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Class Information
Number: D23/387
Name: Environmental heating and cooling; fluid handling and sanitary equipment > Heating or cooling > Element or attachment, not elsewhere specified > Flow director (29)

Sub-classes under this class:

Class Number Class Name Patents
D23/388 Register or diffuser 114
D23/393 Vent, ductwork, or element thereof 319

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8567268 Environmental testing device Oct. 29, 2013
D679796 Vent cover Apr. 9, 2013
D672450 Vent cover Dec. 11, 2012
D666285 Vent cover Aug. 28, 2012
D658281 End cap for dryer air system Apr. 24, 2012
8128245 Make-up mirror with airflow component Mar. 6, 2012
D629094 Vent cover Dec. 14, 2010
7794313 Air register cover assembly Sep. 14, 2010
D620585 Cooling nozzle Jul. 27, 2010
7651390 Ceiling vent air diverter Jan. 26, 2010
7635298 Air deflector Dec. 22, 2009
D597194 Flow restricting member Jul. 28, 2009
D579538 Scented air vent Oct. 28, 2008
D571450 Deflecting louver with damper Jun. 17, 2008
D538422 Ventilation grids Mar. 13, 2007
D508122 Air flow directing fixture for heating, air conditioning and ventilation devices Aug. 2, 2005
D495047 Vent Aug. 24, 2004
D469172 Side panel of a heater Jan. 21, 2003
D451589 Turning ends for heat exchangers Dec. 4, 2001
D442272 Shutter louver May. 15, 2001
D432639 Cooling fin with ripples Oct. 24, 2000
D428483 Fluid flow regulator Jul. 18, 2000
D427302 Louver pattern for a gas furnace door Jun. 27, 2000
D402743 Supply air device Dec. 15, 1998
D400972 Supply air device Nov. 10, 1998
D399941 Supply air device Oct. 20, 1998
D399940 Supply air device Oct. 20, 1998
D399939 Supply air device Oct. 20, 1998
D399297 Supply air device Oct. 6, 1998
D398975 Supply air device Sep. 29, 1998
D397202 Air conditioner duct Aug. 18, 1998
D397201 Air filter grill Aug. 18, 1998
D392030 Supply air device Mar. 10, 1998
D391356 Angularly adjustable and lockable tubing joint for an extractor Feb. 24, 1998
5711091 Soffit mounted dryer vent Jan. 27, 1998
D387155 Air diffuser guard Dec. 2, 1997
D377083 Floor register grille Dec. 31, 1996
D376844 Forced air vent Dec. 24, 1996
D374927 Heater grill Oct. 22, 1996
D370723 Louver Jun. 11, 1996
D363539 Air nozzle forming part of a reflector for infrared radiation used in a paper treating machine Oct. 24, 1995
D361836 Combined extraction and feeding articulated conduit arm unit for gas Aug. 29, 1995
D351903 Louvered vent for boats Oct. 25, 1994
D346020 Gas injection nozzle Apr. 12, 1994
D343449 Desk mountable air distribution unit to be attached to a hose Jan. 18, 1994
D342129 Fluid flow conducting tube for a heat exchanger Dec. 7, 1993
D338954 Retrofit louver for evaporative air coolers Aug. 31, 1993
D334977 Air directing device Apr. 20, 1993
D334801 Ceiling clean air deflector Apr. 13, 1993
D309659 Hot air and fume director for conveyor oven Jul. 31, 1990

1 2

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