ClassID:

139115

F02C1/08 - CPC Classification

Classification description:

Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly Semi-closed cycles

Recent Application in this class:
#1
20250290444
2025-09-18

ATTENUATED COMBUSTION FOR CLEAN POWER AND HYDROGEN CAPTURE

#2
20250237170
2025-07-24

POWER SYSTEM HAVING A GAS TURBINE ENGINE

#3
20250237167
2025-07-24

SYSTEM FOR ENERGY STORAGE, COMPRESSION AND RECOVERY

#4
20240360785
2024-10-31

Attenuated combustion for clean power and hydrogen capture

#5
20240167416
2024-05-23

Reconfigurable hybrid solar gas turbine system operating in a semi-open cycle

#6
20230366350
2023-11-16

WASTE HEAT RECOVERY SYSTEM

#7
20230203966
2023-06-29

USE OF EXTERNAL AIR FOR CLOSED CYCLE INVENTORY CONTROL

#8
20220403791
2022-12-22

Method for operating gas turbine combustor

#9
20220235746
2022-07-28

CONCENTRATED SOLAR POWER GENERATION USING SOLAR RECEIVERS

#10
20220010726
2022-01-13

HIGH EFFICIENCY POWER GENERATION SYSTEM AND SYSTEM UPGRADES

#11
20210388764
2021-12-16

Low-grade heat optimization of recuperative supercritical COpower cycles

#12
20210180522
2021-06-17

Use of external air for closed cycle inventory control

#13
20200263603
2020-08-20

Turbocharger systems and method for capturing a process gas

#14
20200123935
2020-04-23

Supercritical COcycle coupled to chemical looping arrangement

#15
20200109662
2020-04-09

High efficiency power generation system and system upgrades

#16
20200063739
2020-02-27

TURBOMACHINERY

#17
20190376419
2019-12-12

Systems and methods for power production using nested COcycles

#18
20190353146
2019-11-21

Concentrated solar power generation using solar receivers

#19
20190162122
2019-05-30

Use of external air for closed cycle inventory control

#20
20190153938
2019-05-23

Gas turbine blower/pump

#21
20190153937
2019-05-23

HYBRID FOSSIL FUEL AND SOLAR HEATED SUPERCRITICAL CARBON DIOXIDE POWER GENERATING SYSTEM AND METHOD

#22
20190072007
2019-03-07

Method for liquid air energy storage with semi-closed CObottoming cycle

#23
20190063319
2019-02-28

Low-grade heat optimization of recuperative supercritical COpower cycles

#24
20190063315
2019-02-28

High-efficiency power generation system

#25
20180195498
2018-07-12

Concentrated solar power generation using solar receivers

#26
20180187627
2018-07-05

Use of external air for closed cycle inventory control

#27
20180156136
2018-06-07

Erosion suppression system and method in an exhaust gas recirculation gas turbine system

#28
20180094580
2018-04-05

Compressor flow extraction apparatus and methods for supercritical COoxy-combustion power generation system

#29
20170107904
2017-04-20

Gas turbine facility with supercritical fluid “CO2” recirculation

#30
20170089205
2017-03-30

Turbine engine assembly and method of assembling the same

#31
20170067373
2017-03-09

Integrated LNG gasification and power production cycle

#32
20170058712
2017-03-02

Systems and methods for power production using nested COcycles

#33
20160363009
2016-12-15

System and method for startup of a power production plant

#34
20160341120
2016-11-24

High efficiency power generation system and system upgrades

#35
20160326916
2016-11-10

Supercritical CO2 generation system

#36
20160177826
2016-06-23

Process and configuration to obtain a compressed gas

#37
20160069262
2016-03-10

Production of low pressure liquid carbon dioxide from a power production system and method

#38
20150377148
2015-12-31

Method and system for combustion control for gas turbine system with exhaust gas recirculation

#39
20150377146
2015-12-31

Erosion suppression system and method in an exhaust gas recirculation gas turbine system

#40
20150345393
2015-12-03

Systems and methods for utilizing gas turbine compartment ventilation discharge air

#41
20150275697
2015-10-01

High efficiency power generation system and system upgrades

#42
20150226133
2015-08-13

Gas turbine load control system

#43
20150167554
2015-06-18

Gas turbine device using supercritical fluid as cooling fluid

#44
20150059313
2015-03-05

Gas turbine facility

#45
20150033748
2015-02-05

System and method for an oxidant heating system

#46
20150007568
2015-01-08

Power generation apparatus, power generation method, decomposition-gas turbine and decomposition-gas boiler

#47
20150000293
2015-01-01

Systems and methods for controlling exhaust gas flow in exhaust gas recirculation gas turbine systems

#48
20140360200
2014-12-11

Gas turbine power plant with exhaust gas recirculation

#49
20140338901
2014-11-20

Enhanced coal-bed methane production

#50
20140338335
2014-11-20

High efficiency power generation system and system upgrades

#51
20140260305
2014-09-18

Lean azimuthal flame combustor

#52
20140250908
2014-09-11

Systems and methods for controlling combustion of a fuel

#53
20140123672
2014-05-08

System and method for diffusion combustion in a stoichiometric exhaust gas recirculation gas turbine system

