ClassID:

161893

F28D7/024 - 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 tubes, the coils having a cylindrical configuration

Recent Application in this class:
#1
20250290710
2025-09-18

DRAIN WATER HEAT RECOVERY DEVICE, SYSTEM AND METHOD

#2
20250164191
2025-05-22

POLYMERIC TUBE-IN-SHELL HEAT EXCHANGER WITH TWISTED TUBES

#3
20250041914
2025-02-06

CLEANING APPLIANCE

#4
20240337448
2024-10-10

Heat Exchanger

#5
20240288223
2024-08-29

CONTROLLABLE INJECTION FOR IMPLEMENTING DIFFERENT LOCAL REFRIGERANT DISTRIBUTION

#6
20240240867
2024-07-18

WOUND HEAT EXCHANGER AND METHOD

#7
20240183618
2024-06-06

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

#8
20240142176
2024-05-02

HEAT EXCHANGER AND METHOD OF HEAT EXCHANGE

#9
20240117998
2024-04-11

A DEVICE FOR HEATING A MEDIUM AND AIR

#10
20230408209
2023-12-21

Thermochemical renewable energy storage

#11
20230358440
2023-11-09

BOILER FOR MAKING HOT WATER AND ROOM HEATING WATER AVAILABLE SIMULTANEOUSLY

#12
20230324127
2023-10-12

Efficient suction-line heat exchanger

#13
20230324125
2023-10-12

HEAT EXCHANGER AND USE THEREOF

#14
20230314093
2023-10-05

Heat tube for heat exchanger

#15
20230147084
2023-05-11

Mitigation of Shell-Side Liquid Maldistribution in Coil Wound Heat Exchanger Bundles

#16
20230110296
2023-04-13

POLYMERIC TUBE-IN-SHELL HEAT EXCHANGER WITH TWISTED TUBES

#17
20230047551
2023-02-16

HEAT EXCHANGER

#18
20220346270
2022-10-27

Heat sink and sink manufacturing method

#19
20220341684
2022-10-27

Condensation Heat Exchanger

#20
20220325958
2022-10-13

Helically coiled heat exchange array

#21
20220315842
2022-10-06

Atmospheric-vacuum heat exchange system having coil-wound heat exchangers, and heat exchange process

#22
20220299263
2022-09-22

Heat exchange system and method of assembly

#23
20220290894
2022-09-15

High efficiency tankless water heater

#24
20220219097
2022-07-14

PROCESS AND APPARATUS FOR HEATING STREAM FROM A SEPARATION VESSEL

#25
20220205728
2022-06-30

High-temperature fluid transporting pipeline with heat exchange apparatus installed therein, suitable heat exchange apparatus and heat exchange method

#26
20220196331
2022-06-23

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

#27
20220034595
2022-02-03

Wound heat exchanger, method for producing a wound heat exchanger and method for exchanging heat between a first fluid and a second fluid

#28
20220034594
2022-02-03

Intertwined coil heat exchanger

#29
20220011050
2022-01-13

Double tube for heat-exchange

#30
20210387296
2021-12-16

Method for producing a wound heat exchanger

#31
20210348850
2021-11-11

Coil wound heat exchanger

#32
20210325124
2021-10-21

System and operation for thermochemical renewable energy storage

#33
20210310753
2021-10-07

Support of heat exchangers made of wound tubes

#34
20210284580
2021-09-16

Methods and apparatus for conducting heat exchanger based reactions

#35
20210270535
2021-09-02

Directed decoupling between bundle and core tube in wound heat exchangers

#36
20210242748
2021-08-05

VARIABLE PITCH HELICAL COOLING JACKET

#37
20210190419
2021-06-24

Heat exchange system and method of assembly

#38
20210172683
2021-06-10

Compact thin-film heat recovery device for showers

#39
20210131701
2021-05-06

Heat exchange cell and method

#40
20210041179
2021-02-11

Heat exchanger

#41
20200393202
2020-12-17

Hot water storage tank and a diffuser

#42
20200386482
2020-12-10

Heat exchange cell and method

#43
20200284532
2020-09-10

Heat exchanger header with fractal geometry

#44
20200284520
2020-09-10

Double tube for heat exchange

#45
20200147568
2020-05-14

Autoclave system and method

#46
20200131746
2020-04-30

Shower system

#47
20200054963
2020-02-20

Continuous extraction unit and double phase change heat exchanger and method for continuous extraction

