ClassID:

161904

F28D7/106 - 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 arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits

Recent Application in this class:
#1
20250327625
2025-10-23

CONCENTRIC TUBE HEAT CARRY-AWAY DEVICE

#2
20250290432
2025-09-18

TURBOMACHINE COMPRISING A HEAT EXCHANGER BETWEEN A FUEL CIRCUIT AND TWO LUBRICANT CIRCUITS

#3
20250264282
2025-08-21

INTEGRATED SUPPLY AND RETURN MANIFOLD FOR TUBE-IN-TUBE HEAT TRANSFER

#4
20250257908
2025-08-14

HEAT UTILIZATION SYSTEM AND HEAT GENERATING DEVICE

#5
20250180308
2025-06-05

ENERGY HANDLING SYSTEM

#6
20250116467
2025-04-10

Counterflow Rotary Cooler

#7
20250003687
2025-01-02

HEAT EXCHANGER

#8
20240384937
2024-11-21

Apparatus and method for heating process media in a fiber molding process

#9
20240361079
2024-10-31

COAXIAL TUBE ARRANGEMENT

#10
20240316684
2024-09-26

METHOD FOR CONNECTING FERRITIC WITH AUSTENITIC STEEL PIPES

#11
20240246057
2024-07-25

METHOD OF MANUFACTURING BIO-DIESEL AND REACTOR

#12
20240175641
2024-05-30

DEVICE AND METHOD FOR CONTROLLING THE TEMPERATURE OF AN ITEM TO BE TEMPERATURE CONTROLLED

#13
20240151311
2024-05-09

BUTTERFLY VALVE AND HEAT EXHANGER

#14
20240116018
2024-04-11

METHOD OF MANUFACTURING BIO-DIESEL AND REACTOR

#15
20240052956
2024-02-15

CONNECTION ELEMENT

#16
20230341188
2023-10-26

DOUBLE-TUBE HEAT EXCHANGER AND MANUFACTURING METHOD THEREFOR

#17
20230314047
2023-10-05

GROUNDWATER HEAT EXCHANGER

#18
20230292981
2023-09-21

Dish washing machine with heat exchangers

#19
20230204257
2023-06-29

DUAL MASS COOLING PRECISION SYSTEM

#20
20230126444
2023-04-27

HEAT EXCHANGER

#21
20230094752
2023-03-30

Conduits for cooling a hydrocarbon gas-containing stream and processes for using same

#22
20230064641
2023-03-02

Coaxial tube arrangement

#23
20230013985
2023-01-19

Eddy fluid heat exchange device

#24
20230003456
2023-01-05

Double pipe for heat exchanger

#25
20220390180
2022-12-08

Heat exchange member, heat exchanger using heat exchange member, and method of manufacturing heat exchange member

#26
20220349659
2022-11-03

Concentrically heated inlet tube for gas scrubbing apparatus

#27
20220341431
2022-10-27

Fluid heat exchanger with pump

#28
20220290925
2022-09-15

Heat-transferring double pipe, inner pipe for heat-transferring double pipe, and manufacturing method thereof

#29
20220276010
2022-09-01

HEAT EXCHANGER APPARATUS FOR THE REMOVAL OF HEAT FROM ELECTRONIC COMPONENTS

#30
20220275740
2022-09-01

Heat exchange member, heat exchanger and heat conductive member

#31
20220274084
2022-09-01

Method of manufacturing bio-diesel and reactor

#32
20220260318
2022-08-18

Pressure vessel with barrier layer

#33
20220252353
2022-08-11

Heat exchange member, heat exchanger and heat conductive member

#34
20220243987
2022-08-04

Heat exchanger and associated method of assembly

#35
20220163266
2022-05-26

Flexible lines for air conditioners used in enclosure cooling

#36
20220082295
2022-03-17

Air to air cross flow heat and moisture exchanger

#37
20220026113
2022-01-27

Heat utilization system and heat generating device

#38
20220011050
2022-01-13

Double tube for heat-exchange

#39
20220011049
2022-01-13

Heat exchanger and system for cooling a fluid comprising such a heat exchanger

#40
20210381774
2021-12-09

Junctions for double-walled tubes in heat exchangers and exchangers with such junctions

