ClassID:

158302

F24F7/065 - CPC Classification

Classification description:

Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct

Recent Application in this class:
#1
20260104176
2026-04-16

PORTABLE VENTILATION FAN ASSEMBLY

#2
20260063314
2026-03-05

SYSTEM FOR RENOVATING FACILITIES TO PROVIDE A DISINFECTED AIR FLOW

#3
20250383102
2025-12-18

AIR HANDLING UNIT FOR USE WITH AN AIR CONDITIONING SYSTEM

#4
20250271157
2025-08-28

VENTILATOR ASSEMBLY HAVING A VARIABLE FAN CONTROL FOR AIR FLOW IN AN AIR CONDITIONER

#5
20250264234
2025-08-21

AIR MOVING DEVICE WITH BYPASS INTAKE

#6
20250257898
2025-08-14

VENT FOR ROOF AND WALL

#7
20250180031
2025-06-05

AXIAL FAN FOR AN AIR HANDLING UNIT

#8
20250176477
2025-06-05

HEIGHT ADJUSTABLE VENTILATION SYSTEM

#9
20250146686
2025-05-08

HVAC EFFICIENCY BOOSTING FAN SYSTEM, APPARATUS AND METHOD

#10
20250102167
2025-03-27

NOZZLE ASSEMBLY FOR EXHAUST FAN UNIT OF HVAC SYSTEM

#11
20240318844
2024-09-26

Centrifugal Air Purifier with Enhanced Air Flow Arrangement

#12
20240302068
2024-09-12

EXHAUST FAN ASSEMBLY SYSTEM AND METHOD FOR EXHAUSTING A GAS

#13
20240280279
2024-08-22

Systems and Methods for Air Handler Systems with a Backwards Curved Centrifugal Fan or Mixed Flow Fan

#14
20240271804
2024-08-15

HVAC EFFICIENCY BOOSTING FAN SYSTEM, APPARATUS AND METHOD

#15
20240060662
2024-02-22

AIR HANDLING SYSTEM WITH INTEGRATED AIR TREATMENT

#16
20240053045
2024-02-15

AIRFLOW MANAGEMENT SYSTEMS AND METHODS FOR FILTERED AIR SYSTEMS

#17
20240038554
2024-02-01

TRANSFER CHAMBER

#18
20240035703
2024-02-01

FAN FILTER ASSEMBLY

#19
20240035686
2024-02-01

AIR FLOW AMPLIFIER FOR HVAC SYSTEM

#20
20240035685
2024-02-01

AIRFLOW APPARATUS

#21
20240019137
2024-01-18

PLAYGROUND AIR COOLER

#22
20240003559
2024-01-04

Air moving device with bypass intake

#23
20230408119
2023-12-21

AIR CONVECTION SYSTEM

#24
20230349570
2023-11-02

Air moving device with bypass intake

#25
20230324057
2023-10-12

FRESH AIR INLET

#26
20230315012
2023-10-05

Duct unit and image forming apparatus

#27
20230272928
2023-08-31

Pollution Control Devices Methods and Systems

#28
20230250979
2023-08-10

Air cooler for body

#29
20230175720
2023-06-08

Air Evacuator

#30
20230167990
2023-06-01

Bottom-mounted whole house fan assembly

#31
20230083631
2023-03-16

Critical Area Recirculation and Exhaust System

#32
20230054238
2023-02-23

GERMICIDAL DUCT ASSEMBLY

#33
20230052845
2023-02-16

ACTIVE AIRFLOW ACCESSORY FOR TEMPERATURE CONTROL OF A ROOM

#34
20220357059
2022-11-10

Airchaser

#35
20220344182
2022-10-27

Transfer chamber

#36
20220314260
2022-10-06

Portable variable volume paint spray enclosure and air scrubber; method for constructing a paint spray enclosure and air scrubber

#37
20220314259
2022-10-06

Portable variable volume paint spray enclosure and air scrubber; method for constructing a paint spray enclosure and air scrubber

#38
20220270463
2022-08-25

REMOTE ENVIRONMENTAL CONDITION MONITORING AND REPORTING

#39
20220260089
2022-08-18

Nozzle assembly for exhaust fan unit of HVAC system

#40
20220220975
2022-07-14

Columnar air moving devices, systems and methods

#41
20220196265
2022-06-23

Systems and methods for controlling and adjusting volume of fresh air intake in a building structure

