ClassID:

158607

F24H1/43 - CPC Classification

Classification description:

Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters; Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled

Recent Application in this class:
#1
20260043582
2026-02-12

INSTANTANEOUS WATER HEATER

#2
20250362056
2025-11-27

BOILER, IN PARTICULAR A CONDENSING BOILER, COMPRISING A HEAT EXCHANGER

#3
20240353145
2024-10-24

Condensation Heat Exchanger

#4
20240183579
2024-06-06

Gas-fired steam boiler with gap structure

#5
20240003592
2024-01-04

Heating device

#6
20230358440
2023-11-09

BOILER FOR MAKING HOT WATER AND ROOM HEATING WATER AVAILABLE SIMULTANEOUSLY

#7
20230108472
2023-04-06

Tube winding for a gas heat exchange cell for a boiler

#8
20220404013
2022-12-22

COMBUSTION CELL FOR A HEATING SYSTEM

#9
20220381476
2022-12-01

A HEAT EXCHANGER COLLECTOR CONFIGURATION

#10
20220341684
2022-10-27

Condensation Heat Exchanger

#11
20220214038
2022-07-07

Tubular Boiler with Incorporated Oven

#12
20210333013
2021-10-28

Heat exchange pipe, heat exchanger and water heating apparatus

#13
20210131701
2021-05-06

Heat exchange cell and method

#14
20200355397
2020-11-12

Heat exchanger for a boiler, and heat-exchanger tube

#15
20200080788
2020-03-12

Multi-coil heat exchanger

#16
20190353399
2019-11-21

Control apparatus and method for combination space and water heating

#17
20190277536
2019-09-12

HEAT EXCHANGE CELL FOR A HEATING BOILER

#18
20190049148
2019-02-14

Deflector for condensation heat exchanger and exchanger provided with such a deflector

#19
20190041092
2019-02-07

Water heater

#20
20190024942
2019-01-24

Condensation heat exchanger provided with a heat exchange device

#21
20180245855
2018-08-30

Multi-coil heat exchanger

#22
20180172313
2018-06-21

Profile of piping for a heat exchanger, heat exchanger for condensation boilers providing said profile, and condensation boiler providing said heat exchanger

#23
20180094832
2018-04-05

Boiler system

#24
20180058718
2018-03-01

Straight fin tube with bended fins condensing heat exchanger

#25
20180031276
2018-02-01

Condensing boiler

#26
20180003380
2018-01-04

High turn-down modulating burner

#27
20170332513
2017-11-16

Heat exchanger

#28
20170102164
2017-04-13

Heat exchange cell and method

#29
20170074546
2017-03-16

Method of manufacturing a set of heat exchange cells and set of heat exchange cells thus obtained

#30
20170010021
2017-01-12

Combination heat exchanger and burner

#31
20160334135
2016-11-17

DOUBLE FIRED U-TUBE FIRED HEATER

#32
20160265808
2016-09-15

Heat exchanger, in particular for a condensation boiler

#33
20160169551
2016-06-16

Solid fuel boiler

#34
20160146541
2016-05-26

Double tubing condensation exchanger for heating water and/or for producing sanitary hot water

#35
20160091263
2016-03-31

Header of heat exchanger and heat exchanger provided with the same

#36
20150362211
2015-12-17

High efficiency boiler

#37
20150292768
2015-10-15

Heat exchanger

#38
20150285560
2015-10-08

Plate heat exchanger plate for a plate heat exchanger and a plate heat exchanger comprising such plates

#39
20150204541
2015-07-23

High turn-down modulating burner

#40
20150176862
2015-06-25

Water heater

#41
20150176861
2015-06-25

Water heater

#42
20150153067
2015-06-04

Door with a built-in burner for a heating appliance

#43
20150007780
2015-01-08

Coil and serpentine bent fin tube condensing heat exchanger

#44
20140190425
2014-07-10

Heat exchanger and water heater

#45
20140144394
2014-05-29

Frac water heating system and method for hydraulically fracturing a well

#46
20140138053
2014-05-22

Heat exchanger

#47
20140124181
2014-05-08

Coil tube heat exchanger for a tankless hot water system

#48
20140124180
2014-05-08

Coil tube heat exchanger for a tankless hot water system

#49
20130228321
2013-09-05

Nested helical fin tube coil and associated manufacturing methods

#50
20130008635
2013-01-10

Heat exchanger

#51
20120312513
2012-12-13

Hot fluid production device including a condensing heat exchanger

#52
20120240869
2012-09-27

Condensing gas appliance and condensate trap therefor

#53
20120210997
2012-08-23

METHOD AND DEVICE FOR GENERATING STEAM AND LOW OXYGEN GAS

#54
20120103968
2012-05-03

Oil water mixture heating apparatus

#55
20120055421
2012-03-08

Sectional Boiler

#56
20120000456
2012-01-05

Door with a built-in burner for a heating appliance

#57
20110155079
2011-06-30

Heat exchanger and water heater incorporating the same

#58
20110067650
2011-03-24

WATER HEATER MODULE HAVING DETACHABLE HEAT EXCHANGER

#59
20110041781
2011-02-24

Coil tube heat exchanger for a tankless hot water system

#60
20110017428
2011-01-27

PLANE TYPE HEAT EXCHANGER

#61
20100170665
2010-07-08

Spiral heat exchanger for producing heating and/or sanitary use hot water, specifically designed for condensation applications

#62
20100044011
2010-02-25

HEATING DEVICE

#63
20090064945
2009-03-12

Heat exchanger, water heater and water tube

#64
20090056647
2009-03-05

Boiler

#65
20080223314
2008-09-18

Condensation heat exchanger including 2 primary bundles and a secondary bundle

#66
20080197205
2008-08-21

Tank-tankless water heater

#67
20080186039
2008-08-07

Heat exchanger with finned tube and method of producing the same

#68
20080185132
2008-08-07

Heat exchanger and methods of producing the same

#69
20080185131
2008-08-07

Heat exchanger and method of producing the same

#70
20070289559
2007-12-20

Heat exchanger, water heater and water tube

#71
20070221143
2007-09-27

Heat exchanger and water heater

#72
20070209606
2007-09-13

Heat exchanger and water heater

#73
20070137538
2007-06-21

Granular biomass burning heating system

#74
20070099134
2007-05-03

Water heater

#75
20070062464
2007-03-22

High efficiency tank type continuous flow and self cleaning water heater

#76
20070042300
2007-02-22

Multiple plate combustor

#77
20070000653
2007-01-04

Heat exchanger, in particular of the condensation type

#78
20060266306
2006-11-30

Condensation heat exchanger with a gas/air heat collector

#79
20060219395
2006-10-05

Condensation heat exchanger

#80
20060196450
2006-09-07

Condensation heat exchanger with plastic casing

#81
20060102106
2006-05-18

Condensing heat exchanger with double bundle of tubes

#82
20060070913
2006-04-06

Process for reducing corrosion in a condensing boiler burning liquid fuel

#83
20060016401
2006-01-26

Water heating chamber system

#84
20050120981
2005-06-09

Finned tube heat exchanger and method