ClassID:

157802

F24D3/02 - CPC Classification

Classification description:

Hot-water central heating systems with forced circulation, e.g. by pumps

Recent Application in this class:
#1
20260118066
2026-04-30

HEATING BODY

#2
20260117988
2026-04-30

SYSTEM AND METHOD FOR HYDRONIC DISTRIBUTION WITH SUBMERSIBLE PUMPS IN AN UNPRESSURIZED TANK

#3
20260022841
2026-01-22

SPACE HEATING SYSTEM

#4
20250321024
2025-10-16

SYSTEM AND METHOD FOR DETERMINING HEAT DEMAND OF A HYDRONIC HEATING SYSTEM

#5
20250297745
2025-09-25

HEATING ASSEMBLY FOR QUICK HEATING OF OCCUPIED SPACES

#6
20250244025
2025-07-31

HYDRO-FURNACE

#7
20250207786
2025-06-26

SMART HEATING SYSTEM AND ASSOCIATED METHOD

#8
20250189170
2025-06-12

ENERGY-SAVING HEATING DEVICE

#9
20250102202
2025-03-27

MULTI-FEED CHILLER-HEATER PRODUCTION MODULE AND METHOD OF CONTROLLING THE SAME

#10
20250085000
2025-03-13

Cold and hot water supply and power generation system including graphene-coated ceramic heating element

#11
20250043961
2025-02-06

Modular Hydronic Heating System Core

#12
20250003601
2025-01-02

HEAT SOURCE SYSTEM

#13
20240377072
2024-11-14

PORTABLE HYBRID HYDRONIC HEATING SYSTEM

#14
20240280272
2024-08-22

Device and methodology for early detection of fluid loss and notification and system shutdown for a closed loop fluid heat transfer system

#15
20240210043
2024-06-27

AIR CONDITIONING SYSTEM USING HEAT PUMP AND AIR HEATING DEVICE

#16
20240200827
2024-06-20

HEATING SYSTEM

#17
20240110732
2024-04-04

Multi-feed chiller-heater production module and method of controlling the same

#18
20240110709
2024-04-04

SYSTEM FOR PRODUCING HEAT FOR DOMESTIC HOT WATER OR CENTRAL HEATING

#19
20240077211
2024-03-07

Hot Water Re-Circulation Isolator System in Combination with Water Heater/Hydronic Heating System

#20
20240027078
2024-01-25

METHOD FOR OPERATING A HEATING SYSTEM

#21
20240011645
2024-01-11

MODULAR FLUID HEATING DEVICE, HEATING SYSTEM PROVIDED WITH SUCH A FLUID HEATING DEVICE

#22
20230417431
2023-12-28

AIR HEATING APPARATUS

#23
20230106143
2023-04-06

Modular hydronic heating system core

#24
20230045781
2023-02-09

DISTRIBUTION PUMP ARRANGEMENT FOR A HYDRAULIC DISTRIBUTION SYSTEM HAVING CHANGING FLOWING DIRECTION

#25
20220412665
2022-12-29

HEATING BODY

#26
20220178554
2022-06-09

Air heating apparatus

#27
20220178553
2022-06-09

AIR HEATING APPARATUS

#28
20220026080
2022-01-27

Distribution pump arrangement for a hydraulic distribution system having changing flowing direction

#29
20210348803
2021-11-11

PIPE FLUID HEAT EXCHANGE FLAT PIPE AND DEVICE FOR HEATING PIPE FLUID

#30
20210317998
2021-10-14

System and method for controlling a fluid vector temperature in order to heat a building

#31
20210278093
2021-09-09

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

#32
20210247076
2021-08-12

Water preconditioner system

#33
20210231314
2021-07-29

Device and methodology for early detection of fluid loss and notification and system shutdown for a closed loop fluid heat transfer system

#34
20210190377
2021-06-24

Water heating apparatus and method for controlling the apparatus

#35
20210190328
2021-06-24

COMBINED HEATING AND COOLING SYSTEM

#36
20210131677
2021-05-06

Thermal heating system and a controller for the same

#37
20210116135
2021-04-22

On-demand tankless high volume capable water heating system

#38
20210102713
2021-04-08

Heating and hot-water-supply apparatus

#39
20210088231
2021-03-25

Response slope based hydronic control system and method

#40
20210088230
2021-03-25

One-pipe hydronic heating control device

#41
20210063023
2021-03-04

User interface for thermostat and related devices, systems, and methods

#42
20200378618
2020-12-03

System for Heating and Cooling a Room Spaced from a Wall

#43
20200340684
2020-10-29

Circulation pump assembly

#44
20200271329
2020-08-27

SYSTEMS AND METHODS FOR IMPLEMENTING AN ADVANCED ENERGY EFFICIENT BOILER CONTROL SCHEME

#45
20200263880
2020-08-20

Hydraulic system for an installation for heating and generating domestic hot water

