ClassID:

159152

F25B30/06 - CPC Classification

Classification description:

Heat pumps characterised by the source of low potential heat

Recent Application in this class:
#1
20250244057
2025-07-31

HEAT PUMP, SYSTEMS, AND METHODS FOR OPERATING THE SAME

#2
20250237219
2025-07-24

SYSTEMS AND METHODS FOR IMPROVING THE PERFORMANCE OF A GAS-DRIVEN GENERATOR USING A PHASE CHANGE REFRIGERANT

#3
20250116435
2025-04-10

THERMAL STORAGE ABSORPTION REFRIGERATION UNIT

#4
20250043775
2025-02-06

BUILDING WITH INTEGRATED ENERGY GENERATION AND STORAGE

#5
20250020365
2025-01-16

SYSTEM FOR UTILIZING WASTE HEAT OF DATA CENTER

#6
20250003649
2025-01-02

HEAT PUMP

#7
20240238720
2024-07-18

SYSTEMS AND METHODS TO INTEGRATE GEOTHERMAL HEAT PUMPS AND MEMBRANE SEPARATION UNITS

#8
20240151433
2024-05-09

Control Method and Apparatus for Compression System, and Air Energy Heat Pump Water Heater

#9
20240044522
2024-02-08

METHODS AND SYSTEMS AND APPARATUS TO SUPPORT REDUCED ENERGY AND WATER USAGE

#10
20240040737
2024-02-01

UPTURNED ELECTRIC CONTROL BOX MOUNTING STRUCTURE AND HEAT PUMP DEVICE APPLYING SAME

#11
20240003600
2024-01-04

Heat pump with corner interface

#12
20240003599
2024-01-04

HEAT PUMP WITH SLIDING INTERFACE

#13
20230324095
2023-10-12

System and Method for Controlling a Heat Pump

#14
20230251002
2023-08-10

COLD HEAT RECOVERY SYSTEM AND MARINE VESSEL OR FLOATING BODY

#15
20230243556
2023-08-03

Heat pump system and method for implementing efficient evaporation by using geothermal well

#16
20230221047
2023-07-13

SYSTEMS AND METHODS FOR VAPOR COMPRESSION REFRIGERATION USING A CONDENSER APPARATUS

#17
20230103235
2023-03-30

HIGH-COP HEAT PUMP WITH THERMOCHEMICAL STORAGE SYSTEM

#18
20220349629
2022-11-03

System and method of pumped heat energy storage

#19
20220333826
2022-10-20

GEOTHERMAL HEAT EXCHANGER

#20
20220333603
2022-10-20

Gas-driven generator system comprising an elongate gravitational distribution conduit coupled with a gas injection system

#21
20220316771
2022-10-06

Method and apparatus for expelling heat

#22
20220316483
2022-10-06

Systems and methods for improving the performance of air-driven generators using solar thermal heating

#23
20220307738
2022-09-29

Geothermal heat system having reduced heat source residual heat of geothermal heat pump

#24
20220299215
2022-09-22

Water source heat pump dual functioning condensing coil

#25
20220178589
2022-06-09

Method of deploying a heat exchanger pipe

#26
20210348806
2021-11-11

Split expansion heat pump cycle

#27
20210341181
2021-11-04

HVAC on demand via high and low pressure vortex separation apparatus with rotating spin chamber

