Y02B30/56 - CPC Classification Index

#1

20260104172

2026-04-16

VENTILATION SYSTEM AND METHOD FOR CONTROLLING THE SAME

#2

20250305705

2025-10-02

VENTILATION APPARATUS AND CONTROL METHOD THEREOF

#3

20250085005

2025-03-13

LIQUID-TO-AIR MEMBRANE ENERGY EXCHANGER

#4

20240393000

2024-11-28

METHOD FOR PRODUCING AN EXCHANGER ELEMENT PACKAGE FOR A VEHICLE

#5

20240167710

2024-05-23

VENTILATION SYSTEM AND METHOD FOR CONTROLLING THE SAME

#6

20240027094

2024-01-25

USING LIQUID TO AIR MEMBRANE ENERGY EXCHANGER FOR LIQUID COOLING

#7

20230392872

2023-12-07

LIQUID PANEL ASSEMBLY

#8

20230243526

2023-08-03

Enthalpy exchanger

#9

20230160597

2023-05-25

VENTILATION APPARATUS AND CONTROL METHOD THEREOF

#10

20230091015

2023-03-23

Stretchable laminates

#11

20220364760

2022-11-17

Makeup air parallel flow energy recovery system atop air conditioner

#12

20220003437

2022-01-06

Systems and methods for providing cooling to a heat load

#13

20220003436

2022-01-06

Liquid-to-air membrane energy exchanger

#14

20210396422

2021-12-23

Using liquid to air membrane energy exchanger for liquid cooling

#15

20210332993

2021-10-28

Energy exchange system for conditioning air in an enclosed structure

#16

20210231384

2021-07-29

Liquid panel assembly

#17

20210197110

2021-07-01

Ventilation type air cleaner and ventilation system having the same

#18

20210148597

2021-05-20

Method for producing an exchanger element package for a vehicle

#19

20210123618

2021-04-29

ROOF VENT

#20

20210108807

2021-04-15

Enthalpy exchanger

#21

20200173672

2020-06-04

Control system and method for a liquid desiccant air delivery system

#22

20200116439

2020-04-16

Fluid heat exchanger and energy recycling device

#23

20200064012

2020-02-27

Supply and exhaust ventilation device

#24

20200003496

2020-01-02

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

#25

20190293319

2019-09-26

Heat exchange ventilator

#26

20190271490

2019-09-05

Systems and methods for managing conditions in enclosed space

#27

20190186808

2019-06-20

Evaporator and refrigerator comprising same

#28

20190178515

2019-06-13

Method and device for reducing or eliminating the temperature drop of the supply air temperature during defrosting of an evaporator at an air handling unit

#29

20190137192

2019-05-09

Heat recovery apparatus and method

#30

20190056134

2019-02-21

Ventilator, and defrosting method

#31

20180313614

2018-11-01

Method of operating an energy recovery system

#32

20180224152

2018-08-09

Heat pipe air-conditioning apparatus using bypass passage

#33

20180156481

2018-06-07

Displacement ventilation systems for enclosed spaces

#34

20180156480

2018-06-07

Ridge vent

#35

20180135880

2018-05-17

Using liquid to air membrane energy exchanger for liquid cooling

#36

20180073753

2018-03-15

Systems and methods for providing cooling to a heat load

#37

20170350655

2017-12-07

Cylindrical air to air heat exchanger

#38

20170241655

2017-08-24

Liquid panel assembly

#39

20170016646

2017-01-19

Air conditioning system and control method thereof

#40

20170010044

2017-01-12

Device for producing a stream of air through a volume of liquid

#41

20160348938

2016-12-01

HVAC system thermal recovery

#42

20160290666

2016-10-06

Energy exchange system for conditioning air in an enclosed structure

#43

20140374065

2014-12-25

Energy recovery ventilator

#44

20140260369

2014-09-18

Evaporative cooling system with liquid-to-air membrane energy exchanger

#45

20140083648

2014-03-27

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

#46

20130333238

2013-12-19

WASTE HEAT RECOVERY AND STORAGE SYSTEM FOR A DISHWASHING APPLIANCE

#47

20130248154

2013-09-26

ENERGY RECOVERY HEAT EXCHANGER AND METHOD

#48

20130248147

2013-09-26

System and method for conditioning air in an enclosed structure

#49

20130153183

2013-06-20

Heat exchanger

#50

20130124111

2013-05-16

System and method for monitoring and reporting energy recovery ventilator status

#51

20130116951

2013-05-09

System and method for monitoring and reporting energy recovery ventilator power consumption and service and maintenance needs

