ClassID:

158208

F24F2003/1458 - CPC Classification

Classification description:

Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification using regenerators

Sub-classes:
Recent Application in this class:
#1
20260132952
2026-05-14

AIR CONDITIONING SYSTEM AND METHOD FOR CONTROLLING SAME

#2
20260002679
2026-01-01

METHOD AND SYSTEM FOR DEHUMIDIFICATION AND ATMOSPHERIC WATER EXTRACTION WITH MINIMAL ENERGY CONSUMPTION

#3
20250251155
2025-08-07

REDUCTIVE DEHUMIDIFIER WITH BUILT-IN HEATING DEVICE

#4
20250222393
2025-07-10

LIQUID DESICCANT REGENERATION SYSTEMS AND METHODS INCLUDING AIR DIFFUSER

#5
20250216098
2025-07-03

ULTRA LOW FLOW DESICCANT AIR CONDITIONING SYSTEMS DEVICES AND METHODS

#6
20250207814
2025-06-26

Liquid Desiccant Air Conditioner Modules Having Interlocking Panels For Controlling Airflow

#7
20250207791
2025-06-26

Multi-Stage Liquid Desiccant Dehumidification Systems and Methods

#8
20250180235
2025-06-05

STAGED REGENERATED LIQUID DESICCANT DEHUMIDIFICATION SYSTEMS

#9
20250177904
2025-06-05

METHOD OF PRODUCING A DESICCANT ROTOR

#10
20250093053
2025-03-20

Cooling Systems Having An Integrated Ionic Liquid Salt Dehumidification System

#11
20250060122
2025-02-20

MACHINE LEARNING BASED CONTROL SYSTEMS FOR HEATING VENTILATION AND COOLING SYSTEMS

#12
20240418380
2024-12-19

ROOFTOP AIR CONDITIONING UNIT

#13
20240384880
2024-11-21

COMPRESSORLESS AIR CONDITIONING SYSTEM

#14
20240369239
2024-11-07

HYBRID AIR-CONDITIONING SYSTEM FOR EFFICIENT COOLING AND DEHUMIDIFICATION AND METHOD

#15
20240353123
2024-10-24

MODULAR DEHUMIDIFICATION SYSTEM

#16
20240337393
2024-10-10

Ultra low flow desiccant air conditioning systems devices and methods

#17
20240328643
2024-10-03

AIR CONDITIONING SYSTEM USING THERMALLY RESPONSIVE LIQUID DESICCANTS

#18
20240299876
2024-09-12

DEHUMIDIFICATION LIQUID REGENERATION APPARATUS AND LIQUID DEHUMIDIFICATION SYSTEM INCLUDING SAME

#19
20240280275
2024-08-22

Air treatment system

#20
20240198313
2024-06-20

MICROWAVE-ASSISTED, SILICA-BASED COMPOSITE DESICCANT DEHUMIDIFICATION METHOD AND SYSTEM

#21
20240191888
2024-06-13

A SYSTEM AND METHOD FOR DEHUMIDIFYING AIR

#22
20240183547
2024-06-06

METHOD AND SYSTEM FOR DEHUMIDIFICATION AND ATMOSPHERIC WATER EXTRACTION WITH MINIMAL ENERGY CONSUMPTION

#23
20240110712
2024-04-04

Systems and methods for air dehumidification in an enclosed space

#24
20240109023
2024-04-04

Methods and Apparatus for Rejecting Moisture from a Desiccant Solution

#25
20230383963
2023-11-30

Cooling systems having an integrated ionic liquid salt dehumidification system

#26
20230366568
2023-11-16

Dehumidifying air handling unit and desiccant wheel therefor

#27
20230332780
2023-10-19

LIQUID DESICCANT AIR CONDITIONING USING AIR AS HEAT TRANSFER MEDIUM

#28
20230314074
2023-10-05

DRYING STORAGE

#29
20230280049
2023-09-07

ELECTROCHEMICALLY REGENERATED LIQUID DESICCANT DEHUMIDIFICATION SYSTEM USING A SECONDARY HEAT PUMP

#30
20230243525
2023-08-03

VAPOR-SELECTIVE NANOSTRUCTURED MEMBRANE HEAT EXCHANGERS FOR COOLING AND DEHUMIDIFICATION

#31
20230221014
2023-07-13

Dehumidification system and method

#32
20230191312
2023-06-22

Electrochemically regenerated liquid desiccant dehumidification system using a secondary heat pump

