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Class Information
Number: D23/393
Name: Environmental heating and cooling; fluid handling and sanitary equipment > Heating or cooling > Element or attachment, not elsewhere specified > Flow director (29) > Vent, ductwork, or element thereof
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| D600791 |
Soffit vent |
Sep. 22, 2009 |
| D594964 |
Vent cap |
Jun. 23, 2009 |
| D590933 |
Vent cap device |
Apr. 21, 2009 |
| D586454 |
Fan duct for air conditioner |
Feb. 10, 2009 |
| D582029 |
Flood vent without flange |
Dec. 2, 2008 |
| D581511 |
Baffle vent with transverse ribs for use in roof ventilation |
Nov. 25, 2008 |
| D580543 |
Elbow for flexible duct |
Nov. 11, 2008 |
| D576721 |
Fan duct for air conditioner |
Sep. 9, 2008 |
| D576722 |
Fan duct for air conditioner |
Sep. 9, 2008 |
| D576723 |
Flood vent |
Sep. 9, 2008 |
| D574947 |
Off-peak intake vent |
Aug. 12, 2008 |
| D571908 |
Integral ductwork takeoff |
Jun. 24, 2008 |
| D569962 |
Air-conditioning duct with fan |
May. 27, 2008 |
| D566826 |
Flexible duct |
Apr. 15, 2008 |
| D558325 |
Trunk line take-off |
Dec. 25, 2007 |
| D556314 |
Roof vent |
Nov. 27, 2007 |
| D556315 |
Crawlspace periscope air vent |
Nov. 27, 2007 |
| D555780 |
Drip pan |
Nov. 20, 2007 |
| D555237 |
Flat tile vent |
Nov. 13, 2007 |
| D554749 |
Vent cover |
Nov. 6, 2007 |
| D552725 |
Vent cap |
Oct. 9, 2007 |
| D552726 |
Direct vent cap |
Oct. 9, 2007 |
| D550831 |
Duct hanger |
Sep. 11, 2007 |
| D550346 |
Vent cover |
Sep. 4, 2007 |
| D549316 |
Tapered composition vent |
Aug. 21, 2007 |
| D546935 |
Custom vent visor |
Jul. 17, 2007 |
| D545955 |
High flow filter box |
Jul. 3, 2007 |
| D541405 |
Poke through |
Apr. 24, 2007 |
| D537934 |
Duct boot with straight and elbow inlets |
Mar. 6, 2007 |
| D537520 |
Air flow controller for an air vent |
Feb. 27, 2007 |
| D537519 |
Plastic air vent block |
Feb. 27, 2007 |
| D536778 |
Roof vent |
Feb. 13, 2007 |
| D536779 |
Ventilation apparatus |
Feb. 13, 2007 |
| D536780 |
Ventilation apparatus |
Feb. 13, 2007 |
| D536436 |
Air flow controller for an air vent |
Feb. 6, 2007 |
| D534253 |
Gasket |
Dec. 26, 2006 |
| D529598 |
Portion of ductwork |
Oct. 3, 2006 |
| D528646 |
Duct with a crimped end |
Sep. 19, 2006 |
| D527813 |
Flat roof vent having tile matching features |
Sep. 5, 2006 |
| D527091 |
Duct with an indented end |
Aug. 22, 2006 |
| D525354 |
Air vent |
Jul. 18, 2006 |
| D524600 |
Convection cover for cooking appliance |
Jul. 11, 2006 |
| D524930 |
Dual dryer vent |
Jul. 11, 2006 |
| D524436 |
Duct with a crimped end |
Jul. 4, 2006 |
| D523131 |
Duct with an indented end |
Jun. 13, 2006 |
| D521633 |
Duct tap with a crimped end |
May. 23, 2006 |
| D521632 |
Duct with a crimped end |
May. 23, 2006 |
| D521147 |
Portion of ductwork |
May. 16, 2006 |
| D520133 |
Foundation vent |
May. 2, 2006 |
| D519627 |
Foundation vent |
Apr. 25, 2006 |
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