ClassID:

140155

F02G1/043 - CPC Classification

Classification description:

Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines

Sub-classes:
Recent Application in this class:
#1
20260055934
2026-02-26

Thermoacoustic device

#2
20260036310
2026-02-05

SYSTEM FOR SUPPLYING ELECTRICTY, HEAT, AND WATER USING A STIRLING ENGINE POWERED BY SUSTAINABLE ENERGY SOURCES

#3
20250320844
2025-10-16

Stirling Machine Generation

#4
20250093078
2025-03-20

HEAT EXCHANGER FOR STIRLING MACHINE, METHOD FOR MANUFACTURING HEAT EXCHANGER, AND STIRLING MACHINE

#5
20250092844
2025-03-20

STIRLING MACHINE AND METHOD FOR MANUFACTURING STIRLING MACHINE

#6
20250067230
2025-02-27

STIRLING CYCLE MACHINE

#7
20250027461
2025-01-23

STIRLING CYCLE MACHINE

#8
20240384693
2024-11-21

Thermodynamic Cycle

#9
20240271836
2024-08-15

Thermoacoustic device

#10
20240159201
2024-05-16

MONOLITHIC HEAT-EXCHANGER BODIES

#11
20240093663
2024-03-21

DIRECT CURRENT POWER PLANT

#12
20240003271
2024-01-04

Plant for producing mechanical energy from a carrier fluid under cryogenic conditions

#13
20230392570
2023-12-07

Direct current power plant

#14
20230296035
2023-09-21

Plant for producing mechanical energy from a carrier fluid under cryogenic conditions

#15
20230228229
2023-07-20

Constant density heat exchanger and system for energy conversion

#16
20230133558
2023-05-04

Thermoacoustic device

#17
20230003174
2023-01-05

Stirling cycle machine

#18
20220290630
2022-09-15

Monolithic heat-exchanger bodies

#19
20220275781
2022-09-01

Direct current power plant

#20
20220195959
2022-06-23

Engine apparatus and method for operation

#21
20220120235
2022-04-21

Stirling engine design and assembly

#22
20220106926
2022-04-07

Hot air engine having a step piston

#23
20220074373
2022-03-10

SYSTEM AND METHOD FOR SUSTAINABLE GENERATION OF ENERGY

#24
20220034281
2022-02-03

Energy conversion apparatus

#25
20220026118
2022-01-27

Stirling cycle machine

#26
20220011025
2022-01-13

Method for generating mechanical energy from sunlight

#27
20210285695
2021-09-16

Method for solar heating a duplex engine

#28
20210277846
2021-09-09

Closed cycle regenerative heat engines

#29
20210190388
2021-06-24

Stirling cycle based solar energy powered duplex cooler

#30
20210054808
2021-02-25

Stirling engine comprising metal foam regenerator

#31
20210054807
2021-02-25

Stirling engine arranged with a gas channel including three heat exchangers

#32
20210054806
2021-02-25

Devices, systems, and methods for generating power

#33
20210010721
2021-01-14

Solar energy powered Stirling duplex machine with thermal storage tank

#34
20200408168
2020-12-31

Hot gas engine having a step piston

#35
20200370528
2020-11-26

Direct current power plant

#36
20200370507
2020-11-26

Closed cycle engine with bottoming-cycle system

#37
20200343833
2020-10-29

Energy storage system

#38
20200325847
2020-10-15

Stirling engine with a membrane connecting the piston to the cylinder of the Stirling engine and a method of using this Stirling engine

#39
20200240357
2020-07-30

Thermoacoustic transducer apparatus including a working volume and reservoir volume in fluid communication through a conduit

#40
20200208837
2020-07-02

Solid particle fuel burner

#41
20200166010
2020-05-28

SYSTEM AND METHOD FOR SUSTAINABLE GENERATION OF ENERGY

#42
20200148193
2020-05-14

Computer controlled solid state switching device for electrical system in a Stirling-electric hybrid vehicle

#43
20200080753
2020-03-12

Green Cycle Heat Pump Engine

#44
20200025053
2020-01-23

Thermoelectric heat energy recovery module generator for application in a Stirling-electric hybrid automobile