#33
20230135067
2023-05-04

Integrated desiccant-based cooling and dehumidification

#34
20230068981
2023-03-02

HIGH EFFICIENCY MOISTURE REMOVAL DEHUMIDIFICATION DEVICE FOR DEHUMIDIFYING LOW TEMPERATURE STORAGE

#35
20230003400
2023-01-05

Humidifying unit

#36
20220307710
2022-09-29

DEHUMIDIFICATION SYSTEM

#37
20220299223
2022-09-22

Staged regenerated liquid desiccant dehumidification systems

#38
20220260262
2022-08-18

Dehumidifying air handling unit and desiccant wheel therefor

#39
20220221166
2022-07-14

HUMIDIFYING UNIT

#40
20220196263
2022-06-23

Integrated desiccant-based cooling and dehumidification

#41
20220176344
2022-06-09

Metal organic framework based water capture apparatus

#42
20220136715
2022-05-05

Device for Continuous and Efficient Water Absorption and Regeneratation of Desiccant, an Air Cooler, and a Method for Controlling Such a Device

#43
20220099314
2022-03-31

Cooling systems having an integrated ionic liquid salt dehumidification system

#44
20220049861
2022-02-17

HUMIDITY CONTROL SYSTEM

#45
20220018554
2022-01-20

METHOD(S) FOR CHANGING CONCENTRATION OF A SOLUTE WITHIN A SOLUTION

#46
20220003435
2022-01-06

SYSTEMS AND METHODS FOR AIR DEHUMIDIFICATION IN AN ENCLOSED SPACE

#47
20210381702
2021-12-09

Dry room and method for controlling same

#48
20210381701
2021-12-09

Dehumidifying device for dew point temperature adjustment

#49
20210254844
2021-08-19

Closed-air closed-desiccant humidifier-dehumidifier atmospheric water generator system

#50
20210199331
2021-07-01

Humidity indicating apparatus for dehumidifier

#51
20210140654
2021-05-13

System and method for dehumidification of air by liquid desiccant across membrane

#52
20210116139
2021-04-22

Air purification and dehumidification apparatus using solar energy

#53
20210063031
2021-03-04

Dehumidification structure

#54
20210055010
2021-02-25

Method and system for dehumidification and atmospheric water extraction with minimal energy consumption

#55
20200393145
2020-12-17

Integrated desiccant-based cooling and dehumidification

#56
20200386421
2020-12-10

Liquid desiccant air conditioning systems and methods

#57
20200363078
2020-11-19

Metal organic framework based water capture apparatus

#58
20200282379
2020-09-10

Metal organic framework based water capture apparatus

#59
20200217526
2020-07-09

Dry air supply systems

#60
20200217525
2020-07-09

HUMIDITY CONTROL DEVICE

#61
20200164312
2020-05-28

Electrodialytic system used to remove solvent from fluid and non-fluid flows

#62
20200096241
2020-03-26

Rooftop liquid desiccant systems and methods

#63
20200063995
2020-02-27

WATER RECOVERY IN DESICCANT ENHANCED EVAPORATIVE COOLING SYSTEMS

#64
20200061522
2020-02-27

Desiccant dehumidifier

#65
20200030742
2020-01-30

Drying compressed gas

#66
20200018496
2020-01-16

Cabin air desiccant dehumidifier

#67
20190338966
2019-11-07

System and method for dehumidification of air by liquid desiccant across membrane

