ClassID:

161810

F28C3/08 - CPC Classification

Classification description:

Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour with change of state, e.g. absorption, evaporation, condensation

Recent Application in this class:
#1
20260104207
2026-04-16

GAS COOLING APPARATUS AND HEAT FURNACE

#2
20260027399
2026-01-29

COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE, 1,1,2,3-TETRA-CHLOROPROPENE, 2-CHLORO-3,3,3-TRIFLUOROPROPENE, OR 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE

#3
20250290682
2025-09-18

METHOD FOR CONTROLLING A RECYCLE GAS STREAM UTILIZING AN EJECTOR FOR THE COOLING OF A UNIT OPERATION

#4
20250277628
2025-09-04

ADIABATIC PRE-COOLING SYSTEM FOR V-TYPE AIR COOLED HEAT EXCHANGER

#5
20250271379
2025-08-28

MOISTURE MONITORING SYSTEM

#6
20250224180
2025-07-10

MODULAR COUNTERFLOW COOLING TOWER

#7
20250155200
2025-05-15

Infusion heater and system for heating a liquid product using saturated steam

#8
20250092648
2025-03-20

COOLING TANK FOR HOT REGIONS

#9
20250035309
2025-01-30

METHODS, SYSTEMS, AND DEVICES FOR FLUE GAS COOLING

#10
20250032835
2025-01-30

COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE, 1,1,2,3-TETRA-CHLOROPROPENE, 2-CHLORO-3,3,3-TRIFLUOROPROPENE, OR 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE

#11
20240404916
2024-12-05

PRESSURE RELIEF VALVE AND ADSORBENT CHAMBER FOR TWO-PHASE IMMERSION COOLING SYSTEMS AND METHODS FOR USING SAME

#12
20240400414
2024-12-05

WATER PURIFICATION

#13
20240377078
2024-11-14

HEAT DISSIPATION SYSTEMS WITH HYGROSCOPIC WORKING FLUID

#14
20240337396
2024-10-10

FRESH WATER EVAPORATIVE COOLING SYSTEM

#15
20240307725
2024-09-19

Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetra-chloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane

#16
20240142102
2024-05-02

Methods, systems, and devices for flue gas cooling

#17
20240035656
2024-02-01

Methods, systems, and devices for flue gas cooling

#18
20240011711
2024-01-11

SANITARY DIRECT CONTACT STEAM INJECTION HEATER

#19
20230408201
2023-12-21

Modular counter flow cooling tower

#20
20230321560
2023-10-12

SUBMERGED, CONDENSING, DIRECT CONTACT, PHASE SHIFTING HEAT TRANSFER PROCESS

#21
20230204260
2023-06-29

Heat exchange device and cooling system having the same

#22
20230173317
2023-06-08

Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3 tetrachloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane

#23
20230087068
2023-03-23

A METHOD FOR CLEANING AN EVAPORATIVE HUMIDIFIER AND COOLER APPARATUS AND A SYSTEM COMPRISING AN EVAPORATIVE HUMIDIFIER AND COOLER APPARATUS

#24
20220325641
2022-10-13

Apparatus and method of utilizing thermal energy using multi fluid direct contact hydraulic cycles

#25
20220276007
2022-09-01

Modular counterflow cooling tower

#26
20220233901
2022-07-28

Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetra-chloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane

#27
20210381772
2021-12-09

Temperature-controlled portable cooling units

#28
20210222960
2021-07-22

Power generation using ice or other frozen fluids as a heat source

#29
20210197113
2021-07-01

Device for producing and treating a gas stream through a volume of liquid, and facility and method implementing said device

#30
20210140694
2021-05-13

MODULAR ADIABATIC PRE-COOLING CASSETTE WITH METHOD OF RETROFIT FOR HORIZONTAL AIR-COOLED COMMERCIAL REFRIGERATION CONDENSERS

#31
20210139345
2021-05-13

Evaporator

#32
20210123616
2021-04-29

Heat dissipation systems with hygroscopic working fluid

#33
20200386122
2020-12-10

Apparatus and method of utilizing thermal energy using multi fluid direct contact hydraulic cycles