#52

20130098582

2013-04-25

Method using heat pipes with multiple evaporator/condenser zones and heat exchangers using same

#53

20130095744

2013-04-18

SENSOR MOUNTING PANEL FOR AN ENERGY RECOVERY VENTILATOR UNIT

#54

20130092346

2013-04-18

Energy recovery ventilator unit with offset and overlapping enthalpy wheels

#55

20130092345

2013-04-18

Layout for an energy recovery ventilator system

#56

20130092344

2013-04-18

Transition module for an energy recovery ventilator unit

#57

20130090051

2013-04-11

ERV global pressure demand control ventilation mode

#58

20130087302

2013-04-11

Detecting and correcting enthalpy wheel failure modes

#59

20130062040

2013-03-14

System for Extracting Heat from Outside Air

#60

20130058725

2013-03-07

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

#61

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

#62

20130056177

2013-03-07

Energy exchange system for conditioning air in an enclosed structure

#63

20130055735

2013-03-07

Defrost bypass dehumidifier

#64

20130048267

2013-02-28

VENTILATION AND AIR-CONDITIONING APPARATUS AND METHOD FOR CONTROLLING THE SAME

#65

20130037236

2013-02-14

GEOTHERMAL FACILITY WITH THERMAL RECHARGING OF THE SUBSOIL

#66

20130036913

2013-02-14

DESICCANT AIR CONDITIONER

#67

20130025836

2013-01-31

HELICAL COIL-ON-TUBE HEAT EXCHANGER

#68

20130025822

2013-01-31

VENTILATION APPARATUS

#69

20130017774

2013-01-17

HVAC apparatus with HRV/ERV unit and vertical fan coil unit

#70

20130000882

2013-01-03

METHOD AND ARRANGEMENT FOR USING LOW-ENERGY SOURCE FOR CONTROLLING AIR TEMPERATURE IN ROOM SPACE

#71

20120318483

2012-12-20

Heat Exchanger for Drain Heat Recovery

#72

20120312035

2012-12-13

AIR CONDITIONING SYSTEM

#73

20120305214

2012-12-06

Geothermal Heating and Cooling Ventilation System

#74

20120291992

2012-11-22

Multi-Pathway Air Transfer, Thermal Energy Exchange System

#75

20120291463

2012-11-22

Split system dehumidifier

#76

20120285666

2012-11-15

COAXIAL AIR TO AIR HEAT EXCHANGER FOR CIRCUMFERENTIAL WINDOW FRAME INSTALLATION

#77

20120285659

2012-11-15

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

#78

20120261091

2012-10-18

LOW-ENERGY BUILDING, ESPECIALLY SELF-SUFFICIENT ZERO-ENERGY HOUSE

#79

20120260689

2012-10-18

Device for Climate Control of Greenhouses

#80

20120255706

2012-10-11

Heat Exchange Using Underground Water System

#81

20120255705

2012-10-11

METHOD AND AN APPARATUS IN A VENTILATION SYSTEM

#82

20120253526

2012-10-04

Methods and systems for controlling an energy recovery ventilator (ERV)