#41
20210310743
2021-10-07

REACTION TUBE/MIXING TUBE/HEAT EXCHANGE TUBE AND REACTOR/MIXER/HEAT EXCHANGER COMPRISING THE SAME

#42
20210308649
2021-10-07

Method of manufacturing bio-diesel and reactor

#43
20210231380
2021-07-29

Pressure vessel with barrier passage containing fire suppressant elements

#44
20210231378
2021-07-29

Radial configuration for heat exchanger core

#45
20210222966
2021-07-22

Heat exchangers

#46
20210215429
2021-07-15

Sealed connection of a connector to a coaxial tubular heat exchanger

#47
20210164739
2021-06-03

Heat exchangers

#48
20210148659
2021-05-20

Shell-and-tube equipment with bypass

#49
20210140714
2021-05-13

Double-tube heat exchanger and manufacturing method thereof

#50
20210108862
2021-04-15

Double tube with petal shape and method of manufacturing the same

#51
20210102757
2021-04-08

Pressure vessel with barrier layer

#52
20210102652
2021-04-08

DOUBLE PIPE

#53
20210095929
2021-04-01

RECIRCULATION FLOW-LOOP BATCH REACTOR WITH EXTERNAL HEAT EXCHANGER

#54
20210031165
2021-02-04

Method of manufacturing bio-diesel and reactor

#55
20210000132
2021-01-07

Heat exchanger and method of making thereof

#56
20200386483
2020-12-10

Double-pipe heat exchanger including integrated connector

#57
20200363140
2020-11-19

Heat recovery unit for gray water

#58
20200300559
2020-09-24

Gas-gas high-temperature heat exchanger

#59
20200284520
2020-09-10

Double tube for heat exchange

#60
20200263561
2020-08-20

Air-oil heat exchanger

#61
20200236821
2020-07-23

Dual mass cooling precision system

#62
20200236820
2020-07-23

Dual mass cooling precision system

#63
20200224975
2020-07-16

Heat exchanger

#64
20200200481
2020-06-25

Three-way heat exchanger system for auxiliary power unit

#65
20200182561
2020-06-11

CORRUGATED TUBE-IN-TUBE HEAT EXCHANGERS

#66
20200166281
2020-05-28

Double pipe and method for manufacturing same

#67
20200132384
2020-04-30

System of double concentric pipes having different enthalpy

#68
20200123278
2020-04-23

Unified cooling for multiple polyolefin polymerization reactors

#69
20200116439
2020-04-16

Fluid heat exchanger and energy recycling device

#70
20200103173
2020-04-02

Heat exchanger for quenching reaction gas

#71
20200080789
2020-03-12

Shell and tube heat exchanger with perforated fins interconnecting the tubes

#72
20200049411
2020-02-13

Heat exchanger

#73
20200030711
2020-01-30

Multilayer thin film evaporator for steam heating

#74
20200018663
2020-01-16

Methods and Apparatus for Leak Testing

#75
20190368728
2019-12-05

Furnace with integrated heat recovery utilizing radiative recuperator for preheating combustion reactants using heat from flue gas

#76
20190353428
2019-11-21

ANNULAR HEAT EXCHANGER

#77
20190353427
2019-11-21

DOUBLE-TUBE INTERNAL HEAT EXCHANGER

#78
20190346210
2019-11-14

Cylindrical heat exchanger

#79
20190330508
2019-10-31

COMPOSITION AND METHODS FOR COAXIAL DEVICES INCLUDING A PHASE CHANGE MATERIAL

#80
20190316553
2019-10-17

Diesel power generation system using biofuel

#81
20190242650
2019-08-08

Double pipe heat exchanger and method for manufacturing the same

#82
20190226400
2019-07-25

Aircraft pylon comprising a coaxial heat exchanger

#83
20190209997
2019-07-11

Fuel reformation for use in high speed propulsion systems

#84
20190204031
2019-07-04

Heat exchanging member and heat exchanger

#85
20190203669
2019-07-04

Engine with EGR device

#86
20190186835
2019-06-20

Rotary cooler and method for operating a rotary cooler

#87
20190178581
2019-06-13

NOISE REDUCTION-TYPE DOUBLE-PIPE HEAT EXCHANGER

#88
20190170399
2019-06-06

Thermosiphon system for hot water heater

#89
20190154359
2019-05-23

COMBUSTION HEATING APPARATUS

#90
20190154356
2019-05-23

Heat storage system, heat storage container, heat storage device using heat storage container and warm-up device using heat storage device

