ClassID:

158695

F24H8/00 - CPC Classification

Classification description:

Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation

Sub-classes:
Recent Application in this class:
#1
20260063329
2026-03-05

Pre-Warmed Potable Water System and Method for Aircraft Galley Appliance Water Heater

#2
20250347441
2025-11-13

CONDENSING BOILER FOR USE WITH NON-CONDENSING STACKS

#3
20250224143
2025-07-10

SINGLE PASS HIGH-EFFICIENCY CONDENSING WATER HEATER

#4
20240344738
2024-10-17

HEAT EXCHANGER UNIT AND METHOD FOR MANUFACTURING THE SAME

#5
20240183578
2024-06-06

WATER TANK ASSEMBLY FOR HEATING DEVICE, AND HEATING DEVICE

#6
20230194179
2023-06-22

HEAT EXCHANGER WITH TUBE BUNDLE COMPRISING AT LEAST TWO SECTIONS

#7
20230111255
2023-04-13

Heat exchanger

#8
20220404066
2022-12-22

PROCESS AND APPARATUS FOR COMBUSTING HYDROGEN

#9
20220381476
2022-12-01

A HEAT EXCHANGER COLLECTOR CONFIGURATION

#10
20220260273
2022-08-18

Systems and methods for intelligently controlling a hybrid cascade boiler system

#11
20220178554
2022-06-09

Air heating apparatus

#12
20220178553
2022-06-09

AIR HEATING APPARATUS

#13
20220154976
2022-05-19

Combustion gas permeable condensation trays for water heating systems

#14
20220154974
2022-05-19

METHOD AND ARRANGEMENT

#15
20220065486
2022-03-03

Systems and methods for intelligently controlling a hybrid cascade boiler system

#16
20210325087
2021-10-21

Systems and methods for preventing short cycling in high-efficiency water heaters

#17
20210247102
2021-08-12

Heat-exchange pipe, heat-exchanger unit using same, and condensing boiler using same

#18
20210247100
2021-08-12

WATER HEATER

#19
20210199340
2021-07-01

Heat exchanger unit and method for manufacturing the same

#20
20210156592
2021-05-27

HIGH-EFFICIENCY CONDENSING WATER HEATER

#21
20210131701
2021-05-06

Heat exchange cell and method

#22
20210033306
2021-02-04

Condensate water trap for gas furnace

#23
20200386441
2020-12-10

HEAT EXCHANGER

#24
20200355397
2020-11-12

Heat exchanger for a boiler, and heat-exchanger tube

#25
20200316655
2020-10-08

APPARATUS FOR HEATING LIQUID

#26
20200309385
2020-10-01

Self-powered water heater

#27
20200271329
2020-08-27

SYSTEMS AND METHODS FOR IMPLEMENTING AN ADVANCED ENERGY EFFICIENT BOILER CONTROL SCHEME

#28
20200200437
2020-06-25

PREMIX GAS BURNER

#29
20200191436
2020-06-18

Heat source device

#30
20200182511
2020-06-11

Premix gas burner

#31
20200124293
2020-04-23

Heat pump boiler

#32
20200072504
2020-03-05

Heat exchanger

#33
20200064020
2020-02-27

Heat exchanging unit, heat exchanging apparatus, and hot water supply system

#34
20190316774
2019-10-17

Method for driving a valve for regulating the flow rate of fuel gas towards a burner, in particular for condensation boilers having high power modulation

#35
20190316770
2019-10-17

Fire tube

#36
20190285315
2019-09-19

Condensation reduction in water heaters

#37
20190271488
2019-09-05

Condensing boiler employing evaporation device

#38
20190242620
2019-08-08

Dual input water heater

#39
20190242576
2019-08-08

FLUE GAS TREATMENT SYSTEM AND METHOD

#40
20190226719
2019-07-25

Heat exchange device and heat source machine

#41
20190195563
2019-06-27

HEAT EXCHANGE DEVICE AND HEAT SOURCE MACHINE

#42
20190154359
2019-05-23

COMBUSTION HEATING APPARATUS

#43
20190071959
2019-03-07

Producing pressurized and heated fluids using a fuel cell

#44
20190049148
2019-02-14

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

#45
20190032957
2019-01-31

Hot water appliance, flue gas discharge therefor and method for heating a fluid

#46
20190024942
2019-01-24

Condensation heat exchanger provided with a heat exchange device

#47
20190011150
2019-01-10

Heat exchanger

#48
20190003739
2019-01-03

Heat exchanger tube, heat exchange unit, heat exchange apparatus, hot water supply system, and method of manufacturing heat exchanger tube