#28
20210340906
2021-11-04

GASEOUS FLUID COMPRESSION WITH ALTERNATING REFRIGERATION AND MECHANICAL COMPRESSION

#29
20210293421
2021-09-23

METHOD AND ARRANGEMENT IN CONNECTION WITH A BUILDING

#30
20210278098
2021-09-09

Heat Pump Interface

#31
20210270501
2021-09-02

GEOTHERMAL-READY HEAT PUMP SYSTEM

#32
20210215411
2021-07-15

Heat exchanger, heat pump system and method for heat exchange

#33
20210164708
2021-06-03

SYSTEM, AN ARRANGEMENT AND METHOD FOR HEATING AND COOLING

#34
20210148614
2021-05-20

Heat pump system utilizing domestic water

#35
20210123643
2021-04-29

Grid interactive water heater

#36
20210080157
2021-03-18

SYSTEMS AND METHODS FOR VAPOR COMPRESSION REFRIGERATION USING A CONDENSER APPARATUS

#37
20210071918
2021-03-11

System and method of pumped heat energy storage

#38
20210010724
2021-01-14

MAGNETIC WORK BODY UNIT AND MAGNETIC HEAT PUMP DEVICE USING SAME

#39
20200393174
2020-12-17

Gas heat pump system

#40
20200393173
2020-12-17

Heat pump utilizing thermal energy storage

#41
20200340718
2020-10-29

GEOTHERMAL HEAT PUMP FREEZE PROTECTION WITH ELECTRIC HEATER STAGING

#42
20200326084
2020-10-15

Trench-conformable geothermal heat exchange reservoirs and related methods and systems

#43
20200318867
2020-10-08

Cycle enhancement methods, systems, and devices

#44
20200309422
2020-10-01

METHOD FOR OPERATING A HEAT PUMP SYSTEM, HEAT PUMP SYSTEM AND HVAC SYSTEM

#45
20200292215
2020-09-17

Condensate removal system for cold-climate heat pumps

#46
20200278135
2020-09-03

Intelligent heat pump system having dual heat exchanger structure

#47
20200263881
2020-08-20

Heat pump system and method for controlling a heat pump system

#48
20200256594
2020-08-13

SUPPLEMENTAL HEAT TRANSFER APPARATUS FOR GEOTHERMAL SYSTEMS

#49
20200240664
2020-07-30

Smart desert geothermal heat pump for air conditioning and domestic water cooling

#50
20200200448
2020-06-25

HEAT PUMP SYSTEM

#51
20200173699
2020-06-04

Device and method for increasing the thermal output of a heat source

#52
20200166291
2020-05-28

LATENT HEAT STORAGE SYSTEM HAVING A LATENT HEAT STORAGE DEVICE AND METHOD FOR OPERATING A LATENT HEAT STORAGE SYSTEM

#53
20200166044
2020-05-28

Hydrodynamic heater pump

#54
20200149790
2020-05-14

Heat pump system

#55
20200149788
2020-05-14

Device and Method for Increasing the Heat Yield of a Heat Source

#56
20200143978
2020-05-07

Actively cooled infrastructure side of an inductive charging system

#57
20200141615
2020-05-07

Heat pump arrangement having a controllable heat exchanger and method for producing a heat pump arrangement

#58
20200141596
2020-05-07

SYSTEM FOR CONDITIONING AIR OF A BUILDING

#59
20200116397
2020-04-16

Method of controlling heat exchange device, heat exchange device, and water-cooled type heat pump device

#60
20200072199
2020-03-05

System for the non conventional production of electrical power from a geothermal source and relevant party

#61
20200064032
2020-02-27

HIGH-EFFICIENCY ABSORPTION HEAT PUMP SYSTEM HAVING INCREASED UTILIZATION RATE OF WASTE HEAT SOURCE

#62
20200033014
2020-01-30

Concentric pipe geothermal heat exchanger well head

#63
20190383530
2019-12-19

HEAT EXCHANGER AND MAGNETIC HEAT PUMP DEVICE

#64
20190352551
2019-11-21

Dry cooling systems using thermally induced polymerization

#65
20190352193
2019-11-21

Device for the Purification of Water Using a Heat Pump

#66
20190351739
2019-11-21

Heat pump for automobile

#67
20190331371
2019-10-31

METHOD AND DEVICE FOR SEVERAL SMALL HOUSES

#68
20190323704
2019-10-24

Heat pump system for producing steam by using recuperator

#69
20190301776
2019-10-03

Heat Source Optimization System

#70
20190285319
2019-09-19

Magnetic Heat Pump Device

#71
20190257558
2019-08-22

Hot water and energy storage

#72
20190234190
2019-08-01

Geothermal heat recovery device and geothermal heat recovery device operating method

#73
20190219311
2019-07-18

Cooling electronic devices installed in a subsurface environment

#74
20190218968
2019-07-18

Gaseous fluid compression with alternating refrigeration and mechanical compression using a first and second bank of compression coupled with first and second cascading heat pump intercoolers having a higher and a lower temperature section