#42
20220154971
2022-05-19

Enclosures for air systems, air systems having enclosures, and methods of using enclosures

#43
20220128251
2022-04-28

VENT APPARATUSES AND METHODS OF USING THE SAME

#44
20220099318
2022-03-31

VENTILATION UNIT

#45
20210356147
2021-11-18

Air Freshener Device

#46
20210348774
2021-11-11

Kitchen Air-Conditioning System

#47
20210318009
2021-10-14

Ventilation and air conditioning system and method for regulating air opening

#48
20210318006
2021-10-14

Air duct device and air handling apparatus

#49
20210284315
2021-09-16

Low profile vent assembly for a boat

#50
20210254855
2021-08-19

HVAC system with baffle in side discharge configuration

#51
20210244110
2021-08-12

FAN ASSEMBLY FOR A MASK

#52
20210215362
2021-07-15

Air flow amplifier for HVAC system

#53
20210207606
2021-07-08

Modular fan housing with multiple modular units having sound attenuation for a fan array for an air-handling system

#54
20210140655
2021-05-13

Air handling system with integrated air treatment

#55
20210062827
2021-03-04

Columnar air moving devices, systems and methods

#56
20210048205
2021-02-18

Ventilation systems

#57
20210025605
2021-01-28

PANDEMIC TABLETOP SYSTEM AND METHODS FOR PREVENTING PATHOGEN TRANSMISSION

#58
20200408229
2020-12-31

ANNULAR DUCT

#59
20200400328
2020-12-24

Air circulation systems and methods

#60
20200333027
2020-10-22

Air moving device with bypass intake

#61
20200312686
2020-10-01

Transfer chamber

#62
20200300486
2020-09-24

Ventilation system with tapered flexible conduit

#63
20200256571
2020-08-13

SYSTEMS AND METHODS FOR SUPPLYING FRESH OUTDOOR AIR INTO A BUILDING STRUCTURE

#64
20200240433
2020-07-30

HVAC fan assembly air inlet systems and methods

#65
20200240420
2020-07-30

MODULAR FAN HOUSING WITH MULTIPLE MODULAR UNITS HAVING SOUND ATTENUATION FOR A FAN ARRAY FOR AN AIR-HANDLING SYSTEM

#66
20200224898
2020-07-16

FLOW GENERATION UNIT, AIR TREATMENT PLANT COMPRISING SAID FLOW GENERATION UNIT AND USE OF THE LATTER FOR AIR TREATMENT

#67
20200217328
2020-07-09

Cutoff for a blower housing

#68
20200152040
2020-05-14

Remote environmental condition monitoring and reporting

#69
20200103129
2020-04-02

Bottom-mounted whole house fan assembly

#70
20200096214
2020-03-26

DAMPER-EMBEDDED VENTILATOR

#71
20200088440
2020-03-19

Ventilation member

#72
20200088426
2020-03-19

Nozzle assembly for exhaust fan unit of HVAC system

#73
20200072236
2020-03-05

Fan blade winglet

#74
20200049367
2020-02-13

Air blowing device and indoor air conveying system using same

#75
20200011555
2020-01-09

Whole house fresh air system with a wireless interface

#76
20200009888
2020-01-09

AIR SUCTION DEVICE CAPABLE OF RESTRICTING LEAKAGE OF LIQUID FROM AIR DUCT, INKJET RECORDING APPARATUS

#77
20190353364
2019-11-21

Fan system and arrangement of one or more such fan systems in a flow duct

#78
20190323726
2019-10-24

WALL BOX AND VENTILATION SYSTEM COMPRISING A WALL BOX

#79
20190316792
2019-10-17

VENT PIPE AND BLOWER COMPRISING THE SAME

#80
20190285088
2019-09-19

Columnar air moving devices, systems and methods

#81
20190277020
2019-09-12

SYSTEM AND METHOD FOR MODULAR BUILDING PLANT OIL EXTRACTION ROOM

#82
20190277002
2019-09-12

SYSTEM AND METHOD FOR SELECTING PROPER COMPONENTS FOR MITIGATING RADON

#83
20190212759
2019-07-11

System and Method of Networked Local Heating

#84
20190186762
2019-06-20

AIR HANDLING SYSTEM WITH INTEGRATED TREATMENT

#85
20190170389
2019-06-06

Profiled damper and fan for controlling air flow direction in an air duct

#86
20190160412
2019-05-30

Ventilating device

#87
20190145655
2019-05-16

Filter assembly for HVAC apparatus

#88
20190113221
2019-04-18

Ventilation system

#89
20190086105
2019-03-21

HEAT EXCHANGE SYSTEMS AND METHODS

#90
20190072109
2019-03-07

