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MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F25
Refrigeration
F25B
REFRIGERATION MACHINES, PLANTS OR SYSTEMS COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT-PUMP SYSTEMS
F25B2600/00
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F25B2600/02
Compressor control
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Patents Grants
last 30 patents
Information
Patent Grant
Air conditioner
Patent number
12,253,277
Issue date
Mar 18, 2025
Daikin Industries, Ltd.
Atsushi Yoshimi
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
System and method for extending the operating range of a dynamic co...
Patent number
12,247,773
Issue date
Mar 11, 2025
Copeland LP
Michael M. Perevozchikov
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor return gas dryness detection method, apparatus, device,...
Patent number
12,235,030
Issue date
Feb 25, 2025
GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.
Yusheng Zhang
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Systems and methods for modeling of chiller efficiency and determin...
Patent number
12,235,031
Issue date
Feb 25, 2025
TRANE INTERNATIONAL INC.
Brian A. Kirkman
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
System and method of hot gas defrost control for multistage cascade...
Patent number
12,228,318
Issue date
Feb 18, 2025
Trane Technologies Life Sciences LLC
David Scott Farrar
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Refrigerator with refrigerant recovery control
Patent number
12,222,145
Issue date
Feb 11, 2025
LG Electronics Inc.
Sangil Lee
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Inverter unit
Patent number
12,218,612
Issue date
Feb 4, 2025
Valeo Japan Co., Ltd.
Mathieu Varillon
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Energy management for refrigeration systems
Patent number
12,215,904
Issue date
Feb 4, 2025
Copeland Cold Chain LP
John Wallace
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Magnetic bearing compressor protection
Patent number
12,209,777
Issue date
Jan 28, 2025
Carrier Corporation
Vishnu M. Sishtla
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Peak demand response operation of HVAC systems
Patent number
12,202,316
Issue date
Jan 21, 2025
Lennox Industries Inc.
Rakesh Goel
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Systems and methods for determining startup pressure ratio for dyna...
Patent number
12,196,470
Issue date
Jan 14, 2025
Copeland LP
Matthew J. Swallow
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
System and method for heating and cooling
Patent number
12,188,668
Issue date
Jan 7, 2025
DAIKIN MANUFACTURING COMPANY, L.P.
Masahiro Honda
G05 - CONTROLLING REGULATING
Information
Patent Grant
Vapor cycle cooling system for high powered devices
Patent number
12,181,193
Issue date
Dec 31, 2024
Honeywell International Inc.
Andrew Zug
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and a system for preventing a freeze event using refrigerant...
Patent number
12,181,203
Issue date
Dec 31, 2024
Lennox Industries Inc.
Rakesh Goel
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air conditioner
Patent number
12,181,163
Issue date
Dec 31, 2024
QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
Heng Zhang
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Refrigerating and air-conditioning apparatus
Patent number
12,173,944
Issue date
Dec 24, 2024
Mitsubishi Electric Corporation
Kazunori Sakanobe
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Control method and system for refrigeration, oil return and noise r...
Patent number
12,173,943
Issue date
Dec 24, 2024
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
Ming Zhang
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Carbon dioxide overlapping type heating system, and control method...
Patent number
12,173,945
Issue date
Dec 24, 2024
JIANGSU SUJING GROUP CO., LTD.
Hao Pan
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Refrigeration cycle apparatus
Patent number
12,169,090
Issue date
Dec 17, 2024
Mitsubishi Electric Corporation
Masahiro Ito
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Multi-feed chiller-heater production module and method of controlli...
Patent number
12,163,704
Issue date
Dec 10, 2024
TRANE INTERNATIONAL INC.
Lee R. Cline
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Refrigerator and method of controlling the same
Patent number
12,163,710
Issue date
Dec 10, 2024
Samsung Electronics Co., Ltd.
