ClassID:

158291

F24F2007/001 - CPC Classification

Classification description:

Ventilation with exhausting air ducts

Sub-classes:
Recent Application in this class:
#1
20260139858
2026-05-21

MANUFACTURING SYSTEM

#2
20260132955
2026-05-14

ONE STEP INSTALLATION OF VENT ASSEMBLY FROM INSIDE THE STRUCTURE

#3
20260022848
2026-01-22

CENTRAL EMISSION SUCTION DEVICE FROM ONE OR MORE EMISSION SITES

#4
20250383115
2025-12-18

EXHAUST PLENUM SYSTEM AND METHODS FOR A VENTILATION SYSTEM

#5
20250383114
2025-12-18

EXHAUST PLENUM SYSTEM AND METHODS FOR A VENTILATION SYSTEM

#6
20250297767
2025-09-25

Controlled dual-flow mechanical ventilation box comprising a partition wall that has a curved shape

#7
20250290659
2025-09-18

EXHAUST DEVICE

#8
20250290650
2025-09-18

Window-Based HVAC Interface System

#9
20250264233
2025-08-21

EXHAUST VENT DOORS

#10
20250257898
2025-08-14

VENT FOR ROOF AND WALL

#11
20250207794
2025-06-26

VENTILATION SYSTEM MODULE, BUILDING COMPRISING SUCH AND METHOD FOR INSTALLING THE SAME

#12
20250180232
2025-06-05

INVENTION RELATES TO STRATUM VENTILATION SYSTEMS WITH ANNULAR AIR INLET AND AIR SUPPLY METHOD

#13
20250146684
2025-05-08

RAFTER BAFFLES

#14
20250113818
2025-04-10

AIR FLOW CONTROL BLIND

#15
20250102167
2025-03-27

NOZZLE ASSEMBLY FOR EXHAUST FAN UNIT OF HVAC SYSTEM

#16
20250043976
2025-02-06

System and Method for Recycling Exhaust Air in an HVAC System

#17
20250027665
2025-01-23

SYSTEM FOR CLIMATE-CONTROL OF INTERIOR SPACES OF A BUILDING

#18
20250020363
2025-01-16

SOUND-REDUCING EXHAUST AIR SYSTEM

#19
20240302068
2024-09-12

EXHAUST FAN ASSEMBLY SYSTEM AND METHOD FOR EXHAUSTING A GAS

#20
20240263812
2024-08-08

MURO ROOM (MALTED RICE MAKING ROOM)

#21
20240230149
2024-07-11

VENTILATION DEVICE AND VENTILATION SYSTEM

#22
20240210055
2024-06-27

Exhaust hood system with fluid wall air filter

#23
20240210053
2024-06-27

MULTI-TUBE DIAMETER UTILITY VENT

#24
20240210052
2024-06-27

VENT FLAPPER WITH INTAKE/EXHAUST HOLES

#25
20240200822
2024-06-20

VENTILATION SYSTEM

#26
20240133582
2024-04-25

VENTILATION DEVICE AND VENTILATION SYSTEM

#27
20240060661
2024-02-22

VENTILATION APPARATUS

#28
20240035684
2024-02-01

EXHAUST VENT

#29
20240019141
2024-01-18

VENTILATION APPARATUS

#30
20240019140
2024-01-18

VENTILATION APPARATUS

#31
20240011651
2024-01-11

Exhaust vent

#32
20230400203
2023-12-14

INTAKE-TYPE SMOKE REMOVAL SYSTEM

#33
20230392820
2023-12-07

INSTALLATION KIT FOR PORTABLE AIR-CONDITIONER

#34
20230349586
2023-11-02

VENT ENCLOSURE

#35
20230320343
2023-10-12

Air flow control blind

#36
20230133299
2023-05-04

Nail Salon Bio-hazardous Dust and Fume Source Capture Ventilation to Automatically Operate at Individual Manicure and Pedicure Work Stations for Conserving Preconditioned Room Air and Preventing Cross Contamination.

