F24H9/0031 - CPC Classification Index

#1

20260132937

2026-05-14

GAS-ELECTRIC HYBRID STORAGE WATER HEATER

#2

20250137688

2025-05-01

BAFFLE DEVICE FOR FLUE AND GAS WATER HEATING DEVICE

#3

20240410617

2024-12-12

HEAT EXCHANGER ASSEMBLY AND WATER HEATER

#4

20240183578

2024-06-06

WATER TANK ASSEMBLY FOR HEATING DEVICE, AND HEATING DEVICE

#5

20240133586

2024-04-25

COMPACT FLUID HEATING SYSTEM WITH HIGH BULK HEAT FLUX USING ELEVATED HEAT EXCHANGER PRESSURE DROP

#6

20240085057

2024-03-14

FUME HOOD STRUCTURE FOR PORTABLE WATER HEATER

#7

20240077229

2024-03-07

PORTABLE WATER HEATER

#8

20230228455

2023-07-20

HEAT EXCHANGER FOR HEATING DEVICES, AND TUBE-ASSEMBLY MODULE FOR A HEAT EXCHANGER

#9

20230194125

2023-06-22

Flue Gas Baffle and Manufacturing Process Therefor

#10

20230152005

2023-05-18

METHOD OF MANUFACTURING HEAT EXCHANGER PIPE

#11

20230128874

2023-04-27

WATER HEATER

#12

20220341625

2022-10-27

BIOMASS HEATING SYSTEM, AS WELL AS ITS COMPONENTS

#13

20220333817

2022-10-20

Biomass heating system with optimized flue gas treatment

#14

20220333770

2022-10-20

Rotating grate with a cleaning device for a biomass heating system

#15

20220316759

2022-10-06

Wavy smoke tube structure of boiler

#16

20220307725

2022-09-29

GAS COMBUSTOR

#17

20220243956

2022-08-04

Heat exchanger for water heater

#18

20220214076

2022-07-07

Multi-flue heat exchanger assembly with baffle insert

#19

20220099337

2022-03-31

Water heater blower assembly having a low exhaust port

#20

20210372665

2021-12-02

Flue gas baffle and manufacturing process therefor

#21

20210215392

2021-07-15

Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop

#22

20210156592

2021-05-27

HIGH-EFFICIENCY CONDENSING WATER HEATER

#23

20210095890

2021-04-01

Water heater

#24

20200355396

2020-11-12

Smoke tube boiler

#25

20200348048

2020-11-05

Oil boiler

#26

20200318855

2020-10-08

Heat exchanger pipe, method of manufacturing heat exchanger pipe, heat exchanger fin, elliptical heat exchanger pipe, and hot water storage type heat exchanger having elliptical heat exchanger pipe

#27

20200064020

2020-02-27

Heat exchanging unit, heat exchanging apparatus, and hot water supply system

#28

20190353400

2019-11-21

Water heater blower assembly having a low exhaust port

#29

20190353395

2019-11-21

Heating apparatus

#30

20190249899

2019-08-15

Boiler with heating blower

#31

20180363948

2018-12-20

Condensing combustion apparatus

#32

20180292110

2018-10-11

High-efficiency condensing water heater

#33

20180292106

2018-10-11

Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop

#34

20180209688

2018-07-26

Flue arrangement

#35

20170363324

2017-12-21

Water heater blower assembly having a low exhaust port

#36

20170363323

2017-12-21

Water heater blower assembly having a low exhaust port

#37

20170363322

2017-12-21

Water heater blower assembly having a low exhaust port

#38

20170356675

2017-12-14

Blower assembly with compensation for vent back pressure

#39

20170321928

2017-11-09

Dielectrically insulated secondary flue for gas-fired water heater

#40

20170227254

2017-08-10

Heating apparatus

#41

20170108241

2017-04-20

Motor/damper assembly for fuel-fired water heater

#42

20170102166

2017-04-13

System and method to reduce standby energy loss in a gas burning appliance and components for use therewith

#43

20170023276

2017-01-26

Heat exchanger tube and heating boiler having such a heat exchanger tube

#44

20160169554

2016-06-16

Convective heat transfer flue

#45

20160169551

2016-06-16

Solid fuel boiler

#46

20160146541

2016-05-26

Double tubing condensation exchanger for heating water and/or for producing sanitary hot water

#47

20160138827

2016-05-19

Condensing water heater with dielectrically insulated secondary flue

#48

20160091222

2016-03-31

Domestic gas-fired water heater condensing flue system

#49

20140190425

2014-07-10

Heat exchanger and water heater

#50

20120291719

2012-11-22

Water heater with multiple heat exchanging stacks

#51

20120180737

2012-07-19

Gas-fired water heater with an exhaust assembly

#52

20120067549

2012-03-22

HEAT RECOVERY APPARATUS

#53

20120048214

2012-03-01

Motor/damper assembly for fuel-fired water heater

#54

20110168284

2011-07-14

System and method to reduce standby energy loss in a gas burning appliance and components for use therewith

#55

20090277399

2009-11-12

Water heater and method of operating a waterheater

#56

20090211540

2009-08-27

Fuel-fired, power vented high efficiency water heater apparatus

#57

18783042

2025-03-18

Water heater with compact heat exchanger

#58

15892826

2019-07-16

Multi-pass boiler and retrofit method for an existing single-pass boiler