#75
20190186793
2019-06-20

Ionic air cooling device

#76
20190162451
2019-05-30

Thermal And Moisture Enhanced Gradient Strata For Heat Exchangers

#77
20190154288
2019-05-23

Method and system for controlling the heating and cooling requirements in a modular heat energy network

#78
20190145666
2019-05-16

Method of deploying a heat exchanger pipe

#79
20190107300
2019-04-11

Water source heat pump dual functioning condensing coil

#80
20190049159
2019-02-14

Heat pump system and cooling generation method

#81
20190003752
2019-01-03

Chemical heat pump with multi-channel membrane reactor

#82
20180372337
2018-12-27

Cogeneration systems and methods for generating heating and electricity

#83
20180372334
2018-12-27

Cogeneration systems and methods for generating heating and electricity

#84
20180372333
2018-12-27

Cogeneration systems and methods for generating heating and electricity

#85
20180363957
2018-12-20

Method and device for generation of electric power and cold using low-potential heat sources

#86
20180336775
2018-11-22

Heat pump system and method for monitoring valve leaks in a heat pump system

#87
20180335219
2018-11-22

Heat pump system and method for controlling a heat pump system

#88
20180328633
2018-11-15

Supplemental heat transfer apparatus for geothermal systems

#89
20180328598
2018-11-15

Heat pump system and method for controlling a heat pump system

#90
20180320907
2018-11-08

Heat pump network

#91
20180283799
2018-10-04

Geothermal heat utilization system and geothermal heat utilization method

#92
20180283745
2018-10-04

Cycle enhancement methods, systems, and devices

#93
20180259203
2018-09-13

Independent temperature and humidity processing air conditioning system driven by low-level thermal energy

#94
20180257501
2018-09-13

Charging station

#95
20180252445
2018-09-06

HEAT EXCHANGER AND MAGNETIC HEAT PUMP DEVICE

#96
20180231265
2018-08-16

Gravity-assisted heat pipe ground cooling source cold storage system and chiller set

#97
20180209714
2018-07-26

Energy efficient refrigerated room with optionally associated geothermal earth loop system

#98
20180209689
2018-07-26

Heat utilizing apparatus

#99
20180195778
2018-07-12

Hybrid Residential Ground-Coupled Heat Pump

#100
20180187931
2018-07-05

Heat source optimization system

#101
20180172318
2018-06-21

Induced groundwater flow closed loop geothermal system

#102
20180172295
2018-06-21

Trench-conformable geothermal heat exchange reservoirs and related methods and systems

#103
20180156507
2018-06-07

GEOTHERMAL SYSTEM FOR HEATING WATER

#104
20180156506
2018-06-07

Integrated Power, Cooling, and Heating Device and Method Thereof

#105
20170370622
2017-12-28

Two-stage heating geothermal system using geothermal energy

#106
20170319980
2017-11-09

Wet evaporation-based cold concentration system

#107
20170307265
2017-10-26

Refrigeration appliance with a heat exchanging element

#108
20170306802
2017-10-26

Dry cooling system using thermally induced vapor polymerization

#109
20170284714
2017-10-05

HEAT EXCHANGER AND REFRIGERATION CYCLE APPARATUS INCLUDING THE SAME

#110
20170227299
2017-08-10

Plural heat pump and thermal storage system for facilitating power shaping services on the electrical power grid at consumer premises

#111
20170219220
2017-08-03

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

#112
20170184329
2017-06-29

Hybrid solar heat absorption cooling system

#113
20170131005
2017-05-11

Heat pump heating-cooling system using hybrid heat source and control method thereof

#114
20170081806
2017-03-23

Heating device

#115
20170067692
2017-03-09

Heat exchanger for low temperatures

#116
20170067652
2017-03-09

Hybrid heat pump system

#117
20170016653
2017-01-19

HYBRID HEAT PUMP SYSTEM

#118
20170000310
2017-01-05

Conveyor ware washer, in particular industrial conveyor ware washer

#119
20160370122
2016-12-22

Electric power peak-shaving and combined heat and power waste heat recovery device and operation method thereof

