ClassID:

155412

F22B1/1815 - CPC Classification

Classification description:

Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines using the exhaust gases of gas-turbines

Recent Application in this class:
#1
20260110255
2026-04-23

INTEGRATED ONCE THROUGH COOLER WATER AND STEAM SHARING SYSTEM FOR MULTI-UNIT GAS TURBINE COMBINED CYCLE POWER BLOCKS

#2
20260055009
2026-02-26

SYSTEM AND METHOD FOR TREATING WASTEWATER FROM AN OILFIELD WELL WITH CO-PRODUCTION OF POWER

#3
20260036069
2026-02-05

INSTALLATION FOR PRODUCING ELECTRICITY OR MECHANICAL POWER, COMPRISING A COMBINED CYCLE GAS TURBINE, AND CO2 CAPTURE AND WATER ELECTROLYSIS UNITS

#4
20250334061
2025-10-30

PARALLEL HEAT RECOVERY IN GAS POWER GENERATION

#5
20250290626
2025-09-18

COMBINED CYCLE UNIT AND NON-OXYGEN-CONSUMING ENERGY STORAGE SYSTEM THEREOF

#6
20250129742
2025-04-24

COMBINED CYCLE POWER GENERATION FACILITY

#7
20240159470
2024-05-16

Once-through heat exchanger and heat recovery steam generator including the same

#8
20220412548
2022-12-29

Hot evaporator refilling

#9
20220381158
2022-12-01

Methods and apparatus for fast starting heat recovery steam generators for combined cycle power plants

#10
20220136437
2022-05-05

Air supplying apparatus and method of hybrid power generation equipment

#11
20220120434
2022-04-21

System and method for top platform assembly of heat recovery steam generator (HRSG)

#12
20210356117
2021-11-18

Humid air turbine power, water extraction, and refrigeration cycle

#13
20210293406
2021-09-23

System and methods for integration of concentrated solar steam generators to Rankine cycle power plants

#14
20210262654
2021-08-26

Multi-circulation heat recovery steam generator for enhanced oil recovery/steam assisted gravity drainage

#15
20210063012
2021-03-04

System and method for top platform assembly of heat recovery steam generator (HRSG)

#16
20200284426
2020-09-10

HRSG with stepped tube restraints

#17
20200263569
2020-08-20

Over-powering

#18
20200200051
2020-06-25

Combined cycle power plant and method for operating the combined cycle power plant

#19
20200056778
2020-02-20

System and methods for integration of concentrated solar steam generators to Rankine cycle power plants

#20
20200032995
2020-01-30

Modular heat recovery steam generator system for rapid installation

#21
20200032675
2020-01-30

System and method for providing supercritical steam

#22
20200011242
2020-01-09

Power plant methods and apparatus

#23
20190353100
2019-11-21

Method with solar assist to capture carbon dioxide and generate electricity, heat and desalinated water

#24
20190353099
2019-11-21

Solar power assisted system for generating electricity, heat and desalinated water

#25
20190323367
2019-10-24

Flow distribution device and method

#26
20190257515
2019-08-22

INTEGRATED HEAT RECOVERY BOILER

#27
20190186729
2019-06-20

Humid air turbine power, water extraction, and refrigeration cycle

#28
20190186300
2019-06-20

Exhaust device and an associated method thereof

#29
20190178487
2019-06-13

Once-through evaporator systems

#30
20190178112
2019-06-13

Remodeling method of combined cycle plant, distribution duct, and combined cycle plant

#31
20190170022
2019-06-06

Components and systems for reducing thermal stress of heat recovery steam generators in combined cycle power plant systems

#32
20190093563
2019-03-28

Fuel preheating system for a combustion turbine engine

#33
20190040766
2019-02-07

Combined cycle plant, method for reducing minimum output thereof, and control device therefor

#34
20190024883
2019-01-24

Multi-stage duct fired heat recovery steam generator and methods of use

#35
20180371956
2018-12-27

Stack energy control in combined cycle power plant using heating surface bypasses

#36
20180340473
2018-11-29

COMBINED CYCLE POWER PLANT SYSTEM ARRANGEMENTS

#37
20180334626
2018-11-22

Gasification apparatus, control device, integrated gasification combined cycle, and control method

