Refrigerant level

Industry

CPC
F25B2700/04

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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 F25B2700/00Sensing or detecting of parameters Sensors therefor

Current Industry

F25B2700/04Refrigerant level

Industries

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Patents Grantslast 30 patents

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
Refrigeration system with efficient expansion device control, liqui...
- Patent number 12,209,779
- Issue date Jan 28, 2025
- Hill Phoenix, Inc.
- Senthilkumar Kandappa Goundar Shanmugam
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Cooling system with flooded low side heat exchangers
- Patent number 12,203,687
- Issue date Jan 21, 2025
- Heatcraft Refrigeration Products LLC
- Shitong Zha
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method, system and device for converting a standard mini-split AC u...
- Patent number 12,196,466
- Issue date Jan 14, 2025
- Perfect Aire LLC
- Jason A. Slager
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Autofill overfill protection temperature sensing air conditioning c...
- Patent number 12,187,099
- Issue date Jan 7, 2025
- PACIFIC LINK, L.L.C.
- Alexander M. Kuo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Smart accumulator with oil circulation ratio sensing
- Patent number 12,173,941
- Issue date Dec 24, 2024
- Purdue Research Foundation
- Eckhard Achim Groll
- 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
Methods for estimating refrigerant charge for HVACR systems
- Patent number 12,067,333
- Issue date Aug 20, 2024
- TRANE INTERNATIONAL INC.
- Jian Ming Zhang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Air-conditioning management system and refrigerant recovery managem...
- Patent number 12,066,227
- Issue date Aug 20, 2024
- Daikin Industries, Ltd.
- Yuuta Iyoshi
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigeration cycle apparatus
- Patent number 12,044,444
- Issue date Jul 23, 2024
- Mitsubishi Electric Corporation
- Takuya Matsuda
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Liquid level detector and air conditioning apparatus including the...
- Patent number 12,000,636
- Issue date Jun 4, 2024
- Mitsubishi Electric Corporation
- Hiroki Maruyama
- G01 - MEASURING TESTING
Information Patent Grant
Mode-based control of a refrigeration climate control system
- Patent number 12,000,637
- Issue date Jun 4, 2024
- Apple Inc.
- Nicholas A. Gregorich
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Refrigerant leakage detection system
- Patent number 11,994,326
- Issue date May 28, 2024
- Daikin Industries, Ltd.
- Junya Minami
- G01 - MEASURING TESTING
Information Patent Grant
Temperature difference sensor for HVAC systems
- Patent number 11,982,452
- Issue date May 14, 2024
- Lennox Industries Inc.
- Rakesh Goel
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Apparatus, method, and program for estimating amount of refrigerant
- Patent number 11,971,203
- Issue date Apr 30, 2024
- Daikin Industries, Ltd.
- Manabu Yoshimi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Refrigeration system and the lubrication method thereof
- Patent number 11,965,681
- Issue date Apr 23, 2024
- Carrier Corporation
- Michael A. Stark
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigeration system with efficient expansion device control, liqui...
- Patent number 11,913,690
- Issue date Feb 27, 2024
- Hill Phoenix, Inc.
- Senthilkumar Kandappa Goundar Shanmugam
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Performance degradation diagnosis system for refrigeration cycle ap...
- Patent number 11,898,783
- Issue date Feb 13, 2024
- Daikin Industries, Ltd.
- Shuji Fujimoto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Cooling system with flooded low side heat exchangers
- Patent number 11,879,675
- Issue date Jan 23, 2024
- Heatcraft Refrigeration Products LLC
- Shitong Zha
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigeration cycle apparatus
- Patent number 11,802,722
- Issue date Oct 31, 2023
- Mitsubishi Electric Corporation
- Chitose Tanaka
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigeration device and method for determining amount of refrigera...
