ClassID:

155741

F22D1/003 - CPC Classification

Classification description:

Feed-water heaters, i.e. economisers or like preheaters Feed-water heater systems

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
20240425993
2024-12-26

ELECTROLYZER SYSTEM WITH STEAM GENERATION AND METHOD OF OPERATING SAME

#3
20240418361
2024-12-19

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

#4
20240200472
2024-06-20

GENERATING ELECTRICAL ENERGY FROM HYDROGEN AND OXYGEN

#5
20240158701
2024-05-16

Method and System for Steamcracking

#6
20240101446
2024-03-28

VAPORIZER AND VAPORIZATION SUPPLY DEVICE

#7
20230288054
2023-09-14

DIRTY WATER AND EXHAUST CONSTITUENT FREE, DIRECT STEAM GENERATION, CONVAPORATOR SYSTEM, APPARATUS AND METHOD

#8
20230243499
2023-08-03

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

#9
20230175685
2023-06-08

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

#10
20220412548
2022-12-29

Hot evaporator refilling

#11
20220372636
2022-11-24

Electrolyzer system with steam generation and method of operating same

#12
20220325885
2022-10-13

Low-carbon energy utilization system for steam and power cogeneration of oil field

#13
20210262655
2021-08-26

SUPPLY-WATER WARMING SYSTEM

#14
20210190309
2021-06-24

Dirty water and exhaust constituent free, direct steam generation, convaporator system, apparatus and method

#15
20210131312
2021-05-06

Water feedback in vertical forced-flow steam generators

#16
20210025292
2021-01-28

Steam turbine power plant utilizing industrial heat pumps to preheat boiler feed-water

#17
20210017882
2021-01-21

Steam power plant, modification method and operation method of steam power plant

#18
20200370543
2020-11-26

SOLAR THERMAL POWER GENERATION SYSTEM

#19
20200271019
2020-08-27

Condensate and feedwater system of steam power plant and operation method for the same

#20
20200041121
2020-02-06

Steam power generating system with injection feedwater heater

#21
20200041120
2020-02-06

Injection feedwater heater for steam power generating system

#22
20190353344
2019-11-21

ONCE-THROUGH STEAM GENERATOR FOR USE AT OILFIELD OPERATION SITE, AND METHOD

#23
20190170344
2019-06-06

Vertical heat recovery steam generator

#24
20190072006
2019-03-07

Method and apparatus to reduce thermal stress when starting combined cycle power systems

#25
20180148836
2018-05-31

Apparatus and method for generating a vapor for a CVD or PVD device

#26
20180073724
2018-03-15

Influence analyzing apparatus for analyzing influence of combustibles

#27
20170159932
2017-06-08

Method and apparatus to facilitate heating feedwater in a power generation system

#28
20170122552
2017-05-04

Remote preheat and pad steam generation

#29
20170077376
2017-03-16

Thermoelectric power generator and combustion apparatus

#30
20170074504
2017-03-16

System and method for fluid medium preheating

#31
20160195262
2016-07-07

Flue gas heat recovery integration

#32
20160178189
2016-06-23

Steam generation apparatus and associated control system and methods for startup

#33
20160025331
2016-01-28

CONDENSATE PREHEATER FOR WASTE HEAT STEAM GENERATOR

#34
20150089944
2015-04-02

Back-up boiler system for a solar thermal power plant based on molten salt technology, a solar thermal power plant and a method for operating a solar thermal power plant

#35
20150075627
2015-03-19

Steam generation apparatus and associated control system and methods for startup

#36
20150007567
2015-01-08

PLANT AND METHOD FOR INCREASING THE EFFICIENCY OF ELECTRIC ENERGY PRODUCTION

#37
20140202156
2014-07-24

Steam power plant with an additional flexible solar system for the flexible integration of solar energy

#38
20140116045
2014-05-01

Geothermal assisted power generation

#39
20140060459
2014-03-06

HEAT RECOVERY SYSTEM AND HEAT RECOVERY METHOD

#40
20140041601
2014-02-13

Steam generator

#41
20140026571
2014-01-30

HERMETICALLY SEALED SOLAR WATER HEATER SYSTEM AND OPERATION METHOD FOR GENERATION OF ELECTRICITY FROM THERMAL POWER PLANT

#42
20130318968
2013-12-05

Plasma Feedwater and/or Make Up Water Energy Transfer System

#43
20130199183
2013-08-08

Economizer in solar tower plant and operating method of said plant

#44
20130136435
2013-05-30

Methods for super heated steam generation

#45
20130136434
2013-05-30

Automated super heated steam generators

#46
20130136433
2013-05-30

Superheated steam generators

#47
20130086904
2013-04-11

Solar Thermal Power Plant

#48
20120324893
2012-12-27

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

#49
20120037097
2012-02-16

High efficiency feedwater heater

#50
20110318223
2011-12-29

Method and system for controlling water chemistry in power generation plant

#51
20110155347
2011-06-30

Economizer water recirculation system for boiler exit gas temperature control in supercritical pressure boilers

#52
20100258005
2010-10-14

Heat recovery apparatus and heat recovery method

#53
20100229805
2010-09-16

Integrated split stream water coil air heater and economizer (IWE)

#54
20090188447
2009-07-30

Condensing Side-Arm Water Heater

#55
20090125152
2009-05-14

METHOD OF MEASUREMENT, CONTROL, AND REGULATION FOR THE SOLAR THERMAL HYBRIDIZATION OF A FOSSIL FIRED RANKINE CYCLE

#56
20090078401
2009-03-26

INTEGRATION OF AN INTERNET-SERVING DATACENTER WITH A THERMAL POWER STATION AND REDUCING OPERATING COSTS AND EMISSIONS OF CARBON DIOXIDE

#57
20080149048
2008-06-26

Water heater with integrated securing device

#58
20060201166
2006-09-14

Method for heat energy transmission

#59
20060105283
2006-05-18

Pipeline heater