Patents-Review.com
ClassID:

162011 ⎘

F28D21/0007 - CPC Classification

Classification description:

Heat-exchange apparatus not covered by any of the groups  - ; Recuperative heat exchangers the heat being recuperated from exhaust gases for domestic or space-heating systems Water heaters

Recent Application in this class:
#1
20250155162
2025-05-15

WATER HEATER

 #2
20240133586
2024-04-25

COMPACT FLUID HEATING SYSTEM WITH HIGH BULK HEAT FLUX USING ELEVATED HEAT EXCHANGER PRESSURE DROP

 #3
20230132467
2023-05-04

Heat exchanger and water heater

 #4
20220349661
2022-11-03

Tube sheets and tube sheet assemblies

 #5
20220341684
2022-10-27

Condensation Heat Exchanger

 #6
20220260326
2022-08-18

HEAT EXCHANGER BAFFLES AND METHODS FOR MANUFACTURING THE SAME

 #7
20220128308
2022-04-28

Profile for a header of a cooler, a header having such a profile and a cooler having a header

 #8
20220099335
2022-03-31

Diffuser plates and diffuser plate assemblies

 #9
20210262697
2021-08-26

Heat exchanger and water heating device including the same

 #10
20210247102
2021-08-12

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

 #11
20210215392
2021-07-15

Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop

 #12
20210131701
2021-05-06

Heat exchange cell and method

 #13
20200355397
2020-11-12

Heat exchanger for a boiler, and heat-exchanger tube

 #14
20200124357
2020-04-23

Hybrid heating system

 #15
20200080788
2020-03-12

Multi-coil heat exchanger

 #16
20200072557
2020-03-05

Heating device

 #17
20200072504
2020-03-05

Heat exchanger

 #18
20200049426
2020-02-13

Flue Gas Energy Recovery System and Method

 #19
20200033026
2020-01-30

Diffuser plates and diffuser plate assemblies

 #20
20200018561
2020-01-16

Tube sheets and tube sheet assemblies

 #21
20190339014
2019-11-07

Heat exchanger tubes and tube assembly configurations

 #22
20190212065
2019-07-11

Plate for heat exchange arrangement and heat exchange arrangement

 #23
20190195563
2019-06-27

HEAT EXCHANGE DEVICE AND HEAT SOURCE MACHINE

 #24
20190154359
2019-05-23

COMBUSTION HEATING APPARATUS

 #25
20190101297
2019-04-04

HEAT TRANSFER APPARATUS AND HEAT TRANSFER SYSTEM FOR MASONRY HEATER

 #26
20190032957
2019-01-31

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

 #27
20190024981
2019-01-24

Heat exchanger

 #28
20190017753
2019-01-17

Heat exchanger tube

 #29
20190011150
2019-01-10

Heat exchanger

 #30
20190003739
2019-01-03

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

 #31
20180347917
2018-12-06

Tube sheets and tube sheet assemblies

 #32
20180320991
2018-11-08

Diffuser plates and diffuser plates assemblies

 #33
20180292106
2018-10-11

Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop

 #34
20180252478
2018-09-06

Curved plate heat exchanger

 #35
20180245857
2018-08-30

Round plate heat exchanger

 #36
20180245855
2018-08-30

Multi-coil heat exchanger

 #37
20180245817
2018-08-30

Heat exchanger and production method of the heat exchanger

 #38
20180238639
2018-08-23

Heat exchanger

 #39
20180238585
2018-08-23

Heat exchanger

 #40
20180224337
2018-08-09

Heat exchanger

 #41
20180209690
2018-07-26

Heat exchanger

 #42
20180149388
2018-05-31

Exhaust gas latent heat recovery device

 #43
20180142918
2018-05-24

High efficiency fluid heating system exhaust manifold

 #44
20180119989
2018-05-03

HOT WATER APPARATUS

 #45
20180106498
2018-04-19

Heat exchanger and combustion device

 #46
20180094831
2018-04-05