- Patent number 11,788,781
- Issue date Oct 17, 2023
- Daikin Industries, Ltd.
- Shuichi Taguchi
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant recovery management system
- Patent number 11,781,794
- Issue date Oct 10, 2023
- Daikin Industries, Ltd.
- Mai Mimura
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigeration system and throttle control method therefor
- Patent number 11,761,695
- Issue date Sep 19, 2023
- Carrier Corporation
- Shaojuan Si
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant leak sensor power control systems and methods
- Patent number 11,649,997
- Issue date May 16, 2023
- Emerson Climate Technologies, Inc.
- David Alfano
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant leak sensor measurement adjustment systems and methods
- Patent number 11,609,032
- Issue date Mar 21, 2023
- Emerson Climate Technologies, Inc.
- Brian R. Butler
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Apparatus, method, and program for estimating amount of refrigerant
- Patent number 11,549,735
- Issue date Jan 10, 2023
- Daikin Industries, Ltd.
- Yuusuke Oka
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigeration cycle apparatus
- Patent number 11,535,781
- Issue date Dec 27, 2022
- Daikin Industries, Ltd.
- Eiji Kumakura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Refrigeration system with efficient expansion device control, liqui...
- Patent number 11,536,498
- Issue date Dec 27, 2022
- Hill Phoenix, Inc.
- Senthilkumar Kandappa Goundar Shanmugam
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Cooling system with additional receiver
- Patent number 11,493,247
- Issue date Nov 8, 2022
- Heatcraft Refrigeration Products LLC
- Xi Sun
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant charge device and refrigerant charge system having the...
- Patent number 11,493,249
- Issue date Nov 8, 2022
- Samsung Electronics Co., Ltd.
- Tadahiro Nakagawa
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
AUTOFILL OVERFILL PROTECTION TEMPERATURE SENSING AIR CONDITIONING C...
- Publication number 20250091409
- Publication date Mar 20, 2025
- PACIFIC LINK, L.L.C.
- Alexander M. KUO
- B60 - VEHICLES IN GENERAL
Information Patent Application
CIRCULATION DEVICE FOR TWO-PHASE COOLING SYSTEM AND REFRIGERANT CIR...
- Publication number 20250093079
- Publication date Mar 20, 2025
- Shimadzu Corporation
- Shotaro MATSUDA
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Systems and Methods for Flash Tank Liquid Level Control
- Publication number 20250085039
- Publication date Mar 13, 2025
- RHEEM MANUFACTURING COMPANY
- Ammar Khuzeima Sakarwala
- 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
EQUIPMENT MANAGEMENT SYSTEM AND MANAGEMENT METHOD
- Publication number 20240310097
- Publication date Sep 19, 2024
- Mitsubishi Electric Corporation
- Shun KATO
- F24 - HEATING RANGES VENTILATING
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
ON-DEMAND AIR BLEEDING METHOD FOR REFRIGERATION SYSTEMS, AND SYSTEM...
- Publication number 20240288207
- Publication date Aug 29, 2024
- HANTECH BRASIL COMERCIAL IMPORTADORA E EXPORTADORA LTDA
- Luciano Lombardi CRISOSTOMO
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
COOLING SYSTEM
- Publication number 20240215207
- Publication date Jun 27, 2024
- Giga Computing Technology Co., Ltd.
- Jian-Hung Lin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Refrigeration System with Efficient Expansion Device Control, Liqui...
- Publication number 20240175610
- Publication date May 30, 2024
- Hill Phoenix, Inc.
- Senthilkumar Kandappa Goundar Shanmugam
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
AIR CONDITIONING SYSTEM, REFRIGERANT AMOUNT ESTIMATION METHOD FOR A...
- Publication number 20240175595
- Publication date May 30, 2024
- FUJITSU GENERAL LIMITED
- Shinji SASAKI
- F24 - HEATING RANGES VENTILATING
Information Patent Application
REFRIGERATION CYCLE APPARATUS AND REFRIGERATION CYCLE METHOD
- Publication number 20240167745
- Publication date May 23, 2024
- Mitsubishi Electric Corporation
- Yuki MORI
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
MODE-BASED CONTROL OF A REFRIGERATION CLIMATE CONTROL SYSTEM
- Publication number 20240102711
