ClassID:

155608

F22B35/007 - CPC Classification

Classification description:

Control systems for steam boilers Control systems for waste heat boilers

Recent Application in this class:
#1
20250303358
2025-10-02

EXHAUST GAS TREATMENT SYSTEM, POWER GENERATION FACILITY COMPRISING SAME, AND EXHAUST GAS TREATMENT METHOD

#2
20250297733
2025-09-25

TEMPERATURE CONTROL MEANS IN A WASTE HEAT BOILER

#3
20250290626
2025-09-18

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

#4
20250067427
2025-02-27

HEAT DAMPER FOR A WASTE HEAT RECOVERY UNIT AND WASTE HEAT RECOVERY UNIT COMPRISING A HEAT DAMPER

#5
20220186927
2022-06-16

SYSTEM FOR RECOVERING HEAT FROM FLUE GAS, CONTROL ARRANGEMENT FOR USE IN SUCH A SYSTEM AND A METHOD PERFORMED BY SUCH A CONTROL ARRANGEMENT

#6
20210262654
2021-08-26

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

#7
20210131312
2021-05-06

Water feedback in vertical forced-flow steam generators

#8
20200284427
2020-09-10

System and method to improve combined cycle plant power generation capacity via heat recovery energy control

#9
20200011242
2020-01-09

Power plant methods and apparatus

#10
20190078772
2019-03-14

HEAT EXCHANGER FOR HEATING WATER

#11
20190003708
2019-01-03

Oxy-fuel combustion and power generation system

#12
20180171829
2018-06-21

Systems and methods for controlling drum levels using flow

#13
20180148389
2018-05-31

Rural bulk organic waste pollutant source comprehensive treatment system and method

#14
20170350319
2017-12-07

Power plant methods and apparatus

#15
20170336067
2017-11-23

Assembly having a number of heat exchangers, and method for evaporating a working medium

#16
20170130953
2017-05-11

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

#17
20170089295
2017-03-30

Heat energy recovery system

#18
20160161106
2016-06-09

Shell-and-tube apparatus for heat recovery from a hot process stream

#19
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

#20
20150167961
2015-06-18

Controlling boiler drum level

#21
20150159861
2015-06-11

Waste heat boiler with bypass and mixer

#22
20150090202
2015-04-02

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

#23
20140331683
2014-11-13

Multivariable controls of heat recovery steam generation system

#24
20140260285
2014-09-18

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

#25
20140216365
2014-08-07

System and method for heat recovery steam generators

#26
20140216001
2014-08-07

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

#27
20140034044
2014-02-06

Method for operating a directly heated, solar-thermal steam generator

#28
20130180475
2013-07-18

WASTE HEAT BOILER

#29
20130047615
2013-02-28

Emissions prediction system for power generation system

#30
20120312019
2012-12-13

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

#31
20120260668
2012-10-18

Combined cycle power plant with thermal load reduction system

#32
20120260621
2012-10-18

Combined cycle power plant

#33
20120247406
2012-10-04

METHOD OF CONTROLLING DRUM TEMPERATURE TRANSIENTS

#34
20120198846
2012-08-09

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

#35
20110295432
2011-12-01

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

#36
20110225972
2011-09-22

Method for operating a waste heat steam generator

#37
20110120127
2011-05-26

LOW ENERGY PROCESS FOR THE PRODUCTION OF AMMONIA OR METHANOL

#38
20110023487
2011-02-03

Method for controlling a steam generator and control circuit for a steam generator

#39
20100273118
2010-10-28

HEAT TRANSFER TUBE MONITORING APPARATUS

#40
20100187319
2010-07-29

RANKINE CYCLE POWER PLANT HEAT SOURCE CONTROL

#41
20090183660
2009-07-23

Method for controlling the combustion air supply in a steam generator that is fueled with fossil fuels

#42
20090099667
2009-04-16

Plant controlling device and method, thermal power plant, and its control method

#43
20070169721
2007-07-26

Monitoring a degradation of steam generator boiler tubes

#44
20070125317
2007-06-07

Waste heat boiler