#54
20140123669
2014-05-08

System and method for diffusion combustion with oxidant-diluent mixing in a stoichiometric exhaust gas recirculation gas turbine system

#55
20140123668
2014-05-08

System and method for diffusion combustion with fuel-diluent mixing in a stoichiometric exhaust gas recirculation gas turbine system

#56
20140123624
2014-05-08

Gas turbine combustor control system for stoichiometric combustion in the presence of a diluent

#57
20140083109
2014-03-27

Systems and methods for carbon dioxide capture in low emission combined turbine systems

#58
20140047818
2014-02-20

Low emission power generation systems and methods incorporating carbon dioxide separation

#59
20140023478
2014-01-23

Axially balancing a turbine using low temperature exhaust

#60
20140020872
2014-01-23

Aircraft/spacecraft fluid cooling system and aircraft/spacecraft fluid cooling method

#61
20130298557
2013-11-14

Concentrated solar power generation using solar receivers

#62
20130269361
2013-10-17

METHODS RELATING TO REHEAT COMBUSTION TURBINE ENGINES WITH EXHAUST GAS RECIRCULATION

#63
20130269356
2013-10-17

METHOD AND SYSTEM FOR CONTROLLING A STOICHIOMETRIC EGR SYSTEM ON A REGENERATIVE REHEAT SYSTEM

#64
20130180242
2013-07-18

Engine assembly and waste heat recovery system

#65
20130118145
2013-05-16

HYBRID FOSSIL FUEL AND SOLAR HEATED SUPERCRITICAL CARBON DIOXIDE POWER GENERATING SYSTEM AND METHOD

#66
20130104525
2013-05-02

Integrated LNG gasification and power production cycle

#67
20130086882
2013-04-11

Power plant including an exhaust gas recirculation system for injecting recirculated exhaust gases in the fuel and compressed air of a gas turbine engine

#68
20130047576
2013-02-28

Method for operating a gas turbine power plant with flue gas recirculation

#69
20120240590
2012-09-27

Gas turbine power plant with flue gas recirculation and oxygen-depleted cooling gas

#70
20120090352
2012-04-19

Methods and apparatus for an oxy-fuel based power cycle

#71
20120036860
2012-02-16

Gas turbine plant with exhaust gas recirculation and also method for operating such a plant

#72
20120023958
2012-02-02

Control method for stoichiometric exhaust gas recirculation power plant

#73
20120023946
2012-02-02

Emissions-critical charge cooling using an organic rankine cycle

#74
20110262269
2011-10-27

VALVES FOR GAS-TURBINES AND MULTIPRESSURE GAS-TURBINES, AND GAS-TURBINES THEREWITH

#75
20110247313
2011-10-13

System for heating an airstream by recirculating waste heat of a turbomachine

#76
20110107736
2011-05-12

System for recirculating the exhaust of a turbomachine

#77
20100247292
2010-09-30

System and method of cooling turbine airfoils with sequestered carbon dioxide

#78
20100180565
2010-07-22

METHODS FOR INCREASING CARBON DIOXIDE CONTENT IN GAS TURBINE EXHAUST AND SYSTEMS FOR ACHIEVING THE SAME

#79
20100126181
2010-05-27

Method for controlling an exhaust gas recirculation system

#80
20100058758
2010-03-11

Exhaust gas recirculation system, turbomachine system having the exhaust gas recirculation system and exhaust gas recirculation control method

#81
20100050639
2010-03-04

Indirect-fired gas turbine power plant

#82
20100043388
2010-02-25

Gas turbine engine arrangement

#83
20100003123
2010-01-07

INLET AIR HEATING SYSTEM FOR A GAS TURBINE ENGINE

#84
20090301054
2009-12-10

TURBINE SYSTEM HAVING EXHAUST GAS RECIRCULATION AND REHEAT

#85
20090205334
2009-08-20

Systems and methods for exhaust gas recirculation (EGR) for turbine engines

#86
20090107141
2009-04-30

System for recirculating the exhaust of a turbomachine

#87
20080302104
2008-12-11

Catalytic engine

#88
20080141652
2008-06-19

Ring jet propulsor

#89
20080104958
2008-05-08

Power plants that utilize gas turbines for power generation and processes for lowering COemissions

#90
20070132247
2007-06-14

Electric power generation system

#91
20070041830
2007-02-22

Hydrodynamic closed loop turboset-selfbooster

#92
20060272331
2006-12-07

Thermal power plant with sequential combustion and reduced-COemission, and a method for operating a plant of this type

#93
20060260290
2006-11-23

Humid air turbine cycle with carbon dioxide recovery

#94
20060141407
2006-06-29

Partially-open fired heater cycle providing high thermal efficiencies and ultra-low emissions

#95
20060037337
2006-02-23

Combined cooling and power plant with water extraction

#96
20050236602
2005-10-27

Working fluid compositions for use in semi-closed Brayton cycle gas turbine power systems

#97
20050196659
2005-09-08

Hybrid power generating system combining a fuel cell and a gas turbine

#98
18633815
2024-10-29

Power plant cycle using renewable energy facilitated by a supersonic shock wave compressor apparatus

#99
18433518
2024-10-29

Power plant cycle for a new renewable energy or other heat source facilitated by a supersonic shock wave compressor apparatus