ClassID:

158311

F24F2011/0002 - page 2 - CPC Classification

Classification description:

Control or safety arrangements for ventilation for admittance of outside air

Recent Application in this class:
#301
20100035537
2010-02-11

AIR CLEANER

#302
20100035536
2010-02-11

Apparatus and method protecting against attack by particulate chemical or biological agents

#303
20100011612
2010-01-21

Method and apparatus for drying rooms within a building

#304
20100006659
2010-01-14

HVAC inside and outside return air control system

#305
20090001179
2009-01-01

Energy Efficient House Ventilation

#306
20080233860
2008-09-25

Air handling system with self balancing air entrance door

#307
20080214099
2008-09-04

Air conditioning system

#308
20080179409
2008-07-31

Adaptive real-time optimization control

#309
20080179408
2008-07-31

Sensor-free optimal control of air-side economizer

#310
20080156891
2008-07-03

PTAC dehumidification without reheat and without a humidistat

#311
20080041970
2008-02-21

Dehumidifying ventilation and regulation of airflow in enclosed structures

#312
20080039006
2008-02-14

Ventilation system

#313
20070209653
2007-09-13

Pressure Controller for a Mechanical Draft System

#314
20070207722
2007-09-06

Fresh Air Intake System

#315
20070205294
2007-09-06

VENTILATION SYSTEM AND METHOD OF USING THE VENTILATION SYSTEM

#316
20070197158
2007-08-23

DUCT ASSEMBLY AND METHOD OF USING THE DUCT ASSEMBLY IN AN ATTIC

#317
20070145160
2007-06-28

Closed air handling system with integrated damper for whole-building ventilation

#318
20070057078
2007-03-15

Closed air handling system with integrated damper for whole-building ventilation

#319
20070051822
2007-03-08

Damper control in space heating and cooling

#320
20070051821
2007-03-08

Damper control in space heating and cooling

#321
20070045440
2007-03-01

Damper control in space heating and cooling

#322
20070045439
2007-03-01

Damper control in space heating and cooling

#323
20070045438
2007-03-01

Damper control in space heating and cooling

#324
20070045437
2007-03-01

Damper control in space heating and cooling

#325
20070045436
2007-03-01

Damper control in space heating and cooling

#326
20070045435
2007-03-01

Damper control in space heating and cooling

#327
20070045434
2007-03-01

Damper control in space heating and cooling

#328
20070032187
2007-02-08

Air handling unit fan control systems and methods

#329
20070028639
2007-02-08

Humidity controller

#330
20070017667
2007-01-25

Air conditioning system having a terminal chest to provide optimal airflow

#331
20060264696
2006-11-23

System for controlling pressure in defined environment and associated method

#332
20060219381
2006-10-05

Ventilation system

#333
20060172687
2006-08-03

Ventilation system

#334
20060162367
2006-07-27

Air conditioner

#335
20060158051
2006-07-20

Fresh air ventilation control methods and systems

#336
20060154596
2006-07-13

Ventilation blower controls employing air quality sensors

#337
20060060187
2006-03-23

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

#338
20060021370
2006-02-02

Combined type air conditioner

#339
20050279347
2005-12-22

Heating and cooling system

#340
20050272364
2005-12-08

Ventilating system

#341
20050260946
2005-11-24

Ventilating system

#342
20050224591
2005-10-13

Damper control in space heating and cooling

#343
20050186901
2005-08-25

Adjustable ceiling mounted filter access frame and return system

#344
20050164625
2005-07-28

Apparatus for air purifying and ventilating

#345
20050156052
2005-07-21

Fresh air ventilation control methods and systems

#346
20050061020
2005-03-24

Air conditioner

#347
17931031
2025-04-22

Wireless sensors system and method of using the same

#348
17895355
2023-09-12

Apparatus and method for fresh air cooling of a residence or building utilizing a thermostat

#349
17329826
2022-01-25

Cooling and heating methodology and systems

#350
16873790
2024-02-20

HVAC vent valve

#351
16377623
2019-09-10

Secondary controller for ventilation systems and integrated ventilation systems

#352
15596104
2019-11-26

Systems and methods for controlling an intake fan

#353
15411878
2018-05-29

HVAC system with predictive free cooling control based on the cost of transitioning into a free cooling state

#354
14955275
2016-10-04

Tile assemblies faciliating failover airflow into cold air containment aisle

#355
14938652
2019-04-23

Rapid deploy air cooling system