#45
20200011271
2020-01-09

Heat engine with a dynamically controllable hydraulic outlet

#46
20190376468
2019-12-12

Stirling cycle machine

#47
20190368442
2019-12-05

Solid Particle Fuel Burner

#48
20190292948
2019-09-26

Combustion power generation apparatus using organic fuel

#49
20190207503
2019-07-04

MOTOR FOR STIRLING COOLER HAVING QUADRATURE MAGNETS

#50
20190178205
2019-06-13

Heat cycle machine

#51
20190153284
2019-05-23

System for direct electrical charging and storage of thermal energy for power plants

#52
20190145371
2019-05-16

Direct current power plant

#53
20190145347
2019-05-16

Stirling cycle and linear-to-rotary mechanism systems, devices, and methods

#54
20190101079
2019-04-04

Method and apparatus for generating electricity utilizing heat from enclosed flares and other combustors

#55
20190010833
2019-01-10

Method of fluid exchange and separation apparatus

#56
20180372022
2018-12-27

Rotary stirling-cycle apparatus and method thereof

#57
20180371959
2018-12-27

Balanced-pressure multi-compartment vessel, thermodynamic energy converter and operating method

#58
20180347410
2018-12-06

System for recovering thermal energy produced in pyrometallurgical process plants or similar, to convert same into, or generate, electrical energy

#59
20180320941
2018-11-08

Heat pump and heat engine

#60
20180291836
2018-10-11

Stirling cycle machine

#61
20180252183
2018-09-06

Stirling engine with a membrane connecting the piston to the cylinder of the Stirling engine and a method of using this Stirling engine

#62
20180238265
2018-08-23

Nearly full adiabatic engine

#63
20180233240
2018-08-16

Nuclear power plant

#64
20180209270
2018-07-26

Energy harvesting heat engine and actuator

#65
20180179988
2018-06-28

Stirling cycle machine

#66
20180142681
2018-05-24

Near isothermal machine

#67
20180119638
2018-05-03

Membrane stirling engine

#68
20180106241
2018-04-19

STIRLING ENGINE FOR AN EMISSION-FREE AIRCRAFT

#69
20180073780
2018-03-15

Thermoacoustic electric generator system

#70
20180051651
2018-02-22

Efficient stirling engine

#71
20170356422
2017-12-14

Combined wind and solar power generating system

#72
20170350348
2017-12-07

Engine with differential evaporation pressures

#73
20170335794
2017-11-23

ICE STORAGE UNIT

#74
20170271950
2017-09-21

STIRLING ENGINE HAVING ENERGY REGENERATION STRUCTURE USING WASTE HEAT RECOVERY

#75
20170234581
2017-08-17

Symmetric floating coil compressor

#76
20170204806
2017-07-20

Hybrid Trigeneration System Microgrid Combined Cooling, Heat and Power Providing Heating, Cooling, Electrical Generation and Energy Storage Using an Integrated Automation System for Monitor, Analysis and Control

#77
20170138301
2017-05-18

Radiant heat recovery heater, and stirling engine and combustion furnace using radiant heat recovery heater

#78
20170130671
2017-05-11

Heat engine

#79
20170077376
2017-03-16

Thermoelectric power generator and combustion apparatus

#80
20170045018
2017-02-16

Stirling engine

#81
20170045017
2017-02-16

Vane-rotor type Stirling engine

#82
20170030339
2017-02-02

Hybrid power system

#83
20170022932
2017-01-26

Stirling cycle and linear-to-rotary mechanism systems, devices, and methods

#84
20170009701
2017-01-12

Variable volume transfer shuttle capsule and valve mechanism

#85
20160377025
2016-12-29

Thermal energy recovery system

#86
20160377024
2016-12-29

Condensing Stirling cycle heat engine

#87
20160348661
2016-12-01

A COMPRESSOR TRAIN WITH A STIRLING ENGINE

#88
20160341188
2016-11-24

A COMPRESSED NATURAL GAS SYSTEM AND METHOD

#89
20160290136
2016-10-06

Energy harvesting heat engine and actuator

#90
20160281638
2016-09-29

Stirling engine with regenerator internal to the displacer piston and integral geometry for heat transfer and fluid flow

