ClassID:

162014

F28D21/0012 - CPC Classification

Classification description:

Heat-exchange apparatus not covered by any of the groups  - ; Recuperative heat exchangers the heat being recuperated from waste water or from condensates

Recent Application in this class:
#1
20260055973
2026-02-26

HEAT RECOVERY SYSTEM

#2
20250377170
2025-12-11

A DRAIN SYSTEM AND A SHOWER OR SHOWER CABIN

#3
20250369703
2025-12-04

A DRAIN SYSTEM AND A SHOWER OR SHOWER CABIN

#4
20250361160
2025-11-27

WASTEWATER SEPARATOR AND METHOD OF SEPARATING A FLOW OF WASTEWATER

#5
20250305780
2025-10-02

SYSTEM AND METHOD FOR PREVENTING SEDIMENT FORMATION IN TANK DURING HEAT EXTRACTION FROM WASTEWATER

#6
20250290710
2025-09-18

DRAIN WATER HEAT RECOVERY DEVICE, SYSTEM AND METHOD

#7
20250283634
2025-09-11

USE OF PHASE CHANGE MATERIALS TO STORE ENERGY FOR HEATING APPLICATIONS IN CHEMICAL PRODUCTION PROCESSES

#8
20250027720
2025-01-23

HEAT EXCHANGER WATER TRAP

#9
20240393061
2024-11-28

Shower Steam Condenser

#10
20240280331
2024-08-22

GREY WATER HEAT RECOVERY APPARATUS

#11
20240164617
2024-05-23

Home Appliance

#12
20240052621
2024-02-15

Shower drain system and a shower or shower cabin

#13
20230292981
2023-09-21

Dish washing machine with heat exchangers

#14
20230280105
2023-09-07

Device for recovering waste heat from hot water

#15
20230213244
2023-07-06

Advanced reinforcement design for multifunction concrete wastepipes

#16
20230194189
2023-06-22

Heat exchanger, fuel cell assembly and method

#17
20230077344
2023-03-16

Energy recovery system for heated water

#18
20230023068
2023-01-26

FEED WATER SUPPLEMENTARY THERMAL EXCHANGE APPARATUS, SYSTEM AND METHOD

#19
20230011599
2023-01-12

APPARATUS AND METHOD FOR HEAT RECOVERY FROM SERVICE WATER

#20
20220325959
2022-10-13

Modular heat exchanger and method of assembly thereof

#21
20220316803
2022-10-06

Heat recovery system adaptable to a sink

#22
20220196342
2022-06-23

HEAT EXCHANGER MODULE, HEAT EXCHANGER SYSTEM AND METHOD FOR PRODUCING THE HEAT EXCHANGER SYSTEM

#23
20220128244
2022-04-28

Apparatus and method for heat recovery from a liquid medium

#24
20210228060
2021-07-29

Dish washing machine with heat exchangers

#25
20210199390
2021-07-01

Method and Adjustment System for Controlling the Recovery of Heat Energy from Wastewater Flowing in a Spiral Pipe Present Inside a Container

#26
20210199389
2021-07-01

Container for recovering the heat energy of wastewater

#27
20210172683
2021-06-10

Compact thin-film heat recovery device for showers

#28
20200400385
2020-12-24

Storage integrated heat exchanger

#29
20200363140
2020-11-19

Heat recovery unit for gray water

#30
20200340663
2020-10-29

Feed water supplementary thermal exchange apparatus, system and method

#31
20200309634
2020-10-01

HEAT EXCHANGING DEVICE

#32
20200256594
2020-08-13

SUPPLEMENTAL HEAT TRANSFER APPARATUS FOR GEOTHERMAL SYSTEMS

#33
20200224977
2020-07-16

Heat recovery unit for gray water

#34
20200208848
2020-07-02

Waste-liquid heat recovery

#35
20200131746
2020-04-30

Shower system

#36
20200116439
2020-04-16

Fluid heat exchanger and energy recycling device

#37
20200116438
2020-04-16

Systems and methods for exchanging thermal energy between a drain liquid and a source liquid for heating or cooling

#38
20200056846
2020-02-20

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

#39
20200003496
2020-01-02

Heat exchangers that save energy by heat exchange between a fresh liquid and waste fluids