#68
20190299158
2019-10-03

Liquid desiccant based dehumidification and cooling system

#69
20190285290
2019-09-19

Heat-pump driven desiccant regeneration

#70
20190249886
2019-08-15

Desiccant air conditioning methods and systems using evaporative chiller

#71
20190242595
2019-08-08

System, components, and methods for air, heat, and humidity exchanger

#72
20190232219
2019-08-01

Parallel split flow combination gas dryer

#73
20190184334
2019-06-20

Liquid desiccant based dehumidification and cooling system

#74
20190154281
2019-05-23

CONTROL SYSTEMS FOR LIQUID DESICCANT AIR CONDITIONING SYSTEMS

#75
20190154280
2019-05-23

Tank system for liquid desiccant air conditioning system

#76
20190145709
2019-05-16

METHODS AND SYSTEMS FOR COOLING BUILDINGS WITH LARGE HEAT LOADS USING DESICCANT CHILLERS

#77
20190145643
2019-05-16

Load follower and load anticipator for a liquid desiccant air conditioning system

#78
20190145640
2019-05-16

METHODS AND SYSTEMS FOR LIQUID DESICCANT AIR CONDITIONING

#79
20190145639
2019-05-16

Methods and apparatus for uniform distribution of liquid desiccant in membrane modules in liquid desiccant air-conditioning systems

#80
20190063761
2019-02-28

Air conditioner

#81
20190022574
2019-01-24

Dehumidification air conditioning apparatus

#82
20180328602
2018-11-15

Methods and systems for mini-split liquid desiccant air conditioning

#83
20180299147
2018-10-18

Adsorptive hybrid desiccant cooling system

#84
20180281267
2018-10-04

HVAC, pump, and dehumidifier combined utilities skid supporting blow-molding machines

#85
20180238568
2018-08-23

Air conditioning method using a staged process using a liquid desiccant

#86
20180187906
2018-07-05

Cooling systems having an integrated ionic liquid salt dehumidification system

#87
20180128517
2018-05-10

Heat pump system and method for air conditioning

#88
20180045423
2018-02-15

Combined systems for utilization of waste heat

#89
20170370598
2017-12-28

Heat and mass transfer devices with wettable layers for forming falling films

#90
20170321909
2017-11-09

Dehumidification system and method

#91
20170292722
2017-10-12

METHODS AND SYSTEMS FOR LIQUID DESICCANT AIR CONDITIONING SYSTEM RETROFIT

#92
20170284685
2017-10-05

Heat pumps utilizing ionic liquid desiccant

#93
20170241654
2017-08-24

Methods for enhancing the dehumidification of heat pumps

#94
20170205154
2017-07-20

A METHOD OF CONDITIONING AIR AND AN AIR-CONDITIONER MODULE

#95
20170205091
2017-07-20

A METHOD FOR DEHUMIDIFICATION OF AIR AND SYSTEM THERETO

#96
20170205090
2017-07-20

AIR-CONDITIONER MODULE AND USE THEREOF

#97
20170205089
2017-07-20

Dehumidifier

#98
20170184319
2017-06-29

Desiccant air conditioning methods and systems

#99
20170113180
2017-04-27

Humidity controlling apparatus

#100
20170102155
2017-04-13

In-ceiling liquid desiccant air conditioning system

#101
20170074530
2017-03-16

Indirect Evaporative Cooler Using Membrane-Contained, Liquid Desiccant for Dehumidification

