ClassID:

161894

F28D7/026 - 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 only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration

Recent Application in this class:
#1
20240102740
2024-03-28

RIBBED TUBELESS HEAT EXCHANGER FOR FLUID HEATING SYSTEMS INCLUDING A RIB COMPONENT AND METHODS OF MANUFACTURE THEREOF

#2
20240093944
2024-03-21

SPIRAL HEAT EXCHANGER AND HEAT EXCHANGE DEVICE

#3
20230341187
2023-10-26

Heat exchanger

#4
20230324125
2023-10-12

HEAT EXCHANGER AND USE THEREOF

#5
20230323881
2023-10-12

Tank, liquid circulation system and operating method

#6
20230017453
2023-01-19

Tubeless heat exchanger for fluid heating systems

#7
20210387244
2021-12-16

Entwined tubular arrangements for heat exchangers and counterflow heat transfer systems

#8
20190219302
2019-07-18

Fully-wetted, refractory-free tubeless fluid heating system with negligible thermal expansion stress

#9
20190204011
2019-07-04

Tubeless heat exchanger for fluid heating systems

#10
20190011190
2019-01-10

Counterflow helical heat exchanger

#11
20190011189
2019-01-10

Counterflow helical heat exchanger

#12
20180345353
2018-12-06

3D printed heat exchanger

#13
20180339329
2018-11-29

Entwined tubular arrangements for heat exchangers and counterflow heat transfer systems

#14
20180202725
2018-07-19

Thermal roller and producing process

#15
20180187980
2018-07-05

Heat recovery apparatus and method

#16
20180187384
2018-07-05

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

#17
20180106551
2018-04-19

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

#18
20180100704
2018-04-12

Heat exchanger with heilical flights and tubes

#19
20180073778
2018-03-15

Coaxial ground heat exchanger and ground heat exchange system including the same

#20
20180031334
2018-02-01

Cyclonic cooling system

#21
20180031276
2018-02-01

Condensing boiler

#22
20170367528
2017-12-28

Heat transfer device and system integrating such a device

#23
20170328643
2017-11-16

Cyclonic condensing and cooling system

#24
20170274340
2017-09-28

SHELL-AND-MULTI-DOUBLE CONCENTRIC-TUBE REACTOR AND HEAT EXCHANGER

#25
20170175684
2017-06-22

Helical tube EGR cooler

#26
20170051246
2017-02-23

Temperature controlled support surfaces for single use flexible wall systems

#27
20160230138
2016-08-11

Temperature controlling surfaces and support structures

#28
20160169587
2016-06-16

Ribbed tubeless heat exchanger for fluid heating systems including a rib component and methods of manufacture thereof

#29
20160169552
2016-06-16

Fully-wetted, refractory-free tubeless fluid heating system with negligible thermal expansion stress

#30
20160069617
2016-03-10

Heat recovery apparatus and method

#31
20150299641
2015-10-22

Temperature controlled support surfaces for single use flexible wall systems

#32
20150144310
2015-05-28

Freeze damage resistant window perimeter radiator

#33
20140245768
2014-09-04

Co-fired absorption system generator

#34
20140077634
2014-03-20

Cooling jacket and deflection unit for cooling jackets

#35
20140020867
2014-01-23

Thermal transfer device with spiral fluid pathways

#36
20130287599
2013-10-31

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

#37
20130277022
2013-10-24

Helical tube EGR cooler

#38
20130223826
2013-08-29

Solar heating for site located oil storage or separation

#39
20130145793
2013-06-13

Direct expansion evaporator

#40
20130089925
2013-04-11

Temperature controlling surfaces and support structures

#41
20120267073
2012-10-25

COOLING APPARATUS

#42
20120247719
2012-10-04

METHOD OF AND APPARATUS FOR TRANSFERRING HEAT ENERGY BETWEEN A HEAT EXCHANGING SUBSYSTEM ABOVE THE SURFACE OF THE EARTH AND MATERIAL THEREBENEATH USING ONE OR MORE COAXIAL-FLOW HEAT EXCHANGING STRUCTURES PRODUCING TURBULENCE IN AQUEOUS-BASED HEAT-TRANSFERING FLUID FLOWING ALONG HELICALLY-EXTENDING OUTER FLOW CHANNELS FORMED THEREIN

#43
20120227435
2012-09-13

Direct expansion evaporator

#44
20120186792
2012-07-26

Architecturally And Thermally Improved Freeze Resistant Window Perimeter Radiator