#48
20190293355
2019-09-26

Microchannel-type aluminum heat exchanger and method of manufacturing the same

#49
20190233336
2019-08-01

Methods and apparatus for conducting heat exchanger based reactions

#50
20190212062
2019-07-11

HELICAL COIL-ON-TUBE HEAT EXCHANGER

#51
20190195566
2019-06-27

Heat Exchanger Structure

#52
20190194557
2019-06-27

Coil-wound heat exchanger for hydrotreatment or hydroconversion

#53
20190194552
2019-06-27

Coil-wound heat exchanger for hydrotreatment or hydroconversion

#54
20190154359
2019-05-23

COMBUSTION HEATING APPARATUS

#55
20190137192
2019-05-09

Heat recovery apparatus and method

#56
20190137185
2019-05-09

Coiled heat exchanger having inserts between the shroud and the last pipe layer

#57
20190120560
2019-04-25

Counter flow heat exchanger

#58
20190120559
2019-04-25

Helically coiled heat exchanger

#59
20190120529
2019-04-25

CRYOGENIC DEVICE WITH COMPACT EXCHANGER

#60
20190107336
2019-04-11

HEAT EXCHANGER

#61
20190078842
2019-03-14

Separating device for coiled heat exchangers for separating a gaseous phase from a liquid phase of a two-phase medium conveyed on the jacket side

#62
20190063843
2019-02-28

INTERNALS IN A HELICALLY COILED HEAT EXCHANGER FOR SUPPRESSING GAS VORTICES

#63
20190049148
2019-02-14

Deflector for condensation heat exchanger and exchanger provided with such a deflector

#64
20190011191
2019-01-10

WITHDRAWAL/ INFEED OF GAS FOR INFLUENCING RADIAL LIQUID MIGRATION

#65
20190011150
2019-01-10

Heat exchanger

#66
20180347911
2018-12-06

Heat pump apparatus

#67
20180347870
2018-12-06

Device and method for cooling a liquid and use of the device as a component for a storage arrangement

#68
20180345353
2018-12-06

3D printed heat exchanger

#69
20180328671
2018-11-15

Heat exchanger

#70
20180320951
2018-11-08

Condenser and refrigerator having same

#71
20180292141
2018-10-11

HEAT EXCHANGER

#72
20180283794
2018-10-04

Tubular array heat exchanger

#73
20180279645
2018-10-04

Machine for liquid or semi-liquid food products

#74
20180274482
2018-09-27

STIRLING CYCLE MACHINE

#75
20180259266
2018-09-13

HEAT EXCHANGER

#76
20180245856
2018-08-30

HEAT EXCHANGER AND METHOD FOR DISTRIBUTING A LIQUID PHASE IN A HEAT EXCHANGER

#77
20180245844
2018-08-30

HEAT EXCHANGER AND METHOD FOR DISTRIBUTING A LIQUID PHASE IN A HEAT EXCHANGER

#78
20180238561
2018-08-23

Heat pump water heater

#79
20180236618
2018-08-23

Method for connecting tubes of a shell and tube heat exchanger to a tube bottom of the shell and tube heat exchanger