#46
20200200398
2020-06-25

Zone control with modulating boiler

#47
20200191412
2020-06-18

BOILER SYSTEM FOR BOTH HEATING AND HOT WATER

#48
20200173666
2020-06-04

Variable air pressure regulation device for expansion tank

#49
20200080729
2020-03-12

REFILLING DEVICE FOR A HYDRONIC HEATING SYSTEM AND METHOD OF OPERATING

#50
20200080728
2020-03-12

Refilling device for a hydronic heating system and method of operating

#51
20200018503
2020-01-16

Systems and Methods Implementing Air Conditioning Systems

#52
20200018491
2020-01-16

Hydraulic unit for a heating or air-conditioning system

#53
20200003431
2020-01-02

Pulse modulated heating, ventilation, and air conditioning (HVAC) control

#54
20190309959
2019-10-10

Hydronic panel heating or cooling system

#55
20190249881
2019-08-15

Circulation pump assembly for a heating and/or cooling system

#56
20190219303
2019-07-18

Hot water heating systems and related methods

#57
20190137189
2019-05-09

Stratifier for tank-type water heater

#58
20190101297
2019-04-04

HEAT TRANSFER APPARATUS AND HEAT TRANSFER SYSTEM FOR MASONRY HEATER

#59
20180372345
2018-12-27

Chilled beam module, system, and method

#60
20180356105
2018-12-13

Modeling method of combined heat and power optimal dispatching model

#61
20180291908
2018-10-11

Pump assembly and hydraulic system

#62
20180283702
2018-10-04

Hydraulic system

#63
20180266704
2018-09-20

Heating system, kit and method of using

#64
20180259198
2018-09-13

Thermostatic actuator for radiator valve and zoned heating system comprising same

#65
20180245801
2018-08-30

Evaluation of heating liquid pressure drops in a hydronic heating system

#66
20180224320
2018-08-09

Low water sensor testing apparatus

#67
20180195763
2018-07-12

Hot water heating system and related methods

#68
20180187903
2018-07-05

Fluid circulation type heating device provided with overpressure protection element

#69
20180180302
2018-06-28

SYSTEM AND METHOD FOR BALANCING TEMPERATURE WITHIN A BUILDING

#70
20180180301
2018-06-28

TEMPERATURE SYNCHRONIZATION IN A SMART THERMAL MANAGEMENT SYSTEM

#71
20180180300
2018-06-28

SYSTEM AND METHOD FOR ENFORCING A MANUAL TEMPERATURE SETPOINT WITHIN A SMART THERMAL MANAGEMENT SYSTEM

#72
20180180299
2018-06-28

Automatic firing rate control for a heat exchanger

#73
20180156474
2018-06-07

Heating installation

#74
20180156473
2018-06-07

Zone control with modulating boiler

#75
20180156470
2018-06-07

Boiler loop system

#76
20180149373
2018-05-31

HEATING DEVICE WITH HOT WATER SUPPLY FUNCTION

#77
20180135868
2018-05-17

Modulation control of hydronic systems

#78
20180128500
2018-05-10

User interface for thermostat and related devices, systems, and methods

#79
20180128499
2018-05-10

Zoned radiant heating system and method

#80
20180119965
2018-05-03

MULTI-PIPE-SWITCHING HEAT EXCHANGE APPARATUS

#81
20180080662
2018-03-22

IMPROVED OPERATION COMBI BOILER AND AN ASSOCIATED COMBI BOILER OPERATIONAL EFFICIENCY DEVICE

#82
20180037787
2018-02-08

Additives for wet heating and cooling systems

#83
20180031251
2018-02-01

Automatic balance valve control

#84
20170363300
2017-12-21

Furnace with Manifold for Controlling Supply of Heated Liquid to Multiple Heating Loops

#85
20170307230
2017-10-26

Modularized combined intelligent heat collector system

#86
20170299200
2017-10-19

Enhanced convection, differential temperature managed, hydronic heating appliance

#87
20170254546
2017-09-07

APPARATUS FOR MONITORING AT LEAST ONE THERMAL CONTROL DEVICE, AND ASSOCIATED CONTROL UNIT AND CONTROL SYSTEM

#88
20170241650
2017-08-24

METHOD AND APPARATUS FOR COMBINED HEAT AND POWER GENERATION

#89
20170219219
2017-08-03

DEMAND BASED HVAC (HEATING, VENTILATION, AIR CONDITIONING) CONTROL

#90
20170205088
2017-07-20

Chilled beam pump module, system, and method

#91
20170176022
2017-06-22

Boiler control comprising analog up/down timer circuit for generating variable threshold signal

#92
20170176021
2017-06-22

Heating system

#93
20170167735
2017-06-15

System and method of controlling condensing and non-condensing boiler firing rates

#94
20170089592
2017-03-30

BOILER LOOP SYSTEM

#95
20170067656
2017-03-09

Conditioning and/or heating plant and process of controlling the same plant

#96
20170059205
2017-03-02

Latent-heat exchanger for hot-water heating and condensing gas boiler including same

