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Class Information
Number: 454/306
Name: Ventilation > Having inlet airway > Including specific air distributor (e.g., register, etc.) > Having air duct extending into room
Description: Subject matter wherein the air directing means includes an elongated tubular air passageway projecting through a barrier and into the ventilated space.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8540558 Cooling auxiliary unit and cooling system Sep. 24, 2013
8482918 Server system with heat dissipating device Jul. 9, 2013
8186075 Forced air flow electric shoe dryer May. 29, 2012
7794313 Air register cover assembly Sep. 14, 2010
7651390 Ceiling vent air diverter Jan. 26, 2010
7635298 Air deflector Dec. 22, 2009
7459002 Modular presentation apparatus having integral air processing apparatus Dec. 2, 2008
7442121 Textile ducts Oct. 28, 2008
7238106 Air delivery system Jul. 3, 2007
7210995 Roof air make-up for exhaust of fire smoke May. 1, 2007
7201650 Air vent for a ventilation system Apr. 10, 2007
7185504 Air conditioner Mar. 6, 2007
7022011 Air duct expander Apr. 4, 2006
6963488 Device to convey the cool air from an air-conditioner into a computer Nov. 8, 2005
6960130 Fabric air duct with directional vent Nov. 1, 2005
6958011 Pliable air duct with dust and condensation repellency Oct. 25, 2005
6953396 Fabric flow restriction and method for conveying a volume of air Oct. 11, 2005
6899615 Conical air filter May. 31, 2005
6852025 Vertical ventilator for outdoors and/or indoors Feb. 8, 2005
6843717 Automobile vent extender Jan. 18, 2005
6776710 Vent structure for slotted outlet with uniform velocity profile Aug. 17, 2004
6669552 Telescopic ventline Dec. 30, 2003
6663483 Cold and hot air blowing device for construction machinery Dec. 16, 2003
6626754 Conical air filter Sep. 30, 2003
6616524 Raised floor air handling unit Sep. 9, 2003
6602128 Clean air room with a blower including a HEPA filter and ducts Aug. 5, 2003
6565429 Supply air terminal May. 20, 2003
6565430 Pliable air duct with dust and condensation repellency May. 20, 2003
6558250 Fabric flow restriction and method for restricting a fabric duct May. 6, 2003
6558249 Air diffuser fabric and air diffusers formed therefrom May. 6, 2003
6540605 Air circulating method and device Apr. 1, 2003
6511373 Cornice duct system Jan. 28, 2003
6511372 Apparatus for controlling gas flow in thermodynamic environmental testing devices Jan. 28, 2003
6435963 Barrier device to surround air delivery structures Aug. 20, 2002
6347992 Ductwork air freshener apparatus Feb. 19, 2002
6318113 Personalized air conditioned system Nov. 20, 2001
6280320 Frame to support a deflated fabric air duct Aug. 28, 2001
6261174 Air flow control apparatus and method Jul. 17, 2001
6251007 Transition inlet diffuser Jun. 26, 2001
6248014 Self-contained activity module Jun. 19, 2001
6206778 Air diffuser plenum Mar. 27, 2001
6174231 Air outlet device for a microcomputer CPU Jan. 16, 2001
6135877 Box- or screen-like supply air terminal device and a nozzle module or nozzle unit therefor Oct. 24, 2000
6117005 Air conditioning extender system Sep. 12, 2000
5851144 Method and device for supplying air to a ventilated space Dec. 22, 1998
D400972 Supply air device Nov. 10, 1998
5823200 Tobacco smoke abatement system Oct. 20, 1998
D399297 Supply air device Oct. 6, 1998
5782290 Tubular heat exchange system Jul. 21, 1998
5769708 Fabric air dispersion system with air dispersing panels Jun. 23, 1998

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