#37
20230087373
2023-03-23

ASSEMBLY FOR PREVENTING WATER DAMAGE TO INSULATED EXHAUST DUCTS

#38
20230055622
2023-02-23

Fan assembly with filtering and exhaust

#39
20230013249
2023-01-19

Air flow control blind

#40
20220381459
2022-12-01

AIR QUALITY MANAGEMENT SYSTEM AND CONTROL THEREFOR

#41
20220357059
2022-11-10

Airchaser

#42
20220341606
2022-10-27

VENT ASSEMBLY FOR AIR-FLOW PORTAL OF BUILDING

#43
20220266185
2022-08-25

Housing for receiving contaminated airflow from a clothes dryer or from a building's interior, constructed for filtering and recycling thru an interior piping system or disposing out to a building's exterior and comprising a safety mechanical shutdown system of the clothes dryer

#44
20220260089
2022-08-18

Nozzle assembly for exhaust fan unit of HVAC system

#45
20220246449
2022-08-04

Wafer treatment device

#46
20220221188
2022-07-14

FAN POWERED EXHAUST HOOD

#47
20220196265
2022-06-23

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

#48
20220178577
2022-06-09

Air emission stack, controlled emission release

#49
20220170650
2022-06-02

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

#50
20220146051
2022-05-12

Precursor supply cabinet

#51
20220120457
2022-04-21

Windband silencer with means to reduce cross-wind pressure differential

#52
20220099318
2022-03-31

VENTILATION UNIT

#53
20220057090
2022-02-24

Exhaust vent and utility termination for HVAC line sets and electrical wires

#54
20220049874
2022-02-17

Exhaust vent doors

#55
20220049873
2022-02-17

Exhaust vent doors

#56
20220034548
2022-02-03

VERTICAL VENTILATION DIFFUSER SYSTEM TO REDUCE TRANSMISSION OF AIRBORNE PARTICLES

#57
20220018556
2022-01-20

EXHAUST VENT

#58
20220010993
2022-01-13

Air conditioner and control method therefor

#59
20210404677
2021-12-30

EXHAUST VENT

#60
20210381709
2021-12-09

System and method for commissioning fresh air intake control

#61
20210381704
2021-12-09

Humidifying device for transferring water from waste air of a waste air flow to supply air of a supply air flow

#62
20210372646
2021-12-02

Hazardous Gas Evacuation System

#63
20210348780
2021-11-11

Exhaust hood system with fluid wall air filter

#64
20210302060
2021-09-30

Ventilation device for building

#65
20210270475
2021-09-02

Attic ventilation system

#66
20210199335
2021-07-01

Economizer controller calibration

#67
20210199319
2021-07-01

Ventilation fan mounting assembly

#68
20210190343
2021-06-24

VENTILATION SHUTTER WITH LOUVER HAVING SEALING LIP

#69
20210063036
2021-03-04

Air purifier and operating method of the same

#70
20210025605
2021-01-28

PANDEMIC TABLETOP SYSTEM AND METHODS FOR PREVENTING PATHOGEN TRANSMISSION

#71
20210018216
2021-01-21

Automatic house vent

#72
20210010700
2021-01-14

INDOOR AND OUTDOOR VENTILATION DEVICE

#73
20200363096
2020-11-19

EXHAUST VENT DOORS

#74
20200363094
2020-11-19

Soffit vent

#75
20200318851
2020-10-08

Economizer controller calibration

#76
20200300513
2020-09-24

Refrigeration cycle apparatus

#77
20200297127
2020-09-24

Capsule pod sleeping chamber

#78
20200270859
2020-08-27

VAPOR MITIGATION APPRATUS AND METHOD

#79
20200240655
2020-07-30

Exhaust vent

#80
20200217532
2020-07-09

Ventilation fan mounting assembly

#81
20200137977
2020-05-07

ANIMAL ENCLOSURE CONFIGURED FOR USE WITH A VENTILATION SYSTEM

#82
20200088425
2020-03-19

Coaxial Ventilator

#83
20200041150
2020-02-06

Vapor mitigation system, vapor mitigation controller and methods of controlling, monitoring and mitigating vapors

