F22D1/02 - CPC Classification Index

ClassID:

155743 ⎘

F22D1/02 - 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

Sub-classes:

F22D1/04 » the tubes having plain outer surfaces, e.g. in vertical arrangement 3
F22D1/08 » the tubes having fins, ribs, gills, corrugations, or the like on their outer surfaces, e.g. in vertical arrangement 6
F22D1/12 » Control devices, e.g. for regulating steam temperature 26
F22D1/14 » Safety or venting devices 2

Recent Application in this class:

20250137151

2025-05-01

BOILER SYSTEM AND METHOD FOR OPERATING BOILER SYSTEM

20240418361

2024-12-19

STEAM BOILER SYSTEM AND METHOD OF CIRCULATING WATER AND STEAM IN A STEAM BOILER SYSTEM

20240353093

2024-10-24

STEAM GENERATOR AND METHOD

20230243499

2023-08-03

LOW TEMPERATURE HEAT EXCHANGING SYSTEM AND METHOD FOR A HEAT RECOVERY STEAM GENERATOR

20230175685

2023-06-08

Steam boiler system and method of circulating water and steam in a steam boiler system

20230022466

2023-01-26

Steam generation apparatus and exhaust gas heat recovery plant

20220205631

2022-06-30

Economizer

20190178488

2019-06-13

Once-through evaporator systems

20180209692

2018-07-26

Hot water tank

#10

20180209638

2018-07-26

Energy saving boiler system of steam supply

#11

20180058267

2018-03-01

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

#12

20170307207

2017-10-26

Control method for operating a heat recovery steam generator

#13

20170175589

2017-06-22

Condensing heat recovery steam generator

#14

20170159502

2017-06-08

Carbon dioxide capture interface for power generation facilities

#15

20160245127

2016-08-25

Heat exchanging system and method for a heat recovery steam generator

#16

20160223190

2016-08-04

Steam generation apparatus and associated control system and methods for providing venting

#17

20160138797

2016-05-19

Boiler water supply preheater system and boiler water supply preheating method

#18

20160091197

2016-03-31

Fossil-fuel power plant and fossil-fuel power plant operation method

#19

20160053996

2016-02-25

Combustion and flue gas treatment system and SOremoval unit

#20

20160025330

2016-01-28

Steam generator and method for generating steam

#21

20150362176

2015-12-17

Boiler system comprising an integrated economizer

#22

20150323180

2015-11-12

Coal fired oxy plant with air separation unit including parallel coupled heat exchanger

#23

20150075629

2015-03-19

Steam generation apparatus and associated control system and methods for providing venting

#24

20150059661

2015-03-05

Gasification apparatus

#25

20150053152

2015-02-26

BOILER WITH INTEGRATED ECONOMIZER

#26

20140262257

2014-09-18

Small supercritical once-thru steam generator

#27

20140260286

2014-09-18

Localized flue gas dilution in heat recovery steam generator

#28

20140260285

2014-09-18

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

#29

20140123915

2014-05-08

Economizer arrangement for steam generator

#30

20140041601

2014-02-13

Steam generator

#31

20140033712

2014-02-06

M-type pulverized coal boiler suitable for ultrahigh steam temperature

#32

20140014048

2014-01-16

Axial flow steam generator feedwater dispersion apparatus

#33

20130284120

2013-10-31

Circulating fluidized bed boiler having two external heat exchangers for hot solids flow

#34

20130213489

2013-08-22

Method and device for producing process vapor and boiler feed steam in a heatable reforming reactor for producing synthesis gas

#35

20130192542

2013-08-01

Split pass economizer bank with integrated water coil air heating and feedwater biasing

#36

20130161009

2013-06-27

Steam generator and method for generating steam

#37

20130118422

2013-05-16

BOILER ENERGY RECOVERY SYSTEM

#38

20120324893

2012-12-27

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

#39

20120312019

2012-12-13

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

#40

20120167838

2012-07-05

Heat Recovery Module

#41

20120085517

2012-04-12

Device with a heat exchanger and method for operating a heat exchanger of a steam generating plant

#42

20120061481

2012-03-15

DEVICE FOR PROVIDING REVERSE HEATING AND METHOD OF REVERSE HEATING

#43

20080282997

2008-11-20

Economizer arrangement for steam generator

#44

20060016401

2006-01-26

Water heating chamber system

#45

18382804

2024-04-02

Water treatment system