#80
20180231258
2018-08-16

IMPROVEMENTS IN SYSTEMS FOR HEATING WATER

#81
20180216868
2018-08-02

Liquid dispenser

#82
20180187980
2018-07-05

Heat recovery apparatus and method

#83
20180187384
2018-07-05

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

#84
20180178230
2018-06-28

METHOD AND SYSTEM FOR PREHEATING EPOXY COATINGS FOR SPRAY APPLICATION

#85
20180172313
2018-06-21

Profile of piping for a heat exchanger, heat exchanger for condensation boilers providing said profile, and condensation boiler providing said heat exchanger

#86
20180127661
2018-05-10

Radiant tube support system for fired heaters

#87
20180106550
2018-04-19

Heat Exchanger

#88
20180094867
2018-04-05

Air-liquid heat exchanger

#89
20180086634
2018-03-29

PROCESS FOR PREPARING A SYNGAS AND SYNGAS COOLING DEVICE

#90
20180058776
2018-03-01

MAIN HEAT EXCHANGER AND A PROCESS FOR COOLING A TUBE SIDE STREAM

#91
20180056456
2018-03-01

Cooling ring

#92
20180051934
2018-02-22

Heat exchangers with multiple flow channels

#93
20180046739
2018-02-15

Method for determining a strength of a tube bundle heat exchanger, and production method

#94
20180031334
2018-02-01

Cyclonic cooling system

#95
20170370655
2017-12-28

THERMAL BATTERY WITH ENCAPSULATED PHASE-CHANGE MATERIAL

#96
20170362073
2017-12-21

Cold-water generating tank, and water cooler equipped with same

#97
20170332513
2017-11-16

Heat exchanger

#98
20170328643
2017-11-16

Cyclonic condensing and cooling system

#99
20170307262
2017-10-26

METHOD FOR MOUNTING A HEAT EXCHANGER DEVICE AND A HEAT EXCHANGER DEVICE

#100
20170299275
2017-10-19

SYSTEMS AND METHODS TO INSULATE COMPONENTS OF INDUSTRIAL INFRASTRUCTURE

#101
20170248053
2017-08-31

Unit for feeding a reducing solution from the tank to the exhaust duct of an engine

#102
20170232865
2017-08-17

Thermal Management System for Fast Charge Battery Electric Vehicle

#103
20170219220
2017-08-03

Heat pump and heat exchanger heating system for a domestic hot water tank

#104
20170191762
2017-07-06

Heat exchanger for cooling medium temperature reduction

#105
20170175684
2017-06-22

Helical tube EGR cooler

#106
20170156378
2017-06-08

METHOD AND APPARATUS FOR PURIFYING LIQUID

#107
20170122675
2017-05-04

Heat exchange unit

#108
20170108281
2017-04-20

Heat exchanger and method of making the same

#109
20170106310
2017-04-20

Evaporator

#110
20170102164
2017-04-13

Heat exchange cell and method

#111
20170097194
2017-04-06

Heat exchanger and method of making the same

#112
20170074546
2017-03-16

Method of manufacturing a set of heat exchange cells and set of heat exchange cells thus obtained

#113
20170073879
2017-03-16

Condenser and cleaning device

#114
20170059258
2017-03-02

Pipe supporting system

#115
20170051955
2017-02-23

Cooling system with pressure control

#116
20170051246
2017-02-23

Temperature controlled support surfaces for single use flexible wall systems

#117
20170045275
2017-02-16

Heat exchanger

#118
20160377348
2016-12-29

Heat exchanger

#119
20160377201
2016-12-29

Method for fixing a tube to a connector, and connecting kit

#120
20160366918
2016-12-22

Systems and methods for heat exchange

#121
20160363384
2016-12-15

Molten-salt-heated indirect screw-type thermal processor

#122
20160320146
2016-11-03

Tubing for heat exchange, and a method for improving heat exchange

#123
20160290681
2016-10-06

Ground circuit in a low-energy system

#124
20160265808
2016-09-15

Heat exchanger, in particular for a condensation boiler

#125
20160245590
2016-08-25

Helical coil heating apparatus and method of operation

#126
20160230138
2016-08-11

Temperature controlling surfaces and support structures

#127
20160178293
2016-06-23

Methods and apparatus for cooling liquids in portable containers

#128
20160146541
2016-05-26

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

#129
20160138870
2016-05-19

Highly turbulent quench chamber

#130
20160131040
2016-05-12

Heat exchanger having a coaxial or concentric tube construction

#131
20160097375
2016-04-07

Supply assembly for a turbine of a solar thermodynamic system and solar thermodynamic system comprising said assembly

