Patents-Review.com
ClassID:

140157 ⎘

F02G1/044 - 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 having at least two working members, e.g. pistons, delivering power output

Sub-classes:
Recent Application in this class:
#1
20260078714
2026-03-19

Pneumatically Actuated Energy Generator

 #2
20260071588
2026-03-12

Dual-Head Opposing-Piston Free-Piston Stirling Engine Design

 #3
20250320844
2025-10-16

Stirling Machine Generation

 #4
20250116212
2025-04-10

Cartridge for a heat engine having a thermodynamic cycle and associated heat engine

 #5
20250067230
2025-02-27

STIRLING CYCLE MACHINE

 #6
20240418136
2024-12-19

ENERGY HARVESTING HEAT ENGINE

 #7
20240384693
2024-11-21

Thermodynamic Cycle

 #8
20240318554
2024-09-26

Compact tandem cylinder reciprocating engine for CO2 power generation

 #9
20240271588
2024-08-15

HEAT ENERGY CONVERSION DEVICE

 #10
20240218812
2024-07-04

Heat engine

 #11
20240159201
2024-05-16

MONOLITHIC HEAT-EXCHANGER BODIES

 #12
20240102430
2024-03-28

Near isothermal machine

 #13
20230407811
2023-12-21

ALPHA STIRLING ENGINE

 #14
20230399995
2023-12-14

Alpha Stirling engine

 #15
20230228229
2023-07-20

Constant density heat exchanger and system for energy conversion

 #16
20230193851
2023-06-22

Multi-stage stirling cycle machine and a steady-state operating parameter control method therefor

