ClassID:

155761

F22D1/36 - CPC Classification

Classification description:

Feed-water heaters, i.e. economisers or like preheaters Water and air preheating systems

Sub-classes:
Recent Application in this class:
#1
20240418361
2024-12-19

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

#2
20230175685
2023-06-08

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

#3
20230016404
2023-01-19

Arrangement for and a method of operating a steam boiler system

#4
20210285637
2021-09-16

Method and system for improving boiler effectiveness

#5
20200025367
2020-01-23

Boiler feed tank energy recapture system

#6
20180306433
2018-10-25

Counterflow ion transport boiler system

#7
20180209638
2018-07-26

Energy saving boiler system of steam supply

#8
20180193796
2018-07-12

Boiler

#9
20180058683
2018-03-01

Boiler feed tank energy recovery system

#10
20160195262
2016-07-07

Flue gas heat recovery integration

#11
20150369483
2015-12-24

Coal fired Oxy plant with Flue Gas Heat Recovery

#12
20150323180
2015-11-12

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

#13
20150323179
2015-11-12

Oxy boiler power plant oxygen feed system heat integration

#14
20130192542
2013-08-01

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

#15
20120167838
2012-07-05

Heat Recovery Module

#16
20100251975
2010-10-07

ECONOMICAL USE OF AIR PREHEAT

#17
20100229805
2010-09-16

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

#18
20100212610
2010-08-26

Heat recovery system and method

#19
20090272114
2009-11-05

Heat recovery equipment

#20
20090272113
2009-11-05

Heat recovery equipment

#21
20060144043
2006-07-06

Heat recovery equipment

#22
20060076428
2006-04-13

Method and apparatus for enhanced heat recovery from steam generators and water heaters

#23
15493976
2018-07-10

Fire tube boiler system with ion transport membranes