#91
20160252047
2016-09-01

Differential thermodynamic machine with a cycle of eight thermodynamic transformations, and control method

#92
20160245225
2016-08-25

External heat engine device

#93
20160208736
2016-07-21

Solar-Powered Hot Air Engine

#94
20160185617
2016-06-30

Locally powered water distillation system

#95
20160177886
2016-06-23

Powering apparatus

#96
20160164450
2016-06-09

SOLAR GENERATION SYSTEMS HAVING A COMMON RECEIVER BRIDGE AND COLLECTORS WITH MULTIPLE MOBILE WEBS

#97
20160111621
2016-04-21

Heat conversion device

#98
20160084198
2016-03-24

Heat/acoustic wave conversion unit

#99
20160047243
2016-02-18

EXPANDER FOR A HEAT ENGINE

#100
20160025538
2016-01-28

Flowmeter system

#101
20160025075
2016-01-28

Stirling engine for an emission-free aircraft

#102
20160017843
2016-01-21

Thermodynamic machine

#103
20150380748
2015-12-31

Heat reclamation and temperature control for submersible vehicles that utilize fuel cells

#104
20150377181
2015-12-31

Motor assembly

#105
20150276273
2015-10-01

Stirling refrigerator

#106
20150247491
2015-09-03

Thermoacoustic transducer apparatus including a transmission duct

#107
20150176525
2015-06-25

Micro thruster uses and improvements

#108
20150171706
2015-06-18

Electromechanical transducer

#109
20150143806
2015-05-28

Quintuple-effect generation multi-cycle hybrid renewable energy system with integrated energy provisioning, storage facilities and amalgamated control system cross-reference to related applications

#110
20150135702
2015-05-21

Working cylinder for an energy converter

#111
20150052887
2015-02-26

Stirling cycle machines

#112
20150047336
2015-02-19

Stirling cycle machine

#113
20150040960
2015-02-12

Artificial Turf, System for Generating Electrical Energy from Heat, and Building Comprising Such a System

#114
20140352296
2014-12-04

Method and apparatus for operating an internal combustion engine

#115
20140338369
2014-11-20

Thermoacoustic engine

#116
20140305407
2014-10-16

Systems, methods, and apparatuses related to the use of gas clathrates

#117
20140290207
2014-10-02

External combustion engine

#118
20140271308
2014-09-18

Gerotor rotary Stirling cycle engine

#119
20140238022
2014-08-28

System for storing energy by means of compressed air

#120
20140238012
2014-08-28

Stirling Engine

#121
20140216026
2014-08-07

Free-piston type stirling engine

#122
20140202147
2014-07-24

Heat Engine with High Efficiency Attributable to Temperature Responsive Equilibrium Reactions and Method for Optimization

#123
20140178237
2014-06-26

Heat engine with linear actuators

#124
20140174080
2014-06-26

Hybrid trigeneration system based microgrid combined cooling, heat and power providing heating, cooling, electrical generation and energy storage using an integrated automation system for monitor, analysis and control

#125
20140165551
2014-06-19

Stirling cycle machine

#126
20140130490
2014-05-15

DEAD-VOLUME MANAGEMENT IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS

#127
20140047831
2014-02-20

Dish-type stirling solar generator

#128
20140026553
2014-01-30

Stirling engine with regenerator internal to the displacer piston and integral geometry for heat transfer and fluid flow

#129
20140015497
2014-01-16

Balancing vibrations at harmonic frequencies by injecting harmonic balancing signals into the armature of a linear motor/alternator coupled to a Stirling machine