#49
20180320929
2018-11-08

System and method for furnace fluid flow management

#50
20180320494
2018-11-08

Method of producing heavy oil using a fuel cell

#51
20180313577
2018-11-01

Water heater

#52
20180292110
2018-10-11

High-efficiency condensing water heater

#53
20180245816
2018-08-30

Forced air supply type of combustion apparatus

#54
20180245800
2018-08-30

METHOD AND APPARATUS FOR UTILIZATION OF HOT WATER PLANT WASTE HEAT RECOVERY BY INCORPORATED HIGH TEMPERATURE WATER SOURCE HEAT PUMP

#55
20180238639
2018-08-23

Heat exchanger

#56
20180238585
2018-08-23

Heat exchanger

#57
20180231274
2018-08-16

Heat exchanger

#58
20180224156
2018-08-09

Condensing water heater and condensation control system

#59
20180224155
2018-08-09

Heat exchanger

#60
20180216848
2018-08-02

Heat exchanger

#61
20180216847
2018-08-02

Heat exchanger

#62
20180209690
2018-07-26

Heat exchanger

#63
20180187384
2018-07-05

Cold in-place recycling with in-line heater for asphalt cement

#64
20180180324
2018-06-28

Fan and water heater provided with the same, and impeller and water heater provided with the same

#65
20180172314
2018-06-21

Fan and water heater provided with the same, and impeller and water heater provided with the same

#66
20180164046
2018-06-14

Heat exchanger, hot water apparatus, and method of manufacturing heat exchanger

#67
20180106498
2018-04-19

Heat exchanger and combustion device

#68
20180094832
2018-04-05

Boiler system

#69
20180094831
2018-04-05

Heat exchanger and heat source device

#70
20180087806
2018-03-29

Heat exchanger and hot water apparatus

#71
20180085796
2018-03-29

Device for cleaning, especially the pipes of the drinking water circuit of an aircraft

#72
20180066854
2018-03-08

Boiler integrated control with non-linear outdoor reset methodology

#73
20180031276
2018-02-01

Condensing boiler

#74
20170343213
2017-11-30

Exhaust duct

#75
20170321970
2017-11-09

U-bend pipe type heat exchanger

#76
20170321928
2017-11-09

Dielectrically insulated secondary flue for gas-fired water heater

#77
20170261230
2017-09-14

Method and apparatus for collecting waste heat of exhaust gas and reducing white smoke

#78
20170234550
2017-08-17

Combined hot water and air heating and conditioning system including heat pump

#79
20170211845
2017-07-27

DEVICE FOR DISPENSING A HEATED FLUID

#80
20170167735
2017-06-15

System and method of controlling condensing and non-condensing boiler firing rates

#81
20170138300
2017-05-18

Heat medium circulation structure and hot water temperature control method for micro combined heat and power generator

#82
20170130960
2017-05-11

Exhaust adapter, exhaust structure for water heater, and method for installing exhaust adapter

#83
20170102164
2017-04-13

Heat exchange cell and method

#84
20170087672
2017-03-30

Liner fabrication tool

#85
20170082319
2017-03-23

HYDRONIC SPACE HEATING SYSTEM HAVING TWO STAGE HEAT PUMP BUFFER TANK

#86
20170074546
2017-03-16

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

#87
20170059205
2017-03-02

Latent-heat exchanger for hot-water heating and condensing gas boiler including same

