ClassID:

162074

F28F1/06 - CPC Classification

Classification description:

Tubular elements; Assemblies of tubular elements; Tubular elements of cross-section which is non-circular crimped or corrugated in cross-section

Recent Application in this class:
#1
20250321059
2025-10-16

MULTIPLE WICK SECTION HEAT PIPE

#2
20240384937
2024-11-21

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

#3
20240175642
2024-05-30

TUBULAR ELEMENT FOR A HEAT EXCHANGER

#4
20240167774
2024-05-23

FLUID DISTRIBUTION TANK FOR A TUBE OF A HEAT EXCHANGER

#5
20240027141
2024-01-25

EVAPORATOR WITH GROOVED CHANNELS

#6
20230266075
2023-08-24

NON-VERTICAL CORRUGATED FINS IN A HEAT EXCHANGER AND METHOD OF MANUFACTURING THE SAME

#7
20230192323
2023-06-22

Condensing heat exchanger with flow restricting inserts between the condenser element and the outlet header

#8
20230003456
2023-01-05

Double pipe for heat exchanger

#9
20220325957
2022-10-13

MULTI-CAVITY TUBES FOR AIR-OVER EVAPORATIVE HEAT EXCHANGER

#10
20220316759
2022-10-06

Wavy smoke tube structure of boiler

#11
20220290925
2022-09-15

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

#12
20220146203
2022-05-12

HEAT EXCHANGER

#13
20220120500
2022-04-21

HEAT EXCHANGER

#14
20210381473
2021-12-09

Heat exchanger with partition wall interposed between different flow paths

#15
20210348855
2021-11-11

HEAT EXCHANGER TUBES

#16
20210278144
2021-09-09

Shell and tube condenser and the heat exchange tube of a shell and tube condenser (variants)

#17
20210239410
2021-08-05

Heat exchanger fin

#18
20210239408
2021-08-05

Evaporator with grooved channels and orifice inserts

#19
20210239407
2021-08-05

Evaporator with grooved channels

#20
20210222966
2021-07-22

Heat exchangers

#21
20210164739
2021-06-03

Heat exchangers

#22
20210123690
2021-04-29

Heat Exchange Tube, Heat Exchange Tube Manufacturing Method, and Heat Exchanger

#23
20210108862
2021-04-15

Double tube with petal shape and method of manufacturing the same

#24
20210010755
2021-01-14

MULTI-CAVITY TUBES FOR AIR-OVER EVAPORATIVE HEAT EXCHANGER

#25
20200377801
2020-12-03

Tube for a steam cracking furnace having a segment with an elliptical or lobed cross section

#26
20200348085
2020-11-05

ROUND METAL PIPE, HEAT EXCHANGER PROVIDED WITH SAME, PIPE BENDER, AND METHOD FOR BEND-PROCESSING ROUND METAL PIPE

#27
20200340760
2020-10-29

Heat exchanger tubes

#28
20200271392
2020-08-27

Finless heat exchanger apparatus and methods

#29
20200256624
2020-08-13

Flat Tube for Microchannel Heat Exchanger and Microchannel Heat Exchanger

#30
20200200489
2020-06-25

TUBE FOR A HEAT EXCHANGER AND METHOD OF MAKING THE TUBE

#31
20200182560
2020-06-11

MICROCHANNEL HEAT EXCHANGER

#32
20200149818
2020-05-14

Heat exchanger and refrigeration cycle apparatus

#33
20200124360
2020-04-23

Monolithic tube-in matrix heat exchanger

#34
20200080789
2020-03-12

Shell and tube heat exchanger with perforated fins interconnecting the tubes

#35
20200064075
2020-02-27

Counter-flow heat exchanger with helical passages

#36
20190339014
2019-11-07

Heat exchanger tubes and tube assembly configurations

#37
20190285359
2019-09-19

Heat exchanger fin

#38
20190226400
2019-07-25

Aircraft pylon comprising a coaxial heat exchanger

#39
20190203669
2019-07-04

Engine with EGR device

#40
20190186431
2019-06-20

TUBE, IN PARTICULAR A FLAT TUBE FOR AN EXHAUST GAS COOLER AND EXHAUST GAS COOLER

#41
20190017753
2019-01-17

Heat exchanger tube

#42
20190011199
2019-01-10

Heat exchangers

#43
20180372425
2018-12-27

HEAT EXCHANGER

#44
20180320801
2018-11-08

Turbine engine duct

#45
20180252433
2018-09-06

Reduced drag combustion pass in a tubular heat exchanger

#46
20180195806
2018-07-12

Plastic material internal heat exchanger

#47
20180045467
2018-02-15

Double pipe heat exchanger and method of manufacturing the same

#48
20170314875
2017-11-02

Flat tube for a heat exchanger

#49
20170309931
2017-10-26

Fuel cell device

#50
20170299272
2017-10-19

Multi-cavity tubes for air-over evaporative heat exchanger

#51
20170198990
2017-07-13

Heat exchangers

#52
20170138670
2017-05-18

Finned coaxial cooler

#53
20170122666
2017-05-04

INTEGRAL HEAT EXCHANGER

#54
20170038167
2017-02-09

Heat exchanger with enhanced airflow

#55
20170030651
2017-02-02

Counter-flow heat exchanger with helical passages

#56
20160290738
2016-10-06

Monolithic tube-in matrix heat exchanger

#57
20160245598
2016-08-25

Tube for a heat exchanger with an at least partially variable cross-section, and heat exchanger equipped therewith