Heat exchanger and heat source device

 #47
20180087806
2018-03-29

Heat exchanger and hot water apparatus

 #48
20180087805
2018-03-29

Hot water apparatus

 #49
20180031273
2018-02-01

Condensing gas water heater, condensing heat exchanger and heat exchanger plate

 #50
20180010863
2018-01-11

Heat exchanger for recovery of waste heat

 #51
20170343304
2017-11-30

Turbulence member and heat exchanger using same, and water heater

 #52
20170332513
2017-11-16

Heat exchanger

 #53
20170321970
2017-11-09

U-bend pipe type heat exchanger

 #54
20170241667
2017-08-24

Heat exchanger

 #55
20170205113
2017-07-20

Fin-and-tube type heat exchanger and water heater including the same

 #56
20170184349
2017-06-29

Heat exchanger and hot water apparatus

 #57
20170167751
2017-06-15

Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop

 #58
20170102164
2017-04-13

Heat exchange cell and method

 #59
20170059205
2017-03-02

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

 #60
20170010021
2017-01-12

Combination heat exchanger and burner

 #61
20160377349
2016-12-29

Heat exchanger, method for forming thereof and use thereof

 #62
20160370123
2016-12-22

Energy storage system

 #63
20160341447
2016-11-24

PREHEATER SYSTEM FOR WATER HEATER INPUT WATER

 #64
20160265793
2016-09-15

Heat transfer apparatus and heat transfer system for masonry heater

 #65
20160195337
2016-07-07

Heat exchanger having arcuately and linearly arranged heat exchange tubes

 #66
20160116228
2016-04-28

Water heater having secondary heat exchanger

 #67
20160091263
2016-03-31

Header of heat exchanger and heat exchanger provided with the same

 #68
20150308756
2015-10-29

Fin-tube type heat exchanger

 #69
20150285560
2015-10-08

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

 #70
20150241130
2015-08-27

Condensation heat exchanger having dummy pipe

 #71
20150198384
2015-07-16

Domestic boiler preheater

 #72
20150176912
2015-06-25

Heat exchanger and production method thereof

 #73
20150027667
2015-01-29

Condensing heat recovery unit for a portable fluid heater

 #74
20130014530
2013-01-17

HEAT RECOVERY SYSTEM

 #75
20120192812
2012-08-02

WATER HEATER WITH COUNTER-TWISTED BAFFLE

 #76
20120073792
2012-03-29

APPARATUS FOR RECLAIMING WASTE HEAT FROM A HEATING DEVICE FLUE PIPE

 #77
20110303400
2011-12-15

COUNTERFLOW HEAT EXCHANGER

 #78
20110094715
2011-04-28

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

 #79
20100126432
2010-05-27

Heat recovery device

 #80
20100089552
2010-04-15

HEAT ENERGY RECOVERY SYSTEM

 #81
20090277618
2009-11-12

CONDENSATE HEAT EXCHANGER

 #82
20090159066
2009-06-25

Heat reclaimer device

 #83
20090120616
2009-05-14

Energy re-claimer

 #84
20090020281
2009-01-22

Cogeneration system

 #85
20080282996
2008-11-20

Reverse-flow condensing economizer and heat recovery method

 #86
20080197205
2008-08-21

Tank-tankless water heater

 #87
20080149301
2008-06-26

Reducing cost of heating and air-conditioning

 #88
20070295826
2007-12-27

System for delivering warmed fluids

 #89
20070158048
2007-07-12

External flue heat exchangers

 #90
20060201662
2006-09-14

Baffle for sealed combustion chamber

 #91
20060144347
2006-07-06

Heat exchanger suitable for a boiler, and a boiler including such a heat exchanger

 #92
20050279343
2005-12-22

Heat source for radiant heating system

 #93
20050133202
2005-06-23

Heat exchanger, combination with heat exchanger and method of manufacturing the heat exchanger