Patents-Review.com
ClassID:

140154 ⎘

F02G1/04 - CPC Classification

Classification description:

Hot gas positive-displacement engine plants of closed-cycle type

Sub-classes:
Recent Application in this class:
#1
20250347257
2025-11-13

THERMAL OSCILLATION SYSTEMS

 #2
20250264051
2025-08-21

SYSTEM AND METHOD FOR TRANSPORT VEHICLES USING RECYCLABLE FUELS

 #3
20240426259
2024-12-26

THERMAL OSCILLATION SYSTEMS

 #4
20240183306
2024-06-06

System and method for transport vehicles using recyclable fuels

 #5
20240159201
2024-05-16

MONOLITHIC HEAT-EXCHANGER BODIES

 #6
20240052797
2024-02-15

HEAT SOURCE TEMPERATURE REGULATION AND WORKING MEDIUM DETECTION FOR CLOSED-CYCLE POWER CONVERSION EQUIPMENT

 #7
20230399995
2023-12-14

Alpha Stirling engine

 #8
20230228229
2023-07-20

Constant density heat exchanger and system for energy conversion

 #9
20230193851
2023-06-22

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

 #10
20230051562
2023-02-16

STIRLING POWERED UNMANNED AERIAL VEHICLE

 #11
20230019495
2023-01-19

Energy conversion apparatus

 #12
20220290630
2022-09-15

Monolithic heat-exchanger bodies

 #13
20220195959
2022-06-23

Engine apparatus and method for operation

 #14
20220111305
2022-04-14

GAS PURIFYING APPARATUS, GAS PURIFYING METHOD AND CONVEYING HEATING APPARATUS

 #15
20220034281
2022-02-03

Energy conversion apparatus

 #16
20210381467
2021-12-09

Constant density heat exchanger and system for energy conversion

 #17
20210062756
2021-03-04

Monolithic heat-exchanger bodies

 #18
20200370842
2020-11-26

Monolithic heat-exchanger bodies

 #19
20200370509
2020-11-26

Monolithic heater bodies

 #20
20200370508
2020-11-26

Monolithic combustor bodies

 #21
20200370505
2020-11-26

Energy conversion apparatus

 #22
20200370503
2020-11-26

Constant density heat exchanger and system for energy conversion

 #23
20200370446
2020-11-26

Energy conversion apparatus

 #24
20200291888
2020-09-17

Actuator device utilizing radiative cooling

 #25
20200088473
2020-03-19

Thermal energy storage apparatus

 #26
20190234342
2019-08-01

Gas purifying apparatus, gas purifying method and conveying heating apparatus

 #27
20190145347
2019-05-16

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

 #28
20190010834
2019-01-10

Process and system for extracting useful work or electricity from thermal sources

 #29
20180106241
2018-04-19

STIRLING ENGINE FOR AN EMISSION-FREE AIRCRAFT

 #30
20180073383
2018-03-15

Thermoacoustic electric generator system

 #31
20170314508
2017-11-02

Rotary compressor for gaseous fluids

 #32
20170022932
2017-01-26

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

 #33
20170002731
2017-01-05

System and modality to generate power from liquid jet in heat engine and more

 #34
20160138800
2016-05-19

Combustion-powered electrodynamic combustion system

 #35
20160025075
2016-01-28

Stirling engine for an emission-free aircraft

 #36
20150345422
2015-12-03

Thermodynamically interactive heat flow process and multi-stage micro power plant

 #37
20150059333
2015-03-05

ENERGY CONVERSION AND ASSOCIATED APPARATUS

 #38
20140260250
2014-09-18

Apparatus, systems, and methods for low grade waste heat management

 #39
20140191154
2014-07-10

COMPOSITIONS COMPRISING 1,1,1,2,2-PENTAFLUOROPROPANE AND A FLUOROOLEFIN AND USES THEREOF

 #40
20140182282
2014-07-03

Floating rod seal for a stirling cycle machine

 #41
20130219879
2013-08-29

Alpha-stream convertor

 #42
20130186090
2013-07-25

Heat engine with external heat source and associated power generation unit and vehicle

 #43
20130160451
2013-06-27

Stirling engine for an emission-free aircraft

 #44
20130133325
2013-05-30

POWER GENERATION DEVICE AND METHOD

 #45
20120317972
2012-12-20

Two cycles heat engine

 #46
20120073298
2012-03-29

ROTARY EXPANSION ENGINE

 #47
20120031091
2012-02-09

High efficiency energy conversion

 #48
20110315183
2011-12-29

Method and apparatus for a thermo-electric engine

 #49
20110259003
2011-10-27

Thermoacoustic engine

 #50
20110259000
2011-10-27

Thermoacoustic engine

 #51
20110168467
2011-07-14

Hybrid Electric Vehicles Using a Stirling Engine

 #52
20110162827
2011-07-07

HEAT EXCHANGER ARRANGEMENT

 #53
20110000182
2011-01-06

Uncoupled, thermal-compressor, gas-turbine engine

 #54
20100028730
2010-02-04

Fuel cell power production system with an integrated hydrogen utilization device

 #55
20100005801
2010-01-14

Ambient temperature thermal energy and constant pressure cryogenic engine

 #56
20090071155
2009-03-19

METHOD AND SYSTEM FOR THERMOCHEMICAL HEAT ENERGY STORAGE AND RECOVERY

 #57
20090071153
2009-03-19

METHOD AND SYSTEM FOR ENERGY STORAGE AND RECOVERY

 #58
20080276615
2008-11-13

Harmonic engine

 #59
20080223033
2008-09-18

External combustion engine

 #60
20080187789
2008-08-07

Integrated fuel cell and heat engine hybrid system for high efficiency power generation

 #61
20070171256
2007-07-26

Inkjet printhead with a two dimensional array of ink ejection nozzle arrangements

 #62
20060238556
2006-10-26

Printhead integrated circuit with electromechanical actuators incorporating heatsinks

 #63
20060107663
2006-05-25

Small scale hybrid engine

 #64
20050268607
2005-12-08

Thermohydrodynamic power amplifier

 #65
20050253898
2005-11-17

Printhead chip with electro-thermal actuators incorporating heatsinks

 #66
20050229595
2005-10-20

Thermodynamic engine

 #67
20050198961
2005-09-15

Cryogenic cogeneration system

 #68
20050167173
2005-08-04

Vehicle with combustion engine and auxiliary power unit

 #69
20050144948
2005-07-07

Individual cogeneration plant and local network

 #70
20050133611
2005-06-23

Nozzle arrangement

 #71
20050126171
2005-06-16

Uncoupled, thermal-compressor, gas-turbine engine

 #72
20050099459
2005-05-12

Printer with microelectromechanical printhead having electro-thermal actuators incorporating heatsinks

 #73
20050076639
2005-04-14

Cryogenic cogeneration system

 #74
20050039452
2005-02-24

Solid state thermal engine

 #75
20050011191
2005-01-20

Unilateral thermal buckle beam actuator

 #76
17482278
2022-10-18

Re-circulating heat pump turbine

 #77
14303374
2016-03-22

Directionally reversible hot air engine system

 #78
13452372
2018-01-16

Performance of a transcritical or supercritical CO2 Rankin cycle engine