#88
20170059203
2017-03-02

Heat exchanger

#89
20170059201
2017-03-02

HEAT EXCHANGER AND MANUFACTURING METHOD FOR UNIT PLATE CONSTITUTING HEAT EXCHANGER

#90
20170030664
2017-02-02

HOT WATER SUPPLY DEVICE

#91
20170023276
2017-01-26

Heat exchanger tube and heating boiler having such a heat exchanger tube

#92
20170002731
2017-01-05

System and modality to generate power from liquid jet in heat engine and more

#93
20160377320
2016-12-29

Heat exchanger for condensing gas boiler

#94
20160377319
2016-12-29

Heat exchanger

#95
20160313028
2016-10-27

THERMOSTATIC CONDENSING GAS WATER HEATER AND CONTROL METHOD THEREFOR

#96
20160313027
2016-10-27

Water heater

#97
20160298874
2016-10-13

Plate heat exchanger, in particular for condensing boilers

#98
20160236247
2016-08-18

Device for cleaning pipes of the drinking water circuit of an aircraft

#99
20160221044
2016-08-04

High efficiency hot water pressure washer

#100
20160216004
2016-07-28

HIGH EFFICIENCY, HIGH TURNDOWN FURNACE SYSTEM

#101
20160146541
2016-05-26

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

#102
20160146500
2016-05-26

Exchanger for heating boilers

#103
20160138827
2016-05-19

Condensing water heater with dielectrically insulated secondary flue

#104
20160131395
2016-05-12

Furnace cabinet with three baffles

#105
20160091263
2016-03-31

Header of heat exchanger and heat exchanger provided with the same

#106
20160082811
2016-03-24

Heat exchanger arrangement, especially for a fuel-operated vehicle heater

#107
20160010892
2016-01-14

Water heater

#108
20150377512
2015-12-31

HVAC systems and methods with improved heat exchangers

#109
20150369495
2015-12-24

Ultra-low NOburner

#110
20150300661
2015-10-22

Hot water-centered combined hot water and heating boiler

#111
20150292768
2015-10-15

Heat exchanger

#112
20150241130
2015-08-27

Condensation heat exchanger having dummy pipe

#113
20150241088
2015-08-27

Fan and water heater provided with the same, and impeller and water heater provided with the same

#114
20150241087
2015-08-27

Gas-fired water heater with separable heat exchanger or detachably connected external water heater

#115
20150241086
2015-08-27

Water heater

#116
20150204579
2015-07-23

HEAT EXCHANGER FOR USE IN A CONDENSING GAS-FIRED HVAC APPLIANCE

#117
20150198384
2015-07-16

Domestic boiler preheater

#118
20150184888
2015-07-02

Dual-ring and straight fin tube condensing

#119
20150121935
2015-05-07

Heat exchanger

#120
20150107537
2015-04-23

Recovery system of waste heat from flue gas

#121
20150090201
2015-04-02

Condensing heat exchanger and boiler/water heater including the same

#122
20150059732
2015-03-05

Thermostatic condensing gas water heater and control method therefor

#123
20150056903
2015-02-26

Exhaust adapter, exhaust structure for water heater, and method for installing exhaust adapter

#124
20150027667
2015-01-29

Condensing heat recovery unit for a portable fluid heater

#125
20150007780
2015-01-08

Coil and serpentine bent fin tube condensing heat exchanger

#126
20150007779
2015-01-08

SPIRAL FINNED COIL CONDENSING HEAT EXCHANGER

#127
20140352930
2014-12-04

System and method for furnace fluid flow management

#128
20140217191
2014-08-07

Vapor vacuum condensing boiler designs

#129
20140202442
2014-07-24

Condensing heat exchanger fins with enhanced airflow

#130
20140174382
2014-06-26

Water heater including heat exchanger

#131
20140069625
2014-03-13

Method and equipment for heat recovery

#132
20140060458
2014-03-06

LATENT HEAT RECOVERY TYPE WATER HEATER

#133
20140034038
2014-02-06

Furnace header

#134
20140033994
2014-02-06

CONDENSING GAS WATER HEATER

#135
20130291809
2013-11-07

Domestic combined heat and power system

#136
20130228318
2013-09-05

HEAT EXCHANGER

#137
20130152834
2013-06-20

Heat exchanger

#138
20130118719
2013-05-16

Dual-chamber heat exchanger

#139
20130112384
2013-05-09

Heat exchanger

#140
20130112155
2013-05-09

Water heater and method of operating

#141
20130099014
2013-04-25

System and method of controlling condensing and non-condensing boiler firing rates