#34
20200359531
2020-11-12

Wickless capillary driven constrained vapor bubble heat pipes

#35
20200354618
2020-11-12

TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF

#36
20200348019
2020-11-05

Steam injection heater with integrated cleaning mechanism

#37
20200333079
2020-10-22

Body cooling system

#38
20200316548
2020-10-08

Quenching system

#39
20200306720
2020-10-01

Two-stage liquid distribution device for mass transfer column

#40
20200282249
2020-09-10

Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetra-chloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane

#41
20200277202
2020-09-03

Wastewater evaporative separation systems

#42
20200277201
2020-09-03

Evaporation panels

#43
20200277200
2020-09-03

Evaporation panel systems and assemblies

#44
20200232708
2020-07-23

HEAT EXCHANGER

#45
20200217587
2020-07-09

Bi-directional porous media phase change heat exchanger

#46
20200190406
2020-06-18

Rapid Thermal Conversion of Biomass

#47
20200158440
2020-05-21

Evaporative cooling systems and methods of using

#48
20200158438
2020-05-21

Modular counterflow cooling tower

#49
20200025421
2020-01-23

LOW PRESSURE VAPOUR OF POLAR FLUID CONDENSER BASED ON LIQUEFACTION IN RUNNING NON-POLAR LIQUID

#50
20190390911
2019-12-26

Heat transfer devices and methods of cooling heat sources

#51
20190376683
2019-12-12

Attemperator and a use of a such

#52
20190353425
2019-11-21

Packing for heat and/or mass transfer

#53
20190277519
2019-09-12

Portable air cooler and media pad apparatus for use therewith

#54
20190275488
2019-09-12

Quenching system

#55
20190177590
2019-06-13

Tetrafluoropropene compositions and uses thereof

#56
20190056101
2019-02-21

Vaporization apparatus

#57
20180372387
2018-12-27

Modular adiabatic pre-cooling cassette with method of retrofit for horizontal air-cooled commercial refrigeration condensers

#58
20180356156
2018-12-13

Devices, methods, and systems for thermal management

#59
20180347910
2018-12-06

Evaporation panel securing systems

#60
20180320913
2018-11-08

Humid air forming device, inspection device comprising same, and inspection method

#61
20180283809
2018-10-04

Method and Device for Direct-Contact Heat Exchange between a Fouling Liquid and a Cooling Fluid

#62
20180266323
2018-09-20

Evaporative cooling systems and methods

#63
20180266322
2018-09-20

Contoured evaporative cooling medium

#64
20180238625
2018-08-23

Hybrid cooler with bifurcated evaporative section

#65
20180214727
2018-08-02

Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetra-chloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane

#66
20180202728
2018-07-19

Method And Apparatus For Desublimation Prevention In A Direct Contact Heat Exchanger Having Holes With Non-Parallel Walls

#67
20180172322
2018-06-21

METHOD FOR CONTROLLING A RECYCLE GAS STREAM UTILIZING AN EJECTOR FOR THE COOLING OF A UNIT OPERATION

#68
20180066856
2018-03-08

Evaporative HVAC apparatus

#69
20180030356
2018-02-01

Rapid thermal conversion of biomass

#70
20170320006
2017-11-09

Device for producing and treating a gas stream through a volume of liquid, and facility and method implementing said device

#71
20170318702
2017-11-02

Wickless capillary driven constrained vapor bubble heat pipes for application in electronic devices with various system platforms

#72
20170318687
2017-11-02

Wickless capillary driven constrained vapor bubble heat pipes for application in display devices

#73
20170314874
2017-11-02

Wickless capillary driven constrained vapor bubble heat pipes for application in rack servers

#74
20170082370
2017-03-23

Combined convector

#75
20170073561
2017-03-16

Tetrafluoropropene compositions and uses thereof

#76
20170066953
2017-03-09

Azeotrope-like compositions of cis-1,1,1,4,4,4-hexafluoro-2-butene

#77
20170016182
2017-01-19

Chitosan as a biobased barrier coating for functional paperboard products

#78
20170010009
2017-01-12

Advanced Multi-Purpose Multistage Evaporative Cold Water/Cold Air Generating and Supply System