#83

20120247132

2012-10-04

Air conditioning/dehumidifying unit

#84

20120238199

2012-09-20

AIR CONDITIONING EQUIPMENT FOR AIR-RETURN AREA OR ROOM BY USING DAMPER-DIFFUSER INTEGRATED MOTORIZED DIFFUSER

#85

20120216982

2012-08-30

TOTAL HEAT EXCHANGE-TYPE VENTILATING APPARATUS, AND METHOD FOR CONTROLLING SAME

#86

20120216558

2012-08-30

Packaged HVAC System For Indoor Installation

#87

20120216554

2012-08-30

INTELLIGENT ENERGY-SAVING AIR CONDITIONER

#88

20120196523

2012-08-02

HIGH EFFICIENCY ENERGY RECOVERY CORE FOR VENTILATION

#89

20120193073

2012-08-02

DEVICE FOR BUILDING VENTILATION

#90

20120186796

2012-07-26

HEAT EXCHANGER DEVICE AND USE THEREOF

#91

20120186787

2012-07-26

HEAT PIPE SYSTEM HAVING COMMON VAPOR RAIL

#92

20120186785

2012-07-26

HEAT PIPE SYSTEM HAVING COMMON VAPOR RAIL FOR USE IN A VENTILATION SYSTEM

#93

20120180982

2012-07-19

Heat pump system having a pre-processing module

#94

20120180505

2012-07-19

Heat pump system having a pre-processing module

#95

20120178355

2012-07-12

Heat Exchange Ventilating Apparatus

#96

20120168119

2012-07-05

Ventilation device for use in systems and methods for removing heat from enclosed spaces with high internal heat generation

#97

20120168114

2012-07-05

HEAT EXCHANGER ASSEMBLY AND METHOD FOR TRANSPORTING THERMAL ENERGY

#98

20120167600

2012-07-05

Methods for removing heat from enclosed spaces with high internal heat generation

#99

20120159980

2012-06-28

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

#100

20120152503

2012-06-21

HEAT EXCHANGER

#101

20120137716

2012-06-07

Air conditioning device utilizing temperature differentiation of exhausted gas to even temperature of external heat exchanger

#102

20120137715

2012-06-07

Air conditioning device utilizing temperature differentiation of exhausted gas to even temperature of external heat exchanger

#103

20120125587

2012-05-24

HEAT EXCHANGER FOR BATHING SHOWER

#104

20120122388

2012-05-17

Ventilation system

#105

20120094590

2012-04-19

VENTILATION SYSTEM

#106

20120087086

2012-04-12

Apparatus and method for cooling of a substantially closed space with recirculation air

#107

20120073791

2012-03-29

Energy recovery ventilation sulfonated block copolymer laminate membrane

#108

20120071081

2012-03-22

Ventilating apparatus, and method for controlling the ventilating apparatus

#109

20120071080

2012-03-22

Ventilating apparatus

#110

20120071078

2012-03-22

HUMIDIFYING UNIT AND VENTILATING APPARATUS COMPRISING SAME

#111

20120064818

2012-03-15

Heat recovery and demand ventilationsystem

#112

20120061056

2012-03-15

RECOVERY OF HEAT FROM WASTEWATER

#113

20120061045

2012-03-15

Coated membranes for enthalpy exchange and other applications

#114

20120048768

2012-03-01

Phase change material pack

#115

20120048521

2012-03-01

Condensing Gas Package Unit for Roof or Ground Installation, Collector, and Condensate Drain Apparatus

#116

20120048507

2012-03-01

Fresh air heat exchanger with air treatment system

#117

20120031599

2012-02-09

Heat exchanger-integrated reaction device having supplying and return ducts for reaction section

#118

20120031133

2012-02-09

Air conditioner having a desiccant rotor with moisture adsorbing area

#119

20120023988

2012-02-02

DESICCANT AIR-CONDITIONING SYSTEM

#120

20120022702

2012-01-26

Distribution of airflow in an HVAC system to optimize energy efficiency and temperature differentials

#121

20120018123

2012-01-26

Fresh air heat exchanger with air treatment system

#122

20120012290

2012-01-19

ARCHITECTURAL HEAT AND MOISTURE EXCHANGE

#123

20110315347

2011-12-29

Isolated Counter-Flow Air Heat Exchanging Device with Vertical Structure

#124

20110308265

2011-12-22

Integrated ventilation unit

#125

20110289674

2011-12-01

Heat exchanger

#126

20110277970

2011-11-17

HEAT EXCHANGER DEVICE AND HEATING ELEMENT HOLDER USING SAME

#127

20110277473

2011-11-17

Thermal Energy Transfer System

#128

20110271700

2011-11-10

Drainless air conditioner

#129

20110264275

2011-10-27

Demand control ventilation system with commissioning and checkout sequence control