- Publication date Mar 28, 2024
- Apple Inc.
- Nicholas A. Gregorich
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
COOLING SYSTEM WITH FLOODED LOW SIDE HEAT EXCHANGERS
- Publication number 20240093921
- Publication date Mar 21, 2024
- Heatcraft Refrigeration Products LLC
- Shitong Zha
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD OF EVALUATING REFRIGERANT CHARGE WITHIN A REFRIGERATION CIRCUIT
- Publication number 20240077237
- Publication date Mar 7, 2024
- Carrier Corporation
- Lucas Chapeau
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEMS AND METHODS OF REMOTE MONITORING OF REFRIGERATION AND COOLI...
- Publication number 20240053074
- Publication date Feb 15, 2024
- DEHON SAS
- Thomas LANDSPURG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
System and Method for Monitoring an Operation of a Vapor Compressio...
- Publication number 20230392845
- Publication date Dec 7, 2023
- Mitsubishi Electric Research Laboratories, Inc.
- Christopher Laughman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
TRANSPORTATION REFRIGERATION UNIT AND METHOD OF MEASURING QUANTITY...
- Publication number 20230392841
- Publication date Dec 7, 2023
- Carrier Corporation
- Maxime Lejeune
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATION SYSTEM, CONTROL METHOD THEREOF AND TRANSPORT VEHICLE
- Publication number 20230332810
- Publication date Oct 19, 2023
- Carrier Corporation
- Kangshan Xie
- B60 - VEHICLES IN GENERAL
Information Patent Application
SYSTEMS AND METHODS FOR CONTROLLING VARIABLE REFRIGERANT FLOW SYSTE...
- Publication number 20230194137
- Publication date Jun 22, 2023
- Johnson Controls Tyco IP Holdings LLP
- Bo Fan
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
HEAT EXCHANGE SYSTEM, AIR CONDITIONING APPARATUS AND CONTROL METHOD...
- Publication number 20230152014
- Publication date May 18, 2023
- CHONGQING MIDEA GERENAL REFRIGERATION EQUIPMENT CO., LTD.
- Yantao GU
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Refrigeration System with Efficient Expansion Device Control, Liqui...
- Publication number 20230112193
- Publication date Apr 13, 2023
- Hill Phoenix, Inc.
- Senthilkumar Kandappa Goundar Shanmugam
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Refrigerant Charge Monitoring Systems And Methods For Multiple Evap...
- Publication number 20230109334
- Publication date Apr 6, 2023
- Emerson Climate Technologies, Inc.
- Andrew WELCH
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATION CYCLE APPARATUS
- Publication number 20230097829
- Publication date Mar 30, 2023
- DAIKIN INDUSTRIES, LTD.
- Eiji KUMAKURA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Device for measuring a liquid level of a medium at a high temperatu...
- Publication number 20230093463
- Publication date Mar 23, 2023
- Armaturenwerk Altenburg GmbH
- Lucas MIKESCH
- G01 - MEASURING TESTING
Information Patent Application
REFRIGERANT PUMP AND DATA CENTER COOLING SYSTEM
- Publication number 20230083147
- Publication date Mar 16, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Hui WANG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHODS FOR ESTIMATING REFRIGERANT CHARGE FOR HVACR SYSTEMS
- Publication number 20230014287
- Publication date Jan 19, 2023
- TRANE INTERNATIONAL INC.
- Jian Ming ZHANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AIR-CONDITIONING MANAGEMENT SYSTEM AND REFRIGERANT RECOVERY MANAGEM...
- Publication number 20220390159
- Publication date Dec 8, 2022
- Daikin Industries, Ltd.
- Yuuta IYOSHI
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SMART ACCUMULATOR WITH OIL CIRCULATION RATIO SENSING
- Publication number 20220390156
- Publication date Dec 8, 2022
- Purdue Research Foundation
- Eckhard Achim Groll
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATION CYCLE APPARATUS
- Publication number 20220390161
- Publication date Dec 8, 2022
- Mitsubishi Electric Corporation
- Hiroki ISHIYAMA
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
LIQUID LEVEL DETECTOR AND AIR CONDITIONING APPARATUS INCLUDING THE...
- Publication number 20220325932
- Publication date Oct 13, 2022
- Mitsubishi Electric Corporation
- Hiroki MARUYAMA
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Refrigerant level

