ClassID:

157017

F23L13/00 - CPC Classification

Classification description:

Construction of valves or dampers for controlling air supply or draught

Sub-classes:
Recent Application in this class:
#1
20220204858
2022-06-30

Vent stack lids and associated systems and methods

#2
20220065447
2022-03-03

Velocity damper for a recovery boiler

#3
20200375196
2020-12-03

RACK OVEN AND SYSTEMS FOR USING THE SAME

#4
20200284473
2020-09-10

Gas heater, method for operating the gas heater and a gas boiler

#5
20200240635
2020-07-30

Velocity damper for a recovery boiler

#6
20200033893
2020-01-30

Process and apparatus for reducing pressure in a flue gas stream

#7
20180283685
2018-10-04

Non-return valve for flue gas venting and damper assembly for use therein

#8
20180249718
2018-09-06

Rack oven and systems for using the same

#9
20180231243
2018-08-16

Premixing apparatus

#10
20170356648
2017-12-14

Combustion system

#11
20170198941
2017-07-13

Method and Apparatus to Provide Ventilation for a Building

#12
20170115003
2017-04-27

Method and burner using the curie effect for controlling reactant velocity for operation in pre-heated and non-pre-heated modes

#13
20170067644
2017-03-09

HEATING APPARATUS WITH FAN

#14
20160018113
2016-01-21

Boiler Flue Gas and Oven Exhaust Economizer Systems

#15
20150361346
2015-12-17

Vent stack lids and associated systems and methods

#16
20150354816
2015-12-10

Signal responsive well test burner

#17
20150184855
2015-07-02

Method and burner using the curie effect for controlling reactant velocity for operation in pre-heated and non-pre-heated modes

#18
20140041559
2014-02-13

Furnace heating combustion apparatus

#19
20130312645
2013-11-28

Heating apparatus with fan

#20
20130260325
2013-10-03

Gas boiler including output adjusting device, and method of adjusting output of gas boiler

#21
20120247450
2012-10-04

Adjustable Primary Air Supply for Wood Burning Device

#22
20120090596
2012-04-19

Damper for direct vent fireplace insert

#23
20120085338
2012-04-12

Air control regulator for combustion chamber

#24
20120028558
2012-02-02

Chimney damper

#25
20110031229
2011-02-10

Apparatus and method for melting ice, snow or the like in connection with a furnace

#26
20100313798
2010-12-16

Efficient solid fuel burning appliance

#27
20090017746
2009-01-15

Apparatus having a heated screen for melting ice, snow or the like

#28
20080251136
2008-10-16

Air control regulator for combustion chamber

#29
20060266267
2006-11-30

Integrated air foil and diamond flow vane

#30
20050066958
2005-03-31

Water heater with mechanical damper

#31
14266434
2016-09-20

Variable air access films