ClassID:

139111

F02C1/02 - 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 an unheated pressurised gas

Recent Application in this class:
#1
20250318971
2025-10-16

ENERGY MANAGEMENT FOR A STRETCHER OR OTHER OCCUPANT SUPPORT

#2
20250282551
2025-09-11

SYSTEM AND METHOD TO STORE FLUID UNDERGROUND

#3
20250206539
2025-06-26

METHOD OF ENHANCING EFFICIENCY OF GEOMECHANICAL ENERGY STORAGE SYSTEMS

#4
20250137389
2025-05-01

ENERGY GENERATION SYSTEM FOR NON-TRADITIONAL COMBUSTIBLE FLUID SOURCE

#5
20250059910
2025-02-20

Electrical power generating system

#6
20250020109
2025-01-16

CASCADED ENERGY STORAGE SYSTEM AND ENERGY STORAGE METHOD THEREOF

#7
20240418155
2024-12-19

POWER PLANT CYCLE FOR A NEW RENEWABLE ENERGY OR OTHER HEAT SOURCE FACILITATED BY A SUPERSONIC SHOCK WAVE COMPRESSOR APPARATUS

#8
20230323785
2023-10-12

Producing power with turboexpander generators based on specified output conditions

#9
20230279807
2023-09-07

Method for producing power with stored energy

#10
20230212961
2023-07-06

Energy generation system for non-traditional combustible fluid source

#11
20230167809
2023-06-01

Intake-adaptable gas generator

#12
20230143187
2023-05-11

ADDITIVELY MANUFACTURED GAS TURBINE ENGINE AND VENTILATOR

#13
20230044056
2023-02-09

Multi-stage turbocharging compressor for fuel cell systems

#14
20220228529
2022-07-21

Air Powered Engine Assembly

#15
20220220894
2022-07-14

Compressed air energy storage power generation device

#16
20220178355
2022-06-09

System for controlling an operational parameter of a gas generator based on a difference between a measurement and a target value

#17
20220162986
2022-05-26

Offshore oscillating water column wave energy conversion device with external permeable structure

#18
20220151847
2022-05-19

ENERGY MANAGEMENT FOR A STRETCHER OR OTHER OCCUPANT SUPPORT

#19
20220077798
2022-03-10

Multi-stage serial turbo-generator system for supercritical CO2 power cycles

#20
20220042451
2022-02-10

Energy recapturing apparatus

#21
20210404449
2021-12-30

Intake-adaptable gas generator

#22
20210381428
2021-12-09

COMPRESSED AIR ENERGY STORAGE POWER GENERATION DEVICE AND COMPRESSED AIR ENERGY STORAGE POWER GENERATION METHOD

#23
20210372322
2021-12-02

Gas storage apparatus and method

#24
20210180861
2021-06-17

Method for power generation during the regasification of a fluid by supercritical expansion