#38
20180298779
2018-10-18

Combined cycle plant and method for controlling operation of combine cycle plant

#39
20180292084
2018-10-11

Method and system utilizing waste heat for evaporation

#40
20180283681
2018-10-04

Method for operating a heating boiler and heating boiler for carrying out said method (variants)

#41
20180266673
2018-09-20

Waste-heat steam generator

#42
20180223697
2018-08-09

Systems and methods for controlling machinery stress via temperature trajectory

#43
20180216496
2018-08-02

Heat recovery steam generator with electrical heater system and method

#44
20180171870
2018-06-21

ELECTROCATALYTIC SYSTEM FOR REDUCING PULLUTION AND FUEL CONSUMPTION

#45
20180171829
2018-06-21

Systems and methods for controlling drum levels using flow

#46
20180142580
2018-05-24

Heat recovery steam generator and power plant

#47
20180119577
2018-05-03

System and method for providing supercritical steam

#48
20180058267
2018-03-01

Boiler, steam-generating plant provided with same, and method for operating boiler

#49
20180030857
2018-02-01

Method and device for rapid oil heating for oil-lubricated expansion machines

#50
20170350319
2017-12-07

Power plant methods and apparatus

#51
20170314466
2017-11-02

Solar assisted gas turbine desalination and carbon capture system

#52
20170307208
2017-10-26

Once-through vertical tubed supercritical evaporator coil for an HRSG

#53
20170248037
2017-08-31

System and method for preheating a heat recovery steam generator

#54
20170211426
2017-07-27

System, method and apparatus for minimizing heat loss in a heat recovery steam generator

#55
20170211425
2017-07-27

System, method and apparatus for minimizing heat loss in a heat recovery steam generator

#56
20170138258
2017-05-18

Integrated gasification combined cycle and method for operating integrated gasification combined cycle

#57
20170130953
2017-05-11

Multi-circulation heat recovery steam generator for enhanced oil recovery/steam assisted gravity drainage

#58
20170114718
2017-04-27

Gas turbine cycle equipment, equipment for recovering COfrom flue gas, and method for recovering exhaust heat from combustion flue gas

#59
20170101900
2017-04-13

EXHAUST HEAT COLLECTING SYSTEM

#60
20170030228
2017-02-02

System and method for controlling coolant supply to an exhaust gas

#61
20160369640
2016-12-22

Flow distribution device and method

#62
20160356219
2016-12-08

Gas turbine exhaust diverter system duct guide rails

#63
20160312997
2016-10-27

Method and system for gas initiated natural circulation vertical heat recovery steam generator

#64
20160305650
2016-10-20

Collar supported pressure parts for heat recovery steam generators

#65
20160273405
2016-09-22

Method and plant for co-generation of heat and power

#66
20160245127
2016-08-25

Heat exchanging system and method for a heat recovery steam generator

#67
20160230608
2016-08-11

Single shaft combined cycle power plant shaft arrangement

#68
20160230606
2016-08-11

Combined cycle gas turbine plant comprising a waste heat steam generator and fuel preheating step

#69
20160146059
2016-05-26

Method and device for controlling the spraying of water into the flue gas duct of a gas and steam turbine installation

#70
20160138431
2016-05-19

Humid air turbine power, water extraction, and refrigeration cycle

#71
20150362173
2015-12-17

Multi-Stage Duct Fired Heat Recovery Steam Generator and Methods of Use

#72
20150192039
2015-07-09

Auxillary steam generation arrangement for a combined cycle power plant

#73
20150143793
2015-05-28

Selective pressure kettle boiler for rotor air cooling applications

#74
20150090202
2015-04-02

System and method for drum level control in a drum of a heat recovery steam generator

#75
20140338901
2014-11-20

Enhanced coal-bed methane production

#76
20140331683
2014-11-13

Multivariable controls of heat recovery steam generation system

#77
20140260285
2014-09-18

Gas-to-liquid heat exchange system with multiple liquid flow patterns

#78
20140223820
2014-08-14

Gasifier start-up method, gasifier, and integrated gasification combined cycle facility

#79
20140216365
2014-08-07

System and method for heat recovery steam generators

#80
20140216001
2014-08-07

Air cooling system and method for a heat recovery steam generator inlet

#81
20140190469
2014-07-10

Systems and methods for selectively producing steam from solar collectors and heaters