 #17
20230193759
2023-06-22

EXPANDER SYSTEMS FOR HARNESSING ENERGY FROM PRESSURIZED FLUID FLOW

 #18
20230175456
2023-06-08

Engine apparatus and method for operation

 #19
20230019495
2023-01-19

Energy conversion apparatus

 #20
20230003174
2023-01-05

Stirling cycle machine

 #21
20220316423
2022-10-06

Heat engine with magnetically linked pistons

 #22
20220290630
2022-09-15

Monolithic heat-exchanger bodies

 #23
20220220922
2022-07-14

A Tubular Reactor Serving as a Combustor and Heat Exchanger

 #24
20220213847
2022-07-07

System and apparatus for energy conversion

 #25
20220195959
2022-06-23

Engine apparatus and method for operation

 #26
20220186679
2022-06-16

PRESSURE BOOST SYSTEM

 #27
20220120235
2022-04-21

Stirling engine design and assembly

 #28
20220106926
2022-04-07

Hot air engine having a step piston

 #29
20220074367
2022-03-10

Engine apparatus and method for operation

 #30
20220065194
2022-03-03

Recovery of energy in residue gases

 #31
20220065193
2022-03-03

Beta-type Stirling machine

 #32
20220034281
2022-02-03

Energy conversion apparatus

 #33
20210381467
2021-12-09

Constant density heat exchanger and system for energy conversion

 #34
20210277846
2021-09-09

Closed cycle regenerative heat engines

 #35
20210148305
2021-05-20

Efficient heat recovery engine

 #36
20210062756
2021-03-04

Monolithic heat-exchanger bodies

 #37
20210033313
2021-02-04

Cryogenic Stirling refrigerator with a pneumatic expander

 #38
20200408168
2020-12-31

Hot gas engine having a step piston

 #39
20200370509
2020-11-26

Monolithic heater bodies

 #40
20200370508
2020-11-26

Monolithic combustor bodies

 #41
20200370505
2020-11-26

Energy conversion apparatus

 #42
20200370504
2020-11-26

Energy conversion apparatus and control system

 #43
20200370503
2020-11-26

Constant density heat exchanger and system for energy conversion

 #44
20200370502
2020-11-26

Engine apparatus and method for operation

 #45
20200370446
2020-11-26

Energy conversion apparatus

 #46
20200347799
2020-11-05

Floating head piston assembly

 #47
20200256281
2020-08-13

High Dynamic Density Range Thermal Cycle Engine

 #48
20200240358
2020-07-30

Closed cycle regenerative heat engines

 #49
20200208884
2020-07-02

Stirling-cycle cooling device with monobloc support

 #50
20200149494
2020-05-14

DOUBLE-ACTING STIRLING ENGINES WITH OPTIMAL PARAMETERS AND WAVEFORMS

 #51
20190376468
2019-12-12

Stirling cycle machine

 #52
20190368353
2019-12-05

Transmission assembly for an engine

 #53
20190331056
2019-10-31

ENERGY TRANSFER MACHINES

 #54
20190145347
2019-05-16

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

 #55
20180372022
2018-12-27

Rotary stirling-cycle apparatus and method thereof

 #56
20180358881
2018-12-13

Rotating machine having magnetically actuated pistons

 #57
20180274482
2018-09-27

STIRLING CYCLE MACHINE

 #58
20180238265
2018-08-23

Nearly full adiabatic engine

 #59
20180205290
2018-07-19

Double-Acting Modular Free-Piston Stirling Machines Without Buffer Spaces

 #60
20180179988
2018-06-28

Stirling cycle machine

 #61
20180119638
2018-05-03

Membrane stirling engine

 #62
20180106241
2018-04-19

STIRLING ENGINE FOR AN EMISSION-FREE AIRCRAFT

 #63
20180051651
2018-02-22

Efficient stirling engine

 #64
20180023508
2018-01-25

Two Cylinder Double Acting Stirling Engine

 #65
20180023465
2018-01-25

Split cycle engine

 #66
20170356422
2017-12-14

Combined wind and solar power generating system

 #67
20170350348
2017-12-07

Engine with differential evaporation pressures

 #68
20170321630
2017-11-09

EXTERNAL COMBUSTION ENGINE WITH SEQUENTIAL PISTON DRIVE

 #69
20170211550
2017-07-27

Combined power generation system based on geothermal energy and solar energy and power generation method thereof

 #70
20170130671
2017-05-11

Heat engine

 #71
20170122253
2017-05-04

Hot air engine/heat pump

 #72
20170058701
2017-03-02

Parallel motion heat energy power machine and working method thereof

 #73
20170030294
2017-02-02

Energy transfer machines

 #74
20170022932
2017-01-26

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

 #75
20170016392
2017-01-19

Systems and methods for use with internal combustion engines and vehicles comprising the same

 #76
20160252047
2016-09-01

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

 #77
20160245225
2016-08-25

External heat engine device

 #78
20160160795
2016-06-09

Stirling engine and methods of operations and use

 #79
20160040623
2016-02-11

PISTON MACHINE AND METHOD FOR THE OPERATION THEREOF

 #80
20160025075
2016-01-28

Stirling engine for an emission-free aircraft

 #81
20160017843
2016-01-21

Thermodynamic machine

 #82
20150377181
2015-12-31

Motor assembly

 #83
20150315997
2015-11-05

Valved Stirling engine with improved efficiency

 #84
20150285183
2015-10-08

Hot gas engine

 #85
20150184614
2015-07-02

Linear cross-head bearing for stirling engine

 #86
20150152809
2015-06-04

Annular venturi burner for stirling engine

 #87
20150101324
2015-04-16

Valved stirling engine with improved efficiency

 #88
20150096298
2015-04-09

PRESSURE POWER SYSTEM

 #89
20150089948
2015-04-02

COMPRESSOR AND/OR EXPANDER DEVICE

 #90
20150052887
2015-02-26

Stirling cycle machines

 #91
20150040751
2015-02-12

Stirling cycle machine

 #92
20140345269
2014-11-27

Fluid expansion engine

 #93
20140182282
2014-07-03

Floating rod seal for a stirling cycle machine

 #94
20140165551
2014-06-19

Stirling cycle machine

 #95
20140000235
2014-01-02

Stirling cycle machine with airlock pressure regulator and burner controls

 #96
20130318967
2013-12-05

WASTE HEAT RECOVERY DEVICE

 #97
20130269335
2013-10-17

Motor Having Hot Working Fluid Operating Essentially According To A Three-Phase Cycle