#91
20190120560
2019-04-25

Counter flow heat exchanger

#92
20190100079
2019-04-04

Internal heat exchanger double-tube structure of air conditioning system having alternative refrigerant applied thereto

#93
20190030503
2019-01-31

HOLLOW CHAMBER X-MIXER HEAT EXCHANGER

#94
20190011199
2019-01-10

Heat exchangers

#95
20190009306
2019-01-10

Heat exchanger

#96
20180372379
2018-12-27

Air conditioner

#97
20180371888
2018-12-27

Subsea processing of well fluids

#98
20180356021
2018-12-13

Cross-over fluid coupling

#99
20180320801
2018-11-08

Turbine engine duct

#100
20180306518
2018-10-25

Heat exchanger arrangement for a carbon black production plant

#101
20180266407
2018-09-20

Housing having a cylindrical insert sealed against the housing

#102
20180238224
2018-08-23

Parallel-flow immersion heat exchanger

#103
20180206520
2018-07-26

Heat exchanger and method of making thereof

#104
20180172326
2018-06-21

Porous media evaporator

#105
20180142967
2018-05-24

Heat exchanger

#106
20180139870
2018-05-17

Dual mass cooling precision system

#107
20180106551
2018-04-19

Heat Exchanger for a Device that Produces Combustible Product Gas from Carbon-Containing Input Materials

#108
20180094868
2018-04-05

DOUBLE PIPE HEAT EXCHANGER AND METHOD FOR MANUFACTURING THE SAME

#109
20180080582
2018-03-22

Double-walled pipe

#110
20180045467
2018-02-15

Double pipe heat exchanger and method of manufacturing the same

#111
20180021693
2018-01-25

Discontinuously operating desublimator for the separation of products out of gas mixtures

#112
20180020868
2018-01-25

Device for continuous heating of fluids

#113
20170363359
2017-12-21

FINLESS-TYPE DUAL-PIPE HEAT EXCHANGE APPARATUS

#114
20170336121
2017-11-23

Ice-making machine and heat exchanger therefor

#115
20170335853
2017-11-23

Push-pull counter flow heat exchanger

#116
20170332700
2017-11-23

Methods of manufacturing a double-walled tube

#117
20170326947
2017-11-16

Refrigeration cycle device

#118
20170321882
2017-11-09

Heat exchanger using non-pure water for steam generation

#119
20170309931
2017-10-26

Fuel cell device

#120
20170306059
2017-10-26

Unified cooling for multiple polyolefin polymerization reactors

#121
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

#122
20170292792
2017-10-12

Geothermal heat exchanger, liquid transport pipe, liquid raising pipe, geothermal power generation facility, and geothermal power generation method

#123
20170260047
2017-09-14

Method of steam methane reforming with a tube and shell reactor having spirally positioned fluid inlets

#124
20170225361
2017-08-10

HEAT RECOVERY APPARATUS AND METHOD FOR MOLDING

#125
20170198990
2017-07-13

Heat exchangers

#126
20170191509
2017-07-06

Systems and methods for heat balance and transport for aircraft hydraulic systems

#127
20170191401
2017-07-06

EXHAUST GAS HEAT RECOVERY DEVICE AND MANUFACTURING METHOD THEREOF

#128
20170176109
2017-06-22

SOLUTION CONVEYING AND COOLING APPARATUS

#129
20170156378
2017-06-08

METHOD AND APPARATUS FOR PURIFYING LIQUID

#130
20170152327
2017-06-01

Unified cooling for multiple polyolefin polymerization reactors

#131
20170138670
2017-05-18

Finned coaxial cooler

#132
20170108282
2017-04-20

Heat exchanger

#133
20170108279
2017-04-20

Heat exchanger with multiple flow tubes for fluid circulation

#134
20170106310
2017-04-20

Evaporator

#135
20170074593
2017-03-16

Tube bundle heat exchanger

#136
20170074559
2017-03-16

Air conditioner and cooling receiver of air conditioner

#137
20170045315
2017-02-16

SUBSEA COOLER

#138
20170038158
2017-02-09

HEAT EXCHANGER AND A SYSTEM FOR RECOVERY OF THERMAL ENERGY FROM WASTE WATER

#139
20170030653
2017-02-02

Heat exchanger for contaminated fluids and subjected to strong variable heat load