#130
20140000251
2014-01-02

Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems

#131
20130320804
2013-12-05

Annular thermoacoustic energy converter

#132
20130269343
2013-10-17

Vehicle with stirling engine integrated into engine exhaust system

#133
20130239564
2013-09-19

Thermal acoustic passage for a stirling cycle transducer apparatus

#134
20130192221
2013-08-01

Improving the efficiency of Stirling cycle heat machines

#135
20130174532
2013-07-11

External-combustion, closed-cycle thermal engine

#136
20130160451
2013-06-27

Stirling engine for an emission-free aircraft

#137
20130139500
2013-06-06

Dead-volume management in compressed-gas energy storage and recovery systems

#138
20130074489
2013-03-28

Stirling engine and engine system comprising stirling engine

#139
20130061826
2013-03-14

Stirling engine gas lubrication structure

#140
20130061590
2013-03-14

Stirling cycle energy converter

#141
20130031899
2013-02-07

Stirling machine

#142
20120297772
2012-11-29

SYSTEMS AND METHODS FOR EFFICIENT TWO-PHASE HEAT TRANSFER IN COMPRESSED-AIR ENERGY STORAGE SYSTEMS

#143
20120260648
2012-10-18

Heat engine

#144
20120240570
2012-09-27

Heat exchanger and associated method employing a stirling engine

#145
20120234005
2012-09-20

Methods and systems to harvest energy from the earth

#146
20120174585
2012-07-12

CLOSED LOOP THERMODYNAMIC MACHINE

#147
20120169184
2012-07-05

Electroactive polymer manufacturing

#148
20120159943
2012-06-28

Stirling cycle transducer for converting between thermal energy and mechanical energy

#149
20120102948
2012-05-03

Power generation and space conditioning using a thermodynamic engine driven through environmental heating and cooling

#150
20120073298
2012-03-29

ROTARY EXPANSION ENGINE

#151
20120067041
2012-03-22

Heat Engine

#152
20120067040
2012-03-22

Maximized thermal efficiency engines

#153
20120031079
2012-02-09

Hybrid powertrain system including an internal combustion engine and a stirling engine

#154
20120007369
2012-01-12

Compact thermoacoustic array energy converter

#155
20120000194
2012-01-05

Stirling engine power generation system

#156
20110259002
2011-10-27

Stirling cycle epitrochoidal heat engine

#157
20110252811
2011-10-20

Travelling wave thermoacoustic piezoelectric system for generating electrical energy from heat energy

#158
20110252809
2011-10-20

Standing wave thermoacoustic piezoelectric system and apparatus for generating electrical energy from heat energy

#159
20110247668
2011-10-13

Thermoelectric power generating systems utilizing segmented thermoelectric elements

