ClassID:

157312

F23N2033/04 - CPC Classification

Classification description:

Recent Application in this class:
#1
20200182484
2020-06-11

Electronically controlled vent damper

#2
20200025374
2020-01-23

Motor controller for draft inducer motor in a furnace and method of use

#3
20180282630
2018-10-04

Managed biochar kiln

#4
20180282629
2018-10-04

Flow regulation for a biochar kiln

#5
20180282628
2018-10-04

Exhaust system for a biochar kiln

#6
20180238544
2018-08-23

Combustion acoustic noise prevention in a heating furnace

#7
20180087775
2018-03-29

Motor controller for blower in gas-burning appliance and method of use

#8
20170369785
2017-12-28

Airflow control and heat recovery in a managed kiln

#9
20170350595
2017-12-07

Furnace, a method for operating a furnace and a furnace controller configured for the same

#10
20170336099
2017-11-23

Combustion control system of gas water heater or wall-hanging boiler and control method thereof

#11
20170328559
2017-11-16

Modulating burner with venturi damper

#12
20170108217
2017-04-20

Intelligent oxygen level controller for biofuel-fired burner

#13
20160223198
2016-08-04

Furnace, a method for operating a furnace and a furnace controller configured for the same

#14
20160076768
2016-03-17

Combustion apparatus supplying combustion air via suction type fan and method for controlling the same

#15
20150354809
2015-12-10

Modulating burner with venturi damper

#16
20150211738
2015-07-30

Intelligent oxygen level controller for biofuel-fired burner

#17
20150104340
2015-04-16

Draft inducer for low power multistage furnaces utilizing an electronically commutated motor system and an associated method of use

#18
20140127632
2014-05-08

Draft inducer for low power multistage furnaces utilizing an electronically commutated motor system and an associated method of use

#19
20140030662
2014-01-30

Combustion acoustic noise prevention in a heating furnace

#20
20140023976
2014-01-23

Combustion blower control for modulating furnace

#21
20130266881
2013-10-10

Power generation system and method of operating the same

#22
20120116589
2012-05-10

Intelligently-controlled catalytic converter for biofuel-fired boiler

#23
20110269082
2011-11-03

Gas pressure control for warm air furnaces

#24
20110174201
2011-07-21

Furnace, a method for operating a furnace and a furnace controller configured for the same

#25
20090044794
2009-02-19

Inducer speed control method for combustion furnace