#132
20160091263
2016-03-31

Header of heat exchanger and heat exchanger provided with the same

#133
20160069617
2016-03-10

Heat recovery apparatus and method

#134
20160010891
2016-01-14

Water heater

#135
20150369548
2015-12-24

Method for controlling a temperature distribution in a heat exchanger

#136
20150361856
2015-12-17

Heat exchange unit

#137
20150322899
2015-11-12

Exhaust-gas heat exchanger with bypass pipe

#138
20150299641
2015-10-22

Temperature controlled support surfaces for single use flexible wall systems

#139
20150285561
2015-10-08

HEAT EXCHANGER

#140
20150204614
2015-07-23

Heat exchanger support

#141
20150196884
2015-07-16

Fluid recirculation system for use in vapor phase particle production system

#142
20150184614
2015-07-02

Linear cross-head bearing for stirling engine

#143
20150184571
2015-07-02

Exhaust heat recovery device

#144
20150152809
2015-06-04

Annular venturi burner for stirling engine

#145
20150144236
2015-05-28

Modular installation for the manufacture of an explosive emulsion precursor

#146
20150136374
2015-05-21

Steam generation

#147
20150136368
2015-05-21

Heat exchanger

#148
20150136021
2015-05-21

Method and system for preheating epoxy coatings for spray application

#149
20150121875
2015-05-07

Steam generation

#150
20150040751
2015-02-12

Stirling cycle machine

#151
20150007780
2015-01-08

Coil and serpentine bent fin tube condensing heat exchanger

#152
20150000873
2015-01-01

Spiral wound heat exchanger system with central pipe feeder

#153
20140318738
2014-10-30

Concentric helical coil key separator device and attachment therefor

#154
20140246166
2014-09-04

Subsea heat exchanger and method for temperature control

#155
20140216699
2014-08-07

Air conditioner and heat exchanger therefor

#156
20140209451
2014-07-31

Method and apparatus for making uniform and ultrasmall nanoparticles

#157
20140209279
2014-07-31

Indirect heat exchanger

#158
20140183863
2014-07-03

Heat exchanger for combustion engines including a housing containing a refractory tube within a dividing tube encircled by at least one coiled tube

#159
20140182282
2014-07-03

Floating rod seal for a stirling cycle machine

#160
20140165558
2014-06-19

Heat exchanger

#161
20140127365
2014-05-08

Systems and methods for heat exchange

#162
20140124181
2014-05-08

Coil tube heat exchanger for a tankless hot water system

#163
20140124180
2014-05-08

Coil tube heat exchanger for a tankless hot water system

#164
20140116663
2014-05-01

HEAT EXCHANGER

#165
20140116657
2014-05-01

INTERCOOLER HEAT EXCHANGER FOR EVAPORATIVE AIR CONDITIONER SYSTEM

#166
20140116081
2014-05-01

SELF-CONTAINED EVAPORATIVE AIR CONDITIONER SYSTEM

#167
20140102681
2014-04-17

Apparatus for Cooling Beverages

#168
20140090827
2014-04-03

Heat exchanger and production method thereof

#169
20140082880
2014-03-27

Systems and methods for transferring heat and/or sound during fluid extraction and/or cleaning processes