Centrifugal blower assembly and method for assembling the same

#91
20190041073
2019-02-07

AIR FLOW CAPTURE SYSTEM

#92
20190015861
2019-01-17

Portable variable volume paint spray enclosure and air scrubber

#93
20180363940
2018-12-20

Ventilation system for manhole vault

#94
20180363931
2018-12-20

AIR CONDITIONER

#95
20180363817
2018-12-20

VIBRATION DAMPENING VENTILATION COUPLER

#96
20180347848
2018-12-06

Coating booth and flow-straightening device

#97
20180347833
2018-12-06

Blower device for delivering an amplified rate air flow and modular cooling unit

#98
20180328369
2018-11-15

Blower housing with two position cutoff

#99
20180320707
2018-11-08

Columnar air moving devices, systems and methods

#100
20180216843
2018-08-02

Air circulation systems and methods

#101
20180180319
2018-06-28

Pliable-wall air ducts with internal expanding structures

#102
20180180312
2018-06-28

Ventilation system and method for air-conditioning an interior using at least one such ventilation system

#103
20180112885
2018-04-26

Ventilation assembly for a heat exchanger

#104
20180112670
2018-04-26

Fan assembly for exhausting matter from storage containers

#105
20180066864
2018-03-08

Optimized low power air circulation in HVAC systems

#106
20180056343
2018-03-01

Inhalation device for local ventilation system

#107
20170363309
2017-12-21

Apparatus and method for providing selective fan or vent cooling

#108
20170356664
2017-12-14

HVAC DELIVERY SYSTEM IN HIGH VOLUME LOW-SPEED FAN

#109
20170348628
2017-12-07

Exhaust unit

#110
20170321708
2017-11-09

Modular fan housing with multiple modular units having sound attenuation for a fan array for an air-handling system

#111
20170299212
2017-10-19

SYSTEM AND METHOD FOR CONTROLLING VENTILATION SYSTEM BASED UPON HUMIDITY DETECTION

#112
20170292724
2017-10-12

METHOD OF OPERATION OF A VENTILATION SYSTEM HAVING INTAKE AND BLOWOUT PORTS

#113
20170268956
2017-09-21

Method for measuring pressure differences between different premises in a building

#114
20170261217
2017-09-14

Air exhaust apparatus

#115
20170261199
2017-09-14

Ventilator with a light-emitting device

#116
20170241653
2017-08-24

MULTI-ZONE AIR HANDLER AND METHOD FOR USING THE SAME

#117
20170211828
2017-07-27

DUCT VENTILATION APPARATUS

#118
20170191692
2017-07-06

Air conditioner

#119
20170191684
2017-07-06

Portable Ventilation System

#120
20170173647
2017-06-22

Open fume capture and exhaust ventilated work station

#121
20170089595
2017-03-30

Air purifier and blower device thereof

#122
20170087500
2017-03-30

Localized ventilation systems and methods

#123
20170067698
2017-03-09

Dual axial fan with a thermal exchange component for a vehicle

#124
20170051749
2017-02-23

Air blower and air conditioner having the same

#125
20170010018
2017-01-12

Ceiling mounted ventilation fan with illumination

#126
20170010017
2017-01-12

Systems, aparatuses, and methods of air circulations using compact economizers

#127
20160363341
2016-12-15

Interactive occupant-tracking fan for indoor comfort and energy conservation

#128
20160363333
2016-12-15

AIR HANDLING SYSTEM WITH INTEGRATED AIR TREATMENT

#129
20160356521
2016-12-08

Ventilation system for manhole vault

#130
20160345537
2016-12-01

ARRANGEMENT APPLIED IN ANIMAL CAGE

#131
20160313017
2016-10-27

Apparatus and Method for Improving Airflow to a Room

#132
20160238029
2016-08-18

Columnar air moving devices, systems and methods

#133
20160231012
2016-08-11

Automated Vent Fan Systems and Methods

#134
20160195848
2016-07-07

Duct and image forming apparatus using the same

#135
20160195299
2016-07-07

Acoustic dispersing airflow passage

#136
20160184873
2016-06-30

Apparatus of inhalation type for stocking wafer at ceiling and inhaling type wafer stocking system having the same

