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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:

Class Number Class Name Patents
D23/394 Stovepipe 0


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
D703305 Tile-shaped roof vent cover for roof having diamond-shaped tiles Apr. 22, 2014
D703306 Trim bead for building wall Apr. 22, 2014
D703307 Trim bead for a building wall Apr. 22, 2014
D702338 Vent Apr. 8, 2014
D700370 Roof vent sleeve Feb. 25, 2014
D698434 Bird and large insect vent cap for exhaust pipes for high efficiency furnaces Jan. 28, 2014
D695387 Vent Dec. 10, 2013
D694872 Ventilation duct joint Dec. 3, 2013
D694394 Ridge vent Nov. 26, 2013
D690805 Roof vent Oct. 1, 2013
D683441 Ventilation duct plug May. 28, 2013
D681798 Shock absorbing damper May. 7, 2013
D681797 Ventilation duct joint May. 7, 2013
D680212 Window vent Apr. 16, 2013
D678996 Grain bin vent cover Mar. 26, 2013
D677375 Direct vent exhaust termination Mar. 5, 2013
D677374 B vent exhaust termination Mar. 5, 2013
D677376 Bird and large insect vent cap for exhaust pipes for high efficiency furnaces Mar. 5, 2013
D675723 Device for recovering waste heat from flue gases Feb. 5, 2013
D675719 Angled roof ventilation cap with a grill Feb. 5, 2013
D673668 Ventilator channel Jan. 1, 2013
D669570 Duct connector Oct. 23, 2012
D669571 Scroll housing Oct. 23, 2012
D669163 Corner plate with sled feature Oct. 16, 2012
D666707 Roof exhaust ventilator Sep. 4, 2012
D664637 Indicator for a damper inside the duct work for an HVAC system Jul. 31, 2012
D657041 Duct section Apr. 3, 2012
D656603 Trim bead for a building wall Mar. 27, 2012
D654162 Outward mounted crawlspace vent cover Feb. 14, 2012
D652907 Vent clip Jan. 24, 2012
D646373 Duct adaptor ring Oct. 4, 2011
D645951 Septic vent Sep. 27, 2011
D645550 Portable ducting kit Sep. 20, 2011
D642669 Vent cap Aug. 2, 2011
D641859 Cuffs Jul. 19, 2011
D641860 Draft chamber Jul. 19, 2011
D641861 Draft chamber Jul. 19, 2011
D639416 Interlocking vent assembly for equalizing pressure in a compartment Jun. 7, 2011
D635239 Draft blocker Mar. 29, 2011
D634419 Internally adjustable damper Mar. 15, 2011
D626644 Vent Nov. 2, 2010
D623730 Poke through Sep. 14, 2010
D623731 Poke through Sep. 14, 2010
D623285 Poke through Sep. 7, 2010
D621925 Air vent Aug. 17, 2010
D618784 Vent pipe using ultraviolet light for purification of discharge gases Jun. 29, 2010
D617890 Round burner with shutters Jun. 15, 2010
D617442 Vented soffit panel Jun. 8, 2010
D616537 Drying apparatus for mounting on a heat vent May. 25, 2010
D612925 Duct joint Mar. 30, 2010

1 2 3 4 5 6 7










 
 
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