ClassID:

158300

F24F7/04 - CPC Classification

Classification description:

Ventilation with ducting systems, e.g. by double walls; with natural circulation

Sub-classes:
Recent Application in this class:
#1
20260139868
2026-05-21

VEHICLE VENTILATOR

#2
20260132990
2026-05-14

AN APPARATUS, SYSTEM, AND METHOD FOR HEAT EXCHANGE

#3
20260131173
2026-05-14

SYSTEM AND METHOD OF A RING ARCHITECTURE OF A FIXED PIPING SYSTEM IMPLEMENTED WITHIN A SAFETY SYSTEM OF A STRUCTURE TO CONTINUOUSLY SUPPLY BREATHABLE AIR THEREWITHIN

#4
20260126193
2026-05-07

SYSTEM AND METHOD OF A LOOP ARCHITECTURE OF A FIXED PIPING SYSTEM IMPLEMENTED WITHIN A SAFETY SYSTEM OF A STRUCTURE TO CONTINUOUSLY SUPPLY BREATHABLE AIR THEREWITHIN

#5
20260097631
2026-04-09

VENT FOR HEATING, VENTILATION, AND AIR CONDITIONING SYSTEMS

#6
20260009549
2026-01-08

METHOD FOR CONFIGURING AND ASSEMBLING A WELD-FREE MRI MACHINE QUENCH VENT SYSTEM

#7
20250347430
2025-11-13

VENTILATION MEMBER WITH HOLDING CLIP AND SYSTEMS INCORPORATING THE SAME

#8
20250320922
2025-10-16

INTELLIGENT WIND GATE DEVICE WITH DIVERSION STRUCTURE FOR PRESSURE DETECTION

#9
20250319748
2025-10-16

AIR VENT

#10
20250283618
2025-09-11

Service Network System for an Operating Theatre

#11
20250271156
2025-08-28

SUBSTRATE PROCESSING APPARATUS

#12
20250172037
2025-05-29

One-use wet discharge air-reduction for a window slit or a door gap

#13
20240426493
2024-12-26

Unpowered cowl with adjustable fan blades and waste heat recovery system for cooking fumes

#14
20240366981
2024-11-07

UTILITY CONNECTION SYSTEMS, SPLINES, AND ASSOCIATED METHODS

#15
20240344347
2024-10-17

Underground Shelter with Air-Intake System

#16
20240318860
2024-09-26

ENVIRONMENTAL CONDITIONING EQUIPMENT

#17
20240302060
2024-09-12

SOLAR CHIMNEY AND A METHOD FOR VENTILATING A BUILDING USING A SOLAR CHIMNEY

#18
20240295335
2024-09-05

APPARATUS AND A METHOD FOR CONTROLLING VENTILATION IN A BUILDING AND GENERATING ELECTRICITY

#19
20240263812
2024-08-08

MURO ROOM (MALTED RICE MAKING ROOM)

#20
20240255164
2024-08-01

AN AIR VALVE WITH IMPROVED VENTILATION

#21
20240200811
2024-06-20

VENT FOR AIR CONDITIONING UNIT

#22
20240183217
2024-06-06

System for Installing Structural Components within Existing Walls Utilizing Ventilating Structural Components

#23
20240125496
2024-04-18

VENTILATION MEMBER WITH HOLDING CLIP AND SYSTEMS INCORPORATING THE SAME

#24
20240102675
2024-03-28

BYPASS VENTILATOR CORE

#25
20240083222
2024-03-14

AIR VENT

#26
20240035684
2024-02-01

EXHAUST VENT

#27
20240035683
2024-02-01

AIR CONDITIONING UNIT

#28
20240011652
2024-01-11

VENTILATION PATH WITH SOUNDPROOF STRUCTURE

#29
20240003561
2024-01-04

SYSTEM AND METHOD OF A LOOP ARCHITECTURE OF A FIXED PIPING SYSTEM IMPLEMENTED WITHIN A SAFETY SYSTEM OF A STRUCTURE TO CONTINUOUSLY SUPPLY BREATHABLE AIR THEREWITHIN

#30
20240001168
2024-01-04

SYSTEM AND METHOD OF A RING ARCHITECTURE OF A FIXED PIPING SYSTEM IMPLEMENTED WITHIN A SAFETY SYSTEM OF A STRUCTURE TO CONTINUOUSLY SUPPLY BREATHABLE AIR THEREWITHIN