#170
20140076293
2014-03-20

Heat exchanger

#171
20140076292
2014-03-20

Heat exchanger

#172
20140060786
2014-03-06

Dual pipe for heat exchange

#173
20140054015
2014-02-27

Heat exchanger and method for its manufacture

#174
20140014305
2014-01-16

Heat exchanger

#175
20140014300
2014-01-16

Support mechanism for a heat exchanger in an air-conditioning system

#176
20140007569
2014-01-09

Isothermal machines, systems and methods

#177
20140000235
2014-01-02

Stirling cycle machine with airlock pressure regulator and burner controls

#178
20130316896
2013-11-28

Nano-skeletal catalyst

#179
20130313482
2013-11-28

Heat exchanger for the cooling of hot gases and heat exchange system

#180
20130277022
2013-10-24

Helical tube EGR cooler

#181
20130269917
2013-10-17

Heat recovery system, its heat recovery process and use

#182
20130228321
2013-09-05

Nested helical fin tube coil and associated manufacturing methods

#183
20130206357
2013-08-15

Cooling apparatus and method using a vacuum pump

#184
20130139492
2013-06-06

Heat exchange unit

#185
20130121671
2013-05-16

Heating system having plasma heat exchanger

#186
20130118719
2013-05-16

Dual-chamber heat exchanger

#187
20130112384
2013-05-09

Heat exchanger

#188
20130112371
2013-05-09

Exhaust gas heat recovery heat exchanger having a lobed tube coil

#189
20130112155
2013-05-09

Water heater and method of operating

#190
20130111947
2013-05-09

Rebalancing a main heat exchanger in a process for liquefying a tube side stream

#191
20130089925
2013-04-11

Temperature controlling surfaces and support structures

#192
20130081537
2013-04-04

Hollow fiber apparatus and use thereof for fluids separations and heat and mass transfers

#193
20130075067
2013-03-28

ENERGY TRANSFER UNIT

#194
20130068431
2013-03-21

Main heat exchanger and a process for cooling a tube side stream

#195
20130031923
2013-02-07

Condenser coil holder for water heater

#196
20130025836
2013-01-31

HELICAL COIL-ON-TUBE HEAT EXCHANGER

#197
20130014922
2013-01-17

Coiled Heat Exchanger Having Different Materials

#198
20120318474
2012-12-20

GROUND CIRCUIT IN A LOW-ENERGY SYSTEM

#199
20120318017
2012-12-20

SYSTEM AND METHOD FOR CRYOGENIC CONDENSING

#200
20120312514
2012-12-13

Dense twisted bundle heat exchanger

#201
20120312513
2012-12-13

Hot fluid production device including a condensing heat exchanger

#202
20120305847
2012-12-06

HEAT EXCHANGER AND METHOD OF OPERATING A HEAT EXCHANGER

#203
20120285548
2012-11-15

LONG COOL-DOWN TUBE WITH AIR INPUT JOINTS

#204
20120279690
2012-11-08

FLEXIBLY ADJUSTABLE HEAT EXCHANGER FOR A MOTOR VEHICLE AIR CONDITIONING SYSTEM

#205
20120261103
2012-10-18

Heat exchanger with central pipe and ring channel

#206
20120261089
2012-10-18

Heat exchanger with additional liquid control in shell space

#207
20120261088
2012-10-18

Heat exchanger with sections

#208
20120240852
2012-09-27

System for applying metal particulate with hot pressurized air using a venturi chamber and a helical channel

#209
20120205073
2012-08-16

Method and device for recovering heat from intermittently and briefly released blow-off steam charge

