F24H1/40 - CPC Classification Index

ClassID:

158603 ⎘

F24H1/40 - CPC Classification

Classification description:

Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters; Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes

Sub-classes:

F24H1/403 » {the water tubes being arranged in one or more circles around the burner} 18
F24H1/406 » {the tubes forming a membrane wall} 6
F24H1/41 » in serpentine form 18
F24H1/43 » helically or spirally coiled 81

Recent Application in this class:

20240418408

2024-12-19

Integrated Anode For A Heat Exchanger

20230349591

2023-11-02

Premixed low-nitrogen gas boiler

20230175691

2023-06-08

Combustion apparatus

20230084544

2023-03-16

Integrated Anode For A Heat Exchanger

20220034522

2022-02-03

Tankless water heater having integrated scale control module

20210278093

2021-09-09

Control systems and methods for managing rate of heat delivery in hydronic systems

20210108827

2021-04-15

Integrated anode for a heat exchanger

20190323729

2019-10-24

Heat exchanger for heating water

20190257514

2019-08-22

Package boiler with tandem furnace tubes

#10

20190154300

2019-05-23

Heat exchanger and hot water apparatus

#11

20190101307

2019-04-04

Tubular heat exchanger

#12

20190033004

2019-01-31

Heat exchanger

#13

20190032956

2019-01-31

Heat exchanger

#14

20190024942

2019-01-24

Condensation heat exchanger provided with a heat exchange device

#15

20180372311

2018-12-27

Combustion apparatus

#16

20180363946

2018-12-20

Heat exchanger

#17

20180313530

2018-11-01

Internally Heated Steam Generation System and Heat Exchanger

#18

20180245857

2018-08-30

Round plate heat exchanger

#19

20180245817

2018-08-30

Heat exchanger and production method of the heat exchanger

#20

20180224337

2018-08-09

Heat exchanger

#21

20180224155

2018-08-09

Heat exchanger

#22

20180216848

2018-08-02

Heat exchanger

#23

20180216847

2018-08-02

Heat exchanger

#24

20180209692

2018-07-26

Hot water tank

#25

20180209690

2018-07-26

Heat exchanger

#26

20180106498

2018-04-19

Heat exchanger and combustion device

#27

20180087806

2018-03-29

Heat exchanger and hot water apparatus

#28

20180087805

2018-03-29

Hot water apparatus

#29

20180051912

2018-02-22

Reactor and heater configuration synergies in paraffin dehydrogenation process

#30

20170343213

2017-11-30

Exhaust duct

#31

20160334137

2016-11-17

CONDENSING BOILER

#32

20150345827

2015-12-03

HOT WATER TANK ATTACHED TO BOILER

#33

20150308756

2015-10-29

Fin-tube type heat exchanger

#34

20140345542

2014-11-27

Exhaust case and combustion apparatus provided with the same

#35

20140230805

2014-08-21

Gas hot water heating device and system

#36

20140144394

2014-05-29

Frac water heating system and method for hydraulically fracturing a well

#37

20140048268

2014-02-20

Method for hydraulically fracturing a well using an oil-fired frac water heater

#38

20130247842

2013-09-26

Method for heating treatment fluid using an oil-fired frac water heater

#39

20130061821

2013-03-14

COMBUSTION APPARATUS

#40

20130042822

2013-02-21

Water heating system with oxygen sensor

#41

20120042445

2012-02-23

Flow control and improved heat rise control device for water heaters

#42

20120037350

2012-02-16

Method for braze-welding a fixing plate and a flow channel cap in a heat exchanger, and heat exchanger produced by same

#43

20120037096

2012-02-16

Combustion apparatus, method for combustion control, board, combustion control system and water heater

#44

20120031594

2012-02-09

Heat Exchanger and Fin Suitable for Use in a Heat Exchanger

#45

20110296838

2011-12-08

HEAT SOURCE MACHINE

#46

20110259317

2011-10-27

Hot water supply apparatus

#47

20110180019

2011-07-28

RAPID HEATING WATER STORAGE WATER HEATER STRUCTURE

#48

20110155079

2011-06-30

Heat exchanger and water heater incorporating the same

#49

20110114300

2011-05-19

HEAT EXCHANGER OF UPWARD COMBUSTION TYPE CONDENSING BOILER

#50

20110017428

2011-01-27

PLANE TYPE HEAT EXCHANGER

#51

20100307727

2010-12-09

HEAT EXCHANGER AND MANUFACTURING METHOD OF HEAT EXCHANGING PIPE COMPOSING IT

#52

20100221675

2010-09-02

CONDENSING BOILER AND WATER HEATER

#53

20100180835

2010-07-22

Heat exchanger for thermo boiler

#54

20100170452

2010-07-08

WATER HEATING APPARATUS, ESPECIALLY FOR POOLS

#55

20100132632

2010-06-03

Low maintenance fluid heater and method of firing same

#56

20100116226

2010-05-13

BOILER WITH A COMBUSTION HEAD COOLING SYSTEM

#57

20100101755

2010-04-29

Heat exchanger for a boiler

#58

20100071635

2010-03-25

WATERTUBE AND METHOD OF MAKING AND ASSEMBLING SAME WITHIN A BOILER OR HEAT EXCHANGER

#59

20100000508

2010-01-07

Oil-fired frac water heater

#60

20090133642

2009-05-28

Latent heat recovery-type water heater

#61

20080230016

2008-09-25

Low maintenance fluid heater and method of firing same

#62

20080149315

2008-06-26

Tube spacer, method of manufacturing the same, and heat exchanger

#63

20080061160

2008-03-13

Heating apparatus

#64

20080035077

2008-02-14

Heat exchanger and water heater

#65

20080006226

2008-01-10

Water heater

#66

20070289559

2007-12-20

Heat exchanger, water heater and water tube

#67

20070251684

2007-11-01

Watertube and Method of Making and Assembling Same within a Boiler or Heat Exchanger

#68

20060214015

2006-09-28

Damper position adjusting device and combustion apparatus equipped with the same

#69

20060204912

2006-09-14

Combustion apparatus

#70

20060201451

2006-09-14

Pipe in a fire tube boiler

#71

20060177784

2006-08-10

Boiler and low-NOx combustion method

#72

20050120981

2005-06-09

Finned tube heat exchanger and method

#73

20050039703

2005-02-24

Condensing gas boiler having structure of preventing corrosion caused by using heterogeneous metal