#82
20140130476
2014-05-15

Heat recovery steam generator and power plant

#83
20140123622
2014-05-08

Combined cycle power plant with absorption heat transformer

#84
20140116049
2014-05-01

System and method for using boiler feedwater

#85
20140109547
2014-04-24

Method for operating a recirculating waste heat steam generator

#86
20140099591
2014-04-10

Duct burner of HRSG with liner film cooling

#87
20140047847
2014-02-20

Method to start up a combined cycle thermal plant for energy production from an off-state to an operational state

#88
20140041358
2014-02-13

Gas cooler, gasification furnace, and integrated gasification combined cycle for carbon-containing fuel

#89
20140000277
2014-01-02

Method for startup and management of a combined cycle heating system for the production of power

#90
20130318941
2013-12-05

Supercharged Combined Cycle System With Air Flow Bypass

#91
20130298568
2013-11-14

Process utilizing high performance air-cooled combined cycle power plant with dual working fluid bottoming cycle and integrated capacity control

#92
20130298559
2013-11-14

Steam power plant with high-temperature heat reservoir

#93
20130247570
2013-09-26

System and method for recovery of waste heat from dual heat sources

#94
20130227961
2013-09-05

Oxy-combustion turboexpander system

#95
20130205796
2013-08-15

Heat integration in COcapture

#96
20130205749
2013-08-15

Steam turbine plant with variable steam supply

#97
20130192193
2013-08-01

Combined cycle power plant with solar assisted cooling of compressor inlet air

#98
20130192190
2013-08-01

Method and system for use with an integrated gasification combined cycle plant

#99
20130180228
2013-07-18

Supercritical heat recovery steam generator reheater and supercritical evaporator arrangement

#100
20130145772
2013-06-13

Combined cycle power plant black start method where steam turbine provides increase in demanded load

#101
20130133594
2013-05-30

Steam generation systems and methods for controlling operation of same

#102
20130091884
2013-04-18

Heat powered reciprocating piston engine

#103
20130047615
2013-02-28

Emissions prediction system for power generation system

#104
20130047613
2013-02-28

Systems and methods for heat recovery steam generation optimization

#105
20120317981
2012-12-20

HEAT RECOVERY STEAM GENERATOR, METHOD FOR RETROFITTING A HEAT RECOVERY STEAM GENERATOR AND RELATED PROCESS FOR GENERATING POWER

#106
20120312019
2012-12-13

PROCESS AND APPARATUS FOR HEATING FEEDWATER IN A HEAT RECOVERY STEAM GENERATOR

#107
20120312018
2012-12-13

Green SMR to refuel HRSG duct burners

#108
20120294789
2012-11-22

CO shift catalyst, CO shift reactor, and method for purifying gasified gas

#109
20120279596
2012-11-08

Arrangement for influencing an exhaust gas flow

#110
20120274078
2012-11-01

Hybrid concentrated solar combined cycle power plant and solar reformer for use therein

#111
20120260668
2012-10-18

Combined cycle power plant with thermal load reduction system

#112
20120260621
2012-10-18

Combined cycle power plant

#113
20120222426
2012-09-06

INTEGRATED GAS TURBINE, SAGD BOILER AND CARBON CAPTURE

#114
20120198846
2012-08-09

AIR COOLING SYSTEM AND METHOD FOR A HEAT RECOVERY STEAM GENERATOR INLET

#115
20120186253
2012-07-26

Heat Recovery Steam Generator Boiler Tube Arrangement

#116
20120137698
2012-06-07

Cogeneration plant with a division module recirculating with a first combustion gas flow and separating carbon dioxide with a second combustion gas flow

#117
20120102962
2012-05-03

Heat exchanger for a combined cycle power plant

#118
20120096864
2012-04-26

AIR COOLED CONDENSER FOGGING CONTROL SYSTEM

#119
20120073520
2012-03-29

CONTINUOUS EVAPORATOR

#120
20120031069
2012-02-09

COMBINED CYCLE POWER GENERATING DEVICE

#121
20120024241
2012-02-02

Continuous evaporator

#122
20120000200
2012-01-05

INERT GAS PURGING SYSTEM FOR AN ORC HEAT RECOVERY BOILER

#123
20110315095
2011-12-29

CONTINUOUS EVAPORATOR

#124
20110315094
2011-12-29

Continuous Evaporator

#125
20110295432
2011-12-01

Method and system for safe drum water level determination in a combined cycle operation

