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Class Information
Number: 126/307R
Name: Stoves and furnaces > Stovepipes
Description:










Sub-classes under this class:

Class Number Class Name Patents
126/313 Air-moistening attachments 3
126/307A Back draft diverter 52
126/312 Ventilation 102


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8490613 Oven range with gas filter Jul. 23, 2013
8156931 Direct vent cap Apr. 17, 2012
7766731 Exhaust gas chimney Aug. 3, 2010
7757686 Vent assembly for combustion gases generated by an appliance Jul. 20, 2010
7490600 Break-apart assembly for supporting an exhaust flue and providing a cumbustible materials top and a fire stop Feb. 17, 2009
7069925 Pressure relief system for a gas fireplace Jul. 4, 2006
6813995 Convection based cooking apparatus with improved draft chimney Nov. 9, 2004
6647977 Termination unit for a coaxial flue pipe Nov. 18, 2003
6634352 Direct venting vent pipe Oct. 21, 2003
6606986 Barbeque grill with retractable ventilation system Aug. 19, 2003
6543437 Drafthood adapter assembly particularly for stoves and fireplaces Apr. 8, 2003
6463926 Direct vent fireplace with baffled, directional exhaust and vent air column Oct. 15, 2002
6397833 Natural draft automatic feed pellet stove Jun. 4, 2002
6394008 Splitter plate arrangement for a flue gas stack May. 28, 2002
6237587 Woodburning fireplace exhaust catalytic cleaner May. 29, 2001
6234163 Flue ducting for atmospheric boilers May. 22, 2001
6213118 Oven vent tube Apr. 10, 2001
6138666 Direct fired outdoor heater and heating method Oct. 31, 2000
6053163 Stove pipe thermoelectric generator Apr. 25, 2000
6053162 Balanced flue sealed vent terminal assembly Apr. 25, 2000
6026803 Coupling with built-in gasket and mechanical locking device Feb. 22, 2000
6000391 Positive air flow ventilation system Dec. 14, 1999
5997295 Inlet/exhaust structure for an outdoor furnace Dec. 7, 1999
5960787 Gas appliance combustion systems Oct. 5, 1999
5947110 Flue gas flow control Sep. 7, 1999
5931155 Open fireplace Aug. 3, 1999
5762062 Fireplace vent Jun. 9, 1998
5752500 Draft hood locating device for combustion apparatus May. 19, 1998
5742108 Vehicle generator having duct cover Apr. 21, 1998
5680856 Discharge structure for closed gas appliances Oct. 28, 1997
5666942 Flue insert to control exhaust gases Sep. 16, 1997
5651732 Leak-proof venting system Jul. 29, 1997
5611331 Fireplace Mar. 18, 1997
5566667 Smoke filter with automated clogging prevention for open-hearth fireplaces Oct. 22, 1996
5445137 Backpacking stove for tent use Aug. 29, 1995
5445136 Air-fuel ratio control apparatus for internal combustion engines Aug. 29, 1995
5421774 Exhaust vent adapter for use with multiple heating units Jun. 6, 1995
5419307 Draft hood assembly May. 30, 1995
5411013 Flue insert to control exhaust gases May. 2, 1995
5315984 Through the wall insulated flue May. 31, 1994
5311930 Heat reclamation device May. 17, 1994
5253636 Apparatus and method for controlling grease build-up in cooking vent ducts Oct. 19, 1993
5249567 Modular fireplace assembly Oct. 5, 1993
5165732 Gas appliance connection Nov. 24, 1992
5140974 Trash burning barrel cover Aug. 25, 1992
5105796 Solid fuel cooker Apr. 21, 1992
5016613 Fireplace top wall assembly and cooling system May. 21, 1991
5012793 Power vented direct vent system May. 7, 1991
5000161 Smokestack having reduced IR emission Mar. 19, 1991
4984558 Large-burner stove with high heat exhaust ducting Jan. 15, 1991

1 2 3










 
 
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