#142
20130042823
2013-02-21

Heat exchanger including waste heat recovery

#143
20130025546
2013-01-31

Combustion apparatus

#144
20130019816
2013-01-24

FUEL-FIRED WATER HEATER WITH AIR DRAFT INDUCER AND FLUE HEAT EXCHANGER

#145
20130014740
2013-01-17

Heat exchanger for a high efficiency hot air heating appliance and heating appliance equipped therewith

#146
20120312513
2012-12-13

Hot fluid production device including a condensing heat exchanger

#147
20120272928
2012-11-01

Exhaust adapter and combustion apparatus having the same

#148
20120247734
2012-10-04

Elongated counter-flow heat exchanger for heat recovery

#149
20120240869
2012-09-27

Condensing gas appliance and condensate trap therefor

#150
20120222631
2012-09-06

Gas-fired water heater with separable heat exchanger or detachably connected external water heater

#151
20120210997
2012-08-23

METHOD AND DEVICE FOR GENERATING STEAM AND LOW OXYGEN GAS

#152
20120192849
2012-08-02

FURNACE WITH PRIMARY AND SECONDARY HEAT EXCHANGERS

#153
20120138278
2012-06-07

Heat exchanger

#154
20120125311
2012-05-24

PREMIX AIR HEATER

#155
20120125269
2012-05-24

HEATER

#156
20120090560
2012-04-19

Water heater and control method therefor

#157
20120090341
2012-04-19

Water heater and control method therefor

#158
20120088200
2012-04-12

FURNACE HEAT EXCHANGER

#159
20120085522
2012-04-12

Heat Exchanger System

#160
20120085521
2012-04-12

Furnace heat exchanger attachment

#161
20120085514
2012-04-12

Furnace heat exchanger coupling

#162
20120080172
2012-04-05

Heat exchanger

#163
20120080023
2012-04-05

Method and system for controlling an inducer in a modulating furnace

#164
20120055421
2012-03-08

Sectional Boiler

#165
20120055420
2012-03-08

SECTIONAL BOILER

#166
20120048521
2012-03-01

Condensing Gas Package Unit for Roof or Ground Installation, Collector, and Condensate Drain Apparatus

#167
20120048257
2012-03-01

Condensing Gas Package Unit Configured to Drain Condensate Through Inducer Fan and Method of Reducing Fuel Consumption

#168
20120037096
2012-02-16

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

#169
20110309155
2011-12-22

Thermos at algorithm for fully modulating furnaces

#170
20110303400
2011-12-15

COUNTERFLOW HEAT EXCHANGER

#171
20110303164
2011-12-15

Integrated contact condensing water heater

#172
20110296838
2011-12-08

HEAT SOURCE MACHINE

#173
20110277974
2011-11-17

Condensing Heat Exchanger for Gas Furnaces

#174
20110185987
2011-08-04

Cast iron or aluminum sectional boiler

#175
20110174301
2011-07-21

Primary heat exchanger design for condensing gas furnace

#176
20110155079
2011-06-30

Heat exchanger and water heater incorporating the same

#177
20110114300
2011-05-19

HEAT EXCHANGER OF UPWARD COMBUSTION TYPE CONDENSING BOILER

#178
20110094715
2011-04-28

METHOD FOR ANODIZING METALLIC ALLOYS, PARTICULARLY FOR HEAT EXCHANGERS MADE OF ALUMINUM ALLOYS AND THE LIKE FOR CONDENSING BOILERS