#120
20160368781
2016-12-22

WASTE FILTRATION SYSTEM

#121
20160356531
2016-12-08

Bi-directional cascade heat pump system

#122
20160356530
2016-12-08

Bi-directional cascade heat pump system

#123
20160326418
2016-11-10

Low GWP fluids for high temperature heat pump applications

#124
20160305694
2016-10-20

VALVE FOR CHANGING OVER THE HEAT FLOWS OF A HEAT PUMP, TAKING INTO ACCOUNT THE FLOW DIRECTION REVERSAL IN A HEAT EXCHANGER CONNECTED DURING HEATING OPERATION TO THE SOURCE SIDE OF THE HEAT PUMP

#125
20160298896
2016-10-13

Energy efficient refrigerated room with optionally associated geothermal earth loop system

#126
20160290726
2016-10-06

Enhancing performance of air source heat pump systems

#127
20160290685
2016-10-06

HEAT STORAGE AND RELEASE UNIT, CHEMICAL HEAT PUMP, AND NON-ELECTRIFIED COOLING UNIT

#128
20160245565
2016-08-25

Modular Heat Recovery System

#129
20160231011
2016-08-11

Soil infrastructure systems for sustainable and integrated economic and environmental performance

#130
20160195314
2016-07-07

Heat pump, small power station and method of pumping heat

#131
20160146517
2016-05-26

HEAT RECOVERY AND UPGRADING METHOD AND COMPRESSOR FOR USING IN SAID METHOD

#132
20160146482
2016-05-26

Trench-conformable geothermal heat exchange reservoirs and related methods and systems

#133
20160146058
2016-05-26

Method for energy saving

#134
20160123604
2016-05-05

Ground source heat pump integrated controller and method of achieving same

#135
20160109139
2016-04-21

Heat pump

#136
20160003504
2016-01-07

Heat pump system using waste heat and heat engine-driven vapor compression heat pump system

#137
20150345838
2015-12-03

GEOTHERMAL HEAT PUMP SYSTEM

#138
20150345806
2015-12-03

Hot and cold temperature supply device

#139
20150267941
2015-09-24

Heat pump device with simultaneous use of air and geothermal heat sources

#140
20150219371
2015-08-06

Refrigeration cycle apparatus

#141
20150219370
2015-08-06

Heat pump apparatus

#142
20150217625
2015-08-06

Heat pump system for vehicle

#143
20150153075
2015-06-04

System and method for cooling power electronics using heat sinks

#144
20150135744
2015-05-21

Combination air and ground source heating and/or cooling system

#145
20150114019
2015-04-30

Heat pump system using latent heat

#146
20150114018
2015-04-30

VISCOUS HEATER FOR HEAT PUMP SYSTEM

#147
20150083362
2015-03-26

District public water supply pipe network system compatible for source side water for ground source heat pump system and reclaomed water

#148
20150075214
2015-03-19

Liquefier for a heat pump and heat pump

#149
20150064408
2015-03-05

Method for manufacturing shaped product with maintained isotrophy

#150
20150000319
2015-01-01

Cooling electronic devices installed in a subsurface environment

#151
20140352916
2014-12-04

Geothermal heating and cooling system

#152
20140311174
2014-10-23

Sub-surface insulation and well depth reduction for DX geothermal heat pump and refrigeration system

#153
20140284275
2014-09-25

Zero emission dialysis clinic

#154
20140166232
2014-06-19

Optimized heating and cooling system

#155
20140123644
2014-05-08

Heat-electricity combined production system that utilizes solar energy and geothermal heat

#156
20140075970
2014-03-20

Integrated power, cooling, and heating device and method thereof

#157
20140069607
2014-03-13

Energy efficient cooling and heating system

#158
20140026568
2014-01-30

Trench-conformable geothermal heat exchange reservoirs and related methods and systems