Jin Jeong
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Surge prevention in a chiller with centrifugal compressor
Patent number
12,163,711
Issue date
Dec 10, 2024
Carrier Corporation
Vishnu Sishtla
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Refrigeration cycle apparatus
Patent number
12,158,293
Issue date
Dec 3, 2024
Mitsubishi Electric Corporation
Hiroki Ishiyama
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Variable refrigerant package
Patent number
RE50221
Issue date
Nov 26, 2024
Friedrich Air Conditioning, LLC
Kevin L. Eicher
Information
Patent Grant
Gas bearing management for a compressor
Patent number
12,146,497
Issue date
Nov 19, 2024
TRANE INTERNATIONAL INC.
Jacob T. Helgerson
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Refrigeration appliance with compartment which can be used in a var...
Patent number
12,146,695
Issue date
Nov 19, 2024
BSH Haugeraete GmbH
Andreas Babucke
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Multi-capacity compressor with variable speed drive and method of use
Patent number
12,140,345
Issue date
Nov 12, 2024
Regal Beloit America, Inc.
Ludovic Andre Chretien
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Buck-converter-based drive circuits for driving motors of compresso...
Patent number
12,136,872
Issue date
Nov 5, 2024
Copeland LP
Joseph G. Marcinkiewicz
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Heat source unit and refrigeration device having low-stage and high...
Patent number
12,123,629
Issue date
Oct 22, 2024
Daikin Industries, Ltd.
Masaaki Takegami
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR DETERMINING STARTUP PRESSURE RATIO FOR DYNA...
Publication number
20250093084
Publication date
Mar 20, 2025
Copeland LP
Matthew J. Swallow
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
System and Method for Heating and Cooling
Publication number
20250067454
Publication date
Feb 27, 2025
Daikin Manufacturing Company, L.P.
Masahiro Honda
F24 - HEATING RANGES VENTILATING
Information
Patent Application
METHOD OF OPERATING A MOTOR COUPLED TO A MECHANICAL LOAD
Publication number
20250052466
Publication date
Feb 13, 2025
THERMO KING LLC
Matthias GORSKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
Compressor/Expander Machine
Publication number
20250044007
Publication date
Feb 6, 2025
Bitzer Kuehlmaschinenbau GmbH
Marcus Blumhardt
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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
MOTOR DRIVE SYSTEM AND CONTROL METHOD FOR CHILLER UNIT
Publication number
20250012498
Publication date
Jan 9, 2025
Carrier Corporation
Da Jin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
MOTOR DRIVING DEVICE AND REFRIGERATION CYCLE-INCORPORATING DEVICE
Publication number
20250015740
Publication date
Jan 9, 2025
Mitsubishi Electric Corporation
Shoei TSUTSUMI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
COOLING MECHANISM
Publication number
20250003659
Publication date
Jan 2, 2025
Disco Corporation
Hideyuki SUZUKI
B24 - GRINDING POLISHING
Information
Patent Application
REFRIGERATION CYCLE DEVICE
Publication number
20240424864
Publication date
Dec 26, 2024
DENSO CORPORATION
Yukihisa IJUIN
B60 - VEHICLES IN GENERAL
Information
Patent Application
CONTROL OF REFRIGERATION AND HEAT PUMP SYSTEMS THAT INCLUDE PRESSUR...
Publication number
20240418416
Publication date
Dec 19, 2024
Energy Recovery, Inc.
Azam Mihir Thatte
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Application
TWO-STAGE REFRIGERANT COMPRESSOR AND OPERATION METHOD THEREOF
Publication number
20240418169
Publication date
Dec 19, 2024
FU SHENG INDUSTRIAL CO., LTD.
Wei-Hsu LIN
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
METHOD AND A SYSTEM FOR PREVENTING A FREEZE EVENT USING REFRIGERANT...
Publication number
20240410636
Publication date
Dec 12, 2024
Lennox Industries Inc.
Rakesh GOEL
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
COMPRESSOR AND REFRIGERATION CYCLE DEVICE HAVING THE SAME
Publication number
20240410629
Publication date
Dec 12, 2024
Samsung Electronics Co., Ltd.