#31
20230380658
2023-11-30

STRUCTURE FOR DRYER DUCT

#32
20230358438
2023-11-09

INTAKE HOOD SYSTEM FOR AN HVAC UNIT

#33
20230328914
2023-10-12

Ducted exhaust equipment enclosure

#34
20230235905
2023-07-27

AIRBORNE CONTAMINANT DETECTION AND LOCALIZATION IN DUCTING SYSTEMS

#35
20230220667
2023-07-13

LIGHTWEIGHT THERMAL BARRIER PANEL AND ANCHOR SYSTEM FOR BUILDING ENVELOPES AND METHOD FOR INSTALLING THE SAME

#36
20230204307
2023-06-29

PARTITIONING MEMBER FOR TOTAL HEAT EXCHANGE ELEMENTS, TOTAL HEAT EXCHANGE ELEMENT, AND VENTILATION APPARATUS

#37
20230055622
2023-02-23

Fan assembly with filtering and exhaust

#38
20230014492
2023-01-19

Ducted exhaust equipment enclosure

#39
20220275950
2022-09-01

WINDOW AIR CONDITIONER

#40
20220221173
2022-07-14

Device for Ventilating a Space and Corresponding Method

#41
20220214058
2022-07-07

Air duct assembly and integrated air conditioner

#42
20220205678
2022-06-30

Air conditioner

#43
20220178563
2022-06-09

Partition wall for an HVAC device

#44
20220175154
2022-06-09

DISPLAY REFRIGERATORS AND FREEZERS

#45
20220170650
2022-06-02

Systems and methods for controlling air properties in structures and inhibiting moisture accumulation and mold propagation in structures

#46
20220128263
2022-04-28

MULTI-PORT VENTILATION

#47
20220082295
2022-03-17

Air to air cross flow heat and moisture exchanger

#48
20220065494
2022-03-03

HVAC return filter holder

#49
20220009316
2022-01-13

Air vent

#50
20210404698
2021-12-30

Flexible duct with interchangeable end, connector for flexible duct, and method thereof

#51
20210404677
2021-12-30

EXHAUST VENT

#52
20210310692
2021-10-07

HVAC return unit with a direct jumper arrangement

#53
20210302059
2021-09-30

Air diffuser device for ventilating rooms

#54
20210293655
2021-09-23

Duct leakage detection system and method

#55
20210180357
2021-06-17

Storm avoiding buildings and structures

#56
20210164230
2021-06-03

Roof vent with secure attachment mechanisms

#57
20210140657
2021-05-13

SYSTEMS AND METHOD FOR HVAC AIR FLOW INCREASE

#58
20210123628
2021-04-29

Rotating heat exchanger with improved heat transfer efficiency

#59
20210107013
2021-04-15

Air cleaner

#60
20210016119
2021-01-21

Utility connection systems, splines, and associated methods

#61
20200363080
2020-11-19

Intake hood system for an HVAC unit

#62
20200292186
2020-09-17

Wall, system of highly clean rooms, production method thereof and construction

#63
20200284466
2020-09-10

AIR VENT

#64
20200245494
2020-07-30

Ducted exhaust equipment enclosure

#65
20200240656
2020-07-30

METHOD FOR MANUFACTURING AN AIR INTAKE DUCT

#66
20200173684
2020-06-04

Vented floor arrangement and a kit of parts for use in assembling the floor

#67
20200166235
2020-05-28

Ventilation unit, system and method

#68
20200011567
2020-01-09

Personal ambient air temperature modification, filtration, and purification system

#69
20200011555
2020-01-09

Whole house fresh air system with a wireless interface

#70
20200011554
2020-01-09

Air circulation apparatus for building

#71
20190377370
2019-12-12

Safety workbench with controlled circulating air flow and method for its operation

#72
20190360722
2019-11-28

Compact air handling unit

#73
20190338942
2019-11-07

Apparatus for providing independently controlled indirect lighting and airstream to an individual passenger of a motor vehicle

#74
20190313493
2019-10-10

Integration of LED lighting with building controls

#75
20190285309
2019-09-19

Connector for flexible duct, flexible duct with interchangeable end, and method thereof