#130

20110259573

2011-10-27

COOLING SYSTEM

#131

20110244780

2011-10-06

EQUIPMENT FOR RENEWING AIR IN A PLURALITY OF ROOMS BY MEANS OF A DUAL-FLOW HEAT EXCHANGER PROVIDED IN EACH ROOM

#132

20110240269

2011-10-06

Waste water heat recovery system

#133

20110237175

2011-09-29

METHOD DEVICE AND SYSTEM FOR HEATING/COOLING AND VENTILATING A PREMISES

#134

20110232313

2011-09-29

Chiller Condensate System

#135

20110223848

2011-09-15

Ventilation system

#136

20110214446

2011-09-08

Desiccant air conditioner

#137

20110203786

2011-08-25

Waste Water Heat Transfer System

#138

20110203303

2011-08-25

HEATING SYSTEM WITH OPTIMIZED RECOVERY OF WASTE WATER HEAT

#139

20110201264

2011-08-18

Passive Heat Recovery & Ventilation System

#140

20110198053

2011-08-18

System for heating and cooling ambient air in a room of a building

#141

20110195654

2011-08-11

Air-exchange device for buildings

#142

20110192580

2011-08-11

Heat exchange device and heat generating element containing device using same

#143

20110189937

2011-08-04

Heat exchange ventilator

#144

20110185752

2011-08-04

METHOD AND DEVICE FOR PREPARING AIR TO BE SUPPLIED TO A ROOM TO A DESIRED TEMPERATURE AND A DESIRED HUMIDITY

#145

20110179949

2011-07-28

Method and apparatus for operating ducted fumehoods with increased energy efficiency

#146

20110175498

2011-07-21

Data Center

#147

20110162824

2011-07-07

HEAT RECOVERY APPARATUS

#148

20110155366

2011-06-30

GREY WATER HEAT RECOVERY SYSTEM

#149

20110146941

2011-06-23

Energy recovery ventilator

#150

20110139403

2011-06-16

Heat Exchanger

#151

20110132583

2011-06-09

DOUBLE FLOW HEAT EXCHANGER DEVICE

#152

20110114084

2011-05-19

Heat recovery installation using solar energy

#153

20110111689

2011-05-12

VENTILATOR

#154

20110108256

2011-05-12

Total heat exchanging element and total heat exchanger

#155

20110107512

2011-05-12

Heat exchange devices

#156

20110099919

2011-05-05

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

#157

20110094708

2011-04-28

Shower heat exchanger with clog-removable drain

#158

20110088422

2011-04-21

Air conditioner

#159

20110088417

2011-04-21

Energy Recovery Ventilator And Dehumidifier

#160

20110079024

2011-04-07

Combined heat exchange unit

#161

20110076934

2011-03-31

Ventilation device with alternating airflows

#162

20110076933

2011-03-31

Ventilation device with alternating airflow

#163

20110061843

2011-03-17

Heat recovery method and system therefore

#164

20110061408

2011-03-17

DEHUMIDIFIERS FOR HIGH TEMPERATURE OPERATION, AND ASSOCIATED SYSTEMS AND METHODS

#165

20110059686

2011-03-10

Ventilator

#166

20110041534

2011-02-24

DEVICE FOR INCREASING THE HEATING AND COOLING OUTPUT OF A HEAT PUMP IN HEAT RECLAMATION IN AIR CONDITIONING UNITS

#167

20110036541

2011-02-17

HEAT EXCHANGE VENTILATOR

#168

20110030931

2011-02-10

HEAT EXCHANGER AIR PATH FORMING PLATE AND HEAT EXCHANGER EMPLOYING THE SAME

#169

20110024080

2011-02-03

Heat Exchanger

#170

20110023517

2011-02-03

FACILITY FOR PRODUCING SANITARY HOT WATER FOR CONGREGATE HOUSING

#171

20110016806

2011-01-27

BOUNDARY LAYER ENERGY RECOVERY APPARATUS

#172

20110012572

2011-01-20

HEAT-EXCHANGE COOLING DEVICE AND POWER SUPPLY CIRCUIT DRIVER USED THEREFORE

#173

20110005151

2011-01-13

Low-energy building, particularly greenhouse or stabling

#174

20110000157

2011-01-06

INSULATING PANELS

#175

20100320277

2010-12-23

Constant air volume / variable air temperature zone temperature and humidity control system

#176

20100307175

2010-12-09

Energy recovery enhanced condenser reactivated desiccant refrigerant dehumidifier

