F24D2200/20 - CPC Classification Index

#1

20250189142

2025-06-12

SYSTEMS AND METHODS FOR WASTEWATER HEAT RECOVERY

#2

20240328632

2024-10-03

SYSTEM AND METHOD FOR PROVIDING DOMESTIC HOT WATER AND/OR SPACE HEATING WITHIN A BUILDING, AND A REMOVABLE COVER OF A STORAGE VESSEL

#3

20230213244

2023-07-06

Advanced reinforcement design for multifunction concrete wastepipes

#4

20230077344

2023-03-16

Energy recovery system for heated water

#5

20220404036

2022-12-22

Gray water heat recovery apparatus and method

#6

20220128244

2022-04-28

Apparatus and method for heat recovery from a liquid medium

#7

20200363140

2020-11-19

Heat recovery unit for gray water

#8

20200340663

2020-10-29

Feed water supplementary thermal exchange apparatus, system and method

#9

20200309634

2020-10-01

HEAT EXCHANGING DEVICE

#10

20200224977

2020-07-16

Heat recovery unit for gray water

#11

20200217518

2020-07-09

Energy storage systems

#12

20200208848

2020-07-02

Waste-liquid heat recovery

#13

20200116438

2020-04-16

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

#14

20200056846

2020-02-20

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

#15

20190107293

2019-04-11

Water heating system with smart boiler and method thereof

#16

20180195741

2018-07-12

Energy storage systems

#17

20180116483

2018-05-03

Energy recovery system for heated water

#18

20170306798

2017-10-26

Liquid heating appliance

#19

20170074523

2017-03-16

Device for domestic hot water distribution

#20

20160341490

2016-11-24

Heat exchanger for a shower or bathtub

#21

20160169538

2016-06-16

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

#22

20160003506

2016-01-07

Systems and methods for recovering energy from wastewater

#23

20150114019

2015-04-30

Heat pump system using latent heat

#24

20150113987

2015-04-30

Integrated renewable energy and asset system

#25

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

#26

20130306289

2013-11-21

Composite pipe heat exchanger for drainwater heat recovery

#27

20130269917

2013-10-17

Heat recovery system, its heat recovery process and use

#28

20130199627

2013-08-08

Fluid flow control system

#29

20130037236

2013-02-14

GEOTHERMAL FACILITY WITH THERMAL RECHARGING OF THE SUBSOIL

#30

20120227926

2012-09-13

ENERGY STORAGE SYSTEMS

#31

20120168114

2012-07-05

HEAT EXCHANGER ASSEMBLY AND METHOD FOR TRANSPORTING THERMAL ENERGY

#32

20120159980

2012-06-28

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

#33

20120151950

2012-06-21

Heat transfer system

#34

20120073782

2012-03-29

WASTEWATER HEAT RECOVERY APPARATUS MONITORING SYSTEM

#35

20120061056

2012-03-15

RECOVERY OF HEAT FROM WASTEWATER

#36

20110289674

2011-12-01

Heat exchanger

#37

20110265974

2011-11-03

METHODS AND EQUIPMENT FOR HEATING AND COOLING BUILDING ZONES

#38

20110265972

2011-11-03

METHODS AND EQUIPMENT FOR GEOTHERMALLY EXCHANGING ENERGY

#39

20110265502

2011-11-03

HIGH-EFFICIENCY HEAT PUMPS

#40

20110265499

2011-11-03

CONTROLS FOR HIGH-EFFICIENCY HEAT PUMPS

#41

20110203786

2011-08-25

Waste Water Heat Transfer System

#42

20110203303

2011-08-25

HEATING SYSTEM WITH OPTIMIZED RECOVERY OF WASTE WATER HEAT

#43

20110162824

2011-07-07

HEAT RECOVERY APPARATUS

#44

20110107512

2011-05-12

Heat exchange devices

#45

20110061843

2011-03-17

Heat recovery method and system therefore

#46

20100326638

2010-12-30

Waste heat recycling and gain system

#47

20100326622

2010-12-30

METHODS AND EQUIPMENT FOR GEOTHERMALLY EXCHANGING ENERGY

#48

20100326099

2010-12-30

HIGH-EFFICIENCY HEAT PUMPS

#49

20100270009

2010-10-28

Apparatus for recycling wasted heat using waste hot water

#50

20100236750

2010-09-23

HEAT EXCHANGE SYSTEM

#51

20100212878

2010-08-26

Heat exchanger for a bathing shower

#52

20100139579

2010-06-10

Water heater special for bathroom

#53

20100114384

2010-05-06

CONTROLS FOR HIGH-EFFICIENCY HEAT PUMPS

#54

20100108290

2010-05-06

METHODS AND EQUIPMENT FOR HEATING AND COOLING BUILDING ZONES

#55

20090308569

2009-12-17

HEAT EXCHANGE SYSTEM

#56

20090222981

2009-09-10

Integrated domestic utility system

#57

20090218080

2009-09-03

Wastewater heat recovery device and method

#58

20090205266

2009-08-20

Modularized Self-sustaining Building System

#59

20090056919

2009-03-05

Heat exchanger

#60

20080257535

2008-10-23

Shower trap heat recovery apparatus

#61

20070227694

2007-10-04

Spray or Shower Arrangement and Shower Insert