 #98
20120260648
2012-10-18

Heat engine

 #99
20120159942
2012-06-28

Energy transfer machines

 #100
20120137671
2012-06-07

STIRLING ENGINE ARRANGEMENT

 #101
20110252780
2011-10-20

Heat engine

 #102
20110227347
2011-09-22

Heat engine

 #103
20110107757
2011-05-12

STIRLING ENGINE

 #104
20110095542
2011-04-28

Lubricant free, reduced mass, free-piston, Stirling machine having reciprocating piston drivingly linked to rotary electromagnetic transducer moving in rotational oscillation

 #105
20110062166
2011-03-17

Compressor and/or expander device

 #106
20110061836
2011-03-17

Compressor and/or expander device

 #107
20110061741
2011-03-17

Compressor and/or expander device

 #108
20110030366
2011-02-10

STIRLING ENGINE

 #109
20110011078
2011-01-20

Stirling cycle machine

 #110
20100313559
2010-12-16

Thermal engine

 #111
20100275594
2010-11-04

Exhaust heat recovery system

 #112
20100257857
2010-10-14

STIRLING ENGINE

 #113
20100218500
2010-09-02

Installation and methods for storing and methods for storing and restoring electrical energy using a piston-type gas compression and expansion unit

 #114
20100199661
2010-08-12

Control valve for a stirling engine

 #115
20100199660
2010-08-12

Pressure equalization system for a stirling engine

 #116
20100199659
2010-08-12

Piston Assembly for a Stirling Engine

 #117
20100199658
2010-08-12

Rod seal assembly for a stirling engine

 #118
20100139262
2010-06-10

4-cycle stirling machine with two double-piston units

 #119
20100095668
2010-04-22

Balanced multiple groupings of beta stirling machines

 #120
20090255249
2009-10-15

Externally heated engine

 #121
20090249778
2009-10-08

Energy recovery method for plastic pipe manufacturing systems

 #122
20080314356
2008-12-25

Stirling cycle machine

 #123
20080295684
2008-12-04

Double power Stirling engine and coaxial Stirling power mechanism

 #124
20080120975
2008-05-29

Stirling Thermodynamic cycle rotary thermal machine

 #125
20070186554
2007-08-16

Thermal hydro-machine on hot gas with recirculation

 #126
20070186553
2007-08-16

Thermo-driven engine

 #127
20070095064
2007-05-03

Externally heated engine

 #128
20070044467
2007-03-01

Hydrogen equalization system for double-acting stirling engine

 #129
20060288699
2006-12-28

Energy recovery system for rubber and plastic molding machines

 #130
20050274111
2005-12-15

Stirling engine

 #131
20050274110
2005-12-15

Stirling engine

 #132
20050268604
2005-12-08

Stirling cycle engine

 #133
20050172624
2005-08-11

Method and device for converting thermal energy into kinetic energy

 #134
20050091974
2005-05-05

Reversible heat engine

 #135
16418129
2020-07-28

System and apparatus for energy conversion

 #136
16417764
2020-03-24

Engine apparatus and method for operation

 #137
15857674
2019-07-09

Heat exchange system reactive to internal and external temperatures

 #138
15628184
2018-11-27

Heat exchanger reactive to internal and external temperatures

 #139
15419571
2019-03-12

Thermoacoustic convertor

 #140
15376024
2018-02-27

Radial crank external heated engine

 #141
14863395
2016-02-23

Fluid expansion engine

 #142
14146146
2017-06-27

Double-acting modular free-piston stirling machines without buffer spaces