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Class Information
Number: 454/284
Name: Ventilation > Having inlet airway > Including specific air distributor (e.g., register, etc.)
Description: Subject matter comprising particular means for directing the air as it enters the ventilated space.










Sub-classes under this class:

Class Number Class Name Patents
454/305 Air nozzle 53
454/287 Baseboard type 13
454/292 Ceiling type 96
454/289 Floor type 56
454/307 Having air deflecting wall extending into room 25
454/306 Having air duct extending into room 121
454/286 Having airway joint with ball or cylinder rotatable in a socket 35
454/330 Having register box, frame, or grating 33
454/308 Having vanes or elongated output slots extending radially 9
454/309 Louvered air distributor 46
454/285 Sweeping type 59
454/322 With adjustable valve 37
454/329 With air pump 29
454/328 With means for liquid contact 21


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8676545 Methods and apparatus to determine air duct system configurations Mar. 18, 2014
8562398 Airflow diffuser (diffuser fan) and air conditioner Oct. 22, 2013
8505253 Shelter that is capable of withstanding strong winds Aug. 13, 2013
8442694 Distribution of airflow in an HVAC system to optimize energy efficiency and temperature differentials May. 14, 2013
8429922 Attic cooling process and apparatus Apr. 30, 2013
8419515 Magnetic register vent cover and associated method Apr. 16, 2013
8353746 Air conducting device Jan. 15, 2013
8308536 Ventilating device for providing a zone of clean air Nov. 13, 2012
8216034 Universal air vent cover system Jul. 10, 2012
8172655 Air conditioner May. 8, 2012
8109813 Thin air outlet structure of vehicle air conditioner Feb. 7, 2012
8075375 Method and apparatus for balancing an HVAC system Dec. 13, 2011
8029345 Fire stop outlet for small duct, high velocity air distribution systems Oct. 4, 2011
8016652 Airflow diffuser (diffuser fan) and air conditioner Sep. 13, 2011
7997964 Air vent providing diffusion Aug. 16, 2011
7950988 Variable volume floor diffuser with attachment means May. 31, 2011
7887401 Ventilation valve for heaters, comprising a holding body and an axially displaceable valve body Feb. 15, 2011
7882668 Wall shoe Feb. 8, 2011
7819730 Flush mount or drop in wood and/or wood composition floor vent Oct. 26, 2010
7794313 Air register cover assembly Sep. 14, 2010
7752862 Indoor unit in air conditioner Jul. 13, 2010
7667966 Invisiduct--airflow optimization device Feb. 23, 2010
7651390 Ceiling vent air diverter Jan. 26, 2010
7645188 Air diffuser apparatus Jan. 12, 2010
7640710 Method for replacing a louvered panel mounted in a finished opening Jan. 5, 2010
7635298 Air deflector Dec. 22, 2009
7635297 Blow out grill and air conditioning ventilating system using the grill Dec. 22, 2009
7597617 Gas diffusion device Oct. 6, 2009
7566263 Register grille and connector frame with releasable connection Jul. 28, 2009
7566262 Airflow boosting assembly for a forced air circulation and delivery system Jul. 28, 2009
7510471 Flow spreading mechanism Mar. 31, 2009
7361082 System, device and method for ventilating a room Apr. 22, 2008
7328478 Register inlet apparatus for a central vacuum cleaning system Feb. 12, 2008
6942563 Air-guiding appliance Sep. 13, 2005
6887149 Cooling system with mesh grill and directional louvers May. 3, 2005
6814660 HVAC localized air filter assembly system Nov. 9, 2004
6749499 Cover for register and register opening Jun. 15, 2004
6682413 Fluid control valve Jan. 27, 2004
6397933 Method and device for cooling of electronic/computer equipment and use thereof Jun. 4, 2002
6241603 Ventilation filter mechanism Jun. 5, 2001
6168518 Vent structure with slotted rectangular outlet Jan. 2, 2001
6139426 Molded polymer air diffusing screen Oct. 31, 2000
6135877 Box- or screen-like supply air terminal device and a nozzle module or nozzle unit therefor Oct. 24, 2000
6010401 Germ removing device for air supply systems Jan. 4, 2000
5984774 Air distribution unit and system Nov. 16, 1999
5876281 Pulse air jet generator Mar. 2, 1999
5863310 Grill/filter mounting assembly Jan. 26, 1999
5810662 Compact smoke and fire damper with over center latch Sep. 22, 1998
5733191 Directional vent register Mar. 31, 1998
5720660 Protective cover for a heat register Feb. 24, 1998

1 2 3










 
 
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