#159
20130338835
2013-12-19

Cogeneration system and process for determining whether to use cogeneration

#160
20130333859
2013-12-19

GEOTHERMAL COLUMN

#161
20130327497
2013-12-12

METHOD OF HEATING/COOLING STRUCTURE USING GEOTHERMAL SYSTEM

#162
20130306268
2013-11-21

Methods and components for thermal energy storage

#163
20130255292
2013-10-03

System and method for cooling power electronics using heat sinks

#164
20130192286
2013-08-01

HIGH EFFICIENCY ENERGY TRANSFER FROM WASTE WATER TO BUILDING HEATING AND COOLING SYSTEMS

#165
20130133349
2013-05-30

Vacuum assisted ground source heat pump device and system

#166
20130118172
2013-05-16

Thermal engine capable of utilizing low temperature sources of heat

#167
20130047638
2013-02-28

DRYER APPLIANCE WITH ACCELERATED REFRIGERANT CYCLE

#168
20120291453
2012-11-22

Magnetic heat pump apparatus

#169
20120282032
2012-11-08

Geothermal flexible conduit loop single pass installation system for dense soils and rock

#170
20120279681
2012-11-08

District Energy Sharing System

#171
20120279253
2012-11-08

System and method for purifying a first liquid content and simultaneously heating a second liquid content

#172
20120279250
2012-11-08

Heat pump according to the adsorption principle

#173
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

#174
20120211210
2012-08-23

COAXIAL-FLOW HEAT TRANSFER STRUCTURE

#175
20120198877
2012-08-09

Heat pump for heat source power recovering secondary solar for subtropical climates

#176
20120125019
2012-05-24

SELF SUSTAINING ENERGY SYSTEM FOR A BUILDING

#177
20120073319
2012-03-29

CO2 REFRIGERATION SYSTEM FOR ICE-PLAYING SURFACES

#178
20120037335
2012-02-16

UNDERGROUND HEAT EXCHANGER AND AIR CONDITIONING SYSTEM INCLUDING THE SAME

#179
20120000221
2012-01-05

ABSORPTION HEAT PUMP SYSTEM AND METHOD OF USING THE SAME

#180
20110308268
2011-12-22

Geothermal Exchange Module and a Method of use with an Augmented Water Temperature System

#181
20110308245
2011-12-22

Thermal engine capable of utilizing low-temperature sources of heat

#182
20110259547
2011-10-27

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

#183
20110252835
2011-10-20

Heat pump (server) coupled washer and dryer pair

#184
20110197599
2011-08-18

Thermal energy system and method of operation

#185
20110192176
2011-08-11

AIR CONDITIONER AND CONTROL METHOD THEREOF

#186
20110154838
2011-06-30

HEAT EXCHANGE SYSTEM

#187
20110146321
2011-06-23

HEAT PUMP SYSTEM

#188
20110146317
2011-06-23

Bi-directional cascade heat pump system

#189
20110114284
2011-05-19

OPTIMIZING THE EFFICIENCY AND ENERGY USAGE OF A GEOTHERMAL MULTIPLE HEAT PUMP SYSTEM

#190
20110108233
2011-05-12

Heating and cooling network for buildings

#191
20110107789
2011-05-12

Liquefier for a heat pump and heat pump

#192
20110107787
2011-05-12

Vertically arranged heat pump and method of manufacturing the vertically arranged heat pump