#79
20160298908
2016-10-13

CONTRA-ROTATING AXIAL FAN SYSTEM AND TRANSMISSION FOR DRY AND EVAPORATIVE COOLING EQUIPMENT

#80
20160290725
2016-10-06

Counter current heat exchange module

#81
20160231060
2016-08-11

Misting and atomization systems and method

#82
20160187066
2016-06-30

System for reducing air temperatures adjacent an air cooler

#83
20160159202
2016-06-09

Evaporative HVAC apparatus

#84
20160116217
2016-04-28

Bond head cooling apparatus

#85
20160102875
2016-04-14

Advanced Multi-Purpose Multistage Evaporative Cold Water/Cold Air Generating and Supply System

#86
20160084577
2016-03-24

Temperature-controlled portable cooling units

#87
20160037685
2016-02-04

ADAPTABLE CONTAINER MOUNTED COOLING SOLUTION

#88
20160033204
2016-02-04

High efficiency thermal management system

#89
20150362255
2015-12-17

Method and device for treating exhaust gases

#90
20150362201
2015-12-17

Evaporative HVAC apparatus

#91
20150330711
2015-11-19

SECONDARY WASH AT DISCHARGE DRUM

#92
20150308748
2015-10-29

Flow directors

#93
20150260456
2015-09-17

Dry air-water heat exchanger

#94
20150251033
2015-09-10

Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetra-chloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane

#95
20150247675
2015-09-03

COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE, 1,1,2,3-TETRA-CHLOROPROPENE, 2-CHLORO-3,3,3-TRIFLUOROPROPENE, OR 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE

#96
20150247674
2015-09-03

Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetra-chloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane

#97
20150219398
2015-08-06

CONTRA-ROTATING AXIAL FAN SYSTEM AND TRANSMISSION FOR DRY AND EVAPORATIVE COOLING EQUIPMENT

#98
20150205305
2015-07-23

Evaporative cycles of concentration control

#99
20150204626
2015-07-23

Adiabatic refrigerant condenser controls system

#100
20150204554
2015-07-23

Staged dry out control for evaporative media systems

#101
20150204553
2015-07-23

Staging control for an evaporative media system

#102
20150204552
2015-07-23

Multiple pump evaporative media system

#103
20150192366
2015-07-09

Modular Water-Cooled Aftermarket Upgrade to an Existing Air Conditioner

#104
20150191656
2015-07-09

Rapid thermal conversion of biomass

#105
20150174523
2015-06-25

Process and apparatus for the separation of a stream containing carbon dioxide, water and at least one light impurity including a separation step at subambient temperature

#106
20150112094
2015-04-23

Method for cooling liquid

#107
20150096317
2015-04-09

System and method for evaporative cooling of a heated apparatus

#108
20150018429
2015-01-15

Azeotrope-like compositions of cis-1,1,1,4,4,4-hexafluoro-2-butene

#109
20150013942
2015-01-15

Tetrafluoropropene compositions and uses thereof

#110
20140352345
2014-12-04

Heat exchange matrix

#111
20140290293
2014-10-02

Temperature-controlled portable cooling units

#112
20140263765
2014-09-18

OUTDOOR UNIT FOR AIR CONDITIONING DEVICE

#113
20140260402
2014-09-18

Air processor enclosure

#114
20140260370
2014-09-18

Controlling evaporative cooling tower chemistry

#115
20140250935
2014-09-11

Desiccant based chilling system

#116
20140231042
2014-08-21

System for Reducing the Condensing Temperature of a Refrigeration or Air Conditioning System by Utilizing Harvested Rainwater