#126
20110232292
2011-09-29

Combined fuel and air staged power generation system

#127
20110209479
2011-09-01

Systems and methods for prewarming heat recovery steam generator piping

#128
20110197510
2011-08-18

METHOD AND APPARATUS TO REACTIVATE CARBON SOLIDS

#129
20110185744
2011-08-04

Method and apparatus for combined cycle power plant startup

#130
20110179800
2011-07-28

Sequential combustor gas turbine including a plurality of gaseous fuel injection nozzles and method for operating the same

#131
20110173989
2011-07-21

Combined cycle power plant with split compressor

#132
20110162382
2011-07-07

IGCC power plant having flue gas recirculation and flushing gas

#133
20110162369
2011-07-07

Gas turbine, exhaust diffuser, and method of modifying gas turbine plant

#134
20110162368
2011-07-07

Combined cycle system employing phase change material

#135
20110160979
2011-06-30

Method of estimating the maximum power generation capacity and for controlling a specified power reserve of a single cycle or combined cycle gas turbine power plant, and a power generating system for use with said method

#136
20110146307
2011-06-23

CONDENSER VENTILATION CONTROL

#137
20110100009
2011-05-05

Heat Exchanger for Direct Evaporation in Organic Rankine Cycle Systems and Method

#138
20110048010
2011-03-03

Apparatus and method for close coupling of heat recovery steam generators with gas turbines

#139
20100293918
2010-11-25

Method and system for use with an integrated gasification combined cycle plant

#140
20100199683
2010-08-12

Optimization of low-BTU fuel-fired combined-cycle power plant by performance heating

#141
20100071342
2010-03-25

Integrated gas turbine exhaust diffuser and heat recovery steam generation system

#142
20100043442
2010-02-25

DIMPLED SERRATED FINTUBE STRUCTURE

#143
20100024382
2010-02-04

Heat recovery steam generator for a combined cycle power plant

#144
20100000225
2010-01-07

Combined heat, ice, power, and steam system

#145
20090282803
2009-11-19

Emission reduction method for use with a heat recovery steam generation system

#146
20090252659
2009-10-08

Method and apparatus for flue gas treatment

#147
20090071419
2009-03-19

Steam generator

#148
20080190382
2008-08-14

Steam generator in horizontal constructional form

#149
20070214766
2007-09-20

Gas turbine engine

#150
20070119388
2007-05-31

Heat exchanger tube panel module, and method of constructing exhaust heat recovery boiler using the same

#151
20070084418
2007-04-19

Steam generator with hybrid circulation

#152
20070062175
2007-03-22

Flexible flow control device for cogeneration ducting applications

#153
20070044475
2007-03-01

Exhaust gas guide of a gas turbine and method for mixing the exhaust gas of the gas turbine

#154
20070034167
2007-02-15

Continuous steam generator and method for operating said continuous steam generator

#155
20070028859
2007-02-08

Method for starting a continuous steam generator and continuous steam generator for carrying out said method

#156
20060288962
2006-12-28

Horizontally constructed continuous steam generator and method for the operation thereof

#157
20060192023
2006-08-31

Method for starting a steam generator comprising a heating gas channel that can be traversed in an approximately horizontal heating gas direction and a steam generator

#158
20060175040
2006-08-10

Heat transfer tube panel module and method of constructing exhaust heat recovery boiler using the module

#159
20060162315
2006-07-27

Waste heat steam generator

#160
20060144348
2006-07-06

Heat recovery steam generator

#161
20060081359
2006-04-20

Operating method for a horizontal steam generator and a steam generator for carrying out said method

#162
20060075977
2006-04-13

Steam generator

#163
20050268594
2005-12-08

Fast start-up combined cycle power plant

#164
20050257753
2005-11-24

Horizontally assembled steam generator

#165
20050120699
2005-06-09

Heat recovery apparatus with aerodynamic diffusers

#166
17455099
2023-01-03

Method and device to improve the performance of a power plant integrated with a thermal energy storage system