#210
20120199331
2012-08-09

Shell-and-tube heat exchangers with foam heat transfer units

#211
20120199330
2012-08-09

Staged graphite foam heat exchangers

#212
20120193074
2012-08-02

Tube register for indirect heat exchange

#213
20120193072
2012-08-02

HEAT EXCHANGER

#214
20120192813
2012-08-02

Water heating system

#215
20120186782
2012-07-26

BEER CHILLING DEVICE

#216
20120175098
2012-07-12

Systems and methods to insulate components of industrial infrastructure

#217
20120174605
2012-07-12

LIQUID-COOLED HEAT EXCHANGER IN A VAPOR COMPRESSION REFRIGERATION SYSTEM

#218
20120144814
2012-06-14

Exhaust heat recovery apparatus for vehicle

#219
20120138277
2012-06-07

HEAT EXCHANGER

#220
20120138268
2012-06-07

Combined cooling of lube/seal oil and sample coolers

#221
20120118335
2012-05-17

PRESSURE WASH SYSTEM

#222
20120103279
2012-05-03

METHOD AND APPARATUS FOR DRAINING CONDENSATE FROM A GAS WATER HEATER EXHAUST SYSTEM

#223
20120091226
2012-04-19

Method and system for preheating epoxy coatings for spray application

#224
20120060773
2012-03-15

Dugout heating system

#225
20120060534
2012-03-15

HEAT PUMP WATER HEATER

#226
20120055421
2012-03-08

Sectional Boiler

#227
20120055195
2012-03-08

Internal heat exchanger assembly having an internal bleed valve assembly

#228
20120048527
2012-03-01

Steam generator

#229
20120048259
2012-03-01

SOLAR INSTALLATION

#230
20120045373
2012-02-23

METHOD AND APPARATUS FOR MAKING RECYCLABLE CATALYSTS

#231
20120036886
2012-02-16

Internal heat exchanger for a motor vehicle air-conditioning system

#232
20110289905
2011-12-01

EXHAUST GAS HEAT RECOVERY HEAT EXCHANGER

#233
20110272123
2011-11-10

Spiral heat exchanger for hydrodesulfurizer feedstock

#234
20110247354
2011-10-13

UNDERGROUND HEAT EXCHANGER AND AIR CONDITIONING SYSTEM INCLUDING THE SAME

#235
20110226341
2011-09-22

DEVICE AND METHOD FOR REUSING GREYWATER

#236
20110192425
2011-08-11

Method and system for preheating epoxy coatings for spray application

#237
20110162824
2011-07-07

HEAT RECOVERY APPARATUS

#238
20110155366
2011-06-30

GREY WATER HEAT RECOVERY SYSTEM

#239
20110155079
2011-06-30

Heat exchanger and water heater incorporating the same

#240
20110154838
2011-06-30

HEAT EXCHANGE SYSTEM

#241
20110126583
2011-06-02

LIQUID CO2 PASSIVE SUBCOOLER

#242
20110108238
2011-05-12

High-efficiency enhanced boiler

#243
20110067650
2011-03-24

WATER HEATER MODULE HAVING DETACHABLE HEAT EXCHANGER

#244
20110041781
2011-02-24

Coil tube heat exchanger for a tankless hot water system

#245
20110041689
2011-02-24

Off gas purification

#246
20110030920
2011-02-10

Heat Sink Structure

#247
20110030674
2011-02-10

ENERGY GENERATING ROOF SYSTEM

#248
20110024080
2011-02-03

Heat Exchanger

#249
20110024077
2011-02-03

HEAT EXCHANGER AND AIR CONDITIONING SYSTEM

#250
20110011572
2011-01-20

Helical tube bundle arrangements for heat exchangers

#251
20110011078
2011-01-20

Stirling cycle machine

#252
20110006463
2011-01-13

Gas delivery system with constant overpressure relative to ambient to system with varying vacuum suction

#253
20100322830
2010-12-23

Autoclave waste fluid disposal device

#254
20100319890
2010-12-23

Heat Exchange Assembly and Method

#255
20100319378
2010-12-23

Hot-water storage type hot-water supply device and hot-water storage type heating and hot-water supply device

