ClassID:

158662

F24H6/00 - CPC Classification

Classification description:

Combined water and air heaters

Recent Application in this class:
#1
20260153244
2026-06-04

AIR CONDITIONING SYSTEM USING HEAT PUMP AND AIR HEATING DEVICE

#2
20260118015
2026-04-30

A DEVICE FOR HEATING AIR AND A LIQUID

#3
20260104181
2026-04-16

COMBINATION HEATING SYSTEM FOR RECREATIONAL VEHICLES AND BOATS

#4
20260098663
2026-04-09

HEATING MEDIUM CIRCULATION APPARATUS

#5
20260016193
2026-01-15

CONTROL METHOD OF HEAT PUMP SYSTEM AND HEAT PUMP SYSTEM

#6
20260002699
2026-01-01

SPACE AND WATER HEATING APPARATUS

#7
20250237409
2025-07-24

DEVICE FOR HEATING ROOM AIR AND A LIQUID

#8
20250116426
2025-04-10

APPARATUS AND METHODS FOR HEATING WATER WITH REFRIGERANT FROM AIR CONDITIONING SYSTEM

#9
20250093073
2025-03-20

AIR HEATING APPARATUS

#10
20250092846
2025-03-20

Flameless Combo Heater

#11
20240384894
2024-11-21

A DEVICE FOR HEATING ROOM AIR AND A LIQUID

#12
20240255184
2024-08-01

PANEL ASSEMBLY AND AIR HEATING APPARATUS INCLUDING THE SAME

#13
20240255181
2024-08-01

AIR HEATING APPARATUS

#14
20240247836
2024-07-25

A DEVICE HAVING AN AIR CUSHION FOR HEATING ROOM AIR AND A LIQUID

#15
20240210043
2024-06-27

AIR CONDITIONING SYSTEM USING HEAT PUMP AND AIR HEATING DEVICE

#16
20240117998
2024-04-11

A DEVICE FOR HEATING A MEDIUM AND AIR

#17
20240060684
2024-02-22

AIR HEATING APPARATUS

#18
20240060683
2024-02-22

AIR HEATING APPARATUS AND METHOD FOR SUPPLYING WATER TO AIR HEATING APPARATUS

#19
20240060682
2024-02-22

AIR HEATING APPARATUS AND METHOD FOR DISASSEMBLING AIR HEATING APPARATUS

#20
20240060681
2024-02-22

AIR HEATING APPARATUS AND METHOD FOR DISASSEMBLING AIR HEATING APPARATUS

#21
20240060680
2024-02-22

AIR HEATING APPARATUS

#22
20240060654
2024-02-22

AIR HEATING APPARATUS

#23
20230072821
2023-03-09

Climate control system

#24
20220371395
2022-11-24

Heater

#25
20220243957
2022-08-04

METHOD FOR PRODUCING A HEATING DEVICE, AND HEATING DEVICE

#26
20220214049
2022-07-07

COMBINATION SPACE AND HOT WATER HEATER

#27
20220146147
2022-05-12

AIR HEATING AND POTABLE WATER SYSTEM HAVING A WATER HEATER AND A HYDRONIC AIR HANDLER

#28
20220145827
2022-05-12

Flameless combo heater

#29
20220026153
2022-01-27

Evaporator for water heating device

#30
20210310696
2021-10-07

Cogeneration System

#31
20210108829
2021-04-15

Apparatus and methods for heating water with refrigerant from air conditioning system

#32
20210033305
2021-02-04

Gas furnace to produce heated air and optionally hot water via a bypass pipe

#33
20200309026
2020-10-01

Cogeneration system for a boiler

#34
20200124357
2020-04-23

Hybrid heating system

#35
20200049426
2020-02-13

Flue Gas Energy Recovery System and Method

#36
20200040842
2020-02-06

Flameless combo heater

#37
20190353399
2019-11-21

Control apparatus and method for combination space and water heating

#38
20190309990
2019-10-10

Storage type electric water heater with hot air generating function

#39
20190293304
2019-09-26

Variably heatable radiator

#40
20190249899
2019-08-15

Boiler with heating blower

#41
20190219303
2019-07-18

Hot water heating systems and related methods

#42
20190212034
2019-07-11

OUTDOOR HEATING APPLIANCE WITH GROUND LEVEL HEAT

#43
20180252434
2018-09-06

Apparatus and methods for heating water with refrigerant from air conditioning system