#84
20200030650
2020-01-30

Fire protection systems and methods for ventilation hoods

#85
20200025406
2020-01-23

Ventilation and drying system and method of using the same

#86
20190368770
2019-12-05

Under Cabinet Ventilation System

#87
20190368748
2019-12-05

Lifting mechanism with movable component and for range hood, and range hood using lifting mechanism

#88
20190365094
2019-12-05

Locker with reclining seat and roll-up door

#89
20190242600
2019-08-08

Indoor ventilation exhaust system

#90
20190234645
2019-08-01

STERILE AIRFLOW DELIVERY SYSTEM

#91
20190219291
2019-07-18

Ventilation control device

#92
20190219289
2019-07-18

Windband silencer with means to reduce cross-wind pressure differential

#93
20190195520
2019-06-27

Exhaust vent

#94
20190195514
2019-06-27

Common venting system for heating, cooling and domestic hot water systems

#95
20190107310
2019-04-11

Fan powered exhaust hood and method for exhausting air from an air handling unit

#96
20190056129
2019-02-21

Portable Room Venting System and Method of Venting a Room

#97
20180356122
2018-12-13

Air vent

#98
20180339259
2018-11-29

Method and device for reducing a flow of soil air to indoor air in a building

#99
20180328617
2018-11-15

Exhaust air channel arrangement for a kitchen exhaust air channel system

#100
20180283727
2018-10-04

INTEGRATED ELEVATOR AND AIR CONDITIONING SYSTEM

#101
20180273435
2018-09-27

Beneficial use structures

#102
20180259205
2018-09-13

Laboratory ventilation integration

#103
20180245808
2018-08-30

Ventilator and method of manufacturing ventilator

#104
20180216845
2018-08-02

Adaptive exhaust vent

#105
20180180320
2018-06-28

Ventilation grille and ventilation fan

#106
20180180313
2018-06-28

Ventilation fan humidity sensor and case

#107
20180156482
2018-06-07

Soffit vent

#108
20180127977
2018-05-10

Housing apparatus for installation of ceiling or wall-mounted electrical appliances

#109
20180112670
2018-04-26

Fan assembly for exhausting matter from storage containers

#110
20180106496
2018-04-19

Air vent

#111
20180073763
2018-03-15

DISCHARGE SYSTEM AND METHODS

#112
20180073745
2018-03-15

VARIABLE HEIGHT DOWNDRAFT BUILT INTO COOKING DEVICE

#113
20180030719
2018-02-01

Radon gas mitigation systems and apparatus

#114
20180028850
2018-02-01

Fire protection systems and methods for ventilation hoods

#115
20180003398
2018-01-04

Variable refrigerant flow (VRF) air conditioning and related methods

#116
20170360639
2017-12-21

Grossing station system

#117
20170348628
2017-12-07

Exhaust unit

#118
20170336094
2017-11-23

MODULATED DISTRIBUTION HUB OF FRESH AIR

#119
20170307237
2017-10-26

AIR CONDITIONING DEVICE HAVING WATERPROOF FUNCTION

#120
20170299204
2017-10-19

Building structure for a multi-story building

#121
20170268956
2017-09-21

Method for measuring pressure differences between different premises in a building