#256
20100300751
2010-12-02

Motor cooling radiators for use in downhole environments

#257
20100252228
2010-10-07

Geothermal System

#258
20100236750
2010-09-23

HEAT EXCHANGE SYSTEM

#259
20100200080
2010-08-12

Systems and methods for transferring heat and/or sound during fluid extraction and/or cleaning processes

#260
20100181045
2010-07-22

HEAT EXCHANGER

#261
20100173058
2010-07-08

System for pasteurizing animal food

#262
20100126705
2010-05-27

HEATING AND HOT WATER SUPPLY APPARATUS

#263
20100126432
2010-05-27

Heat recovery device

#264
20100115970
2010-05-13

THERMAL MANAGEMENT APPARATUS FOR GAS STORAGE

#265
20100096115
2010-04-22

Multiple concentric cylindrical co-coiled heat exchanger

#266
20100089550
2010-04-15

Process and apparatus for transferring heat from a first medium to a second medium

#267
20100059205
2010-03-11

Cooling arrangement for conveyors and other applications

#268
20100058800
2010-03-11

Air conditioning apparatus

#269
20100044011
2010-02-25

HEATING DEVICE

#270
20100043464
2010-02-25

Heat Pump and Method of Heating Fluid

#271
20100043413
2010-02-25

Exhaust heat recovery system

#272
20100028218
2010-02-04

PROCESS AND DEVICE FOR COOLING INORGANIC PIGMENT

#273
20100018246
2010-01-28

Internal heat exchanger assembly

#274
20100017952
2010-01-28

Spa having heat pump system

#275
20100012293
2010-01-21

Heat Pump Liquid Heater

#276
20100006668
2010-01-14

PRESSURE WASHER WITH HEAT TRANSFER UNIT FOR HOT WATER DISCHARGE

#277
20100005833
2010-01-14

Coiled heat exchanger having different materials

#278
20090301695
2009-12-10

CONTROL HEAT EXCHANGER

#279
20090301130
2009-12-10

Mass transfer or heat-exchange column with mass transfer or heat-exchange areas, such as tube bundles, that are arranged above one another

#280
20090277618
2009-11-12

CONDENSATE HEAT EXCHANGER

#281
20090266509
2009-10-29

Heat Exchanger Element and a Water Heater and Heat Pump Utilizing Same

#282
20090236084
2009-09-24

Apparatus for cooling a hot gas

#283
20090224025
2009-09-10

Branch connection stub, a branch connection device comprising a main pipe and said branch connection stub, and a method of connecting such a branch connection stub by welding

#284
20090223863
2009-09-10

Coil piping system for reactor vessel

#285
20090211294
2009-08-27

FROZEN PRODUCT MACHINE

#286
20090188658
2009-07-30

Compact helical heat exchanger with stretch to maintain airflow

#287
20090183860
2009-07-23

Heat exchanger device and NMR installation that comprises such a device

#288
20090152183
2009-06-18

Disinfection System Improvements

#289
20090139688
2009-06-04

WASTE WATER DRAIN HEAT EXCHANGER PREHEATING COLD WATER SUPPLY TO A THERMOSTATIC CONTROL VALVE

#290
20090120616
2009-05-14

Energy re-claimer

#291
20090107656
2009-04-30

Heat exchange system with two single closed loops

#292
20090104486
2009-04-23

Fuel cell system

#293
20090095235
2009-04-16

HEAT EXCHANGER FOR A COMBINED BOILER, AND COMBINED BOILER USING SAID HEAT EXCHANGER

#294
20090071639
2009-03-19

HEAT EXCHANGER

#295
20090061098
2009-03-05

Method and system for preheating epoxy coatings for spray application

#296
20090032224
2009-02-05

HEAT EXCHANGER

#297
20090020265
2009-01-22

Heat exchanger

#298
20080314064
2008-12-25

Air conditioning system with selective regenerative thermal energy feedback control

#299
20080302520
2008-12-11

Heat Exchanger

#300
20080296004
2008-12-04

Wound heat exchanger with anti-drumming walls