ClassID:

155748

F22D1/12 - CPC Classification

Classification description:

Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways Control devices, e.g. for regulating steam temperature

Recent Application in this class:
#1
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ELECTROLYZER SYSTEM WITH STEAM GENERATION AND METHOD OF OPERATING SAME

#2
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Electrolyzer system with steam generation and method of operating same

#3
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2022-08-11

Method of efficiency enhancement of fired heaters without air preheat systems

#4
20190338944
2019-11-07

Method for operating a waste heat steam generator

#5
20190060779
2019-02-28

Systems and methods for enhancing amine agent recovery with a reclaimer

#6
20180363900
2018-12-20

Method for controlling a recovery boiler

#7
20180363557
2018-12-20

Water feeding method, water feeding system implementing said method, and steam generating facility provided with water feeding system

#8
20180328231
2018-11-15

Thermal power generation system and control method for same

#9
20180149388
2018-05-31

Exhaust gas latent heat recovery device

#10
20170234528
2017-08-17

Method and device for generating superheated steam from a working medium

#11
20170074504
2017-03-16

System and method for fluid medium preheating

#12
20160281982
2016-09-29

Methods and systems for controlling gas temperatures

#13
20160223189
2016-08-04

Steam generation apparatus and associated control system and methods for providing a desired injection pressure

#14
20160195261
2016-07-07

Once-through steam generator

#15
20160169504
2016-06-16

Device for preventing steam from being produced in flue gas cooler for oxyfuel combustion boiler

#16
20150107537
2015-04-23

Recovery system of waste heat from flue gas

#17
20150075628
2015-03-19

Steam generation apparatus and associated control system and methods for providing a desired injection pressure

#18
20140260286
2014-09-18

Localized flue gas dilution in heat recovery steam generator

#19
20140123914
2014-05-08

ONCE-THROUGH STEAM GENERATOR

#20
20130125841
2013-05-23

DEVICE FOR RECOVERING RESIDUAL HEAT FROM EXHAUST GAS

#21
20120324893
2012-12-27

Coal-Fired Power Plant, and Method for Operating Coal-Fired Power Plant

#22
20100116227
2010-05-13

Systems and methods for controlling a water heater

#23
20080078337
2008-04-03

Systems and methods for controlling a water heater

#24
20070261647
2007-11-15

Multiple pass economizer and method for SCR temperature control

#25
20070261646
2007-11-15

Multiple pass economizer and method for SCR temperature control

#26
20060174846
2006-08-10

System and methods for controlling a water heater

#27
13725486
2016-07-12

Methods and systems for controlling gas temperatures