#45
20120137719
2012-06-07

Direct expansion evaporator

#46
20120055421
2012-03-08

Sectional Boiler

#47
20120020858
2012-01-26

High-efficiency catalytic converters for treating exhaust gases

#48
20110259547
2011-10-27

BUILDING STRUCTURES EMPLOYING COAXIAL-FLOW HEAT TRANSFER STRUCTURES FOR THERMAL REGULATION

#49
20110226341
2011-09-22

DEVICE AND METHOD FOR REUSING GREYWATER

#50
20110164465
2011-07-07

HEAT EXCHANGER WITH HELICAL FLOW PATH

#51
20110126580
2011-06-02

LIQUID SUPERCOOLING SYSTEM

#52
20110108238
2011-05-12

High-efficiency enhanced boiler

#53
20110041689
2011-02-24

Off gas purification

#54
20110023519
2011-02-03

Direct expansion evaporator

#55
20110014098
2011-01-20

High-efficiency catalytic converters for treating exhaust gases

#56
20110011069
2011-01-20

Cogeneration apparatus

#57
20100293993
2010-11-25

Method and apparatus for highly efficient compact vapor compression cooling

#58
20100288890
2010-11-18

Wing-engine combination, an aircraft, and a wing section of an aircraft comprising an engine bleed-air duct arrangement

#59
20100186440
2010-07-29

THERMAL STORAGE FOR CO2 SYSTEM

#60
20100071390
2010-03-25

Method and apparatus for highly efficient compact vapor compression cooling

#61
20100071389
2010-03-25

Method and apparatus for highly efficient compact vapor compression cooling

#62
20100046934
2010-02-25

HIGH THERMAL TRANSFER SPIRAL FLOW HEAT EXCHANGER

#63
20090301695
2009-12-10

CONTROL HEAT EXCHANGER

#64
20090175772
2009-07-09

High-efficiency catalytic converters for treating exhaust gases

#65
20080295784
2008-12-04

Water vaporizer with intermediate steam superheating pass

#66
20080210402
2008-09-04

Method of and apparatus for transferring heat energy between a heat exchanging subsystem above the surface of the earth and material therebeneath using one or more coaxial-flow heat exchanging structures producing turbulence in aqueous-based heat-transfering fluid flowing along helically-extending outer flow channels formed therein

#67
20080196859
2008-08-21

Method of transferring heat energy between a heat exchanging subsystem above the surface of the earth and material therebeneath using a coaxial-flow heat exchanging structure generating turbulence along the outer flow channel thereof

#68
20080185135
2008-08-07

Natural gas dehydration and condensate separation system employing co-axial flow heat exchanging structures

#69
20080185122
2008-08-07

Building structures employing coaxial-flow heat transfer structures for thermal regulation

#70
20080149317
2008-06-26

Heat exchanger

#71
20080148758
2008-06-26

Heat exchanging system employing co-axial flow heat exchanging structures installed in the ambient environment

#72
20080089676
2008-04-17

Microstructured apparatus for heating a fluid

#73
20070209788
2007-09-13

HEAT EXCHANGING TUBE WITH SPIRAL GROOVE

#74
20070199688
2007-08-30

High-efficiency enhanced boiler

#75
20070039725
2007-02-22

Water vaporizer with intermediate steam superheating pass

#76
20070029067
2007-02-08

Geo-thermal heat exchanging system facilitating the transfer of heat energy using coaxial-flow heat exchanging structures installed in the earth for introducing turbulence into the flow of the aqueous-based heat transfer fluid flowing along the outer flow channel

#77
20070029066
2007-02-08

Coaxial-flow heat exchanging structure for installation in the earth and introducing turbulence into the flow of the aqueoue-based heat transfer fluid flowing along the outer flow channel while its cross-sectional characteristics produce fluid flows therealong having optimal vortex characteristics that optimize heat transfer with the earth

#78
20070023164
2007-02-01

Geo-thermal heat exchanging system facilitating the transfer of heat energy using coaxial-flow heat exchanging structures installed in the earth for introducing turbulence into the flow of the aqueous-based heat transfer fluid flowing along the outer flow channel

#79
20070023163
2007-02-01

Electromagnetic signal transmission/reception tower and accompanying base station employing system of coaxial-flow heat exchanging structures installed in well bores to thermally control the environment housing electronic equipment within the base station

#80
20060193115
2006-08-31

Liquid-cooling heat dissipation module

#81
20060191669
2006-08-31

Liquid-cooled heat dissipation module

#82
20060150666
2006-07-13

Method and apparatus for highly efficient compact vapor compression cooling

#83
20060096745
2006-05-11

Plastic oil cooler

#84
20060016586
2006-01-26

Heat exchanger with pipe coils and helical spreader ribs

#85
20050265908
2005-12-01

Heat exchange process and reactor

#86
20050241632
2005-11-03

Gas heater, a gas supply apparatus and a method of providing gas

#87
20050150643
2005-07-14

Heat exchanger

#88
20050061495
2005-03-24

Microstructured apparatus for heating a fluid