#117
20140202192
2014-07-24

REACTOR LIQUID COOLDOWN APPARATUS

#118
20140182316
2014-07-03

Scaleable capacity indirect evaporative cooler

#119
20140174116
2014-06-26

Evaporation cooler and pad

#120
20140165641
2014-06-19

DISTRIBUTOR FOR EVAPORATIVE CONDENSER HEADER OR COOLER HEADER

#121
20140165639
2014-06-19

Mobile cooling device

#122
20140165634
2014-06-19

APPARATUS AND METHOD FOR THE STERILIZATION, DEGASSING AND CONCENTRATION OF VISCOUS PRODUCTS

#123
20140144171
2014-05-29

Method of Wetting Evaporative Cooler Media Through a Fabric Distribution Layer

#124
20140138860
2014-05-22

Fluid diffusing nozzle design

#125
20140138858
2014-05-22

High pressure steam injection heater assembly

#126
20140130535
2014-05-15

CONTRA-ROTATING FAN ARRANGEMENT AND FAN DRIVE SYSTEM FOR EVAPORATIVE COOLING EQUIPMENT

#127
20140075959
2014-03-20

EVAPORATIVE COOLER APPARATUS AND METHOD

#128
20140047854
2014-02-20

Compound condensing unit for cooling system

#129
20130333407
2013-12-19

Sub-wet bulb evaporative chiller system with multiple integrated subunits or chillers

#130
20130284403
2013-10-31

Self cleaning nozzle arrangement

#131
20130277016
2013-10-24

Method of cooling an object with a fabric

#132
20130269924
2013-10-17

Hybrid cooler with bifurcated evaporative section

#133
20130269630
2013-10-17

Steam generator film cooling using produced water

#134
20130255310
2013-10-03

Integrated method and apparatus for compressing air and producing carbon dioxide-rich fluid

#135
20130233005
2013-09-12

Wetting of evaporative cooler pads

#136
20130219933
2013-08-29

EVAPORATIVE COOLING APPARATUS AND METHODS

#137
20130206658
2013-08-15

Heat exchange system configured with a membrane contactor

#138
20130205816
2013-08-15

Cooling system and method for air cooled chillers

#139
20130118199
2013-05-16

Cooling System With a Cover Which Contains Super Absorber and Can Be Activated

#140
20130111937
2013-05-09

Cooling module for modular data center and system comprising the cooling module and at least one server module

#141
20130098079
2013-04-25

Mist cooling assembly

#142
20130032318
2013-02-07

Counter current heat exchange module

#143
20130008195
2013-01-10

Evaporative cooler

#144
20120325436
2012-12-27

HIGH EFFICIENCY THERMAL MANAGEMENT SYSTEM

#145
20120319309
2012-12-20

Rechargeable, portable, misting beverage system

#146
20120259136
2012-10-11

Method for cooling liquid

#147
20120241375
2012-09-27

Wastewater treatment

#148
20120240477
2012-09-27

Compositions comprising 2,3,3,3-tetrafluoropropene, 1,1,2,3-tetra-chloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane

#149
20120222704
2012-09-06

System, method and apparatus for recycling quenching medium

#150
20120137990
2012-06-07

Systems and Methods for Liquid Vaporizers and Operations Thereof

#151
20120131883
2012-05-31

Device and method for evaporating water from a compressor

#152
20120103561
2012-05-03

Heat exchanger and related methods

#153
20120103428
2012-05-03

Vaporization chambers and associated methods

#154
20120064202
2012-03-15

Method and device for producing pureed food

#155
20120004299
2012-01-05

Azeotrope-like compositions of cis-1,1,1,4,4,4-hexafluoro-2-butene

#156
20120000849
2012-01-05

Wastewater treatment

#157
20110298141
2011-12-08

Desuperheater seat-ring apparatus

#158
20110232488
2011-09-29

Method and device for exchanging mass and energy between gas and liquid

#159
20110126564
2011-06-02

Systems and methods for indirect evaporative cooling and for two stage evaporative cooling

#160
20110123407
2011-05-26

Rapid thermal conversion of biomass

#161
20110086281
2011-04-14

DEVICE FOR HUMIDIFYING AND HEATING A COMBUSTIBLE GAS TO BE REFORMED FOR A FUEL CELL UNIT

#162
20110074051
2011-03-31

Ventilation of drainage system for frame engine evaporative cooler

#163
20110023506
2011-02-03

Evaporative pre-cooler for air cooled heat exchangers

#164
20100242534
2010-09-30

Hybrid cascade vapor compression refrigeration system

#165
20100219268
2010-09-02

Multi-hole or cluster nozzle

#166
20100126195
2010-05-27

Heat pump

#167
20100122545
2010-05-20

TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF

#168
20100101609
2010-04-29

Self cleaning nozzle arrangement

#169
20100101234
2010-04-29

Evaporative Cooler and Use Thereof and Gas Turbine System Featuring an Evaporative Cooler