#25
20210017905
2021-01-21

Compressed air energy storage power generation apparatus

#26
20210003031
2021-01-07

COMPRESSED AIR ENERGY STORAGE POWER GENERATION APPARATUS AND COMPRESSED AIR ENERGY STORAGE POWER GENERATION METHOD

#27
20200355117
2020-11-12

Multi-stage turbocharging compressor for fuel cell systems

#28
20200332678
2020-10-22

Expansion turbine

#29
20200129351
2020-04-30

Energy management for a stretcher or other occupant support

#30
20200088061
2020-03-19

EXTERNAL AUTOMATED BRAKING SYSTEM FOR RAIL-BASED VEHICLES

#31
20200059179
2020-02-20

SYSTEM AND METHOD FOR ELECTRICITY PRODUCTION FROM PRESSURE REDUCTION OF NATURAL GAS

#32
20200018230
2020-01-16

Compressed air energy storage power generation device

#33
20200003116
2020-01-02

Compressed air energy storage power generation device

#34
20190353056
2019-11-21

Power recovery

#35
20190323385
2019-10-24

Power generation

#36
20190301774
2019-10-03

High-pressure hydrogen filling system with expansion turbine

#37
20190234301
2019-08-01

Multi-stage radial turboexpander

#38
20190186359
2019-06-20

Rotor bow management

#39
20190153961
2019-05-23

GAS TURBINE SYSTEM

#40
20190041124
2019-02-07

Integrated expander-motor compressor

#41
20180080379
2018-03-22

Liquid air power and storage with carbon capture

#42
20180031315
2018-02-01

Carbon Dioxide Capture from Flu Gas

#43
20170341760
2017-11-30

Energy flow of an advanced environmental control system

#44
20170327235
2017-11-16

Dual-use air turbine system for a gas turbine engine

#45
20170292350
2017-10-12

System and method for generating rotational power

#46
20170250639
2017-08-31

Pneumatic Power Generator

#47
20170059091
2017-03-02

ENERGY RECOVERY FROM REDUCTION IN PRESSURE OF A DENSE PHASE HYDROCARBON FLUID

#48
20170038008
2017-02-09

COLD UTILIZATION SYSTEM, ENERGY SYSTEM COMPRISING COLD UTILIZATION SYSTEM, AND METHOD FOR UTILIZING COLD UTILIZATION SYSTEM

#49
20170016395
2017-01-19

Power augmentation system for a gas turbine

#50
20160297304
2016-10-13

Air start steam engine

#51
20160228807
2016-08-11

Stored gas pressure recovery system

#52
20160222970
2016-08-04

High-flow-capacity centrifugal hydrogen gas compression systems, methods and components therefor

#53
20160222881
2016-08-04

System and method for storing energy in form of compressed air in tubes integrated in a tank containing water and water vapour

#54
20160208973
2016-07-21

Indirect fluid heater

#55
20160156060
2016-06-02

METHOD FOR GENERATING ENERGY FROM A GAS FLOW, AND SYSTEM AND PLANT FOR ENERGY GENERATION FROM A FLUE GAS

#56
20160153454
2016-06-02

ANTI-FREEZE DISTRIBUTION SYSTEM

#57
20160131115
2016-05-12

Systems and methods of utilizing axial flow expanders

#58
20160053441
2016-02-25

Pneumatic roadway energy recovery system

#59
20150192065
2015-07-09

PROCESS AND APPARATUS FOR GENERATING ELECTRIC ENERGY

#60
20150101333
2015-04-16

Rotational machine, such as a turbomachine, and engines and flying machines incorporating same

#61
20150001849
2015-01-01

Energy Recovery Apparatus for a Refrigeration System

#62
20140321964
2014-10-30

Turbine nozzle and shroud for air cycle machine

#63
20140321963
2014-10-30

Turbine nozzle and shroud for air cycle machine

#64
20140321962
2014-10-30

Turbine nozzle for air cycle machine

#65
20140298788
2014-10-09

GAS TURBINE ENGINE INCLUDING PNEUMATIC ACTUATOR SYSTEM

#66
20140248121
2014-09-04

Aircraft power system

#67
20140238039
2014-08-28

System and method for operating a power plant

#68
20140238022
2014-08-28

System for storing energy by means of compressed air

#69
20140196456
2014-07-17

STORAGE ENERGY GENERATION METHOD UTILIZING NATURAL ENERGY AND GENERATION SYSTEM THEREOF

#70
20130241204
2013-09-19

Air start steam engine

#71
20130047939
2013-02-28

EFFICIENT ENERGY RECOVERING AIR INLET SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

#72
20130015669
2013-01-17

Method and an apparatus for obtaining energy by expanding a gas at a wellhead

#73
20120227392
2012-09-13

System and method for storing, disseminating, and utilizing energy in the form of gas compression and expansion including thermo-dynamic battery

#74
20120132477
2012-05-31

Compressed air engine and motor vehicle

#75
20120111531
2012-05-10

Pressure reducing gas storage device, air-jet system, and motor vehicle

#76
20120011857
2012-01-19

High-flow-capacity centrifugal hydrogen gas compression systems, methods and components therefor

#77
20110300464
2011-12-08

Apparatus and method of recovering vapors

#78
20110277467
2011-11-17

Hybrid air turbine engine with heat recapture system for moving vehicle

#79
20110226010
2011-09-22

CARBON DIOXIDE CAPTURE FROM FLUE GAS

#80
20110169275
2011-07-14

Power generation

#81
20110100213
2011-05-05

System and method for reducing moisture in a compressed air energy storage system