#140
20170030652
2017-02-02

Finned coaxial cooler

#141
20160348988
2016-12-01

Corrosion resistant coaxial heat exchanger assembly

#142
20160348983
2016-12-01

HEAT EXCHANGE APPARATUS

#143
20160341489
2016-11-24

Exhaust waste heat recovery device

#144
20160322678
2016-11-03

Cooling system for battery

#145
20160303538
2016-10-20

Tube in tube continuous glass-lined reactor

#146
20160298910
2016-10-13

THERMAL ENERGY STORAGE DEVICE

#147
20160273846
2016-09-22

Ceramic member and joint structure of metal members

#148
20160216045
2016-07-28

FLUID HEAT EXCHANGER AND ENERGY RECYCLING DEVICE

#149
20160215073
2016-07-28

Unified cooling in multiple polyolefin polymerization reactors

#150
20160187072
2016-06-30

Fin-tube heat exchanger

#151
20160169589
2016-06-16

Quench-cooling system

#152
20160145495
2016-05-26

Process and apparatus for quenching coke

#153
20160131040
2016-05-12

Heat exchanger having a coaxial or concentric tube construction

#154
20160076489
2016-03-17

EXHAUST GAS HEAT EXCHANGER

#155
20160053989
2016-02-25

Aqueous working fluid steam generation system

#156
20160049210
2016-02-18

Modular transportable nuclear generator

#157
20160040938
2016-02-11

INTERNAL HEAT EXCHANGER AND METHOD FOR MAKING THE SAME

#158
20160018170
2016-01-21

Scrape-off type heat exchanger

#159
20150376005
2015-12-31

Steam methane reforming reactor of shell and tube type with cylindrical slots

#160
20150376004
2015-12-31

Steam methane reforming reactor of shell and tube type with cylindrical slots

#161
20150359976
2015-12-17

Medical infusion fluid heat exchange apparatus and warming systems

#162
20150345486
2015-12-03

Oil-free air compressor having vented cylinder supports

#163
20150345275
2015-12-03

Subsea processing of well fluids

#164
20150300746
2015-10-22

HEAT EXCHANGER TUBE AND HEAT EXCHANGER EMPLOYING THE SAME

#165
20150285142
2015-10-08

Exhaust recovery heat exchanger with inlet damper

#166
20150267637
2015-09-24

Exhaust gas heat exchanging device

#167
20150241132
2015-08-27

DOUBLE PIPE HEAT EXCHANGER AND REFRIGERATION CYCLE DEVICE

#168
20150224561
2015-08-13

Double pipe type heat exchanger and method for manufacturing the same

#169
20150198384
2015-07-16

Domestic boiler preheater

#170
20150174988
2015-06-25

Heat exchanger arrangement

#171
20150168074
2015-06-18

Concentric Tube Heat Exchanger and Method

#172
20150152762
2015-06-04

Exhaust-gas heat exchanger

#173
20150144498
2015-05-28

Device and apparatus for carrying out chemical dissociation reactions at elevated temperatures