#170
20100065259
2010-03-18

Vapor contact-type heating device

#171
20100001419
2010-01-07

Steam injection heater with stationary end seal assembly

#172
20090321967
2009-12-31

Auxiliary cooling apparatus

#173
20090214813
2009-08-27

POLYMER FIBER CONTAINING FLAME RETARDANT, PROCESS FOR PRODUCING THE SAME, AND MATERIAL CONTAINING SUCH FIBERS

#174
20090200688
2009-08-13

Angled diffuser and steam injection heater assembly

#175
20090199584
2009-08-13

Cooling tower

#176
20090173087
2009-07-09

Device and method for evaporating water from a compressor

#177
20090163099
2009-06-25

Process of making a fabric

#178
20090139851
2009-06-04

Rapid thermal conversion of biomass

#179
20090133328
2009-05-28

Quenching vessel

#180
20090121039
2009-05-14

Spray nozzle manifold

#181
20090090018
2009-04-09

Cooling system with a cover which contains super absorber and can be activated

#182
20090031748
2009-02-05

Evaporative Cooling System

#183
20090014376
2009-01-15

APPARATUS FOR THE COOLING, CONDENSATION; AERATION AND/OR MIXING OF WATER

#184
20080289335
2008-11-27

Methods and Apparatus for Power Generation

#185
20080278913
2008-11-13

COOLING APPARATUS AND COOLED ELECTRONIC MODULE WITH A THERMALLY CONDUCTIVE RETURN MANIFOLD STRUCTURE SEALED TO THE PERIPHERY OF A SURFACE TO BE COOLED

#186
20080251215
2008-10-16

Carbon foam evaporator

#187
20080202154
2008-08-28

Refrigeration Apparatus

#188
20080173433
2008-07-24

Energy recovery ventilator with condensate feedback

#189
20080053135
2008-03-06

WATERFALL COOLER

#190
20080041083
2008-02-21

Low-cost air conditioning system for open area

#191
20070274045
2007-11-29

Methods for fabricating a cooled electronic module employing a thermally conductive return manifold structure sealed to the periphery of a surface to be cooled

#192
20070045880
2007-03-01

Integration of evaporative cooling within microfluidic systems

#193
20060255483
2006-11-16

Heating tower apparatus and method with isolation of outlet and inlet air

#194
20060237859
2006-10-26

Steam injectors

#195
20060175721
2006-08-10

Steam injection heater with dual-sealing assembly

#196
20060144576
2006-07-06

Indirect evaporative cooling heat exchanger

#197
20060125127
2006-06-15

Heating tower apparatus and method with isolation of outlet and inlet air

#198
20060125124
2006-06-15

Collector sump cooling tower

#199
20060060994
2006-03-23

Heating tower apparatus and method with isolation of outlet and inlet air

#200
20060060993
2006-03-23

Heating tower apparatus and method with wind direction adaptation

#201
20050262864
2005-12-01

Indirect evaporative cooling heat exchanger

#202
20050225416
2005-10-13

System for cooling a power transformer

#203
20050194702
2005-09-08

Pressure blast pre-filming spray nozzle

#204
20050132722
2005-06-23

Method and apparatus for carbon dioxide accelerated reactor cooldown

#205
20050132721
2005-06-23

Method and apparatus for carbon dioxide accelerated unit cooldown

#206
20050095856
2005-05-05

Method for improving interlevel dielectric gap filling over semiconductor structures having high aspect ratios

#207
20050093183
2005-05-05

Cooling tower with high surface area packing

#208
20050091922
2005-05-05

Integrated fuel processor for rapid start and operational control

#209
20050016197
2005-01-27

Vertical counterflow evaporative cooler

#210
18325971
2024-02-06

Pressure relief valve and adsorbent chamber for two-phase immersion cooling systems and methods for using same

#211
15874845
2020-09-08

Adaptable container mounted cooling solution

#212
14103636
2015-03-03

Portable cooling device

#213
14034126
2019-08-27

Rooftop packaged heating, ventilating and air conditioning system utilizing phase change materials

#214
14014720
2016-05-17

Swamp cooler assembly

#215
13968725
2015-08-11

Evaporative cooler regulation system and method