#58
20160116236
2016-04-28

Aluminum alloy fin material for heat exchangers, and method of producing the same

#59
20160003550
2016-01-07

Heat exchanger

#60
20150247680
2015-09-03

Flat pipe

#61
20150233653
2015-08-20

Brazed heat exchanger

#62
20150198381
2015-07-16

Method of forming a refrigeration heat exchanger

#63
20150123297
2015-05-07

Plastic tube screen fills and fabrication thereof

#64
20150041106
2015-02-12

Cooling radiator for a vehicle, particularly a motor vehicle

#65
20140262165
2014-09-18

Heat exchanger tube

#66
20140196872
2014-07-17

Heat exchanger having U-shaped tube arrangement and staggered bent array for enhanced airflow

#67
20140182330
2014-07-03

Evaporator with cool storage function

#68
20130299036
2013-11-14

Conduit for improved fluid flow and heat transfer

#69
20130255303
2013-10-03

Cooling device for use in space environment

#70
20130213368
2013-08-22

Exhaust gas heat exchanger with an oscillation attenuated bundle of exchanger tubes

#71
20130112371
2013-05-09

Exhaust gas heat recovery heat exchanger having a lobed tube coil

#72
20130089413
2013-04-11

Screw Compressor

#73
20130083546
2013-04-04

Light source cooling device and cooling method thereof

#74
20130062041
2013-03-14

MULTI-LAYERED HEAT TRANSFER TUBE, MANUFACTURING METHOD OF MULTI-LAYERED HEAT TRANSFER TUBE, AND FORMING DEVICE USED IN THE MANUFACTURING METHOD

#75
20120097380
2012-04-26

HEAT EXCHANGER

#76
20120037346
2012-02-16

Heat exchanger

#77
20120036718
2012-02-16

METHOD OF EXPANDING CORRUGATED TUBE AND MANUFACTURING A HEAT EXCHANGER WITH EXPANSION TUBE

#78
20120006512
2012-01-12

Asymmetric Dimple Tube for Gas Heat

#79
20110146594
2011-06-23

Fire tube heater

#80
20110073208
2011-03-31

Double-wall pipe, method of manufacturing the same and refrigerant cycle device provided with the same

#81
20110067437
2011-03-24

Air Source Heat Exchange System and Method Utilizing Temperature Gradient and Water

#82
20110045418
2011-02-24

MULTI-FUEL OIL FURNACE

#83
20100314092
2010-12-16

HEAT TRANSFER TUBE

#84
20100258280
2010-10-14

HEAT EXCHANGE TUBE WITH INTEGRAL RESTRICTING AND TURBULATING STRUCTURE

#85
20100230082
2010-09-16

IN-LINE HEAT-EXCHANGER AND METHOD OF FORMING SAME

#86
20100162749
2010-07-01

Heat exchanger and refrigerating air conditioner

#87
20100132922
2010-06-03

VAPOR CHAMBER AND COOLING DEVICE HAVING THE SAME

#88
20100089560
2010-04-15

Heat exchanger

#89
20090241525
2009-10-01

Systems, devices, and/or methods for recuperating energy and/or particulates

#90
20090223655
2009-09-10

Heat exchanger particularly for thermal generators

#91
20090159248
2009-06-25

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

#92
20090071639
2009-03-19

HEAT EXCHANGER

#93
20090038785
2009-02-12

Tubes for heat exchange

#94
20090032224
2009-02-05

HEAT EXCHANGER

#95
20090014151
2009-01-15

Exhaust gas heat exchanger with an oscillationattenuated bundle of exchanger tubes

#96
20090013677
2009-01-15

Exhaust gas heat exchanger with integrated mounting interface

#97
20090013676
2009-01-15

LIGHTWEIGHT FLOW HEAT EXCHANGER

#98
20080251241
2008-10-16

Double-pipe heat exchanger and manufacturing method thereof

#99
20080141665
2008-06-19

Double Pipe Heat Exchanger and Method of Manufacturing the Same

#100
20080029243
2008-02-07

Heat exchanger tube with integral restricting and turbulating structure

#101
20080000616
2008-01-03

Heat exchanger and use thereof in showers

#102
20070235163
2007-10-11

Indented tube for a heat exchanger

#103
20070209788
2007-09-13

HEAT EXCHANGING TUBE WITH SPIRAL GROOVE

#104
20070193324
2007-08-23

Roll forming apparatus and method of roll forming

#105
20070034194
2007-02-15

Cooling device for a fuel-recirculation circuit from the injection system to the tank of a motor vehicle

#106
20060174468
2006-08-10

Method of manufacturing double pipe

#107
20060144585
2006-07-06

Exhaust gas heat exchanger for cogeneration system

#108
20060130818
2006-06-22

EGR cooler

#109
20060124285
2006-06-15

Heat exchanger with helical flow paths

#110
20060112556
2006-06-01

Method and apparatus of manufacturing grooved pipe, and structure thereof

#111
20060096744
2006-05-11

Double-wall pipe, method of manufacturing the same and refrigerant cycle device provided with the same

#112
20060096314
2006-05-11

Double-wall pipe and refrigerant cycle device using the same

#113
20050199228
2005-09-15

EGR cooler

#114
20050051310
2005-03-10

Double-pipe heat exchanger

#115
16167784
2020-03-24

Tube end sealing method

#116
15265500
2018-10-23

Tube end sealing method