#193
20110100588
2011-05-05

DX system interior heat exchanger defrost design for heat to cool mode

#194
20110056234
2011-03-10

Thermal solar energy collector for producing heat and/or cooling

#195
20110056227
2011-03-10

HEAT RECOVERY SYSTEM OF PLANT USING HEAT PUMP

#196
20110048049
2011-03-03

HEAT EXCHANGER AND AIR CONDITIONING SYSTEM

#197
20110041536
2011-02-24

Heat exchange system

#198
20110036100
2011-02-17

Heat pump

#199
20110024077
2011-02-03

HEAT EXCHANGER AND AIR CONDITIONING SYSTEM

#200
20110005257
2011-01-13

GEOTHERMAL HEAT PUMP SYSTEM HAVING A DOWNFLOW APPLIANCE CABINET

#201
20100305918
2010-12-02

Ground-Coupled Heat Exchange for Heating and Air Conditioning Applications

#202
20100281907
2010-11-11

Heat pump device

#203
20100252229
2010-10-07

Geothermal energy system

#204
20100252228
2010-10-07

Geothermal System

#205
20100251734
2010-10-07

PLANT FOR HEAT-REGULATING A FIRST FLUID AND A SECOND FLUID USED FOR AIR-CONDITIONING PREMISES

#206
20100242517
2010-09-30

Solar Photovoltaic Closed Fluid Loop Evaporative Tower

#207
20100236750
2010-09-23

HEAT EXCHANGE SYSTEM

#208
20100236266
2010-09-23

Geothermal Heating and Cooling System

#209
20100229578
2010-09-16

Air conditioning system for a motor vehicle

#210
20100147965
2010-06-17

Heat pump, small power station and method of pumping heat

#211
20100139886
2010-06-10

System and method for geothermal conduit loop in-ground installation and soil penetrating head therefor

#212
20100077779
2010-04-01

AIR-SOURCE HEAT PUMP

#213
20100064709
2010-03-18

Heat pump assembly

#214
20100064697
2010-03-18

Heat pump comprising a cooling mode

#215
20100038441
2010-02-18

ENERGY SYSTEM WITH A HEAT PUMP

#216
20090294097
2009-12-03

Method and Apparatus for Heating or Cooling

#217
20090272137
2009-11-05

Oil return for a direct exchange geothermal heat pump

#218
20090260378
2009-10-22

DX system having heat to cool valve

#219
20090250200
2009-10-08

Coaxial-flow heat transfer structures for use in diverse applications

#220
20090211727
2009-08-27

Heat tube device utilizing cold energy and application thereof

#221
20090211282
2009-08-27

Hot water supply system

#222
20090183697
2009-07-23

EXHAUST HEAT RECOVERY SYSTEM

#223
20090133424
2009-05-28

Direct exchange system design improvements

#224
20090120120
2009-05-14

DX system with filtered suction line, low superheat, and oil provisions

#225
20090107656
2009-04-30

Heat exchange system with two single closed loops

#226
20090095442
2009-04-16

Advanced DX system design improvements

#227
20090084518
2009-04-02

PIPE AND SYSTEM FOR UTILIZING LOW-ENERGY

#228
20090065173
2009-03-12

Direct exchange heating/cooling system

#229
20090000318
2009-01-01

ENVIRONMENTALLY FRIENDLY HEATPUMP SYSTEM

#230
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

#231
20080209933
2008-09-04

System for exchanging heat within an environment using a coaxial-flow heat exchanging structure with helically-finned tubing

#232
20080203179
2008-08-28

HOT WATER AND HEATING SYSTEM OPERATING ON THE BASIS OF RENEWABLE ENERGY CARRIERS

#233
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

#234
20080185135
2008-08-07

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

#235
20080185122
2008-08-07

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

#236
20080173425
2008-07-24

Multi-faceted designs for a direct exchange geothermal heating/cooling system

#237
20080148758
2008-06-26

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

#238
20080083220
2008-04-10

Space heating and cooling system having a co-generator drive a geothermal, connected heat pump

#239
20080073058
2008-03-27

Double-pipe geothermal water circulating apparatus

#240
20070295477
2007-12-27

Geothermal Exchange System Using A Thermally Superconducting Medium With A Refrigerant Loop

#241
20070266722
2007-11-22

In-ground geothermal heat pump system

#242
20070245759
2007-10-25

Heat pump that evaporates water as a working liquid to generate a working vapor

#243
20070235179
2007-10-11

Building source heat pump

#244
20070214815
2007-09-20

Integrated Thermal System

#245
20070205298
2007-09-06

Hybrid heating and/or cooling system

#246
20070199341
2007-08-30

Water sump structure

#247
20070151280
2007-07-05

Heat Pump Dehumidification System

#248
20070089447
2007-04-26

Direct exchange geothermal heating/cooling system sub-surface tubing installation with supplemental sub-surface tubing configuration

#249
20070074847
2007-04-05

Encasement assembly for installation of sub-surface refrigerant tubing in a direct exchange heating/cooling system

#250
20070068184
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Heat equilibration system and method

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