#122
20170261199
2017-09-14

Ventilator with a light-emitting device

#123
20170205107
2017-07-20

Ventilation fan and drying system and method of using the same

#124
20170173647
2017-06-22

Open fume capture and exhaust ventilated work station

#125
20170109581
2017-04-20

AUTOMATED EMISSIONS CAPTURE DETERMINATION

#126
20170108234
2017-04-20

VENTILATION UNIT

#127
20170080465
2017-03-23

Air shower room and dust-free workshop

#128
20170051928
2017-02-23

ROOF EXHAUST

#129
20170022702
2017-01-26

Air vent

#130
20170010017
2017-01-12

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

#131
20160345537
2016-12-01

ARRANGEMENT APPLIED IN ANIMAL CAGE

#132
20160327291
2016-11-10

SOLAR-POWERED VENTILATOR

#133
20160313024
2016-10-27

Heat recovery ventilator and rotary damper assembly

#134
20160305686
2016-10-20

Spike guard vent cover

#135
20160281678
2016-09-29

ENERGY RECOVERY SYSTEMS FOR VENTILATION EXHAUSTS AND ASSOCIATED APPARATUSES AND METHODS

#136
20160265797
2016-09-15

APPLIANCE VENT

#137
20160084513
2016-03-24

Integrated basement ventilation apparatus

#138
20160069578
2016-03-10

Smoke elimination device

#139
20150376895
2015-12-31

Radon gas mitigation systems and apparatus

#140
20150369500
2015-12-24

Inverted exhaust plenum module

#141
20150364346
2015-12-17

Wafer treatment device

#142
20150362203
2015-12-17

Soffit vent

#143
20150338115
2015-11-26

50/60 CFM bath exhaust fans with flaps/ears that allow housings to be mounted to joists

#144
20150276248
2015-10-01

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

#145
20150276244
2015-10-01

VENTILATION MEMBER

#146
20150219358
2015-08-06

System for optimising an environmental parameter of an enclosed space

#147
20150211755
2015-07-30

Pressure equalization vent for use in an aircraft assembly

#148
20150153053
2015-06-04

Storage systems

#149
20150139823
2015-05-21

Aspirating induction nozzle with flow transition

#150
20150110518
2015-04-23

Suction pipe with flow control members

#151
20140252099
2014-09-11

Vapor mitigation system, vapor mitigation controller and methods of controlling, monitoring and mitigating vapors

#152
20140134938
2014-05-15

Vapor mitigation system, vapor mitigation controller and methods of controlling vapors

#153
20140131459
2014-05-15

Remote control system for controlling operation of a fan assembly

#154
20140130574
2014-05-15

Monitoring system and method for monitoring and setting air parameters in a room, fume extraction device for use in a monitoring system

#155
20140127987
2014-05-08

Energy saving-exhaust control and auto shut off system

#156
20140096719
2014-04-10

Hog confinement building ventilation system

#157
20140080403
2014-03-20

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

#158
20140065945
2014-03-06

Ventilation system and method

#159
20130337738
2013-12-19

VENT COVER WITH PADDLE WHEEL

#160
20130295837
2013-11-07

Radon exhaust system with a diagnostic bypass filter apparatus

#161
20130283708
2013-10-31

Tropical ventilation well

#162
20130255661
2013-10-03

Extractor hood

#163
20130196589
2013-08-01

Exhaust vent

#164
20130190933
2013-07-25

ENERGY EFFICIENT AIR FLOW CONTROL

#165
20130160197
2013-06-27

AIR VENTILATION DEVICE

#166
20130137361
2013-05-30

Ventilating fan

#167
20130101309
2013-04-25

Blowing device and image forming apparatus

#168
20130090049
2013-04-11

Vortex baffle for a ventilated enclosure

#169
20120328378
2012-12-27

Vapor mitigation system, vapor mitigation controller and methods of controlling vapors