#40
20190292947
2019-09-26

RANKINE CYCLE APPARATUS, COMBINED HEAT AND POWER SYSTEM, AND RANKINE CYCLE APPARATUS OPERATION METHOD

#41
20190219347
2019-07-18

Heat exchanger with heat transferring layer

#42
20190212062
2019-07-11

HELICAL COIL-ON-TUBE HEAT EXCHANGER

#43
20190208982
2019-07-11

Heating assembly for a washing appliance

#44
20190177198
2019-06-13

ODORLESS WASTE DISPOSER UNIT

#45
20190137192
2019-05-09

Heat recovery apparatus and method

#46
20180328633
2018-11-15

Supplemental heat transfer apparatus for geothermal systems

#47
20180187980
2018-07-05

Heat recovery apparatus and method

#48
20180116483
2018-05-03

Energy recovery system for heated water

#49
20170292790
2017-10-12

Heat exchange conduit and heat exchanger

#50
20170268827
2017-09-21

Method and Apparatus for Reclaiming Heat During Liquid Purification Using Heat Exchanges

#51
20170254595
2017-09-07

WASTE WATER HEAT RECOVERY SYSTEM

#52
20170248333
2017-08-31

GEOTHERMAL HEATING AND COOLING SYSTEM

#53
20170241685
2017-08-24

EVAPORATOR

#54
20170241648
2017-08-24

Device for preheating inlet of a hot water supply

#55
20170198982
2017-07-13

FLOOR DRAIN

#56
20170121951
2017-05-04

Flushing assembly

#57
20170074523
2017-03-16

Device for domestic hot water distribution

#58
20170038158
2017-02-09

HEAT EXCHANGER AND A SYSTEM FOR RECOVERY OF THERMAL ENERGY FROM WASTE WATER

#59
20160341490
2016-11-24

Heat exchanger for a shower or bathtub

#60
20160216045
2016-07-28

FLUID HEAT EXCHANGER AND ENERGY RECYCLING DEVICE

#61
20160201997
2016-07-14

Energy-efficient and environmentally advanced configurations for naphtha hydrotreating process

#62
20160200989
2016-07-14

Energy-efficient and environmentally advanced configurations for naphtha hydrotreating process

#63
20160169538
2016-06-16

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

#64
20160168000
2016-06-16

Floating methanation system

#65
20160069617
2016-03-10

Heat recovery apparatus and method

#66
20160003506
2016-01-07

Systems and methods for recovering energy from wastewater

#67
20150267568
2015-09-24

Rankine cycle apparatus, combined heat and power system, and rankine cycle apparatus operation method

#68
20140090801
2014-04-03

Energy efficient thermally dynamic building design and method

#69
20130333238
2013-12-19

WASTE HEAT RECOVERY AND STORAGE SYSTEM FOR A DISHWASHING APPLIANCE

#70
20130330679
2013-12-12

Heat-source selecting device for heat source system, method thereof, and heat source system

#71
20130306289
2013-11-21

Composite pipe heat exchanger for drainwater heat recovery

#72
20130269917
2013-10-17

Heat recovery system, its heat recovery process and use

#73
20130153183
2013-06-20

Heat exchanger

#74
20130152302
2013-06-20

Domestic appliance

#75
20130152301
2013-06-20

Domestic appliance

#76
20130118714
2013-05-16

Method and apparatus for reclaiming heat during liquid purification using heat exchanges

#77
20130058725
2013-03-07

SYSTEM FOR EXTRACTING HEAT FROM AN EFFLUENT FLOWING IN A DUCT, AND HEAT EXCHANGER FOR SUCH A SYSTEM

#78
20130056191
2013-03-07

METHOD FOR EXTRACTING HEAT FROM AN EFFLUENT FLOWING IN A DUCT, HEAT EXCHANGER AND SYSTEM FOR CARRYING OUT SUCH A METHOD

#79
20130037236
2013-02-14

GEOTHERMAL FACILITY WITH THERMAL RECHARGING OF THE SUBSOIL

#80
20130025836
2013-01-31

HELICAL COIL-ON-TUBE HEAT EXCHANGER

#81
20120318483
2012-12-20

Heat Exchanger for Drain Heat Recovery

#82
20120285659
2012-11-15

HEAT EXCHANGER, A FOOD HANDLER INCLUDING THE HEAT EXCHANGER, AND A MANUFACTURING METHOD OF THE HEAT EXCHANGER

#83
20120279900
2012-11-08

Energy-efficient and environmentally advanced configurations for naptha hydrotreating process