#102
20170045258
2017-02-16

Active Regenerative Heating and Cooling

#103
20160339380
2016-11-24

LIQUID DESICCANT REGENERATION SYSTEM, SYSTEMS INCLUDING THE SAME, AND METHODS OF OPERATING THE SAME

#104
20160298865
2016-10-13

Variable desiccant control energy exchange system and method

#105
20160290665
2016-10-06

Desiccant air conditioning methods and systems using evaporative chiller

#106
20160214055
2016-07-28

Solid desiccant cooling system

#107
20160187011
2016-06-30

Methods and systems for mini-split liquid desiccant air conditioning

#108
20160187010
2016-06-30

Methods and systems for desiccant air conditioning

#109
20160187009
2016-06-30

Methods and systems for desiccant air conditioning

#110
20160146513
2016-05-26

Desiccant cooling system

#111
20160146479
2016-05-26

DEHUMIDIFICATION DEVICE AND DEHUMIDIFICATION SYSTEM

#112
20160061461
2016-03-03

Dehumidifying apparatus

#113
20150338140
2015-11-26

Rooftop liquid desiccant systems and methods

#114
20150323203
2015-11-12

Variable desiccant control energy exchange system and method

#115
20150323202
2015-11-12

Humidity regulating apparatus

#116
20150292754
2015-10-15

Air conditioning method using a staged process using a liquid desiccant

#117
20150241071
2015-08-27

Personal dehumidification system

#118
20150233589
2015-08-20

Liquid desiccant regeneration system, systems including the same, and methods of operating the same

#119
20150211754
2015-07-30

Air-conditioning system and use thereof

#120
20150184876
2015-07-02

Methods and systems for desiccant air conditioning

#121
20150153051
2015-06-04

Apparatus and method for control of solid desiccant dehumidifiers

#122
20150047382
2015-02-19

FULLY REGENERATIVE LIQUID DESICCANT SYSTEM FOR RESIDENTIAL APPLICATIONS

#123
20140260371
2014-09-18

Methods and systems for liquid desiccant air conditioning system retrofit

#124
20140238057
2014-08-28

Regeneration air mixing for a membrane based hygroscopic material dehumidification system

#125
20140150481
2014-06-05

Methods and systems for cooling buildings with large heat loads using desiccant chillers

#126
20130227982
2013-09-05

Desiccant-based air conditioning system

#127
20130145779
2013-06-13

ABSORPTION TYPE AIR DRYING SYSTEM AND METHOD OF PERFORMING HEATING REGENERATION OF THE SAME

#128
20130025450
2013-01-31

Systems and methods to condition air

#129
20120186281
2012-07-26

METHODS AND SYSTEMS FOR DESICCANT AIR CONDITIONING USING FLUIDS HEATED OR COOLED BY A SOLAR THERMAL SYSTEM

#130
20120132513
2012-05-31

Desalination methods and systems

#131
20120131940
2012-05-31

Methods and systems for desiccant air conditioning with combustion contaminant filtering

#132
20120131939
2012-05-31

Methods and systems for desiccant air conditioning

#133
20120131938
2012-05-31

AIR CONDITIONING SYSTEM WITH INTEGRATED SOLAR INVERTER

#134
20120131937
2012-05-31

Methods and systems for desiccant air conditioning

#135
20120131934
2012-05-31

Water recovery methods and systems

#136
20120125581
2012-05-24

HEAT EXCHANGER AND ASSOCIATED METHODS

#137
20120125405
2012-05-24

Photovoltaic-thermal (PVT) module with storage tank and associated methods

#138
20120125031
2012-05-24

Methods and systems for desiccant air conditioning

#139
20120125021
2012-05-24

Desiccant air conditioning methods and systems using evaporative chiller

#140
20120125020
2012-05-24

METHODS AND SYSTEMS FOR DESICCANT AIR CONDITIONING USING PHOTOVOLTAIC-THERMAL (PVT) MODULES

#141
20110297670
2011-12-08

Microwave reactivation system for standard and explosion-proof dehumidification

#142
20110056220
2011-03-10

PH2OCP—portable water and climatic production system

#143
20110011260
2011-01-20

Microwave reactivation system for standard and explosion-proof dehumidification system

#144
20100319370
2010-12-23

Indirect evaporative cooler using membrane-contained, liquid desiccant for dehumidification

#145
20100018683
2010-01-28

Double flow-circuit heat exchange device for periodic positive and reverse directional pumping

#146
20100013112
2010-01-21

System and method for managing water content in a fluid

#147
15264914
2017-04-25

Liquid desiccant HVAC system