Patents-Review.com
ClassID:

157015 ⎘

F23L11/005 - CPC Classification

Classification description:

Arrangements of valves or dampers after the fire for closing the flue during interruption of burner function

Recent Application in this class:
#1
20200166147
2020-05-28

NONRETURN VALVE

 #2
20190346176
2019-11-14

Vent proving system

 #3
20190257431
2019-08-22

FLUE DAMPER HAVING A DAMPER GATE, A SEAL, AND A FLANGE

 #4
20180245818
2018-08-30

Vent proving system

 #5
20170102166
2017-04-13

System and method to reduce standby energy loss in a gas burning appliance and components for use therewith

 #6
20160265785
2016-09-15

Sealed damper

 #7
20160123585
2016-05-05

Combined combustion device

 #8
20160109137
2016-04-21

Low profile damper system for ovens

 #9
20160040875
2016-02-11

Double wall insulated cap

 #10
20160040874
2016-02-11

CHIMNEY CAP LINK

 #11
20140020674
2014-01-23

Chimney blocking apparatus

 #12
20120138168
2012-06-07

Nonreturn valve for an exhaust line

 #13
20110168284
2011-07-14

System and method to reduce standby energy loss in a gas burning appliance and components for use therewith

 #14
20110114034
2011-05-19

Vent proving system

 #15
20100012048
2010-01-21

System and method to reduce standby energy loss in a gas burning appliance

 #16
20090235916
2009-09-24

NON-RETURN VALVE FOR AN EXHAUST DUCT OF FLUE GASSES

 #17
20090191495
2009-07-30

Apparatus and method for controlling a damper in a gas-fired appliance

 #18
20090191493
2009-07-30

Apparatus and method for controlling a damper in a gas-fired appliance

 #19
20070101689
2007-05-10

Vent protector device for exhaust vents of buildings

 #20
20060219236
2006-10-05

Fireplace plug

 #21
20050247304
2005-11-10

Millivolt damper control device

 #22
20050247303
2005-11-10

Wireless fireplace damper control device