#76
20190249439
2019-08-15

VENT AND FLASHING SYSTEM

#77
20190186133
2019-06-20

Hanger profile and ceiling assembly

#78
20190154284
2019-05-23

Cooling System

#79
20190118621
2019-04-25

Air vent

#80
20190070875
2019-03-07

Climate control of direct printing machines

#81
20190063777
2019-02-28

Air conditioner and controlling method thereof

#82
20190056153
2019-02-21

Method and apparatus for control of fluid temperature and flow

#83
20190056129
2019-02-21

Portable Room Venting System and Method of Venting a Room

#84
20190025154
2019-01-24

Duct leakage detection system and method

#85
20180273435
2018-09-27

Beneficial use structures

#86
20180238570
2018-08-23

Truss Air Manifold Assembly for Underground Disaster Shelters

#87
20180156482
2018-06-07

Soffit vent

#88
20180073745
2018-03-15

VARIABLE HEIGHT DOWNDRAFT BUILT INTO COOKING DEVICE

#89
20180023841
2018-01-25

Vent structure

#90
20180020576
2018-01-18

Data Centre

#91
20170318705
2017-11-02

Method and arrangement for air-conditioning a cold aisle

#92
20170314810
2017-11-02

Flood protection for underground air vents

#93
20170314809
2017-11-02

Flood protection for underground air vents

#94
20170314808
2017-11-02

Flood protection for underground air vents

#95
20170307236
2017-10-26

Coaxial ventilator

#96
20170234575
2017-08-17

IN-LINE DUCT FILTER

#97
20170122614
2017-05-04

Integration of LED lighting with building controls

#98
20170122580
2017-05-04

MODULAR BUILDING UTILITIES SYSTEMS AND METHODS

#99
20160356522
2016-12-08

Systems for circulating air inside a manhole vault

#100
20160348928
2016-12-01

Coaxial ventilator

#101
20160348584
2016-12-01

TURBOMACHINE LOAD COUPLING DEVICE HAVING A NATURAL CONVECTION VENTILATION SYSTEM

#102
20160281348
2016-09-29

MODULAR BUILDING UTILITIES SYSTEMS AND METHODS

#103
20160195299
2016-07-07

Acoustic dispersing airflow passage

#104
20160102876
2016-04-14

Coaxial ventilator

#105
20160101668
2016-04-14

Air vent

#106
20160095263
2016-03-31

Interlock assembly for air-moving assembly

#107
20160095261
2016-03-31

Interlock assembly for air-moving assembly

#108
20160047360
2016-02-18

Method and apparatus to utilize the push-pull power of an upwards flow of wind energy within a structure

#109
20150382512
2015-12-31

Data centre

#110
20150373868
2015-12-24

CABINETS AND METHODS FOR REMOVING UNDESIRABLE GAS IN CABINETS

#111
20150305208
2015-10-22

Data centre

#112
20150276244
2015-10-01

VENTILATION MEMBER

#113
20150253781
2015-09-10

Airflow balancing valve for HVAC systems

#114
20150241082
2015-08-27

Tower floor register

#115
20150192328
2015-07-09

Method and apparatus for control of fluid temperature and flow

#116
20150184879
2015-07-02

HEAT RECLAMATION AND AIR CIRCULATION DEVICE

#117
20150176852
2015-06-25

Wall, system of highly clean rooms, production method thereof and construction

#118
20150168004
2015-06-18

HVAC actuator with light indicator

#119
20150167993
2015-06-18

Ventilation devices and methods

#120
20150153054
2015-06-04

VENTILATION OPENING FOR AN AERATION SYSTEM

#121
20150099454
2015-04-09

PRACTICAL FLEXIBLE CONNECTING APPARATUS FOR VENTILATION DUCT

#122
20150087218
2015-03-26

CONFIGURATION AND METHOD FOR VENTILATING A ROOM, MORE PARTICULARLY A LABORATORY ROOM

#123
20150073732
2015-03-12

System and method for measuring duct leakage in a HVAC system

#124
20150065028
2015-03-05

Ducted exhaust equipment enclosure

#125
20150056913
2015-02-26

Explosive and narcotics detection dog training with vapour or aerosol air impregnation