#177

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

#178

20100300649

2010-12-02

Ventilation device and controlling method of the same

#179

20100300123

2010-12-02

HYBRID DESICCANT DEHUMIDIFYING APPARATUS AND CONTROL METHOD THEREOF

#180

20100294458

2010-11-25

HEAT EXCHANGE DEVICE AND DEVICE FOR RECEIVING HEAT GENERATION BODY

#181

20100291857

2010-11-18

Ventilation system and controlling method of the same

#182

20100287953

2010-11-18

Air Conditioning Apparatus

#183

20100286831

2010-11-11

Method and apparatus for controlling ventilation systems

#184

20100282453

2010-11-11

Heat exchanger for bathing shower

#185

20100275630

2010-11-04

Defrost bypass dehumidifier

#186

20100270009

2010-10-28

Apparatus for recycling wasted heat using waste hot water

#187

20100258062

2010-10-14

COLD WATER PRE-HEATER

#188

20100252231

2010-10-07

DATA CENTRE COOLING APPARATUS

#189

20100251758

2010-10-07

Humidity control apparatus

#190

20100248612

2010-09-30

DEVICE FOR VENTILATING AND AIR-CONDITIONING BATHROOM

#191

20100236750

2010-09-23

HEAT EXCHANGE SYSTEM

#192

20100224688

2010-09-09

HUMIDITY CONTROL APPARATUS AND VENTILATION APPARATUS

#193

20100224347

2010-09-09

Heat Exchanger

#194

20100218919

2010-09-02

Cooling device

#195

20100193165

2010-08-05

HIGHLY EFFICIENT ENVIRONMENT-FRIENDLY AIR TYPE HEAT EXCHANGER

#196

20100191379

2010-07-29

VENTILATING APPARATUS AND METHOD OF CONTROLLING THE SAME

#197

20100178157

2010-07-15

HEAT EXCHANGE ELEMENT, MANUFACTURING METHOD THEREOF, AND HEAT EXCHANGE VENTILATOR

#198

20100170655

2010-07-08

Air Supply Unit

#199

20100167637

2010-07-01

Ventilation System

#200

20100155044

2010-06-24

Heat exchange apparatus with automatic heat exchange fluid flow rate exchange modulation

#201

20100147499

2010-06-17

Heat exchange element and manufacturing method thereof, heat exchanger, and heat exchange ventilator

#202

20100146810

2010-06-17

CONDITIONING APPARATUS FOR THE AIR SUPPLY STREAM OF A DRYING CHAMBER OF AN ENAMELING LINE AND A METHOD FOR CONDITIONING THE AIR SUPPLY STREAM

#203

20100139579

2010-06-10

Water heater special for bathroom

#204

20100136896

2010-06-03

Air conditioning device

#205

20100132403

2010-06-03

Drainpipe heat exchanger with heat storage

#206

20100122806

2010-05-20

Compact and Efficient Heat Exchanger, Furnace, HVAC Unit, Building, and Method of Making

#207

20100122794

2010-05-20

Method for coupling two adjacent heat exchangers and coupling unit for use therein

#208

20100105310

2010-04-29

ZERO NET ENERGY SYSTEM AND METHOD

#209

20100101764

2010-04-29

Double flow-circuit heat exchange device for periodic positive and reverse directional pumping

#210

20100089558

2010-04-15

Total heat exchanging element and total heat exchanger

#211

20100084483

2010-04-08

System and method for controlling temperature and humidity of a controlled space

#212

20100071887

2010-03-25

HEAT EXCHANGING ELEMENT

#213

20100065650

2010-03-18

Air conditioning system

#214

20100065250

2010-03-18

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

#215

20100044448

2010-02-25

Ventilation system and method

#216

20100032145

2010-02-11

HEAT CONDUCTION UNIT WITH IMPROVED LAMINAR

#217

20100024106

2010-02-04

Bathroom air-conditioner

#218

20100018681

2010-01-28

Single flow circuit heat exchange device for periodic positive and reverse directional pumping

#219

20100015906

2010-01-21

Air conditioning ventilator

#220

20100000724

2010-01-07

Method and device for cooling circulating air

#221

20090314480

2009-12-24

Flat plate heat and moisture exchanger

#222

20090308569

2009-12-17

HEAT EXCHANGE SYSTEM

#223

20090255997

2009-10-15

Apparatus and Method for Flexibly and Efficiently Varying Air Temperatures in Multiple Rooms