#97
20170045235
2017-02-16

HEATING SYSTEM WITH ENERGY-INDEPENDENT MODE USING MULTIPLE-LAYER STREAMS OF WATER

#98
20170030593
2017-02-02

Modular track wiring assembly for a hydronic system

#99
20170010000
2017-01-12

APPARATUS FOR CAPTURING HEAT FROM A STOVE

#100
20160320094
2016-11-03

Heating system with high heat retention transfer fluid

#101
20160273787
2016-09-22

Diagnostic method for diagnosing the correct operation of a heating and/or cooling system

#102
20160265793
2016-09-15

Heat transfer apparatus and heat transfer system for masonry heater

#103
20160231006
2016-08-11

Learning-based recirculation and temperature setpoint control system

#104
20160187894
2016-06-30

SYSTEM AND METHODS FOR CONTROLLING BOILERS, HOT-WATER TANKS, PUMPS AND VALVES IN HYDRONIC BUILDING HEATING SYSTEMS

#105
20160178220
2016-06-23

Building Heating Installation and Methodology

#106
20160178219
2016-06-23

Combined hot water and space heating and conditioning system including heat pump

#107
20160138810
2016-05-19

Heater system

#108
20160109140
2016-04-21

CENTRAL HEATING SYSTEM

#109
20160097545
2016-04-07

REMOTE CONTROL AND MANAGEMENT DEVICE FOR HEATING SYSTEM USING A SMART PHONE APPLICATION AND METHOD THEREOF

#110
20160047558
2016-02-18

HOT WATER SUPPLY AND HEATING SYSTEM

#111
20160040893
2016-02-11

Thermal gradient fluid header for multiple heating and cooling systems

#112
20150354831
2015-12-10

Combined heating system capable of bi-directional heating

#113
20150267924
2015-09-24

Retrofit smart components for use in a fluid transfer system

#114
20150211752
2015-07-30

RADIANT HEAT REFLECTOR AND HEAT CONVERTER

#115
20150122345
2015-05-07

Circulation pump assembly for a heating and/or cooling system

#116
20150108230
2015-04-23

MULTIPLE ZONE CONTROL SYSTEM AND METHOD OF OPERATION

#117
20150028120
2015-01-29

BOILER LOOP SYSTEM

#118
20150013961
2015-01-15

Method of controlling a variable delivery pump fitted to a heating system

#119
20140373825
2014-12-25

APPARATUS FOR CAPTURING HEAT FROM A STOVE

#120
20130336642
2013-12-19

Rooftop hydronic heating unit

#121
20130334330
2013-12-19

METHOD OF CONTROLLING BOILER

#122
20130240172
2013-09-19

Hydronic System and Control Method

#123
20130181060
2013-07-18

Hot-water storage type heating unit

#124
20130099014
2013-04-25

System and method of controlling condensing and non-condensing boiler firing rates

#125
20130068847
2013-03-21

BOILER LOOP SYSTEM

#126
20120270494
2012-10-25

Displacement-induction neutral wall air terminal unit

#127
20120247403
2012-10-04

INSTANTANEOUS HOT-WATER SYSTEM

#128
20120227953
2012-09-13

Energy-saving central heating and hot water supply system

#129
20110302947
2011-12-15

HEAT PUMP SYSTEM

#130
20110168795
2011-07-14

PRIMARY/SECONDARY LOOP PIPING SYSTEM

#131
20110163171
2011-07-07

PRIMARY/SECONDARY PIPING LOOP INTERFACE APPARATUS

#132
20110127253
2011-06-02

Electric Heating Systems and Associated Methods

#133
20110126563
2011-06-02

ABSORPTION CHILLER AND SYSTEM INCORPORATING THE SAME

#134
20110049253
2011-03-03

Radiant heat reflector and heat converter

#135
20100319795
2010-12-23

Near boiler piping apparatus with open drain

#136
20100139577
2010-06-10

Brake furnace

#137
20100019053
2010-01-28

HEATING SYSTEMS UTILIZING STORED ENERGY AS A POWER SOURCE

#138
20100012290
2010-01-21

Thermal gradient fluid header for multiple heating and cooling systems

#139
20090144754
2009-06-04

Bios routine avoidance

#140
20080251244
2008-10-16

Three Pipe System

#141
20080156894
2008-07-03

Heating system using a fireplace

#142
20070152077
2007-07-05

Method for producing heat for heating building and constructions and a continuous cavitation heat generator

#143
20070084421
2007-04-19

Automatic circulation device of warm water

#144
20060196958
2006-09-07

Fluid circulation apparatus for temporary heating

#145
20050161520
2005-07-28

Heating system, method for operating a heating system and use thereof

#146
14545118
2016-01-12

Backward-compatible, programmable, and on-demand water heater and recirculation pump control unit and method of using

#147
14339483
2017-12-26

Thermal reduction through activity based thermal targeting to enhance heating system efficiency