ClassID:

157355

F23N2041/04 - CPC Classification

Classification description:

Recent Application in this class:
#1
20210140635
2021-05-13

Apparatus for Oil Flow Control

#2
20210018222
2021-01-21

Water heater pilot operation

#3
20200300507
2020-09-24

Digital gas valve burner control systems and methods

#4
20200096197
2020-03-26

Combustion apparatus and hot water apparatus

#5
20190353403
2019-11-21

Method of manufacturing an electromagnetic actuator for a gas powered water heater controller

#6
20190338987
2019-11-07

Method and system for controlling an intermittent pilot water heater system

#7
20190285316
2019-09-19

Control system for modulating water heater

#8
20190226676
2019-07-25

Ignition control systems for fuel-fired devices

#9
20190203936
2019-07-04

Closed-loop programming and control of a combustion appliance

#10
20190137141
2019-05-09

Gas powered water heater controller and related methods

#11
20190041091
2019-02-07

SCALABLE PULSE COMBUSTOR

#12
20190017703
2019-01-17

Flame rod

#13
20180252437
2018-09-06

Water heating system

#14
20180209648
2018-07-26

Heater device and method for operating a heater device

#15
20180112891
2018-04-26

Water heating system

#16
20180112890
2018-04-26

Combustion device and combustion device system including combustion device

#17
20170350617
2017-12-07

Heat source apparatus

#18
20170299178
2017-10-19

System for boiler control

#19
20170292698
2017-10-12

Method for operating a gas burner appliance

#20
20170167726
2017-06-15

Device for controlling the combustion of a burner

#21
20170082320
2017-03-23

Dual sensor combustion system

#22
20170038094
2017-02-09

AIR INLET DAMPER

#23
20160187029
2016-06-30

Connected hot-water supply system

#24
20160116374
2016-04-28

Monitoring efficiency and operational mode changes of combustion equipment

#25
20160047547
2016-02-18

Water heating device and method for measuring a flame current in a flame in a water heating device

#26
20150330666
2015-11-19

Control system for modulating water heater

#27
20150330665
2015-11-19

Systems and methods for controlling gas powered appliances

#28
20150330663
2015-11-19

Systems and methods for controlling gas powered appliances

#29
20150276268
2015-10-01

Pilot light control for an appliance

#30
20150233578
2015-08-20

METHOD FOR REGULATING A HEATING UNIT, AND HEATING UNIT

#31
20140114483
2014-04-24

System for boiler control

#32
20130071797
2013-03-21

Gas appliance and method of controling the gas appliance

#33
20130042822
2013-02-21

Water heating system with oxygen sensor

#34
20120204816
2012-08-16

Control system for modulating water heater

#35
20120037096
2012-02-16

Combustion apparatus, method for combustion control, board, combustion control system and water heater

#36
20110212404
2011-09-01

Automated setup process for metered combustion control systems

#37
20100212602
2010-08-26

Valve shank mount assembly for a water heater