ClassID:

161990

F28D20/0052 - CPC Classification

Classification description:

Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups or using the ground body or aquifers as heat storage medium

Recent Application in this class:
#1
20250137732
2025-05-01

Energy Transfer System with Underground Thermal Storage and Corresponding Method

#2
20250129772
2025-04-24

Enhancing Geothermal Energy Production From Heat Reservoir

#3
20250116430
2025-04-10

GEOTHERMAL ENERGY SYSTEM

#4
20240369309
2024-11-07

Arrangement and a method for storing thermal energy in the ground

#5
20240344777
2024-10-17

GROUND-BASED THERMAL STORAGE AND HEAT EXCHANGE SYSTEM

#6
20240240875
2024-07-18

Thermal Energy Storage And Method For Controlling A Thermal Energy Storage

#7
20240218627
2024-07-04

HELICAL PILE WITH HEAT EXCHANGER

#8
20240035621
2024-02-01

Thermal storage in pressurized fluid for compressed air energy storage systems

#9
20230332843
2023-10-19

Compressed gas energy storage system

#10
20230288099
2023-09-14

GENERATING GEOTHERMAL ENERGY USING MULTIPLE WORKING FLUIDS

#11
20230272982
2023-08-31

Thermal energy storage and method for constructing such a thermal energy storage

#12
20230227983
2023-07-20

Process for Storing Energy as Compressed Gases in Subterranean Water Reservoirs Using High-Pressure Electrolysis

#13
20230220953
2023-07-13

Thermal storage in pressurized fluid for compressed air energy storage systems

#14
20220178589
2022-06-09

Method of deploying a heat exchanger pipe

#15
20220107140
2022-04-07

Power plant cooling systems

#16
20220090585
2022-03-24

Compressed gas energy storage system

#17
20220074547
2022-03-10

Thermal storage in pressurized fluid for compressed air energy storage systems

#18
20210372668
2021-12-02

Multi-fluid, earth battery energy systems and methods

#19
20210102764
2021-04-08

System and method for managing source fluid

#20
20210062682
2021-03-04

Closed loop energy production from producing geothermal wells

#21
20210048229
2021-02-18

Geothermal heat exchanger, geothermal heat arrangement and method for charging thermal energy into ground

#22
20210002843
2021-01-07

Helical pile with heat exchanger

#23
20200263830
2020-08-20

Thermal storage in pressurized fluid for compressed air energy storage systems

#24
20200173692
2020-06-04

Multi-fluid, earth battery energy systems and methods

#25
20200158379
2020-05-21

System for storing and retrieving thermal energy

#26
20190285292
2019-09-19

Thermal-energy exchange and storage system

#27
20190249931
2019-08-15

Method for calculating ground storage device temperatures for the operation of a geothermal facility

#28
20190212036
2019-07-11

Open-loop natural thermal energy releasing system with partial reflux

#29
20190145666
2019-05-16

Method of deploying a heat exchanger pipe

#30
20180376624
2018-12-27

Thermal containment system with integrated cooling unit for waterborne or land-based data centers

#31
20180299139
2018-10-18

Wall part, heat buffer and energy exchange system

#32
20180283799
2018-10-04

Geothermal heat utilization system and geothermal heat utilization method

#33
20180263194
2018-09-20

GREEN INDOOR CULTIVATION

#34
20180224215
2018-08-09

HEAT CAPTURE, TRANSFER AND RELEASE FOR INDUSTRIAL APPLICATIONS

#35
20180073778
2018-03-15

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

#36
20170328650
2017-11-16

Heat storage arrangement

#37
20170299226
2017-10-19

Multi-fluid renewable geo-energy systems and methods

#38
20170293330
2017-10-12

Data center geothermal cooling

#39
20170223870
2017-08-03

Cooling electronic devices installed in a subsurface environment

#40
20170038157
2017-02-09

Subsurface thermal energy storage of heat generated by concentrating solar power

#41
20160231011
2016-08-11

Soil infrastructure systems for sustainable and integrated economic and environmental performance

#42
20160223270
2016-08-04

Methods and systems to convert passive cooling to active cooling

#43
20160146481
2016-05-26

Cool Air Loop Method

#44
20150377221
2015-12-31

Integrated thermal storage, heat exchange, and steam generation

#45
20150369521
2015-12-24

Multi-fluid renewable geo-energy systems and methods

#46
20150354903
2015-12-10

Thermal energy storage with an expansion space

#47
20150345873
2015-12-03

UNDERGROUND STORAGE HEATING AND COOLING (USHC) SYSTEM

#48
20150316296
2015-11-05

Thermal conductive cylinder installed with U-type core piping and loop piping

#49
20150316294
2015-11-05

Coaxial borehole heat exchanger and method of producing the same

#50
20150292810
2015-10-15

Thermal energy storage system comprising a combined heating and cooling machine and a method for using the thermal energy storage system