#137
20160161133
2016-06-09

Ventilation module with swirler fan

#138
20160115965
2016-04-28

Damper-integrated blower having improved airtightness

#139
20160084513
2016-03-24

Integrated basement ventilation apparatus

#140
20160033149
2016-02-04

Air cooling system for a building structure

#141
20150362205
2015-12-17

Airflow-confirming HVAC systems and methods with variable speed blower

#142
20150354841
2015-12-10

Fan coil unit with shrouded fan

#143
20150354578
2015-12-10

Columnar air moving devices, systems and methods

#144
20150345810
2015-12-03

DUAL LAYER DOOR

#145
20150300669
2015-10-22

Air conditioning apparatus

#146
20150285524
2015-10-08

Climate smart fan ventilation

#147
20150276248
2015-10-01

Radon exhaust system with internial gaseous fluid fan within diagnostic bypass filter fan apparatus

#148
20150226443
2015-08-13

Ventilation system and method

#149
20150219348
2015-08-06

AIR CONDITIONING APPARATUS

#150
20150219347
2015-08-06

Rotor ventilator

#151
20150110626
2015-04-23

Ceiling mounted ventilation fan with illumination

#152
20150093098
2015-04-02

Nozzle for bladeless fan assembly with heater

#153
20150071775
2015-03-12

Fan unit and air conditioner

#154
20150038070
2015-02-05

Ventilation system and method

#155
20150024675
2015-01-22

Airflow boosting assembly for a forced air circulation and delivery system

#156
20140273800
2014-09-18

Fan array backflow preventer

#157
20140273797
2014-09-18

Ventilation system with a rotatable air flow generator and one or more movable registers and method for obtaining ventilation through the ventilation system

#158
20140261835
2014-09-18

Pliable-wall air ducts with internal expanding structures

#159
20140205470
2014-07-24

Fan assembly

#160
20140187139
2014-07-03

Ventilation device

#161
20140169531
2014-06-19

X-ray CT apparatus

#162
20140139342
2014-05-22

Remote environmental condition monitoring and reporting

#163
20140112781
2014-04-24

Ceiling mounted ventilation fan with illumination

#164
20140096719
2014-04-10

Hog confinement building ventilation system

#165
20140080403
2014-03-20

METHODS AND SYSTEM DESIGN FOR PROVIDING LEAK DETECTION OF VOLATILE LIQUID HYDROCARBON VAPORS

#166
20140045419
2014-02-13

WINDOW CONDENSATION CONTROL

#167
20140007971
2014-01-09

Pliable-wall air ducts with internal expanding structures

#168
20140000744
2014-01-02

Pliable-wall air ducts with internal expanding structures

#169
20130323100
2013-12-05

Fan assembly

#170
20130315731
2013-11-28

Ceiling mounted ventilation fan with illumination

#171
20130298592
2013-11-14

Air exchange device for refrigerated chamber

#172
20130294905
2013-11-07

Fan

#173
20130160197
2013-06-27

AIR VENTILATION DEVICE

#174
20130137361
2013-05-30

Ventilating fan

#175
20130027950
2013-01-31

Columnar air moving devices, systems and methods

#176
20130022506
2013-01-24

AIR PURIFICATION EQUIPMENT

#177
20130003387
2013-01-03

LAMP

#178
20120282117
2012-11-08

AIR BLOWING FAN, CIRCULATOR, MICRO-PARTICLE DIFFUSION DEVICE, AND AIR CIRCULATION METHOD

#179
20120275902
2012-11-01

Modular fan housing with multiple modular units having sound attenuation for a fan array for an air-handling system