#224

20090253365

2009-10-08

Blower wheel assembly having a dynamic seal member for providing an air seal on rotation of a blower wheel

#225

20090250085

2009-10-08

Heat recovery device with self-cleaning

#226

20090224712

2009-09-10

Heat-exchange cooling device and power supply circuit driver used therefore

#227

20090218080

2009-09-03

Wastewater heat recovery device and method

#228

20090218071

2009-09-03

Heat exchanger for utilising the heat from waste water

#229

20090205804

2009-08-20

CABIN THERMAL CONTROL SYSTEM

#230

20090186569

2009-07-23

SEMICONDUCTOR DEVICE MANUFACTURING APPARATUS AND MANUFACTURING METHOD

#231

20090166442

2009-07-02

Constant air volume/variable air temperature zone temperature and humidity control system

#232

20090156115

2009-06-18

Method And System For Ventilating A Space

#233

20090145140

2009-06-11

Split-air stream air conditioning with desiccant dehumidification

#234

20090139688

2009-06-04

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

#235

20090139261

2009-06-04

COOLER FOR HEATER-CONTAINING BOX

#236

20090133851

2009-05-28

Heat recovery ventilator with defrost

#237

20090114369

2009-05-07

Air to air heat exchanger

#238

20090101727

2009-04-23

DEHUMIDIFYING SYSTEM

#239

20090101304

2009-04-23

HEAT EXCHANGE TYPE COOLING DEVICE

#240

20090095454

2009-04-16

Drainpipe heat exchanger

#241

20090075581

2009-03-19

COOLING AND VENTILATION DEVICE

#242

20090056919

2009-03-05

Heat exchanger

#243

20090044935

2009-02-19

Method and arrangement for optimizing heat transfer properties in heat exchange ventilation systems

#244

20090032228

2009-02-05

Recuperative climate conditioning system

#245

20090031967

2009-02-05

INTEGRAL WATERWALL EXTERNAL HEAT EXCHANGERS

#246

20090029642

2009-01-29

Damper assembly

#247

20080311839

2008-12-18

HEAT EXCHANGING VENTILATOR

#248

20080283217

2008-11-20

Stackable energy transfer core spacer

#249

20080257535

2008-10-23

Shower trap heat recovery apparatus

#250

20080250800

2008-10-16

Total room air purification system with air conditioning, filtration and ventilation

#251

20080244999

2008-10-09

Frame, in Particular for Window, Door or Facade Elements

#252

20080242218

2008-10-02

Ventilation system

#253

20080240692

2008-10-02

Heat recovery device

#254

20080230206

2008-09-25

Energy recovery and humidity control

#255

20080173433

2008-07-24

Energy recovery ventilator with condensate feedback

#256

20080156471

2008-07-03

Heat exchange element for ventilating apparatus

#257

20080156470

2008-07-03

VENTILATING APPARATUS, HEAT EXCHANGE APPARATUS, HEAT EXCHANGE ELEMENT THEREFOR

#258

20080156465

2008-07-03

Method For Cooling an Airflow

#259

20080156454

2008-07-03

Air conditioner

#260

20080060796

2008-03-13

Heat exchange device for hot water of shower and bath

#261

20080032620

2008-02-07

Ventilated window for indoor air quality improvement in buildings

#262

20080029046

2008-02-07

Hot water reclaimer

#263

20080017362

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Heat exchanger and ventilator having the same

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Helical coil-on-tube heat exchanger

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Heat exchange apparatus and ventilation system using the same

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Ventilator system and method

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Ventilator system and method

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Heat exchanger and use thereof in showers

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Cabinet combination section having a ventilation device

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System for and method of rotating wheels in rotary air-to-air energy recovery and desiccant dehumidification systems

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Spray or Shower Arrangement and Shower Insert

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Combined Fluid-Air Evaporator And Novel Switching Concept For A Heat Pump In A Ventilating Apparatus

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Waste water heat recovery system and method

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Heat exchange type ventilator

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Heat exchanger and installation for extracting heat from waste water

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VENTILATING APPARATUS AND CONTROLLING METHOD OF THE SAME

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Ventilation system

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Method and device for recovering energy

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