#51
20150292809
2015-10-15

Method for operating an arrangement for storing thermal energy

#52
20150276325
2015-10-01

Energy storage arrangement having tunnels configured as an inner helix and as an outer helix

#53
20150155826
2015-06-04

System and method of cooling of photovoltaic panel and method of installation of system

#54
20150000878
2015-01-01

Heat-dissipating structure having embedded support tube to form internally recycling heat transfer fluid and application apparatus

#55
20150000875
2015-01-01

Heat-dissipating structure having embedded support tube to form internally recycling heat transfer fluid and application apparatus

#56
20150000319
2015-01-01

Cooling electronic devices installed in a subsurface environment

#57
20140041709
2014-02-13

Geo-cooled photovoltaic power converter

#58
20140000301
2014-01-02

COOL AIR LOOP SYSTEM

#59
20130223826
2013-08-29

Solar heating for site located oil storage or separation

#60
20130104545
2013-05-02

Geothermal energy battery and exchanger system

#61
20130042997
2013-02-21

OPEN-LOOPNATURAL THERMAL ENERGY RELEASING SYSTEM WTIH PARTIALREFLUX

#62
20130037236
2013-02-14

GEOTHERMAL FACILITY WITH THERMAL RECHARGING OF THE SUBSOIL

#63
20130025832
2013-01-31

Closed-loop temperature equalization device having a heat releasing system structured by multiple flowpaths

#64
20130025821
2013-01-31

Closed-loop temperature equalization device having a heat releasing device and multiple flowpaths

#65
20130025820
2013-01-31

CLOSE-LOOP TEMPERATURE EQUALIZATION DEVICE HAVING SINGLE-FLOWPATHHEAT RELEASING DEVICE

#66
20130025819
2013-01-31

CLOSE-LOOP TEMPERATURE EQUALIZATION DEVICE HAVING SINGLE-FLOWPATH HEAT RELEASING DEVICE

#67
20120318491
2012-12-20

Ground loop bypass for ground source heating or cooling

#68
20120255706
2012-10-11

Heat Exchange Using Underground Water System

#69
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

#70
20120180484
2012-07-19

HEAT STORAGE SYSTEM

#71
20120152488
2012-06-21

Underground thermal battery storage system

#72
20120132393
2012-05-31

Arrangement for storing thermal energy

#73
20120111530
2012-05-10

Installation adapted with temperature equalization system

#74
20120099974
2012-04-26

Methods for cooling a carrier fluid of an electric power plant, electric power plants and cooling system

#75
20120099277
2012-04-26

Electric equipment in which heat being dissipated through superficial temperature maintaining member and exchanging fluid

#76
20120097361
2012-04-26

Temperature unifying and heat storing system of semiconductor heat loss through natural temperature maintaining member

#77
20120090810
2012-04-19

Installation adapted with temperature equalization system

#78
20120090809
2012-04-19

Installation adapted with temperature equalization system

#79
20120090663
2012-04-19

DERIVING ECONOMIC VALUE FROM WASTE HEAT FROM CONCENTRATED PHOTOVOLTAIC SYSTEMS

#80
20120085093
2012-04-12

Hybrid renewable energy system having underground heat storage apparatus

#81
20120037335
2012-02-16

UNDERGROUND HEAT EXCHANGER AND AIR CONDITIONING SYSTEM INCLUDING THE SAME

#82
20120006042
2012-01-12

Tank flow center for closed loop geothermal system

#83
20110272054
2011-11-10

Pipe member equipped with heat insulation core pipeline and U-shaped annularly-distributed pipeline

#84
20110259547
2011-10-27

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

#85
20110247354
2011-10-13

UNDERGROUND HEAT EXCHANGER AND AIR CONDITIONING SYSTEM INCLUDING THE SAME

#86
20110220321
2011-09-15

GEOTHERMAL TANK VAULT WITH TRANSITION FITTINGS

#87
20110209848
2011-09-01

Heat Transfer Refrigerant Transport Tubing Coatings and Insulation for a Direct Exchange Geothermal Heating/Cooling System and Tubing Spool Core Size