#160
20110247332
2011-10-13

External combustion engine

#161
20110232276
2011-09-29

STIRLING ENGINE AND CONTROL METHOD THEREOF

#162
20110225966
2011-09-22

HEAT PUMP

#163
20110203267
2011-08-25

Method and device for operating a stirling cycle process

#164
20110197755
2011-08-18

Gas lubrication structure for piston, and stirling engine

#165
20110168467
2011-07-14

Hybrid Electric Vehicles Using a Stirling Engine

#166
20110162389
2011-07-07

Thermoelectrics utilizing convective heat flow

#167
20110155307
2011-06-30

ELECTROACTIVE POLYMER MANUFACTURING

#168
20110154641
2011-06-30

Electroactive polymer manufacturing

#169
20110146264
2011-06-23

Catalytic burner apparatus for stirling engine

#170
20110126794
2011-06-02

WANKEL ROTARY ENGINE

#171
20110120110
2011-05-26

Logic controlled de-coupled displacement-type stirling engine

#172
20110107761
2011-05-12

Hybrid high efficiency motor

#173
20110088386
2011-04-21

Configurations of a Stirling engine and heat pump

#174
20110061379
2011-03-17

HEAT ENGINE

#175
20110061378
2011-03-17

Liquid cooled stirling engine with a segmented rotary displacer

#176
20110041506
2011-02-24

Adiabatic expansion heat engine and method of operating

#177
20110041492
2011-02-24

Stirling engine with thermoelectric control

#178
20110025073
2011-02-03

Thermo-electro-acoustic engine and method of using same

#179
20110025055
2011-02-03

Domestic combined heat and power generation system

#180
20110011079
2011-01-20

Stirling cycle machine

#181
20110000206
2011-01-06

PROGRESSIVE THERMODYNAMIC SYSTEM

#182
20100287936
2010-11-18

THERMODYNAMIC MACHINE, PARTICULAR OF THE CARNOT AND/OR STIRLING TYPE

#183
20100275591
2010-11-04

Self generating power generator for cryogenic systems

#184
20100269789
2010-10-28

METERING FUEL PUMP

#185
20100251991
2010-10-07

Volume expansion rotary piston machine

#186
20100251708
2010-10-07

Energy recovery system for combustible vapors

#187
20100229546
2010-09-16

Heat Engine

#188
20100205956
2010-08-19

Sealed engine/compressor housing comprising an adsorption element

#189
20100199657
2010-08-12

THERMAL IMPROVEMENTS FOR AN EXTERNAL COMBUSTION ENGINE

#190
20100192566
2010-08-05

Engine for utilizing thermal energy to generate electricity

#191
20100186405
2010-07-29

HEAT ENGINE AND METHOD OF OPERATION

#192
20100176591
2010-07-15

RECIPROCATING PISTON MACHINE WITH OSCILLATING BALANCING ROTORS

#193
20100162697
2010-07-01

STIRLING ENGINE AND ASSOCIATED METHODS

#194
20100146962
2010-06-17

Piston engine

#195
20100139263
2010-06-10

Piston engine

#196
20100132354
2010-06-03

LINEAR-ROTARY MOTION CONVERSION MECHANISM

#197
20100126165
2010-05-27

Catalytic burner apparatus for Stirling Engine

#198
20100083653
2010-04-08

Mass Damper

#199
20100064682
2010-03-18

Thermal energy recovery system

#200
20100050628
2010-03-04

High efficiency positive displacement thermodynamic system

#201
20100031988
2010-02-11

High power density thermoelectric systems

#202
20100026143
2010-02-04

Monolithic electroactive polymers

#203
20100018202
2010-01-28

Thermoelectric device for use with Stirling engine

#204
20090313989
2009-12-24

Rotary stirling cycle machine

#205
20090229268
2009-09-17

COGENERATION SYSTEM

#206
20090184604
2009-07-23

Compact thermoacoustic array energy converter

#207
20090139227
2009-06-04

Rotary heat engine

#208
20090094980
2009-04-16

Exhaust heat recovery apparatus

#209
20090056330
2009-03-05

Miniaturised device that can operate as an engine or a cooler according to a stirling thermodynamic cycle

#210
20090039655
2009-02-12

Resonant stator balancing of free piston machine coupled to linear motor or alternator

#211
20090013686
2009-01-15

Exhaust heat recovery apparatus

#212
20090007572
2009-01-08

Thermoelectrics utilizing convective heat flow

#213
20090007562
2009-01-08

Dual-function stirling engine system

#214
20080314356
2008-12-25

Stirling cycle machine

#215
20080303289
2008-12-11

Controller computing a virtual tuning capacitor for controlling a free-piston stirling engine driving a linear alternator

#216
20080296896
2008-12-04

Stirling engine instability detection and prevention

#217
20080282695
2008-11-20

Displacer piston assembly

#218
20080282693
2008-11-20

Stirling engine

#219
20080264057
2008-10-30

Power Head Mounted on Power Crosshead

#220
20080250788
2008-10-16

Power generation and space conditioning using a thermodynamic engine driven through environmental heating and cooling

#221
20080245398
2008-10-09

High capacity thermoelectric temperature control system

#222
20080223031
2008-09-18

Crosshead Arrangement

#223
20080209904
2008-09-04

Systems and Methods for Generating Electricity Using a Stirling Engine

#224
20080202114
2008-08-28

Micro heat engine and method of manufacturing

#225
20080191585
2008-08-14

Electroactive polymer electrodes

#226
20080173342
2008-07-24

Thermoelectric power generating systems utilizing segmented thermoelectric elements