#126
20150044960
2015-02-12

Composite molded body and method for manufacturing same

#127
20150031277
2015-01-29

System, method, and apparatus for smoke mitigation

#128
20150013245
2015-01-15

Air mixing device for buildings

#129
20140378043
2014-12-25

Air-conducting device for a wheel-arch ventilation arrangement

#130
20140370796
2014-12-18

Air-conditioning duct in passenger car and railcar

#131
20140364050
2014-12-11

Vent sealing device and system

#132
20140357178
2014-12-04

Air vent

#133
20140342654
2014-11-20

TEMPERATURE CONTROL SYSTEM AND CONTROL METHOD FOR CONTAINER DATA CENTER

#134
20140335777
2014-11-13

Cooling system

#135
20140331641
2014-11-13

Method for producing a near-surface cooling passage in a thermally highly stressed component, and component having such a passage

#136
20140299404
2014-10-09

Acoustic dispersing airflow passage

#137
20140273802
2014-09-18

Room ventilation system and apparatus

#138
20140252248
2014-09-11

Universal mount

#139
20140242898
2014-08-28

Centralized fresh air cooling system

#140
20140220876
2014-08-07

JOINING MEMBER HAVING VENTILATION FUNCTION AND JOINING STRUCTURE USING SAME

#141
20140213172
2014-07-31

HVAC Duct

#142
20140206271
2014-07-24

ELECTRONICS RACK COOLING DUCT

#143
20140196268
2014-07-17

Methods for the conversion of storage containers for the remediation of environmentally damaged articles

#144
20140194051
2014-07-10

Indoor unit of air conditioner

#145
20140194050
2014-07-10

Gas purifier for wafer substrate accommodating unit

#146
20140146471
2014-05-29

AIR DUCT AND ELECTRONIC DEVICE WITH THE SAME

#147
20140096546
2014-04-10

METHOD AND APPARATUS FOR OPERATING DUCTED FUMEHOODS WITH INCREASED ENERGY EFFICIENCY

#148
20140073235
2014-03-13

Free Cooling System Apparatus and Communication Equipment

#149
20130340361
2013-12-26

Data centre

#150
20130326972
2013-12-12

Structural design with rear-ventilated cladding elements

#151
20130252538
2013-09-26

COOLER BLIND

#152
20130225059
2013-08-29

Method and apparatus for control of fluid temperature and flow

#153
20130224043
2013-08-29

Air mixing device for buildings

#154
20130203336
2013-08-08

Ventilation system and method

#155
20130122798
2013-05-16

BUILDING PROVIDED WITH A HOOD FOR DRAWING FUMES PRODUCED IN METALLURGICAL ENVIRONMENT

#156
20120329380
2012-12-27

Ventilation system with controllable air input and output

#157
20120279963
2012-11-08

Convertible storage container and methods for the remediation of environmentally damaged articles

#158
20120248991
2012-10-04

Integration of LED lighting with building controls

#159
20120071082
2012-03-22

MODULAR BUILDING UTILITIES SYSTEMS AND METHODS

#160
20120013229
2012-01-19

DUCTED EXHAUST EQUIPMENT ENCLOSURE

#161
20110223848
2011-09-15

Ventilation system

#162
20110217194
2011-09-08

Solar-powered soffit fan

#163
20110179949
2011-07-28

Method and apparatus for operating ducted fumehoods with increased energy efficiency

#164
20110083824
2011-04-14

Data centre

#165
20110019362
2011-01-27

Ducted exhaust equipment enclosure

#166
20100106306
2010-04-29

Integration of LED lighting with building controls

#167
20100096016
2010-04-22

Method and apparatus for control of fluid temperature and flow

#168
20100050662
2010-03-04

Workstation system

#169
20090190307
2009-07-30

Ducted exhaust equipment enclosure

#170
20080254730
2008-10-16

Passive ventilation stack

#171
20080196433
2008-08-21

Supply air terminal unit

#172
18134225
2023-12-05

Exhaust vent assembly with selectively removable top

#173
17582891
2023-03-21

Clothes dryer exhaust vent for building exterior wall

#174
17177655
2022-12-06

Foundation dryer vent

#175
16561068
2020-11-03

Vent bypass system

#176
16183205
2019-09-17

Attic vent

#177
15975526
2019-11-12

Fan first integrated stadia bowl construction method

#178
15659315
2019-09-03

Hybrid sealed attic insulation and ventilation system

#179
15416460
2017-10-17

Methods of utilizing coal combustion residuals and structures constructed using such coal combustion residuals

#180
13705113
2016-02-16

Adjustable vent adapter for clothes dryer