ClassID:

161892

F28D7/022 - CPC Classification

Classification description:

Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of two or more media in heat-exchange relationship being helically coiled, the coils having a cylindrical configuration

Recent Application in this class:
#1
20250362056
2025-11-27

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

#2
20250164191
2025-05-22

POLYMERIC TUBE-IN-SHELL HEAT EXCHANGER WITH TWISTED TUBES

#3
20250146758
2025-05-08

Arrangement of Helical Tubes for Efficient Packing and Apparatus Implementing the Same

#4
20240295363
2024-09-05

Heat transfer device with nested layers of helical fluid channels

#5
20230288143
2023-09-14

HEAT EXCHANGER CHANNELS

#6
20230213290
2023-07-06

Duct heat exchanger

#7
20230204296
2023-06-29

SINUSOIDAL CORRUGATED TUBE-TYPE SPIRAL WOUNDED HEAT EXCHANGER SUITABLE FOR FLNG

#8
20230110296
2023-04-13

POLYMERIC TUBE-IN-SHELL HEAT EXCHANGER WITH TWISTED TUBES

#9
20230077459
2023-03-16

Spiral tube heat exchanger

#10
20230015392
2023-01-19

Heat transfer device with nested layers of helical fluid channels

#11
20220341672
2022-10-27

Heat exchanging apparatus

#12
20220325958
2022-10-13

Helically coiled heat exchange array

#13
20220299263
2022-09-22

Heat exchange system and method of assembly

#14
20220196331
2022-06-23

WEB DESIGN AND ARRANGEMENT FOR REDUCING A RADIAL DISTRIBUTION FAULT IN A WOUND HEAT EXCHANGER

#15
20220128309
2022-04-28

Fluid routing methods for a spiral heat exchanger with lattice cross section made via additive manufacturing

#16
20220034594
2022-02-03

Intertwined coil heat exchanger

#17
20210372706
2021-12-02

HEAT EXCHANGER CHANNELS

#18
20210333050
2021-10-28

Heat exchange system and method of assembly

#19
20210231379
2021-07-29

Helical fractal heat exchanger

#20
20210231378
2021-07-29

Radial configuration for heat exchanger core

#21
20210207534
2021-07-08

Gas turbine engine heat exchanger for annular flowpaths

#22
20210199390
2021-07-01

Method and Adjustment System for Controlling the Recovery of Heat Energy from Wastewater Flowing in a Spiral Pipe Present Inside a Container

#23
20210199389
2021-07-01

Container for recovering the heat energy of wastewater

#24
20210190419
2021-06-24

Heat exchange system and method of assembly

#25
20200315071
2020-10-01

Heat exchanger

#26
20200224978
2020-07-16

Duct heat exchanger

#27
20200080788
2020-03-12

Multi-coil heat exchanger

#28
20200064075
2020-02-27

Counter-flow heat exchanger with helical passages

#29
20190137113
2019-05-09

Solar hot water and recovery system

#30
20190120558
2019-04-25

Thermal acclimator and heat exchanger

#31
20190063842
2019-02-28

Fluid routing methods for a spiral heat exchanger with lattice cross section made via additive manufacturing

#32
20190024942
2019-01-24

Condensation heat exchanger provided with a heat exchange device

#33
20190011190
2019-01-10

Counterflow helical heat exchanger

#34
20190011189
2019-01-10

Counterflow helical heat exchanger

#35
20180320979
2018-11-08

REFRIGERANT TO WATER HEAT EXCHANGER

#36
20180283796
2018-10-04

COUNTER SPIRAL TUBE AND SHELL HEAT EXCHANGER

#37
20180245855
2018-08-30

Multi-coil heat exchanger

#38
20180202722
2018-07-19

Heat transfer device incorporating a helical flow element within a fluid conduit

#39
20180195807
2018-07-12

HEAT EXCHANGE ARRAY

#40
20180187980
2018-07-05

Heat recovery apparatus and method

#41
20170332513
2017-11-16

Heat exchanger

#42
20170299280
2017-10-19

Tri-piece thermal energy body heat exchanger having multi-layer pipeline and transferring heat to exterior through outer periphery of pipeline

