using air pressure differential detectors

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F25D21/025

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F25Refrigeration F25DREFRIGERATORS COLD ROOMS ICE-BOXES COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS F25D21/00Defrosting Preventing frosting Removing condensed or defrost water

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F25D21/025using air pressure differential detectors

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Patents Grantslast 30 patents

Information Patent Grant
Refrigerator and method for controlling refrigerator
- Patent number 12,209,797
- Issue date Jan 28, 2025
- LG Electronics Inc.
- Kyongbae Park
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerator and control method of refrigerator
- Patent number 11,940,200
- Issue date Mar 26, 2024
- LG Electronics Inc.
- Sungwook Kim
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Transportation refrigeration unit with adaptive defrost
- Patent number 11,740,004
- Issue date Aug 29, 2023
- Carrier Corporation
- Michael Thomas Swab
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerator and controlling method for the same
- Patent number 11,549,740
- Issue date Jan 10, 2023
- LG Electronics Inc.
- Sungwook Kim
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerator and control method of refrigerator
- Patent number 11,231,219
- Issue date Jan 25, 2022
- LG Electronics Inc.
- Sungwook Kim
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerator and method for controlling refrigerator
- Patent number 11,143,452
- Issue date Oct 12, 2021
- LG Electronics Inc.
- Kyongbae Park
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerator
- Patent number 11,079,162
- Issue date Aug 3, 2021
- LG Electronics Inc.
- Sangbok Choi
- G01 - MEASURING TESTING
Information Patent Grant
Frost reduction by active circulation
- Patent number 9,488,404
- Issue date Nov 8, 2016
- Thermo Fisher Scientific (Asheville) LLC
- Dennis H. Smith
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Bidirectional wind pressure detecting apparatus
- Patent number 8,667,850
- Issue date Mar 11, 2014
- Seung Duk Yang
- G01 - MEASURING TESTING
Information Patent Grant
Heat pump defrost system
- Patent number 8,091,372
- Issue date Jan 10, 2012
- Mark Ekern
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Methods for detecting and responding to freezing coils in HVAC systems
- Patent number 7,836,707
- Issue date Nov 23, 2010
- Carrier Corporation
- Chris Puranen
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Automotive HVAC system and method of operating same utilizing evapo...
- Patent number 7,131,281
- Issue date Nov 7, 2006
- General Motors Corporation
- Munther M. Salim
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Automotive HVAC system and method of operating same utilizing evapo...
- Patent number 6,988,371
- Issue date Jan 24, 2006
- General Motors Corporation
- Munther M. Salim
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System and method initiating defrost in response to speed or torque...
- Patent number 5,692,385
- Issue date Dec 2, 1997
- General Electric Company
- Robert K. Hollenbeck
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Air handling system utilizing direct expansion cooling
- Patent number 5,172,565
- Issue date Dec 22, 1992
- Honeywell Inc.
- Richard A. Wruck
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Defrost for air handling system utilizing direct expansion cooling
- Patent number 5,170,635
- Issue date Dec 15, 1992
- Honeywell Inc.
- Richard A. Wruck
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air handling system utilizing direct expansion cooling
- Patent number 5,138,842
- Issue date Aug 18, 1992
- Honeywell Inc.
- Richard A. Wruck
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air handling system utilizing direct expansion cooling
- Patent number 5,133,193
- Issue date Jul 28, 1992
- Honeywell Inc.
- Richard A. Wruck
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air handling system utilizing direct expansion cooling
- Patent number 5,131,236
- Issue date Jul 21, 1992
- Honeywell Inc.
- Richard A. Wruck
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air handling system utilizing direct expansion cooling
- Patent number 5,101,639
- Issue date Apr 7, 1992
- Honeywell Inc.
- Richard A. Wruck
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Combination heated scraper and brush
- Patent number 4,930,176
- Issue date Jun 5, 1990
- Gideon Gelman
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Differential pressure operated switch
- Patent number 4,101,747
- Issue date Jul 18, 1978
- Ranco Incorporated
- William J. Houk
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus for defrosting of an evaporator in a heat pump
- Patent number 4,007,603
- Issue date Feb 15, 1977
- Projectus Industriprodukter AB
- Berth Ulrik Gustafsson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
3831392
- Patent number 3,831,392
- Issue date Aug 27, 1974
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
3728867
- Patent number 3,728,867
- Issue date Apr 24, 1973
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
3726104
- Patent number 3,726,104
- Issue date Apr 10, 1973
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
3675438
- Patent number 3,675,438
- Issue date Jul 11, 1972
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
3643457
- Patent number 3,643,457
- Issue date Feb 22, 1972
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
3623334
- Patent number 3,623,334
- Issue date Nov 30, 1971
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
3487654
- Patent number 3,487,654
- Issue date Jan 6, 1970
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
TRANSPORTATION REFRIGERATION UNIT WITH ADAPTIVE DEFROST
- Publication number 20220187007
- Publication date Jun 16, 2022
- Carrier Corporation
- Michael Thomas Swab
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATOR AND CONTROL METHOD OF REFRIGERATOR
- Publication number 20220074640
- Publication date Mar 10, 2022
- LG ELECTRONICS INC.
- Sungwook KIM
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATOR AND METHOD FOR CONTROLLING REFRIGERATOR
- Publication number 20220011043
- Publication date Jan 13, 2022
- LG ELECTRONICS INC.
- Kyongbae PARK
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATOR
- Publication number 20210325103
- Publication date Oct 21, 2021
- LG ELECTRONICS INC.
- Sangbok CHOI
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
DEFROST SYSTEM AND METHOD OF DEFROSTING AN EVAPORATOR SECTION OF A...
- Publication number 20210254881
- Publication date Aug 19, 2021
- Carrier Corporation
- Jason R. Kondrk
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATOR AND CONTROLLING METHOD FOR THE SAME
- Publication number 20210071931
- Publication date Mar 11, 2021
- LG ELECTRONICS INC.
- Sungwook KIM
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATOR AND METHOD FOR CONTROLLING REFRIGERATOR
- Publication number 20200056833
- Publication date Feb 20, 2020
- LG ELECTRONICS INC.
- Kyongbae PARK
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATOR AND CONTROL METHOD OF REFRIGERATOR
- Publication number 20190285331
- Publication date Sep 19, 2019
- LG ELECTRONICS INC.
- Sungwook KIM
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATOR
- Publication number 20190072310
- Publication date Mar 7, 2019
- LG ELECTRONICS INC.
- Sangbok CHOI
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD FOR DEFROSTING A GAS COOLING ARRANGEMENT OF A FREEZER
- Publication number 20160223246
- Publication date Aug 4, 2016
- JOHN BEAN TECHNOLOGIES AB
- Johan SILJEBORN
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
BIDIRECTIONAL WIND PRESSURE DETECTING APPARATUS
- Publication number 20120260739
- Publication date Oct 18, 2012
- Seung Duk YANG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
FROST REDUCTION BY ACTIVE CIRCULATION
- Publication number 20100077775
- Publication date Apr 1, 2010
- THERMO FISHER SCIENTIFIC (ASHEVILLE) LLC
- Dennis H. Smith
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Methods for detecting and responding to freezing coils in HVAC systems
- Publication number 20070234746
- Publication date Oct 11, 2007
- Carrier Corporation
- Chris Puranen
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Refrigeration device with adaptive automatic defrosting and corresp...
- Publication number 20070006600
- Publication date Jan 11, 2007
- BSH Bosch und Siemens Hausgerate GmbH
- Ilias Manettas
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Automotive HVAC system and method of operating same utilizing evapo...
- Publication number 20060005551
- Publication date Jan 12, 2006
- GENERAL MOTORS CORPORATION
- Munther M. Salim
- B60 - VEHICLES IN GENERAL
Information Patent Application
AUTOMOTIVE HVAC SYSTEM AND METHOD OF OPERATING SAME UTILIZING EVAPO...
- Publication number 20050262853
- Publication date Dec 1, 2005
- Munther M. Salim
- B60 - VEHICLES IN GENERAL