#179
20110073669
2011-03-31

APPARATUS AND METHOD FOR ENERGY RECOVERY

#180
20110073052
2011-03-31

FIRE TUBE CONDENSING BOILER FOR GENERATING HOT WATER

#181
20110017433
2011-01-27

HEAT EXCHANGER FOR A HEATING DEVICE

#182
20100313827
2010-12-16

High-Efficiency Gas-Fired Forced-Draft Condensing Hot Water Boiler

#183
20100282440
2010-11-11

Fluid Heater

#184
20100281899
2010-11-11

Gas-fired heat pump water heater

#185
20100221675
2010-09-02

CONDENSING BOILER AND WATER HEATER

#186
20100187320
2010-07-29

METHODS AND SYSTEMS FOR RECOVERING AND REDISTRIBUTING HEAT

#187
20100116226
2010-05-13

BOILER WITH A COMBUSTION HEAD COOLING SYSTEM

#188
20100116225
2010-05-13

Integrated dual chamber burner

#189
20100101755
2010-04-29

Heat exchanger for a boiler

#190
20100043728
2010-02-25

Water heater

#191
20100031820
2010-02-11

Apparatus and method for energy recovery

#192
20090288813
2009-11-26

Structure of heat exchange apparatus for gas boiler

#193
20090277618
2009-11-12

CONDENSATE HEAT EXCHANGER

#194
20090235875
2009-09-24

Condensation draining system for condensing water heaters

#195
20090223655
2009-09-10

Heat exchanger particularly for thermal generators

#196
20090188447
2009-07-30

Condensing Side-Arm Water Heater

#197
20090151653
2009-06-18

Water heater with condensing flue

#198
20090133861
2009-05-28

Heat exchanger of condensing boiler for heating and hot-water supply

#199
20090133642
2009-05-28

Latent heat recovery-type water heater

#200
20090120616
2009-05-14

Energy re-claimer

#201
20090090310
2009-04-09

Heating system

#202
20090050296
2009-02-26

Heat exchange apparatus, particularly fire tube condensing boiler

#203
20090050077
2009-02-26

Mutually convertible boiler between normal type and condensing type

#204
20080314378
2008-12-25

Heat exchanger

#205
20080251034
2008-10-16

Forward combustion type condensing gas water heater

#206
20080223314
2008-09-18

Condensation heat exchanger including 2 primary bundles and a secondary bundle

#207
20080110601
2008-05-15

Boiler Condensation Module

#208
20080099185
2008-05-01

Method and Equipment for Heat Recovery

#209
20080061160
2008-03-13

Heating apparatus

#210
20080006226
2008-01-10

Water heater

#211
20070289559
2007-12-20

Heat exchanger, water heater and water tube

#212
20070256647
2007-11-08

Gas water heater

#213
20070245981
2007-10-25

Water heater and method of operating the same

#214
20070221143
2007-09-27

Heat exchanger and water heater

#215
20070209606
2007-09-13

Heat exchanger and water heater

#216
20070181081
2007-08-09

High efficiency, wet-base, downfired multi-pass water heater

#217
20070119389
2007-05-31

Oil boiler edge

#218
20070099134
2007-05-03

Water heater

#219
20070062464
2007-03-22

High efficiency tank type continuous flow and self cleaning water heater

#220
20070062463
2007-03-22

Fuel-fired dual tank water heater having dual pass condensing type heat exchanger

#221
20070051359
2007-03-08

Looped system fuel-fired fluid heating/storage device

#222
20070051358
2007-03-08

Single pass fuel-fired fluid heating/storage device

#223
20070000653
2007-01-04

Heat exchanger, in particular of the condensation type

#224
20060266306
2006-11-30

Condensation heat exchanger with a gas/air heat collector

#225
20060231086
2006-10-19

Distribution tee assembly

#226
20060219395
2006-10-05

Condensation heat exchanger

#227
20050274328
2005-12-15

Water heater with continuously variable air and fuel input

#228
20050229871
2005-10-20

Heating system and boiler therefor

#229
20050092316
2005-05-05

Hot air furnace

#230
20050072560
2005-04-07

Method of making a condensing heat exchanger by direct extrusion coating of afilm

#231
20050039703
2005-02-24

Condensing gas boiler having structure of preventing corrosion caused by using heterogeneous metal

#232
17023542
2021-11-23

Combustion gas permeable condensation trays for water heating systems

#233
13872100
2016-03-01

Hollow draft inducers (draft inducers or hollow inducers)