#43
20170292791
2017-10-12

Spiral tube heat exchanger

#44
20170292790
2017-10-12

Heat exchange conduit and heat exchanger

#45
20170227293
2017-08-10

Counter spiral tube and shell heat exchanger

#46
20170205146
2017-07-20

Heat exchanger channels

#47
20170191762
2017-07-06

Heat exchanger for cooling medium temperature reduction

#48
20170030651
2017-02-02

Counter-flow heat exchanger with helical passages

#49
20160348988
2016-12-01

Corrosion resistant coaxial heat exchanger assembly

#50
20160153719
2016-06-02

HEAT EXCHANGE COMPONENT

#51
20160146541
2016-05-26

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

#52
20160010877
2016-01-14

Solar hot water and recovery system

#53
20150330714
2015-11-19

Spiral or helical counterflow heat exchanger

#54
20150136368
2015-05-21

Heat exchanger

#55
20150013353
2015-01-15

Compressor-heat exchanger unit for a heating-cooling module for a motor vehicle

#56
20140318752
2014-10-30

Refrigerant to water heat exchanger

#57
20140096933
2014-04-10

Reactive solid/heat-transport gas reactor including a helical duct in which the solid and the gas flow in opposite directions

#58
20140083667
2014-03-27

Tri-piece thermal energy body heat exchanger having multi-layer pipeline and transferring heat to exterior through outer periphery of pipeline

#59
20120312514
2012-12-13

Dense twisted bundle heat exchanger

#60
20120295001
2012-11-22

APPARATUS FOR PREPARING A BEVERAGE FROM STERILIZED WATER AND AN INSTANT PRODUCT

#61
20120261102
2012-10-18

Thermosyphon heat recovery

#62
20120125321
2012-05-24

Solar hot water and recovery system

#63
20110226447
2011-09-22

Chemical heat accumulator

#64
20110226341
2011-09-22

DEVICE AND METHOD FOR REUSING GREYWATER

#65
20110203786
2011-08-25

Waste Water Heat Transfer System

#66
20110197610
2011-08-18

Air Conditioner and Pool Heater Dual System

#67
20110104350
2011-05-05

METHOD AND DEVICE FOR HEAT-TREATING LIQUID FOODS

#68
20110061846
2011-03-17

Method of producing a very light weight finned tube heat exchanger

#69
20110041536
2011-02-24

Heat exchange system

#70
20110011069
2011-01-20

Cogeneration apparatus

#71
20100139579
2010-06-10

Water heater special for bathroom

#72
20100126213
2010-05-27

Liquid-Vapor Separating Method and a Liquid-Vapor Separating Type Evaporator

#73
20100018246
2010-01-28

Internal heat exchanger assembly

#74
20090301695
2009-12-10

CONTROL HEAT EXCHANGER

#75
20090159248
2009-06-25

Heat exchanger, heat exchanger tube and methods of making and using same

#76
20090151574
2009-06-18

Apparatus for preparing a beverage from water-cooled sterilized water and an instant product

#77
20090071639
2009-03-19

HEAT EXCHANGER

#78
20090032224
2009-02-05

HEAT EXCHANGER

#79
20080264617
2008-10-30

Heat exchanger

#80
20080245098
2008-10-09

Refrigerant cycle device

#81
20080185131
2008-08-07

Heat exchanger and method of producing the same

#82
20080149317
2008-06-26

Heat exchanger

#83
20080047698
2008-02-28

ADVANCED GRAVITY-FILM & DOUBLE-HELIX HEAT EXCHANGERS ("GFX+™ & "DHX™")

#84
20070119578
2007-05-31

Hot water supply heat exchanger

#85
20060159154
2006-07-20

Heating and warm water supply unit and method for operating the same

#86
20060016586
2006-01-26

Heat exchanger with pipe coils and helical spreader ribs

#87
20050269067
2005-12-08

Heat exchanger and temperature control unit

#88
20050139349
2005-06-30

Multi-wall heat exchanger for a water heater

#89
20050139173
2005-06-30

Multi-wall heat exchanger for a water heater

#90
20050103484
2005-05-19

Heat exchanger

#91
20050103482
2005-05-19

Multi-tube in spiral heat exchanger