#180
20120230658
2012-09-13

Fan assembly

#181
20120125472
2012-05-24

Pliable-wall air ducts with internal expanding structures

#182
20120057962
2012-03-08

Modular fan units with sound attenuation layers for an air handling system

#183
20120052792
2012-03-01

Ventilation unit calibration apparatus, system and method

#184
20120052786
2012-03-01

VENTILATOR SYSTEM FOR RECIRCULATION OF AIR AND REGULATING INDOOR AIR TEMPERATURE

#185
20120028562
2012-02-02

FLEXIBLE AIR DUCTS WITH GRADUAL INFLATION

#186
20110308883
2011-12-22

Acoustic noise control in heating or cooling systems

#187
20110259559
2011-10-27

Building heating and cooling system

#188
20110146943
2011-06-23

PORTABLE STAND-ALONE OUTDOOR AIR CONDITIONING APPARATUS

#189
20110143646
2011-06-16

Greenhouse Comprising Ventilation System

#190
20110117831
2011-05-19

Ceiling-embedded ventilation fan

#191
20110111687
2011-05-12

Air destratifier for spaces

#192
20100323604
2010-12-23

PORTABLE AIR DISTRIBUTION DEVICE

#193
20100266400
2010-10-21

Columnar air moving devices, systems and method

#194
20100226797
2010-09-09

Fan assembly

#195
20100226764
2010-09-09

Fan

#196
20100226754
2010-09-09

Fan assembly

#197
20100226749
2010-09-09

FAN ASSEMBLY

#198
20100183425
2010-07-22

Blower

#199
20100112929
2010-05-06

RECESSED FAN INLET COVER

#200
20100090469
2010-04-15

Power-Generator Fan Apparatus, Duct Assembly, Building Construction, and Methods of Use

#201
20100015905
2010-01-21

Airflow boosting assembly for a forced air circulation and delivery system

#202
20100006661
2010-01-14

Automatic exhaust fan control apparatus and method

#203
20090285669
2009-11-19

Fan array fan section in air-handling systems

#204
20090233540
2009-09-17

Systems and methods for ventilation of a surgical table

#205
20090197519
2009-08-06

RADON VENT FAN SYSTEM

#206
20090163133
2009-06-25

Hollow space aerating device

#207
20090061758
2009-03-05

Floor Vent Booster Fan

#208
20090004966
2009-01-01

Ventilating Exhaust fan and Outlet Fitting Assembly

#209
20080227381
2008-09-18

COLUMNAR AIR MOVING DEVICES, SYSTEMS AND METHODS

#210
20080220712
2008-09-11

Airflow boosting assembly for a forced air circulation and delivery system

#211
20080113608
2008-05-15

System, combination and method for controlling airflow in convective treatment

#212
20080105251
2008-05-08

High frequency heating apparatus having a range hood

#213
20080057853
2008-03-06

PERSONAL CLIMATE CONTROL DEVICE

#214
20080000617
2008-01-03

Climate-conditioning fan and coil apparatus

#215
20070293141
2007-12-20

Crawl space ventilation device and method

#216
20070036648
2007-02-15

Extended venturi fan ring

#217
20070015456
2007-01-18

Exhaust vent bird guard

#218
20060252363
2006-11-09

Ventilation assembly configurable for top openings and/or side openings

#219
20060199523
2006-09-07

Ventilation device

#220
20060199515
2006-09-07

Concealed portable fan

#221
20060186225
2006-08-24

Air guide systems and methods for restorative drying

#222
20060073784
2006-04-06

Air displacement upon a medical patient

#223
20060035581
2006-02-16

Whole house fan system and methods of installation

#224
20060003686
2006-01-05

High frequency heating apparatus having a range hood

#225
20050202776
2005-09-15

Columnar air moving devices, systems and methods

#226
20050180846
2005-08-18

Fan array fan section in air-handling systems

#227
17941402
2023-04-04

Airflow moisture reduction system

#228
17665091
2024-12-03

Systems and methods for purging smoke or other gasses from containers

#229
17163984
2023-05-09

Dynamic register system with an adapter member for oscillating air vents

#230
17001316
2023-11-21

Air cooling system for a building structure

#231
16873156
2022-01-04

Exterior ventilator door and ventilator assembly for bringing fresh air into a structure

#232
16579189
2022-03-15

Systems and methods for controlling and adjusting volume of fresh air intake in a building structure

#233
16523818
2020-08-11

Air cooling system for a building structure

#234
16247391
2020-08-25

Air cooling system for a building structure

#235
15905401
2019-08-06

Air cooling system for a building structure

#236
15237475
2017-11-14

80/90 CFM bath fan with telescoping side extension brackets and side by side motor and blower wheel