F28D2020/0004 - CPC Classification Index

ClassID:

161979 ⎘

F28D2020/0004 - CPC Classification

Classification description:

Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups or Particular heat storage apparatus

Sub-classes:

F28D2020/0008 » {the heat storage material being enclosed in plate-like or laminated elements, e.g. in plates having internal compartments} 101
F28D2020/0013 » {the heat storage material being enclosed in elements attached to or integral with heat exchange conduits} 152
F28D2020/0017 » {the heat storage material being enclosed in porous or cellular or fibrous structures } 32
F28D2020/0021 » {the heat storage material being enclosed in loose or stacked elements} 50
F28D2020/0026 » {the heat storage material being enclosed in mobile containers for transporting thermal energy} 54

Recent Application in this class:

20260092542

2026-04-02

THERMAL ENERGY STORAGE SYSTEMS FOR USE IN MATERIAL PROCESSING

20250382898

2025-12-18

THERMAL ENERGY STORAGE SYSTEM WITH STEAM GENERATION SYSTEM INCLUDING FLOW CONTROL AND ENERGY COGENERATION

20250243788

2025-07-31

THERMAL ENERGY STORAGE SYSTEM COUPLED WITH A SOLID OXIDE ELECTROLYSIS SYSTEM

20250188852

2025-06-12

ENERGY STORAGE SYSTEM AND ALUMINA CALCINATION APPLICATIONS

20250179942

2025-06-05

Thermal Energy Storage System with Radiation Cavities

20250179941

2025-06-05

Thermal Energy Storage with Fluid Flow Insulation

20250179940

2025-06-05

ENERGY STORAGE SYSTEM AND ALUMINA CALCINATION APPLICATIONS

20250163831

2025-05-22

THERMAL ENERGY STORAGE SYSTEM COUPLED WITH STEAM CRACKING SYSTEM

20250163830

2025-05-22

Thermal Energy Storage System with Deep Discharge

#10

20250154882

2025-05-15

Thermal Energy Storage System with Deep Discharge

#11

20250092803

2025-03-20

THERMAL ENERGY STORAGE SYSTEMS FOR USE IN MATERIAL PROCESSING

#12

20250092802

2025-03-20

THERMAL ENERGY STORAGE SYSTEMS FOR USE IN MATERIAL PROCESSING

#13

20250092801

2025-03-20

THERMAL ENERGY STORAGE SYSTEMS FOR USE IN MATERIAL PROCESSING

#14

20250092800

2025-03-20

THERMAL ENERGY STORAGE SYSTEMS FOR USE IN MATERIAL PROCESSING

#15

20250067522

2025-02-27

PCM Cell and System Technology

#16

20250052174

2025-02-13

Methods For Material Activation With Thermal Energy Storage System

#17

20240418452

2024-12-19

APPARATUS FOR HEATING A GAS BURNER UNIT

#18

20240377143

2024-11-14

THERMAL STORAGE SYSTEM AND METHOD

#19

20240287919

2024-08-29

THERMAL ENERGY STORAGE SYSTEM COUPLED WITH THERMAL POWER CYCLE SYSTEMS

#20

20240254897

2024-08-01

THERMAL ENERGY STORAGE SYSTEM WITH STEAM GENERATION SYSTEM INCLUDING FLOW CONTROL AND ENERGY COGENERATION

#21

20240247597

2024-07-25

Thermal energy storage system coupled with steam cracking system

#22

20240247596

2024-07-25

Energy storage system and alumina calcination applications

#23

20240229682

2024-07-11

Methods for material activation with thermal energy storage system

#24

20240229681

2024-07-11

Calcination system with thermal energy storage system

#25

20240229680

2024-07-11

Thermal energy storage system with radiation cavities

#26

20240218811

2024-07-04

Thermal energy storage system with deep discharge

#27

20240200471

2024-06-20

Thermal energy storage system coupled with steam cracking system

#28

20240200470

2024-06-20

Energy storage system and alumina calcination applications

#29

20240191639

2024-06-13

Thermal energy storage system coupled with steam cracking system

#30

20240125251

2024-04-18

Thermal energy storage systems for use in material processing

#31

20230392522

2023-12-07

Thermal energy storage system with steam generation system including flow control and energy cogeneration

