number 20240288212
- Publication date Aug 29, 2024
- Maersk Container Industry A/S
- Georg Patrick Franz FÖSEL
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
AIRTIGHTNESS TESTING APPARATUS AND AIRTIGHTNESS TESTING METHOD
- Publication number 20240272034
- Publication date Aug 15, 2024
- Mitsubishi Electric Corporation
- Yusei ONO
- G01 - MEASURING TESTING
Information Patent Application
RETROFIT FOR FAN CONTROL IN REFRIGERATED CASES
- Publication number 20240247848
- Publication date Jul 25, 2024
- Copeland LP
- Jason A. BORN
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
AIR CONDITIONER
- Publication number 20240230128
- Publication date Jul 11, 2024
- FUJITSU GENERAL LIMITED
- Masahiro KONDO
- F24 - HEATING RANGES VENTILATING
Information Patent Application
DETECTION SYSTEM FOR REFRIGERANT IN WATER
- Publication number 20240219087
- Publication date Jul 4, 2024
- Siemens Energy Global GmbH & Co. KG
- Peter Gustavsson
- G01 - MEASURING TESTING
Information Patent Application
REFRIGERATION SYSTEM AND METHOD OF DETERMINING A LOSS OF CHARGE OF...
- Publication number 20240219089
- Publication date Jul 4, 2024
- Maersk Container Industry A/S
- Junping CAI
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEMS AND METHODS FOR REFRIGERANT LEAK MITIGATION
- Publication number 20240191920
- Publication date Jun 13, 2024
- Lennox Industries Inc.
- Dilbag Singh Gill
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERANT LEAK DETERMINATION APPARATUS, CONTROL DEVICE, COMPUTER...
- Publication number 20240191924
- Publication date Jun 13, 2024
- Mitsubishi Electric Corporation
- Yusei ONO
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
FLUID LEAKAGE DETECTION SYSTEM
- Publication number 20240167744
- Publication date May 23, 2024
- Daikin Industries, Ltd.
- Tadafumi NISHIMURA
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATION UNIT AND METHOD OF ASSEMBLING
- Publication number 20240133613
- Publication date Apr 25, 2024
- Whirlpool Corporation
- Vishal B. Chauhan
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
OPEN-CLOSE VALVE UNIT, AND REFRIGERATION APPARATUS EMPLOYING THE OP...
- Publication number 20240093922
- Publication date Mar 21, 2024
- Mitsubishi Electric Corporation
- Shota KUMOKAWA
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERANT LEAKAGE MANAGEMENT SYSTEM
- Publication number 20240085076
- Publication date Mar 14, 2024
- DAIKIN INDUSTRIES, LTD.
- Junya MINAMI
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Detecting refrigerant leaks

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Refrigerant cycle system and method

System and method for detection of refrigerant leaks

Air-conditioning apparatus

Compressor unit and refrigeration apparatus

Refrigerant leak mitigation for multi-circuit refrigerant systems

System and method for identifying a refrigerant leak in multiple re...

Method for monitoring a refrigerant charge in a vapour compression...

Sensor assembly and refrigerant sensing system

Refrigeration unit and method of assembling

Environmental enclosure for a transport gas sensor

HVAC monitoring system

System and method for detecting refrigerant leakage and charging a...

Refrigerant leakage determination system

Air-conditioning system with separate refrigerant leak sensors

Support system that supports design or construction of a refrigeran...

Method and device for providing sub-cooling of refrigerants

Compressor unit and refrigeration apparatus

Switchgear cabinet arrangement with a safety function, and a corres...

Heat pump system and controller for controlling operation of the same

Ceiling-mounted air conditioning unit for a heat pump comprising a...

Air conditioning apparatus

Systems and methods for transport climate control circuit managemen...

Air conditioner and method for controlling air conditioner

Robust gas sensor for harsh environments

Power element for refrigerant modulating valve

Refrigerant charge monitoring systems and methods for multiple evap...

Refrigeration cycle apparatus

Indoor unit of refrigeration apparatus

Heating, ventilation, and air conditioning control system

HVAC equipment with refrigerant gas sensor

Patents Applicationslast 30 patents

System and Method for Evacuating a Refrigerant Leak in an HVAC System

REFRIGERANT DETECTION APPARATUS, COMPUTER READABLE MEDIUM, AND REFR...

SYSTEM AND METHOD FOR IDENTIFYING A REFRIGERANT LEAK IN MULTIPLE RE...

AIR CONDITIONING SYSTEM AND METHOD OF ESTABLISHING A CONTROL LOGIC...

REFRIGERANT HEAT EXCHANGER, METHOD AND DEVICE FOR INSTALLING REFRIG...

VENTILATION AIR VALVE, AND AIR CONDITIONING UNIT THEREOF

AIR CONDITIONING UNIT WITH A LEAK VENTILATION INDUCER

REFRIGERANT AMOUNT MEASUREMENT SYSTEM AND REFRIGERANT USE SYSTEM

SYSTEM AND METHOD FOR IDENTIFYING A REFRIGERANT LEAK IN MULTIPLE RE...

SYSTEM AND METHOD FOR DETECTION OF REFRIGERANT LEAKS

ALARM

ARRANGEMENT FOR REFRIGERANT LEAK MANAGEMENT

REFRIGERANT LEAK MITIGATION USING ISOLATION VALVES

ARRANGEMENT FOR LEAKAGE DETECTION IN A COOLING SYSTEM

SYSTEM WITH LEAK DETECTION FOR DETECTING REFRIGERANT LEAK

REFRIGERATION CYCLE APPARATUS AND LEAKAGE INSPECTION METHOD FOR REF...

AIR-CONDITIONING APPARATUS AND REFRIGERANT LEAKAGE DETECTION SYSTEM

REFRIGERATION CYCLE APPARATUS, REFIGERANT LEAK DETECTION SYSTEM, AN...

REFRIGERATION SYSTEM AND METHOD OF DETERMINING A STATE OF CHARGE OF...

AIRTIGHTNESS TESTING APPARATUS AND AIRTIGHTNESS TESTING METHOD

RETROFIT FOR FAN CONTROL IN REFRIGERATED CASES

AIR CONDITIONER

DETECTION SYSTEM FOR REFRIGERANT IN WATER

REFRIGERATION SYSTEM AND METHOD OF DETERMINING A LOSS OF CHARGE OF...

SYSTEMS AND METHODS FOR REFRIGERANT LEAK MITIGATION

REFRIGERANT LEAK DETERMINATION APPARATUS, CONTROL DEVICE, COMPUTER...

FLUID LEAKAGE DETECTION SYSTEM

REFRIGERATION UNIT AND METHOD OF ASSEMBLING

OPEN-CLOSE VALVE UNIT, AND REFRIGERATION APPARATUS EMPLOYING THE OP...

REFRIGERANT LEAKAGE MANAGEMENT SYSTEM