#84
20120255706
2012-10-11

Heat Exchange Using Underground Water System

#85
20120186796
2012-07-26

HEAT EXCHANGER DEVICE AND USE THEREOF

#86
20120177349
2012-07-12

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

#87
20120168114
2012-07-05

HEAT EXCHANGER ASSEMBLY AND METHOD FOR TRANSPORTING THERMAL ENERGY

#88
20120159980
2012-06-28

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

#89
20120125587
2012-05-24

HEAT EXCHANGER FOR BATHING SHOWER

#90
20120073790
2012-03-29

WASTEWATER HEAT RECOVERY DEVICE AND METHOD THEREOF

#91
20120073782
2012-03-29

WASTEWATER HEAT RECOVERY APPARATUS MONITORING SYSTEM

#92
20120061056
2012-03-15

RECOVERY OF HEAT FROM WASTEWATER

#93
20120047961
2012-03-01

Heat recovery system for use with a washing appliance

#94
20120047941
2012-03-01

Water recovery system SAGD system utilizing a flash drum

#95
20110289674
2011-12-01

Heat exchanger

#96
20110277473
2011-11-17

Thermal Energy Transfer System

#97
20110240269
2011-10-06

Waste water heat recovery system

#98
20110232313
2011-09-29

Chiller Condensate System

#99
20110203786
2011-08-25

Waste Water Heat Transfer System

#100
20110203303
2011-08-25

HEATING SYSTEM WITH OPTIMIZED RECOVERY OF WASTE WATER HEAT

#101
20110162824
2011-07-07

HEAT RECOVERY APPARATUS

#102
20110155366
2011-06-30

GREY WATER HEAT RECOVERY SYSTEM

#103
20110107512
2011-05-12

Heat exchange devices

#104
20110099919
2011-05-05

Movable Concrete Foundation, Movable Building, and Method for Manufacturing Concrete Foundation for Movable Building

#105
20110094708
2011-04-28

Shower heat exchanger with clog-removable drain

#106
20110061843
2011-03-17

Heat recovery method and system therefore

#107
20110024080
2011-02-03

Heat Exchanger

#108
20100300658
2010-12-02

Method and system of recovering the heat wasted from the steam boilers continuous blow down to preheat the boiler combustion air

#109
20100282453
2010-11-11

Heat exchanger for bathing shower

#110
20100270009
2010-10-28

Apparatus for recycling wasted heat using waste hot water

#111
20100258062
2010-10-14

COLD WATER PRE-HEATER

#112
20100236750
2010-09-23

HEAT EXCHANGE SYSTEM

#113
20100212878
2010-08-26

Heat exchanger for a bathing shower

#114
20100139579
2010-06-10

Water heater special for bathroom

#115
20100132403
2010-06-03

Drainpipe heat exchanger with heat storage

#116
20100065250
2010-03-18

Method and device for transmitting heat between waste water located in a tank and a fluid

#117
20090308569
2009-12-17

HEAT EXCHANGE SYSTEM

#118
20090250085
2009-10-08

Heat recovery device with self-cleaning

#119
20090218080
2009-09-03

Wastewater heat recovery device and method

#120
20090218071
2009-09-03

Heat exchanger for utilising the heat from waste water

#121
20090139688
2009-06-04

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

#122
20090095454
2009-04-16

Drainpipe heat exchanger

#123
20090071107
2009-03-19

Device for shrinking packagings

#124
20090056919
2009-03-05

Heat exchanger

#125
20090031967
2009-02-05

INTEGRAL WATERWALL EXTERNAL HEAT EXCHANGERS

#126
20080257535
2008-10-23

Shower trap heat recovery apparatus

#127
20080240692
2008-10-02

Heat recovery device

#128
20080060796
2008-03-13

Heat exchange device for hot water of shower and bath

#129
20080029046
2008-02-07

Hot water reclaimer

#130
20080017361
2008-01-24

Helical coil-on-tube heat exchanger

#131
20080000616
2008-01-03

Heat exchanger and use thereof in showers

#132
20070227694
2007-10-04

Spray or Shower Arrangement and Shower Insert

#133
20070221362
2007-09-27

Disinfection System

#134
20070221361
2007-09-27

Absorber for a pipe construction or sewer construction and pipe or sewer configuration provided with the absorber

#135
20070170270
2007-07-26

Waste water heat recovery system and method

#136
20070163762
2007-07-19

Heat exchanger and installation for extracting heat from waste water

#137
20070089230
2007-04-26

Waste-water heat recovery system

#138
20050189094
2005-09-01

Helical coil-on-tube heat exchanger

#139
20050173102
2005-08-11

Heat exchanger for wasted heat with its cleaning apparatus

#140
17531869
2022-10-11

Combined heat, power, water and waste system

#141
16734274
2022-05-17

Cold-air dryer