ClassID:

157889

F24D17/0005 - CPC Classification

Classification description:

Domestic hot-water supply systems using recuperation of waste heat

Sub-classes:
Recent Application in this class:
#1
20260132936
2026-05-14

HEAT RECOVERY UNIT FROM GRAY WATER

#2
20250253704
2025-08-07

BACK-UP GENERATOR AND ASSOCIATED ELECTRIC POWER SYSTEMS

#3
20250239885
2025-07-24

BACK-UP GENERATOR AND ASSOCIATED ELECTRIC POWER SYSTEMS

#4
20250189142
2025-06-12

SYSTEMS AND METHODS FOR WASTEWATER HEAT RECOVERY

#5
20250116426
2025-04-10

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

#6
20250102204
2025-03-27

FREEZING APPARATUS

#7
20240057289
2024-02-15

System and method for using waste heat generated by digital processing components

#8
20240047991
2024-02-08

Back-up generator and associated electric power systems

#9
20240027077
2024-01-25

HYBRID MULTI-AIR CONDITIONING SYSTEM AND METHOD FOR CONTROLLING A HYBRID MULTI-AIR CONDITIONING SYSTEM

#10
20240022109
2024-01-18

Back-up generator and associated electric power systems

#11
20230266019
2023-08-24

A HEATING SYSTEM

#12
20230213244
2023-07-06

Advanced reinforcement design for multifunction concrete wastepipes

#13
20220404036
2022-12-22

Gray water heat recovery apparatus and method

#14
20220385101
2022-12-01

Back-up generator and associated electric power systems

#15
20220341426
2022-10-27

Heat recovery device

#16
20220128244
2022-04-28

Apparatus and method for heat recovery from a liquid medium

#17
20220098841
2022-03-31

Water recirculation system intended for recycling of water or discarding of water not suitable to recycle

#18
20220074604
2022-03-10

Heating system

#19
20220011014
2022-01-13

Air conditioning system

#20
20210293422
2021-09-23

Energy saving water heating and air cooling system

#21
20210172683
2021-06-10

Compact thin-film heat recovery device for showers

#22
20210108829
2021-04-15

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

#23
20210075252
2021-03-11

Back-up generator and associated electric power systems

#24
20210063051
2021-03-04

HEAT EXCHANGE METHOD OF TAP WATER, HEAT EXCHANGER, AND WATER HEATING DEVICE

#25
20200355381
2020-11-12

Refrigeration system with heat recovery

#26
20200317073
2020-10-08

System for exchanging electrical energy

#27
20200256566
2020-08-13

HOT WATER SUPPLY SYSTEM

#28
20200217557
2020-07-09

Water heater

#29
20200208848
2020-07-02

Waste-liquid heat recovery

#30
20200166248
2020-05-28

Refrigeration cycle device

#31
20200109862
2020-04-09

FLUID HEAT EXCHANGER

#32
20200056846
2020-02-20

Recovery system and method for recovery of thermal energy from waste water

#33
20190353356
2019-11-21

Method for maintaining the temperature of fluid media

#34
20190234622
2019-08-01

HOT WATER ENERGY CONSERVATION

#35
20190145633
2019-05-16

Hot water unit fluid supply control systems and methods

#36
20180252434
2018-09-06

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

#37
20180216322
2018-08-02

Faucet assembly

#38
20170370324
2017-12-28

Waste heat recovery device, heat supply system, and operation method for waste heat recovery device

#39
20170363301
2017-12-21

HOT WATER SUPPLY APPARATUS PROVIDED WITH PRESSURE REDUCING VALVE

#40
20170356310
2017-12-14

Energy recovery system

#41
20170241648
2017-08-24

Device for preheating inlet of a hot water supply

#42
20170059186
2017-03-02

Hot water recovery

#43
20170045237
2017-02-16

Tank for energy recovery

#44
20160376774
2016-12-29

Fluid control device

#45
20160341490
2016-11-24

Heat exchanger for a shower or bathtub

#46
20160320093
2016-11-03

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

#47
20160169538
2016-06-16

System for energy recovery and cleaning of heat exchangers in shower applications