#88
20110200394
2011-08-18

Method of installing geothermal heat pump system and device for installation

#89
20110192566
2011-08-11

THERMAL STORAGE SYSTEM FOR USE IN CONNECTION WITH A THERMAL CONDUCTIVE WALL STRUCTURE

#90
20110166718
2011-07-07

Controller for energy supply systems

#91
20110114084
2011-05-19

Heat recovery installation using solar energy

#92
20110100587
2011-05-05

Vertical fluid heat exchanger installed within natural thermal energy body

#93
20110100586
2011-05-05

Vertical fluid heat exchanger installed within natural thermal energy body

#94
20110094719
2011-04-28

Thermal conductive cylinder installed with U-type core piping and loop piping

#95
20110061832
2011-03-17

GROUND-TO-AIR HEAT PUMP SYSTEM

#96
20110048049
2011-03-03

HEAT EXCHANGER AND AIR CONDITIONING SYSTEM

#97
20110048037
2011-03-03

Method and device for cooling

#98
20110024077
2011-02-03

HEAT EXCHANGER AND AIR CONDITIONING SYSTEM

#99
20110005151
2011-01-13

Low-energy building, particularly greenhouse or stabling

#100
20100307734
2010-12-09

Method and device for heating and cooling

#101
20100294456
2010-11-25

GEOTHERMAL HEAT PUMP SYSTEM

#102
20100252229
2010-10-07

Geothermal energy system

#103
20100236266
2010-09-23

Geothermal Heating and Cooling System

#104
20100200210
2010-08-12

Geothermal air conditioning for electrical enclosure

#105
20100193152
2010-08-05

Sawyer-singleton geothermal energy tank

#106
20100139736
2010-06-10

GEOTHERMAL HEATING AND COOLING MANAGEMENT SYSTEM

#107
20100059198
2010-03-11

SYSTEM FOR CONFIGURING EARTH PROBES

#108
20100025008
2010-02-04

Geothermal Heating, Ventilating and Cooling System

#109
20100018679
2010-01-28

Isothermal method and device using periodic direction-change utility water flow

#110
20090281668
2009-11-12

GEOTHERMAL AND REMEDIATION SYSTEM AND METHOD

#111
20090277603
2009-11-12

Temperature equalization air supply system of natural thermal energy with intermediate thermal storage

#112
20090277602
2009-11-12

Temperature equalization air supply system of natural thermal energy with intermediate thermal storage

#113
20090277203
2009-11-12

Device for heating, cooling and producing domestic hot water using a heat pump and low-temperature heat store

#114
20090260776
2009-10-22

Geothermal sleeve for building structures

#115
20090071631
2009-03-19

Vapor-lift pump heat transport apparatus

#116
20080230205
2008-09-25

Process of Control of the Storage of Thermal Energy in the Ground and Associated System

#117
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

#118
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

#119
20080185135
2008-08-07

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

#120
20080185122
2008-08-07

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

#121
20080148758
2008-06-26

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

#122
20080053130
2008-03-06

Geothermal Cooling Device

#123
20080022709
2008-01-31

Cooling system

#124
20070271940
2007-11-29

Installation adapted with temperature equalization system

#125
20070199341
2007-08-30

Water sump structure

#126
20070153481
2007-07-05

Multi-surface heat sink film

#127
20070151704
2007-07-05

Geothermal heat exchange system

#128
20070151703
2007-07-05

Grid and yarn membrane heat pipes

#129
20070151121
2007-07-05

Stretchable and transformable planar heat pipe for apparel and footwear, and production method thereof

#130
20070137236
2007-06-21

Ground heat exchanger

#131
20070089861
2007-04-26

VAPOR-LIFT PUMP HEAT TRANSPORT APPARATUS

#132
20070074854
2007-04-05

Vapor-lift pump heat transport apparatus

#133
20070056304
2007-03-15

Method, arrangement and apparatus for facilitating environmental climate control of a building structure

#134
20070051492
2007-03-08

Ground source heat exchange system

#135
20070044494
2007-03-01

Super energy saver heat pump with dynamic hybrid phase change material

#136
20070039715
2007-02-22

System and method for seasonal energy storage

#137
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

#138
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

#139
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

#140
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

#141
20060249276
2006-11-09

Enriched high conductivity geothermal fill and method for installation

#142
20060137349
2006-06-29

Power plant system for utilizing the heat energy of geothermal reservoirs

#143
20060048770
2006-03-09

Solar augmented geothermal energy

#144
20050006049
2005-01-13

Ground source heat exchange system

#145
18792046
2025-12-02

Renewable GeoBattery energy storage

#146
18123969
2024-09-10

Renewable geobattery energy storage

#147
17023550
2023-01-10

Radial particle-based terrestrial thermocline for high temperature thermal storage

#148
13838388
2019-07-09

Ground source heat pump heat exchanger