#82
20110097225
2011-04-28

AIR COMPRESSION AND EXPANSION SYSTEM WITH SINGLE SHAFT COMPRESSOR AND TURBINE ARRANGEMENT

#83
20110094231
2011-04-28

ADIABATIC COMPRESSED AIR ENERGY STORAGE SYSTEM WITH MULTI-STAGE THERMAL ENERGY STORAGE

#84
20110094230
2011-04-28

SYSTEM AND METHOD FOR CARBON DIOXIDE CAPTURE IN AN AIR COMPRESSION AND EXPANSION SYSTEM

#85
20110094212
2011-04-28

COMPRESSED AIR ENERGY STORAGE SYSTEM WITH REVERSIBLE COMPRESSOR-EXPANDER UNIT

#86
20110048008
2011-03-03

Hydro-Electric reactor

#87
20110041501
2011-02-24

Power generation directly from compressed air for exploiting wind and solar power

#88
20110005226
2011-01-13

System and method for storing, dissiminating, and utilizing energy in the form of gas compression and expansion including thermo-dynamic battery

#89
20100327592
2010-12-30

AIR-INLET SYSTEM FOR INTERNAL COMBUSTION ENGINE, AIR-CONDITIONING SYSTEM AND COMBUSTION ENGINE COMPRISING THE AIR-INLET SYSTEM

#90
20100314074
2010-12-16

System for efficient fluid depressurisation

#91
20100300775
2010-12-02

Air turbine engine for moving vehicle

#92
20100295310
2010-11-25

Non-fuel combusting stand alone air turbine engine

#93
20100272588
2010-10-28

Energy recovery system in a gas compression plant

#94
20100237619
2010-09-23

Power recovery machine

#95
20100052329
2010-03-04

Air flow dynamo-selfbooster

#96
20100043439
2010-02-25

Method to pre-heat natural gas at gas pressure reduction stations

#97
20100005809
2010-01-14

GENERATING ELECTRICITY THROUGH WATER PRESSURE

#98
20090309371
2009-12-17

System and Method of Power Production

#99
20090272115
2009-11-05

Method of Utilization of Gas Expansion Energy and Utilization Power Installation for Implementation of this Method

#100
20090230696
2009-09-17

Method and apparatus for using solar energy to enhance the operation of a compressed air energy storage system

#101
20090211260
2009-08-27

Multi-Spool Intercooled Recuperated Gas Turbine

#102
20090072537
2009-03-19

System and method for converting moist air into water and power

#103
20090071734
2009-03-19

Method and Apparatus for Generating Electrical Power with Compressed Air and Vehicle Incorporating the Same

#104
20090000266
2009-01-01

Pneumatic Operating Driving Device

#105
20080246281
2008-10-09

Turboalternator with hydrodynamic bearings

#106
20080240908
2008-10-02

Expansion turbine having a variable nozzle mechanism

#107
20080127632
2008-06-05

CARBON DIOXIDE CAPTURE SYSTEMS AND METHODS

#108
20080122226
2008-05-29

Compact assemblies for high efficiency performance of cryogenic liquefied gas expanders and pumps

#109
20070245735
2007-10-25

System and method for storing, disseminating, and utilizing energy in the form of gas compression and expansion including a thermo-dynamic battery

#110
20070240435
2007-10-18

Method for predicting air cycle machine turbine ice formation and shedding and journal bearing wear

#111
20070120367
2007-05-31

Method and system for generating electricity utilizing naturally occurring gas

#112
20070042690
2007-02-22

Rotor structure of pneumatic tool

#113
20070009369
2007-01-11

System and method for use of a gas

#114
20070006586
2007-01-11

Serving end use customers with onsite compressed air energy storage systems

#115
20060174605
2006-08-10

Berry zero hydrocarbons engine

#116
20060150928
2006-07-13

Air supply device for an internal combustion engine

#117
20060123790
2006-06-15

Obrin power system compression type

#118
20050217275
2005-10-06

Devices, systems and methods for generating electricity from gases stored in containers under pressure

#119
20050217259
2005-10-06

Gas energy conversion apparatus and method

#120
20050210878
2005-09-29

System and method for storing, disseminating, and utilizing energy in the form of gas compression and expansion including a thermo-dynamic battery

#121
20050000212
2005-01-06

Thermo-dynamic battery storage unit

#122
19054410
2026-03-10

Thermo-magnetic motor

#123
17899326
2024-08-27

Electrical power generation using compressed gas

#124
17820727
2023-02-21

Cryogenic oil-free direct drive turbogenerator

#125
17456823
2023-05-09

Energy generation system for non-traditional combustible fluid source

#126
16444285
2020-06-30

Hyperbaric power plant

#127
16262419
2022-03-22

Compressed gas energy harvesting system

#128
15917155
2020-09-08

Gas-assisted air turbine system for generating electricity