#32

20230366636

2023-11-16

Apparatus for heating a gas burner unit

#33

20230323793

2023-10-12

Thermal energy storage system coupled with a solid oxide electrolysis system

#34

20230313710

2023-10-05

Thermal energy storage system coupled with steam cracking system

#35

20230304420

2023-09-28

Energy storage system and alumina calcination applications

#36

20230296034

2023-09-21

Thermal energy storage system coupled with thermal power cycle systems

#37

20230250736

2023-08-10

Thermal energy storage assemblage with energy cogeneration

#38

20230243278

2023-08-03

Energy storage system and applications

#39

20230220787

2023-07-13

Thermal energy storage system with deep discharge

#40

20230220258

2023-07-13

Thermal storage systems and methods

#41

20230203968

2023-06-29

Methods for material activation with thermal energy storage system

#42

20230203967

2023-06-29

Calcination system with thermal energy storage system

#43

20230193790

2023-06-22

Thermal energy storage system with steam generator having feed-forward control

#44

20230193789

2023-06-22

Thermal energy storage system with forecast control of operating parameters

#45

20230184142

2023-06-15

Thermal energy storage system with steam generator having feedback control

#46

20230184141

2023-06-15

Thermal energy storage system with forecast control of operating parameters

#47

20230184140

2023-06-15

Thermal energy storage with fluid flow insulation

#48

20230123897

2023-04-20

Thermal energy storage system with radiation cavities

#49

20220357112

2022-11-10

Pressure-compensated thermal energy storage module

#50

20220349629

2022-11-03

System and method of pumped heat energy storage

#51

20220341349

2022-10-27

Solid oxide electrolysis system with thermal energy storage system

#52

20220282638

2022-09-08

Material activation system with thermal energy storage system

#53

20220268181

2022-08-25

Thermal energy storage system with forecast control of operating parameters

#54

20220268180

2022-08-25

Thermal energy storage system with steam generator having feed-forward control

#55

20220268179

2022-08-25

Thermal energy storage system with alternating discharge operation

#56

20220259988

2022-08-18

Thermal energy storage system with steam generation system including flow control and energy cogeneration

#57

20220259987

2022-08-18

Thermal energy storage assemblage with energy cogeneration

#58

20220259986

2022-08-18

Thermal energy storage system with steam generator having feedback control

#59

20220220867

2022-07-14

Thermal energy storage assemblage

#60

20220213811

2022-07-07

Thermal energy storage assemblage with dynamic insulation and failsafe cooling

#61

20220170388

2022-06-02

Thermal energy storage system with heat discharge system to prevent thermal runaway

#62

20220170386

2022-06-02

Energy storage system and applications

#63

20220034599

2022-02-03

Heat utilization system, and heat generating device

#64

20220026163

2022-01-27

HEAT STORAGE DEVICE

#65

20220021239

2022-01-20

Electric charging particle heater for thermal energy storage

#66

20220017801

2022-01-20

Heat exchanging thermal liquid container

#67

20210249705

2021-08-12

Thermal Management System

#68

20210215438

2021-07-15

THERMAL STORAGE SYSTEM AND METHOD

#69

20210071918

2021-03-11

System and method of pumped heat energy storage

#70

20210071910

2021-03-11

Thermal energy storage with molten sulfur

#71

20200386445

2020-12-10

Systems and methods of thermal energy storage

#72

20200166244

2020-05-28

Systems and methods of thermal energy storage

#73

20190092992

2019-03-28

NANOSTRUCTURED PHASE CHANGE MATERIALS FOR SOLID STATE THERMAL MANAGEMENT

#74

20190072338

2019-03-07

Modular thermal energy storage system

#75

20180258849

2018-09-13

Device and method for temporarily storing gas and heat

#76

20180171197

2018-06-21

Heat exchanging thermal liquid container

#77

20180092252

2018-03-29

Pin fin heat sink with integrated phase change material and method

#78

20170184329

2017-06-29

Hybrid solar heat absorption cooling system

#79

20170096043

2017-04-06

Cold-storage heat exchanger

#80

20160282056

2016-09-29

Heat storage material container

#81

20160222830

2016-08-04

Electrical energy storage and discharge system

#82

20160079830

2016-03-17

Compressed air energy storage unit with induction pump and method for the production of such a compressed air energy storage unit

#83

20150291868

2015-10-15

Nanostructured phase change materials for solid state thermal management

#84

20150060008

2015-03-05

HIGH-DENSITY, HIGH-TEMPERATURE THERMAL ENERGY STORAGE AND RETRIEVAL

#85

20140069136

2014-03-13

Cold-storage heat exchanger

#86

20130000877

2013-01-03

HEAT TRANSFER TUBE

#87

20120222415

2012-09-06

Thermal energy storage apparatus, arrangement and method

#88

20120061065

2012-03-15

HEAT-ABSORBING STRUCTURAL MATERIAL

#89

20110108020

2011-05-12

BALLAST MEMBER FOR REDUCING ACTIVE VOLUME OF A VESSEL

#90

20090217666

2009-09-03

Rankine engine with efficient heat exchange system

#91

18754047

2025-10-07

Thermal energy storage system coupled with thermal power cycle systems

#92

18754042

2026-03-31

Thermal energy storage system coupled with thermal power cycle systems

#93

18754001

2026-01-06

Thermal energy storage system coupled with thermal power cycle systems

#94

18665294

2025-05-27

Direct-contact heat exchange thermal energy storage system

#95

18518383

2025-07-15

Thermal energy storage systems for repowering existing power plants for improving efficiency and safety