#170
20120322358
2012-12-20

Variable-volume exhaust system

#171
20120302151
2012-11-29

Intake and Exhaust Method and A Structure Utilizing the Same

#172
20120282853
2012-11-08

Make-up air system and method

#173
20120264363
2012-10-18

Exhaust vent

#174
20120252345
2012-10-04

Ventilation Systems and Methods

#175
20120220211
2012-08-30

FUME HOOD HAVING A SLIDING DOOR

#176
20120088445
2012-04-12

Air distribution unit

#177
20110312263
2011-12-22

Louvered vent cover

#178
20110312262
2011-12-22

PEST GUARD VENT COVER

#179
20110053489
2011-03-03

Exhaust system

#180
20110048330
2011-03-03

Odor free kitty litter with vented enclosure

#181
20110021134
2011-01-27

MULTI-FUNCTION VENTILATION AND ELECTRICAL SYSTEM

#182
20110021133
2011-01-27

PASSIVE HEATING, COOLING, AND VENTILATION SYSTEM

#183
20100329850
2010-12-30

EXTERNAL EXTRACTOR FAN FOR EXHAUST HOOD

#184
20100301123
2010-12-02

Air quality control system

#185
20100297928
2010-11-25

CONTROLS FOR VENTILATION AND EXHAUST DUCTS AND FANS

#186
20100099348
2010-04-22

BACKFLOW PREVENTION DEVICE FOR BATHROOM AIR DUCT

#187
20100068987
2010-03-18

Ventilator and its impeller

#188
20100024106
2010-02-04

Bathroom air-conditioner

#189
20100006661
2010-01-14

Automatic exhaust fan control apparatus and method

#190
20090253364
2009-10-08

Rechargeable fire containment and smoke extraction system

#191
20090233540
2009-09-17

Systems and methods for ventilation of a surgical table

#192
20090211451
2009-08-27

Ductless fumehood system

#193
20090188847
2009-07-30

Ventilation system of sludge receiving facility

#194
20090130970
2009-05-21

EXHAUST FAN AND METHOD OF OPERATING THE SAME

#195
20080318515
2008-12-25

VENTILATION EXHAUST FAN

#196
20080302114
2008-12-11

Storage systems

#197
20080261508
2008-10-23

Exhaust system with easy installation

#198
20080254730
2008-10-16

Passive ventilation stack

#199
20080211227
2008-09-04

Wall bushing for air conditioner

#200
20080185055
2008-08-07

Soffit vent

#201
20080132160
2008-06-05

Exhaust structure from dryer in apartment building

#202
20080039006
2008-02-14

Ventilation system

#203
20080039005
2008-02-14

PORTABLE FUME EXHAUSTER-CARPET AND FLOOR DRYER

#204
20070074725
2007-04-05

Ventilator including a control unit and human sensor

#205
20070015449
2007-01-18

EXHAUST HOOD ENHANCED BY CONFIGURATION OF FLOW JETS

#206
20060237073
2006-10-26

Exhaust system and mini-exhaust static pressure controlling apparatus thereof

#207
20060236666
2006-10-26

Ventilator having effective filter device

#208
20060223435
2006-10-05

Exhaust fan having a unitary molded housing

#209
20060213000
2006-09-28

Automatic energy-efficient bathroom exhaust fan controller

#210
20060199523
2006-09-07

Ventilation device

#211
20060172687
2006-08-03

Ventilation system

#212
20060154595
2006-07-13

STATIC PRESSURE STABILIZER FOR LOCAL EXHAUST

#213
20060154590
2006-07-13

Method and device for local ventilation by buiding airflow and separating airflow

#214
20060060187
2006-03-23

System for directing and controlling two separate streams of air to a kitchen

#215
20050252983
2005-11-17

Ventilation system with humidity responsive ventilation controller

#216
20050164628
2005-07-28

Local exhaust ventilator with rotating swirler

#217
20050164625
2005-07-28

Apparatus for air purifying and ventilating

#218
20050160706
2005-07-28

Ventilating and air purifying device

#219
20050156053
2005-07-21

Kitchen exhaust optimal temperature span system and method

#220
18762157
2025-07-29

Exhaust plenum system and methods for a ventilation system

#221
18134225
2023-12-05

Exhaust vent assembly with selectively removable top

#222
17665091
2024-12-03

Systems and methods for purging smoke or other gasses from containers

#223
17582891
2023-03-21

Clothes dryer exhaust vent for building exterior wall

#224
17200049
2023-06-20

Exhaust fan assembly

#225
16579189
2022-03-15

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

#226
15416460
2017-10-17

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

#227
15237475
2017-11-14

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

#228
15065359
2019-02-26

Circulation system and method of circulation