#174
20150144310
2015-05-28

Freeze damage resistant window perimeter radiator

#175
20150136368
2015-05-21

Heat exchanger

#176
20150135740
2015-05-21

System and method for storing thermal energy as auxiliary power in a vehicle

#177
20150114611
2015-04-30

Counter-flow heat exchange systems

#178
20150114610
2015-04-30

Ammonia heat exchanger unit and system

#179
20150083375
2015-03-26

Device for mixing and heat exchange

#180
20150075247
2015-03-19

Manufacturing process for tube-in-tube internal heat exchanger

#181
20150065745
2015-03-05

Method of manufacturing bio-diesel and reactor

#182
20150064077
2015-03-05

Method of manufacturing bio-diesel and reactor

#183
20140360706
2014-12-11

Laboratory condensers with passive heat exchange

#184
20140332179
2014-11-13

Vehicle heating/cooling system with consolidated heating/cooling core

#185
20140318752
2014-10-30

Refrigerant to water heat exchanger

#186
20140318743
2014-10-30

Unified cooling in multiple polyolefin polymerization reactors

#187
20140318170
2014-10-30

Heat pump cycle

#188
20140305618
2014-10-16

Heat exchanger and method of making thereof

#189
20140298850
2014-10-09

Refrigerator

#190
20140246167
2014-09-04

Systems and methods for processing geothermal liquid natural gas (LNG)

#191
20140138070
2014-05-22

Heat exchanger

#192
20140138055
2014-05-22

Molding apparatus and method with heat recovery

#193
20140137595
2014-05-22

Internal heat exchanger for a motor vehicle air-conditioning system

#194
20140124178
2014-05-08

Re-corable coaxial hose system

#195
20140116657
2014-05-01

INTERCOOLER HEAT EXCHANGER FOR EVAPORATIVE AIR CONDITIONER SYSTEM

#196
20140116081
2014-05-01

SELF-CONTAINED EVAPORATIVE AIR CONDITIONER SYSTEM

#197
20140110095
2014-04-24

HEAT-DISSIPATING APPARATUS

#198
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

#199
20140083660
2014-03-27

HEAT RECOVERY SYSTEM

#200
20140060785
2014-03-06

Heat exchanger

#201
20140042234
2014-02-13

SYSTEM, APPARATUS AND METHOD FOR QUICK WARM-UP OF A MOTOR VEHICLE

#202
20140020872
2014-01-23

Aircraft/spacecraft fluid cooling system and aircraft/spacecraft fluid cooling method

#203
20130306289
2013-11-21

Composite pipe heat exchanger for drainwater heat recovery

#204
20130287599
2013-10-31

Energy-saving silencer assembly, a semiconductor manufacturing vacuum pump with same and method for heating nitrogen gas