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Refrigerant leakage determination system

Refrigeration system with efficient expansion device control, liqui...

Cooling system with flooded low side heat exchangers

Method, system and device for converting a standard mini-split AC u...

Autofill overfill protection temperature sensing air conditioning c...

Smart accumulator with oil circulation ratio sensing

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

Methods for estimating refrigerant charge for HVACR systems

Air-conditioning management system and refrigerant recovery managem...

Refrigeration cycle apparatus

Liquid level detector and air conditioning apparatus including the...

Mode-based control of a refrigeration climate control system

Refrigerant leakage detection system

Temperature difference sensor for HVAC systems

Apparatus, method, and program for estimating amount of refrigerant

Refrigeration system and the lubrication method thereof

Refrigeration system with efficient expansion device control, liqui...

Performance degradation diagnosis system for refrigeration cycle ap...

Cooling system with flooded low side heat exchangers

Refrigeration cycle apparatus

Refrigeration device and method for determining amount of refrigera...

Refrigerant recovery management system

Refrigeration system and throttle control method therefor

Refrigerant leak sensor power control systems and methods

Refrigerant leak sensor measurement adjustment systems and methods

Apparatus, method, and program for estimating amount of refrigerant

Refrigeration cycle apparatus

Refrigeration system with efficient expansion device control, liqui...

Cooling system with additional receiver

Refrigerant charge device and refrigerant charge system having the...

Patents Applicationslast 30 patents

AUTOFILL OVERFILL PROTECTION TEMPERATURE SENSING AIR CONDITIONING C...

CIRCULATION DEVICE FOR TWO-PHASE COOLING SYSTEM AND REFRIGERANT CIR...

Systems and Methods for Flash Tank Liquid Level Control

SYSTEM AND METHOD FOR DETECTION OF REFRIGERANT LEAKS

EQUIPMENT MANAGEMENT SYSTEM AND MANAGEMENT METHOD

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

ON-DEMAND AIR BLEEDING METHOD FOR REFRIGERATION SYSTEMS, AND SYSTEM...

COOLING SYSTEM

Refrigeration System with Efficient Expansion Device Control, Liqui...

AIR CONDITIONING SYSTEM, REFRIGERANT AMOUNT ESTIMATION METHOD FOR A...

REFRIGERATION CYCLE APPARATUS AND REFRIGERATION CYCLE METHOD

MODE-BASED CONTROL OF A REFRIGERATION CLIMATE CONTROL SYSTEM

COOLING SYSTEM WITH FLOODED LOW SIDE HEAT EXCHANGERS

METHOD OF EVALUATING REFRIGERANT CHARGE WITHIN A REFRIGERATION CIRCUIT

SYSTEMS AND METHODS OF REMOTE MONITORING OF REFRIGERATION AND COOLI...

System and Method for Monitoring an Operation of a Vapor Compressio...

TRANSPORTATION REFRIGERATION UNIT AND METHOD OF MEASURING QUANTITY...

REFRIGERATION SYSTEM, CONTROL METHOD THEREOF AND TRANSPORT VEHICLE

SYSTEMS AND METHODS FOR CONTROLLING VARIABLE REFRIGERANT FLOW SYSTE...

HEAT EXCHANGE SYSTEM, AIR CONDITIONING APPARATUS AND CONTROL METHOD...

Refrigeration System with Efficient Expansion Device Control, Liqui...

Refrigerant Charge Monitoring Systems And Methods For Multiple Evap...

REFRIGERATION CYCLE APPARATUS

Device for measuring a liquid level of a medium at a high temperatu...

REFRIGERANT PUMP AND DATA CENTER COOLING SYSTEM

METHODS FOR ESTIMATING REFRIGERANT CHARGE FOR HVACR SYSTEMS

AIR-CONDITIONING MANAGEMENT SYSTEM AND REFRIGERANT RECOVERY MANAGEM...

SMART ACCUMULATOR WITH OIL CIRCULATION RATIO SENSING

REFRIGERATION CYCLE APPARATUS

LIQUID LEVEL DETECTOR AND AIR CONDITIONING APPARATUS INCLUDING THE...