Patents-Review.com
ClassID:

157840 ⎘

F24D5/02 - CPC Classification

Classification description:

Hot-air central heating systems ; Exhaust gas central heating systems operating with discharge of hot air into the space or area to be heated

Sub-classes:
Recent Application in this class:
#1
20250244025
2025-07-31

HYDRO-FURNACE

 #2
20250003603
2025-01-02

SYSTEM FOR ADJUSTING AND CONTROLLING TEMPERATURE OF INTELLIGENT NEW ENERGY FARMHOUSE INTEGRATED WITH TUNNEL WIND AND SOLAR ENERGY

 #3
20230408083
2023-12-21

Push/Pull Furnace and Methods Related Thereto

 #4
20230213240
2023-07-06

Systems and methods for operating a furnace

 #5
20230160582
2023-05-25

PELLET STOVE

 #6
20230097136
2023-03-30

System and Method for Monitoring Operation of a Heating System for a Space

 #7
20220011018
2022-01-13

Systems and methods for operating a furnace

 #8
20220010958
2022-01-13

Push/pull furnace and methods related thereto

 #9
20210381722
2021-12-09

Method and system for vented rollout switch

 #10
20210172612
2021-06-10

Heating appliance with a built-in battery arranged in the incoming fresh air flow

 #11
20210140632
2021-05-13

Gas furnace

 #12
20210131677
2021-05-06

Thermal heating system and a controller for the same

 #13
20210131676
2021-05-06

FLUIDIC TURBO HEATER SYSTEM

 #14
20210033304
2021-02-04

Blow through direct fired heating, A/C and ERV

 #15
20200378622
2020-12-03

Gas furnace

 #16
20200333043
2020-10-22

Method and system for vented rollout switch

 #17
20200149749
2020-05-14

Tabbed burner assembly

 #18
20200018492
2020-01-16

SYSTEM AND METHOD FOR A SMART CIRCULATOR FOR A HEAT SOURCE

 #19
20190385245
2019-12-19

Domestic power plant and method for operating a domestic power plant

 #20
20190353398
2019-11-21

Furnace

 #21
20190301751
2019-10-03

Indirect gas furnace

 #22
20190154283
2019-05-23

COMPACT AIR HANDLER WITH MULTIPLE FANS

 #23
20190137139
2019-05-09

Air handling apparatus for HVAC systems

 #24
20190137116
2019-05-09

Fuel cell heater system

 #25
20180372335
2018-12-27

System and device for heating, cooling, ventilating and illuminating an interior space

 #26
20180313549
2018-11-01

HEAT EXCHANGER AND METHOD

 #27
20180313548
2018-11-01

Flue vent adapter for multi-poise furnace

 #28
20180299166
2018-10-18

Blow through direct fired heating, A/C and ERV

 #29
20180259221
2018-09-13

Furnace

 #30
20180252433
2018-09-06

Reduced drag combustion pass in a tubular heat exchanger

 #31
20180191154
2018-07-05

Monitoring and recoverable protection of switching circuitry for smart-home devices

 #32
20180128496
2018-05-10

Blower

 #33
20180080659
2018-03-22

Low NOtubular mesh burner and methods of use

 #34
20180038601
2018-02-08

Indirect gas furnace

 #35
20170314829
2017-11-02

Method of heating a building

 #36
20170314828
2017-11-02

Controller for controlling an air conditioning system and radiant heating apparatus in a building

 #37
20170184315
2017-06-29

Energy efficient combustion heater control

 #38
20170016645
2017-01-19

Method and systems for energy-saving heating and humidifying of buildings using outside air

 #39
20160255681
2016-09-01

Magnetic induction heat engine and heat pipe delivery system and methods of producing and delivering heat

 #40
20160131396
2016-05-12

Furnace

 #41
20150377512
2015-12-31

HVAC systems and methods with improved heat exchangers

 #42
20150362213
2015-12-17

Blow through direct fired heating, A/C and ERV

 #43
20150241122
2015-08-27

Separately controllable air circulation drying system

 #44
20150219344
2015-08-06

Energy efficient fenestration assembly

 #45
20150159887
2015-06-11

Furnace control with safety circuit and non-volatile memory

 #46
20150153080
2015-06-04

Operation of a HVAC system using a combined hydronic and forced air system

 #47
20150128926
2015-05-14

Multi-burner head assembly

 #48
20150128483
2015-05-14

Multi-component system for treating enclosed environments

 #49
20150090803
2015-04-02

Air conditioning system

 #50
20150053198
2015-02-26

Methods and apparatus for heating air with hot water

 #51
20150003817
2015-01-01

In-line duct supplemental heating and cooling device and method

 #52
20140260408
2014-09-18

Compact air handler with multiple fans

 #53
20140235157
2014-08-21

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

 #54
20140202443
2014-07-24

Fuel/air furnace mixer

 #55
20140175181
2014-06-26

Monitoring and recoverable protection of thermostat switching circuitry

 #56
20140083648
2014-03-27

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

 #57
20140041849
2014-02-13

In-line duct supplemental heating and cooling device and method

 #58
20140041847
2014-02-13

In-line duct supplemental heating and cooling device and method

 #59
20140026879
2014-01-30

Natural fuel heating system

 #60
20130336642
2013-12-19

Rooftop hydronic heating unit

 #61
20130240172
2013-09-19

Hydronic System and Control Method

 #62
20130126625
2013-05-23

Fuel Cell Heat Pump

 #63
20130058716
2013-03-07

Air-blowing-type road surface snow-melting system

 #64
20130043011
2013-02-21

Heating/cooling system that utilizes secondary fluid pumped through a heat exchanger by the pressure of a thermal exchange fluid

 #65
20130032308
2013-02-07

In-line duct supplemental heating and cooling device and method

 #66
20120318475
2012-12-20

Building Energy System

 #67
20120272945
2012-11-01

Auxiliary heating duct for an indirect fired heater

 #68
20120222425
2012-09-06

Method for operating a power plant and gas turbine unit for implementing the method

 #69
20120070133
2012-03-22

THIN-FILM CARBON FORCED WARM-AIR-HEATING UNIT

 #70
20120006512
2012-01-12

Asymmetric Dimple Tube for Gas Heat

 #71
20110259559
2011-10-27

Building heating and cooling system

 #72
20110121087
2011-05-26

UNDER-FLOOR TROUGH WITH HEATING ELEMENT

 #73
20110079653
2011-04-07

Heated makeup air unit

 #74
20110057046
2011-03-10

Heating system controller, a heating system and a method of operating a heating system

 #75
20100324741
2010-12-23

Systems and methods for fault detection of air handling units

 #76
20100300645
2010-12-02

BUILDING ENERGY SYSTEM

 #77
20100072292
2010-03-25

Indoor Space Heating Apparatus

 #78
20100065040
2010-03-18

Heating and cooling system

 #79
20090127347
2009-05-21

Method and apparatus for forced air heater measurement and control

 #80
20090056929
2009-03-05

In-line duct supplemental heating and cooling device and method

 #81
20080264490
2008-10-30

Methods and apparatus for heating air with hot water

 #82
20050194002
2005-09-08

Adjustable air bypass system for heating appliance

 #83
20050161521
2005-07-28

System and method for hydronic space heating with electrical power generation

 #84
20050098643
2005-05-12

System and method for warm air space heating with electrical power generation