using air pressure differential detectors

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Refrigerator and method for controlling refrigerator

Refrigerator and control method of refrigerator

Transportation refrigeration unit with adaptive defrost

Refrigerator and controlling method for the same

Refrigerator and control method of refrigerator

Refrigerator and method for controlling refrigerator

Refrigerator

Frost reduction by active circulation

Bidirectional wind pressure detecting apparatus

Heat pump defrost system

Methods for detecting and responding to freezing coils in HVAC systems

Automotive HVAC system and method of operating same utilizing evapo...

Automotive HVAC system and method of operating same utilizing evapo...

System and method initiating defrost in response to speed or torque...

Air handling system utilizing direct expansion cooling

Defrost for air handling system utilizing direct expansion cooling

Air handling system utilizing direct expansion cooling

Air handling system utilizing direct expansion cooling

Air handling system utilizing direct expansion cooling

Air handling system utilizing direct expansion cooling

Combination heated scraper and brush

Differential pressure operated switch

Apparatus for defrosting of an evaporator in a heat pump

3831392

3728867

3726104

3675438

3643457

3623334

3487654

Patents Applicationslast 30 patents

TRANSPORTATION REFRIGERATION UNIT WITH ADAPTIVE DEFROST

REFRIGERATOR AND CONTROL METHOD OF REFRIGERATOR

REFRIGERATOR AND METHOD FOR CONTROLLING REFRIGERATOR

REFRIGERATOR

DEFROST SYSTEM AND METHOD OF DEFROSTING AN EVAPORATOR SECTION OF A...

REFRIGERATOR AND CONTROLLING METHOD FOR THE SAME

REFRIGERATOR AND METHOD FOR CONTROLLING REFRIGERATOR

REFRIGERATOR AND CONTROL METHOD OF REFRIGERATOR

REFRIGERATOR

METHOD FOR DEFROSTING A GAS COOLING ARRANGEMENT OF A FREEZER

BIDIRECTIONAL WIND PRESSURE DETECTING APPARATUS

FROST REDUCTION BY ACTIVE CIRCULATION

Methods for detecting and responding to freezing coils in HVAC systems

Refrigeration device with adaptive automatic defrosting and corresp...

Automotive HVAC system and method of operating same utilizing evapo...

AUTOMOTIVE HVAC SYSTEM AND METHOD OF OPERATING SAME UTILIZING EVAPO...