#48
20160018113
2016-01-21

Boiler Flue Gas and Oven Exhaust Economizer Systems

#49
20150377497
2015-12-31

Hot water energy conservation

#50
20150323199
2015-11-12

BOILER SYSTEM USING FUEL CELL

#51
20150083362
2015-03-26

District public water supply pipe network system compatible for source side water for ground source heat pump system and reclaomed water

#52
20140338754
2014-11-20

Domestic Hot Water Distribution Device

#53
20140261763
2014-09-18

Water and heat waste reduction techniques

#54
20140260392
2014-09-18

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

#55
20140260358
2014-09-18

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

#56
20130269917
2013-10-17

Heat recovery system, its heat recovery process and use

#57
20130152303
2013-06-20

Domestic appliance

#58
20120298328
2012-11-29

METHODS AND APPARATUS FOR TRANSFERRING THERMAL ENERGY

#59
20120266611
2012-10-25

Method for controlling a composite device and a composite device in which the method can be applied

#60
20120255320
2012-10-11

Air-conditioning hot-water supply combined system

#61
20120177349
2012-07-12

DEVICE PLACED INTO A SHOWER HEAD FOR RECOVERY OF ENERGY USED DURING A SHOWER

#62
20120159980
2012-06-28

DEVICE FOR RECOVERING HEAT FROM WASTEWATER, THERMAL SYSTEM INCLUDING SUCH A DEVICE, AND METHOD

#63
20120151950
2012-06-21

Heat transfer system

#64
20120061056
2012-03-15

RECOVERY OF HEAT FROM WASTEWATER

#65
20110289674
2011-12-01

Heat exchanger

#66
20110286724
2011-11-24

Modular Thermal Energy Retention and Transfer System

#67
20110269041
2011-11-03

FUEL CELL COGENERATION SYSTEM

#68
20110226341
2011-09-22

DEVICE AND METHOD FOR REUSING GREYWATER

#69
20110203303
2011-08-25

HEATING SYSTEM WITH OPTIMIZED RECOVERY OF WASTE WATER HEAT

#70
20110107512
2011-05-12

Heat exchange devices

#71
20110061843
2011-03-17

Heat recovery method and system therefore

#72
20110005252
2011-01-13

Air refrigerant type freezing and heating apparatus

#73
20100326638
2010-12-30

Waste heat recycling and gain system

#74
20100313826
2010-12-16

Heating device of drinking fountain in car

#75
20100270009
2010-10-28

Apparatus for recycling wasted heat using waste hot water

#76
20100258062
2010-10-14

COLD WATER PRE-HEATER

#77
20100236750
2010-09-23

HEAT EXCHANGE SYSTEM

#78
20100212878
2010-08-26

Heat exchanger for a bathing shower

#79
20100170655
2010-07-08

Air Supply Unit

#80
20100139579
2010-06-10

Water heater special for bathroom

#81
20100132403
2010-06-03

Drainpipe heat exchanger with heat storage

#82
20090139688
2009-06-04

WASTE WATER DRAIN HEAT EXCHANGER PREHEATING COLD WATER SUPPLY TO A THERMOSTATIC CONTROL VALVE

#83
20090056919
2009-03-05

Heat exchanger

#84
20090026281
2009-01-29

Energy conservation system for using heat from air conditioning units to heat water supply lines

#85
20090020282
2009-01-22

Heat exchanger and method for regulating a heat exchanger

#86
20080257535
2008-10-23

Shower trap heat recovery apparatus

#87
20080092550
2008-04-24

Direct force instant hot water distribution system

#88
20080029046
2008-02-07

Hot water reclaimer

#89
20080000616
2008-01-03

Heat exchanger and use thereof in showers

#90
20070227694
2007-10-04

Spray or Shower Arrangement and Shower Insert

#91
20070051126
2007-03-08

Air refrigerant type freezing and heating apparatus

#92
17531869
2022-10-11

Combined heat, power, water and waste system

#93
15462298
2018-06-26

Greywater heat recovery with warm side agitation

#94
13912078
2016-05-31

Hot water recovery apparatus