Soodol PARK
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
POWER CONVERSION APPARATUS, MOTOR DRIVE APPARATUS, AND REFRIGERATIO...
Publication number
20240396486
Publication date
Nov 28, 2024
Mitsubishi Electric Corporation
Shinya TOYODOME
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
REFRIGERATION AND HEAT PUMP SYSTEMS WITH PRESSURE EXCHANGERS
Publication number
20240393017
Publication date
Nov 28, 2024
Energy Recovery, Inc.
Azam Mihir Thatte
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Application
Systems and Methods for Passive and Active Hybrid Defrost Control f...
Publication number
20240392595
Publication date
Nov 28, 2024
Hayward Industries, Inc.
Norman Gregory Beaty
E04 - BUILDING
Information
Patent Application
REFRIGERATED DRYER POWER SAVING CONTROLS
Publication number
20240393025
Publication date
Nov 28, 2024
Ingersoll-Rand Industrial U.S., Inc.
Lalitkumar Jamnadas Vaishnav
F24 - HEATING RANGES VENTILATING
Information
Patent Application
POWER CONVERSION DEVICE, MOTOR DRIVE DEVICE, AND REFRIGERATION-CYCL...
Publication number
20240396465
Publication date
Nov 28, 2024
Mitsubishi Electric Corporation
Tomohiro KUTSUKI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
REFRIGERATING DEVICE AND ENVIRONMENTAL TESTING APPARATUS
Publication number
20240384908
Publication date
Nov 21, 2024
ESPEC CORP.
Tetsuya OKADOME
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM AND METHOD FOR OPERATING A COMPRESSOR OF AN ENERGY EFFICIENT...
Publication number
20240384901
Publication date
Nov 21, 2024
Johnson Controls Tyco IP Holdings LLP
Ewin Ramster Melwin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
POWER CONVERTER, MOTOR DRIVE APPARATUS, AND REFRIGERATION CYCLE APP...
Publication number
20240380350
Publication date
Nov 14, 2024
Mitsubishi Electric Corporation
Tomohiro KUTSUKI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Automatic Maintenance and Flow Control of Heat Exchanger
Publication number
20240361058
Publication date
Oct 31, 2024
S. A. Armstrong Limited
Zeljko Terzic
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
CONTROLLING VAPOR COMPRESSION COOLING IN A THERMAL SYSTEM
Publication number
20240361057
Publication date
Oct 31, 2024
Atieva, Inc.
Youssef Ahmad Mustafa Jaber
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
REFRIGERATION SYSTEM WITH VARIABLE SPEED COMPRESSOR
Publication number
20240328694
Publication date
Oct 3, 2024
Labworks International Inc.
Glenn Edward McCarthy
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
VOLUME RATIO CONTROL SYSTEM FOR A COMPRESSOR
Publication number
20240318656
Publication date
Sep 26, 2024
TYCO FIRE & SECURITY GMBH
Paul Nemit
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
DUAL-COMPRESSOR VAPOR CYCLE SYSTEM
Publication number
20240318883
Publication date
Sep 26, 2024
Honeywell International Inc.
Sung-Han Jung
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
Control Circuit Including a Controller and an Enable Module, Signal...
Publication number
20240310100
Publication date
Sep 19, 2024
Infineon Technologies Austria AG
Yao Wang
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CRYOGENIC REFRIGERATION SYSTEM AND CRYOGENIC PUMP
Publication number
20240302088
Publication date
Sep 12, 2024
Leybold Dresden GmbH
Michael Hampel
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
COMPRESSOR CONTROL SYSTEM FOR OPEN-WALLED TEMPERATURE CONTROLLED EN...
Publication number
20240271845
Publication date
Aug 15, 2024
KPS Global LLC
Rahul Sharma
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
REFRIGERATION CYCLE DEVICE, CONTROL METHOD, AND NON-TRANSITORY COMP...
Publication number
20240263855
Publication date
Aug 8, 2024
Mitsubishi Electric Corporation
Koji FUKUI
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...