#44
20180195763
2018-07-12

Hot water heating system and related methods

#45
20180010822
2018-01-11

Apparatus and methods for heating water with refrigerant and phase change material

#46
20170130997
2017-05-11

HEAT PUMP SYSTEM

#47
20170082319
2017-03-23

HYDRONIC SPACE HEATING SYSTEM HAVING TWO STAGE HEAT PUMP BUFFER TANK

#48
20160320093
2016-11-03

Apparatus and methods for pre-heating water with air conditioning unit or heat pump

#49
20160238277
2016-08-18

BOX HEATER INCLUDING A PERFORATED FLAME HOLDER

#50
20160209052
2016-07-21

Method for determining whether hot water is used during heating of an air handler system

#51
20160187043
2016-06-30

System and method for maintaining air temperature within a building HVAC system

#52
20160061508
2016-03-03

Apparatus and method for hybrid water heating and air cooling and control thereof

#53
20160061502
2016-03-03

Apparatus and method for hybrid water heating and air cooling and control thereof

#54
20150053198
2015-02-26

Methods and apparatus for heating air with hot water

#55
20140326004
2014-11-06

Method for managing a refrigerant charge in a multi-purpose HVAC system

#56
20140260392
2014-09-18

Apparatus and methods for heating water with refrigerant from air conditioning system

#57
20140260358
2014-09-18

Apparatus and methods for pre-heating water with air conditioning unit or heat pump

#58
20140219644
2014-08-07

Heater for vaporizing liquids

#59
20140197243
2014-07-17

Hydronic air heater

#60
20140083648
2014-03-27

DEDICATED OUTDOOR AIR SYSTEM WITH PRE-HEATING AND METHOD FOR SAME

#61
20140020637
2014-01-23

Apparatus for using cast-off heat to warm water from household water heater

#62
20130219945
2013-08-29

Combined hot water supply and air-conditioning device

#63
20130205824
2013-08-15

Heat pump device

#64
20120255320
2012-10-11

Air-conditioning hot-water supply combined system

#65
20120245739
2012-09-27

System and method for maintaining air temperature within a building HVAC system

#66
20120208140
2012-08-16

DEVICE FOR HEATING AIR DURING THE DUTY CYCLE OF A COMBUSTION FURNACE

#67
20120073955
2012-03-29

Heater for vaporizing liquids

#68
20120055177
2012-03-08

Air conditioner and control method thereof

#69
20110314848
2011-12-29

Combined air-conditioning and hot-water supply system

#70
20110302949
2011-12-15

Heat pump system

#71
20110302948
2011-12-15

Heat pump system

#72
20110296861
2011-12-08

Heat pump system

#73
20110271948
2011-11-10

APPARATUS FOR CAPTURING HEAT FROM A STOVE

#74
20110083459
2011-04-14

HEAT EXCHANGER WITH INTEGRAL PHASE CHANGE MATERIAL FOR HEATING AND COOLING APPLICATIONS

#75
20110081134
2011-04-07

WATER HEATING UNIT WITH INTEGRAL THERMAL ENERGY STORAGE

#76
20110061832
2011-03-17

GROUND-TO-AIR HEAT PUMP SYSTEM

#77
20110048016
2011-03-03

Energy-recovery system for a production plant

#78
20100233641
2010-09-16

DEVICE FOR HEATING AIR DURING THE DUTY CYCLE OF A HEATING BOILER

#79
20100126491
2010-05-27

Burner for combustion of fuel in pellet or granular form

#80
20090159259
2009-06-25

Modular heat pump liquid heater system

#81
20090008465
2009-01-08

COMBINED HEATING/WARM WATER SYSTEM FOR MOBILE APPLICATIONS

#82
20080264490
2008-10-30

Methods and apparatus for heating air with hot water

#83
14062842
2015-02-17

Building heat exchange system