ClassID:

158619

F24H3/006 - CPC Classification

Classification description:

Air heaters using fluid fuel

Recent Application in this class:
#1
20240410608
2024-12-12

SYSTEMS AND METHODS OF DETECTING AN OBSTRUCTED FURNACE AIR FILTER USING A PRESSURE SENSOR

#2
20240316519
2024-09-26

AMMONIA DECOMPOSITION SYSTEM

#3
20240280261
2024-08-22

HYBRID FURNACE WITH FUEL AND/OR ELECTRICITY

#4
20220381480
2022-12-01

Variable capacity furnace control

#5
20220196289
2022-06-23

Fuel-fired appliance with exhaust dilution

#6
20220136736
2022-05-05

SYSTEMS AND METHODS FOR OPERATING A FURNACE SYSTEM

#7
20220065496
2022-03-03

Modular linear fireplace system, assemblies and methods

#8
20220042707
2022-02-10

Systems and methods of detecting an obstructed furnace air filter using a pressure sensor

#9
20220042706
2022-02-10

Systems and methods of detecting an obstructed furnace air filter using a flame sensor

#10
20210262698
2021-08-26

Heater

#11
20210222914
2021-07-22

Method, system and temperature control of a heating, ventilation and air conditioning unit

#12
20210215395
2021-07-15

Efficient limit switch design and its location in a gas furnace

#13
20210112973
2021-04-22

Heating device

#14
20210033306
2021-02-04

Condensate water trap for gas furnace

#15
20190353398
2019-11-21

Furnace

#16
20190301751
2019-10-03

Indirect gas furnace

#17
20190293321
2019-09-26

Modular linear fireplace system, assemblies and methods

#18
20190242619
2019-08-08

Modular heating system

#19
20180259223
2018-09-13

Fuel-fired appliance with exhaust dilution

#20
20180259221
2018-09-13

Furnace

#21
20180038601
2018-02-08

Indirect gas furnace

#22
20170363327
2017-12-21

VENT-FREE HEATER WITH ENVIRONMENTAL SENSORS

#23
20170363326
2017-12-21

PORTABLE HEATER WITH ENVIRONMENTAL SENSORS

#24
20170363325
2017-12-21

Stove

#25
20170307256
2017-10-26

Systems and methods for controlling gas powered appliances

#26
20170176048
2017-06-22

Multiple stage modulating gas fired heat exchanger

#27
20170138604
2017-05-18

HEATER CONFIGURED TO OPERATE WITH A FIRST OR SECOND FUEL

#28
20160334136
2016-11-17

PORTABLE FLUID FUEL AIR HEATER

#29
20160290656
2016-10-06

Dual fuel heating assembly with selector switch

#30
20160230985
2016-08-11

DOUBLE-SCREENED GAS HEATER WITH DANCING FLAME

#31
20160186991
2016-06-30

Heat dispersing element

#32
20160161146
2016-06-09

DUAL FUEL HEATER WITH SELECTOR VALVE

#33
20160146503
2016-05-26

Hot air blower

#34
20160146471
2016-05-26

Dual fuel heating system

#35
20160131396
2016-05-12

Furnace

#36
20160131394
2016-05-12

COMBUSTION DEVICE FOR AN OUTDOOR FLAME HEATER

#37
20160018106
2016-01-21

Gas device with increased fuel evaporation efficiency

#38
20160003482
2016-01-07

COMBUSTION HEATER

#39
20150345828
2015-12-03

PATIO HEATER WITH REFLECTIVE SHIELD

#40
20150338099
2015-11-26

Dual fuel heating assembly with reset switch

#41
20150300685
2015-10-22

Balanced high efficiency outdoor heater

#42
20150253037
2015-09-10

Modular linear fireplace system, assemblies and methods

#43
20150253036
2015-09-10

OUTDOOR HEATER

#44
20150167973
2015-06-18

Gas heater

#45
20150083117
2015-03-26

HEAT DISPERSING ELEMENT

#46
20150040885
2015-02-12

Mobile heating device operated with liquid fuel

#47
20140305428
2014-10-16

Radiant heat lifting device for outdoor flame heater

#48
20140305427
2014-10-16

COMBUSTION DEVICE FOR OUTDOOR FLAME HEATER

#49
20140299123
2014-10-09

Dual fuel heating system and air shutter

#50
20140263262
2014-09-18

HEATER COVERS AND METHODS OF USING THE SAME

#51
20140150767
2014-06-05

Heater configured to operate with a first or second fuel

#52
20140076300
2014-03-20

Protective grill for an infrared heater

#53
20140053826
2014-02-27

RADIANT TUBE

#54
20140011140
2014-01-09

HEATING DEVICE AND METHOD FOR ITS OPERATIONS

#55
20130273482
2013-10-17

Dual fuel heater

#56
20130167835
2013-07-04

Heater with Reflector

#57
20130037014
2013-02-14

Heater configured to operate with a first or second fuel

#58
20120272945
2012-11-01

Auxiliary heating duct for an indirect fired heater

#59
20120180784
2012-07-19

Gas-Fired Portable Unvented Infrared Heater

#60
20120145693
2012-06-14

HYBRID HEATING APPARATUS

#61
20120094244
2012-04-19

THERMOCOUPLE SHUTOFF FOR PORTABLE HEATER

#62
20120080024
2012-04-05

Heater configured to operate with a first or second fuel

#63
20120067341
2012-03-22

Dual fuel heater

#64
20110283987
2011-11-24

Outdoor gas heater

#65
20110045417
2011-02-24

Thermocouple Shutoff for Portable Heater

#66
20110041837
2011-02-24

COMBUSTION HEATER

#67
20100330519
2010-12-30

Dual fuel heating source

#68
20100330518
2010-12-30

Heat engine with nozzle

#69
20100330513
2010-12-30

Dual fuel heating source

#70
20100326430
2010-12-30

Dual fuel heating system and air shutter

#71
20100170503
2010-07-08

Heater configured to operate with a first or second fuel

#72
20090050615
2009-02-26

Heater covers and methods of using the same

#73
20080006263
2008-01-10

Apparatus for selectively heating and cooling an outdoor area

#74
20070277813
2007-12-06

Heater configured to operate with a first or second fuel

#75
20070221196
2007-09-27

Heating device and method for its operations

#76
20060070619
2006-04-06

Panel type radiator

#77
13750647
2016-03-01

Weather resistant portable heater