#205
20130283841
2013-10-31

Heat exchanger for an air conditioning system

#206
20130255303
2013-10-03

Cooling device for use in space environment

#207
20130248159
2013-09-26

Heat conduction member

#208
20130223826
2013-08-29

Solar heating for site located oil storage or separation

#209
20130219915
2013-08-29

Fuel air heat exchanger

#210
20130174593
2013-07-11

Heat exchanging system

#211
20130167517
2013-07-04

Exhaust gas system with circulation heat pipe

#212
20130145793
2013-06-13

Direct expansion evaporator

#213
20130133860
2013-05-30

Heating

#214
20130104953
2013-05-02

Cartridge-based thermoelectric systems

#215
20130083546
2013-04-04

Light source cooling device and cooling method thereof

#216
20130070889
2013-03-21

Double-walled tube with interface gap and production method therefor

#217
20130048257
2013-02-28

HEAT FINS AND RELATED SYSTEMS AND METHODS

#218
20130047639
2013-02-28

System and method for storing thermal energy as auxiliary power in a vehicle

#219
20130025834
2013-01-31

DOUBLE TUBE TYPE HEAT EXCHANGE PIPE

#220
20130025309
2013-01-31

ENERGY-SAVING HOT WATER-HEATING DEVICE AND SYSTEM APPLICABLE TO THE SAME

#221
20130000868
2013-01-03

PROTECTIVE SHEATH FOR STRUCTURAL COMPONENTS

#222
20130000286
2013-01-03

Engine exhaust gas heat exchanger and energy supplying device using the same

#223
20120325450
2012-12-27

Connector for Tube-In-Tube Heat Exchanger and Methods of Making and Using Same

#224
20120318483
2012-12-20

Heat Exchanger for Drain Heat Recovery

#225
20120315390
2012-12-13

PRODUCTION OF HIGH PURITY SILICON-COATED GRANULES

#226
20120297753
2012-11-29

EXHAUST SYSTEM WITH HEAT ACCUMULATOR

#227
20120295001
2012-11-22

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

#228
20120279691
2012-11-08

HEAT EXCHANGER FOR A MOTOR VEHICLE AIR CONDITIONING SYSTEM

#229
20120279242
2012-11-08

CONTROLLABLE HEAT EXCHANGER FOR A MOTOR VEHICLE AIR CONDITIONING SYSTEM

#230
20120247741
2012-10-04

Heat exchanger and method of joining heat exchanger pipe

#231
20120227435
2012-09-13

Direct expansion evaporator

#232
20120222849
2012-09-06

Oil-Cooling Tube

#233
20120222845
2012-09-06

Coaxial gas-liquid heat exchanger with thermal expansion connector

#234
20120222428
2012-09-06

COMBINED-LOOP MAGNETIC REFRIGERATION SYSTEM

#235
20120214977
2012-08-23

Scraped surface heat exchanger and a method for producing whey protein concentrate

#236
20120211210
2012-08-23

COAXIAL-FLOW HEAT TRANSFER STRUCTURE

#237
20120199326
2012-08-09

INTERNAL HEAT EXCHANGER

#238
20120192589
2012-08-02

THREE-MEDIA EVAPORATOR FOR A COOLING UNIT

#239
20120186792
2012-07-26

Architecturally And Thermally Improved Freeze Resistant Window Perimeter Radiator

#240
20120174605
2012-07-12

LIQUID-COOLED HEAT EXCHANGER IN A VAPOR COMPRESSION REFRIGERATION SYSTEM

#241
20120160465
2012-06-28

HEAT EXCHANGER

#242
20120152246
2012-06-21

Vaporizer heating assembly

#243
20120152244
2012-06-21

Vaporizer heating assembly and method of regulating a temperature within the vaporizer heating assembly

#244
20120138268
2012-06-07

Combined cooling of lube/seal oil and sample coolers

#245
20120137719
2012-06-07

Direct expansion evaporator

#246
20120097380
2012-04-26

HEAT EXCHANGER

#247
20120080014
2012-04-05

CHARGE AIR COOLING DEVICE FOR A COMBUSTION ENGINE

#248
20120073792
2012-03-29

APPARATUS FOR RECLAIMING WASTE HEAT FROM A HEATING DEVICE FLUE PIPE

#249
20120055660
2012-03-08

FLATTENED FLUID CONDUITS FOR USE IN HEAT EXCHANGERS AND OTHER SYSTEMS, AND ASSOCIATED METHODS OF MANUFACTURE AND USE

#250
20120047961
2012-03-01

Heat recovery system for use with a washing appliance

#251
20120043055
2012-02-23

Double pipe type heat exchanger and method for manufacturing the same

#252
20120017569
2012-01-26

Exhaust system with reactive heating system

#253
20120006756
2012-01-12

Method and device for the wet oxidation treatment of liquid waste laden with mineral matter

#254
20120006051
2012-01-12

FAST COOLING EQUIPMENT FOR ORGANIC OR INORGANIC VAPORS

#255
20110284196
2011-11-24

HEAT EXCHANGER WITH AN IMPROVED CONNECTOR FOR AN AIR CONDITIONING CIRCUIT OF A MOTOR VEHICLE

#256
20110272123
2011-11-10

Spiral heat exchanger for hydrodesulfurizer feedstock

#257
20110271710
2011-11-10

CONNECTION DEVICE FOR AN INTERNAL HEAT EXCHANGER

#258
20110254269
2011-10-20

High efficiency cogeneration system and related method of use

#259
20110253356
2011-10-20

Replacement fitting and method of installing same

#260
20110233797
2011-09-29

Method and apparatus for cooling pyrolysis effluent

#261
20110223848
2011-09-15

Ventilation system

#262
20110220072
2011-09-15

Coaxial heat exchanger for a motor vehicle exhaust gas system

#263
20110219814
2011-09-15

TUBULAR HEAT EXCHANGER FOR MOTOR VEHICLE AIR CONDITIONERS

#264
20110214847
2011-09-08

DOUBLE PIPE AND HEAT EXCHANGER HAVING THE SAME

#265
20110209859
2011-09-01

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