#227
20080168768
2008-07-17

Stirling engine assembly

#228
20080148754
2008-06-26

Cryogenic cooling system with energy regeneration

#229
20080136052
2008-06-12

Electroactive polymer manufacturing

#230
20080134676
2008-06-12

Power structure for a power-saving engine

#231
20080133181
2008-06-05

Locally powered water distillation system

#232
20080105532
2008-05-08

Liquid pumps with hermetically sealed motor rotors

#233
20080099092
2008-05-01

Splitter Valve

#234
20080092512
2008-04-24

Thermal improvements for an external combustion engine

#235
20080078175
2008-04-03

Catalytic burner apparatus for stirling engine

#236
20080035195
2008-02-14

THERMOELECTRIC POWER GENERATION SYSTEMS

#237
20070289300
2007-12-20

HEAT POWER DEVICE

#238
20070234719
2007-10-11

ENERGY CONVERSION DEVICE AND OPERATION METHOD THEREOF

#239
20070227144
2007-10-04

Exhaust heat recovery apparatus

#240
20070227138
2007-10-04

Method and system for providing a rotational output using a non-combustion heat source

#241
20070209359
2007-09-13

Exhaust heat recovery apparatus

#242
20070186554
2007-08-16

Thermal hydro-machine on hot gas with recirculation

#243
20070169477
2007-07-26

Multistage stirling engine

#244
20070164641
2007-07-19

Electroactive polymer devices for moving fluid

#245
20070089410
2007-04-26

Stirling engine

#246
20070084942
2007-04-19

Domestic heat and power system

#247
20070044468
2007-03-01

Energy recovery system for combustible vapors

#248
20070034703
2007-02-15

Heating appliance

#249
20070028612
2007-02-08

Metering fuel pump

#250
20070028611
2007-02-08

Domestic combined heat and power assembly

#251
20070017221
2007-01-25

Operation of an engine

#252
20060283186
2006-12-21

STIRLING CYCLE MACHINES

#253
20060280993
2006-12-14

Power plant with energy recovery from fuel storage

#254
20060254270
2006-11-16

Resonance frequency adjusting method and stirling engine

#255
20060238079
2006-10-26

Electroactive polymers

#256
20060238066
2006-10-26

Electroactive polymer generators

#257
20060196186
2006-09-07

Method and device for converting heat energy into mechanical energy

#258
20060179834
2006-08-17

Channelized stratified heat exchangers system and method

#259
20060174954
2006-08-10

Splitter valve

#260
20060158065
2006-07-20

Electroactive polymer devices for moving fluid

#261
20060156720
2006-07-20

Combined heat and power system

#262
20060113880
2006-06-01

Electroactive polymers

#263
20060113878
2006-06-01

Electroactive polymers

#264
20060112687
2006-06-01

Stirling engine assembly

#265
20060090467
2006-05-04

Method and apparatus for converting thermal energy to mechanical energy

#266
20060059906
2006-03-23

Heat engine

#267
20060054209
2006-03-16

Apparatus and method for harnessing heat energy

#268
20060053785
2006-03-16

Power device equipped with combustion engine and stirling engine

#269
20060021343
2006-02-02

Stirling engine having platelet heat exchanging elements

#270
20050284947
2005-12-29

Wall mounted domestic combined heat and power appliance

#271
20050263177
2005-12-01

High power density thermoelectric systems

#272
20050247061
2005-11-10

Method of and apparatus for cooling a seal for machinery

#273
20050210883
2005-09-29

Thermoelectrics utilizing convective heat flow

#274
20050194940
2005-09-08

Method and a connector arrangement for connecting and disconnecting a generator to a circuit with an existing alternating current

#275
20050183419
2005-08-25

Thermal improvements for an external combustion engine

#276
20050154499
2005-07-14

Power distribution/generation system

#277
20050086935
2005-04-28

Heating appliance

#278
20050072165
2005-04-07

Thermoelectrics utilizing thermal isolation

#279
20050072149
2005-04-07

Hot-gas engine

#280
20050052029
2005-03-10

Domestic combined heat and power unit

#281
20050028520
2005-02-10

Free piston stirling engine control

#282
20050000213
2005-01-06

Stirling engine

#283
16417787
2020-07-14

Closed cycle engine with bottoming-cycle system

#284
14303374
2016-03-22

Directionally reversible hot air engine system

#285
13506943
2016-11-22

Thermal engine for operation with noncombustible fuels