ClassID:

235028

Y02B30/52 - CPC Classification

Classification description:

Energy efficient heating, ventilation or air conditioning [HVAC] Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

Recent Application in this class:
#1
20250116426
2025-04-10

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

#2
20240237875
2024-07-18

DISHWASHER WITH HEAT RECOVERY APPARATUS

#3
20240027094
2024-01-25

USING LIQUID TO AIR MEMBRANE ENERGY EXCHANGER FOR LIQUID COOLING

#4
20220364773
2022-11-17

Advanced metal hydride heat transfer system utilizing an electrochemical hydrogen compressor

#5
20220364760
2022-11-17

Makeup air parallel flow energy recovery system atop air conditioner

#6
20220018480
2022-01-20

Controller, method of operating a water source heat pump and a water source heat pump

#7
20210396422
2021-12-23

Using liquid to air membrane energy exchanger for liquid cooling

#8
20210332993
2021-10-28

Energy exchange system for conditioning air in an enclosed structure

#9
20210271299
2021-09-02

Heating system using heat extracted from a computer processing unit

#10
20210108829
2021-04-15

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

#11
20200309384
2020-10-01

Method and apparatus for reduction of water re-evaporation in a dedicated dehumidifier/water heater

#12
20200263881
2020-08-20

Heat pump system and method for controlling a heat pump system

#13
20200217518
2020-07-09

Energy storage systems

#14
20200163531
2020-05-28

Dish washer

#15
20200163530
2020-05-28

Dishwasher with heat pump

#16
20200163526
2020-05-28

Dish washer

#17
20200088448
2020-03-19

EXHAUST GAS HEAT RECOVERY SYSTEM

#18
20200088336
2020-03-19

Controller, method of operating a water source heat pump and a water source heat pump

#19
20200080754
2020-03-12

Regeneration system for a metal hydride heat pump of a damper type

#20
20190352193
2019-11-21

Device for the Purification of Water Using a Heat Pump

#21
20190338958
2019-11-07

Exhaust hood

#22
20190338175
2019-11-07

Use of (2E)-1,1,1,4,5,5,5-heptafluoro-4-(trifluoromethyl) pent-2-ene in high temperature heat pumps

#23
20190331372
2019-10-31

Multi-staged water manifold system for a water source heat pump

#24
20190254472
2019-08-22

Control for the process of drying wet material

#25
20190208714
2019-07-11

System for climate control in closed or semi closed spaces

#26
20190203928
2019-07-04

Advanced flash exhaust heat recovery

#27
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

#28
20190119127
2019-04-25

Solvent decontamination system and method

#29
20190107327
2019-04-11

System and process for drying loose bulk material

#30
20190071959
2019-03-07

Producing pressurized and heated fluids using a fuel cell

#31
20190056152
2019-02-21

Heat pump

#32
20190049179
2019-02-14

Mechanical vapor recompression apparatus

#33
20190024947
2019-01-24

Building designs and heating and cooling systems

#34
20190003752
2019-01-03

Chemical heat pump with multi-channel membrane reactor

#35
20190001559
2019-01-03

Cooling of print device and heating of print material

#36
20180361269
2018-12-20

ENERGY EFFICIENT DISTILLING HEAT PUMP AND VARIANTS THEREOF

#37
20180335219
2018-11-22

Heat pump system and method for controlling a heat pump system

#38
20180328598
2018-11-15

Heat pump system and method for controlling a heat pump system

#39
20180320494
2018-11-08

Method of producing heavy oil using a fuel cell

#40
20180252434
2018-09-06

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

#41
20180230859
2018-08-16

Heat exchange system with a joint active fluid motion device for the charging mode and for the discharging mode and method for exchanging heat by using the heat exchange system

#42
20180207574
2018-07-26

Systems and methods for regenerating adsorbents for indoor air scrubbing

#43
20180195741
2018-07-12

Energy storage systems

#44
20180179480
2018-06-28

Plant for dealcoholising alcoholic beverages

#45
20180172349
2018-06-21

Dryer exhaust heat recovery

#46
20180164004
2018-06-14

Method for operating a vapour compression system with heat recovery

#47
20180149353
2018-05-31

Turbine system and method

#48
20180135880
2018-05-17

Using liquid to air membrane energy exchanger for liquid cooling

#49
20180128510
2018-05-10

Systems and methods for managing conditions in enclosed space

#50
20180120035
2018-05-03

High efficiency ventilation system

#51
20180119548
2018-05-03

Tapering spiral gas turbine with polygon electric generator for combined cooling, heating, power, pressure, work, and water

#52
20180080697
2018-03-22

Heat pump

#53
20180080660
2018-03-22

Method and apparatus for reduction of water re-evaporation in a dedicated dehumidifier/water heater

#54
20180045436
2018-02-15

Systems and methods for flow-synchronous field motion heat transfer

#55
20180045080
2018-02-15

Intake air cooling method, intake air cooling device executing said method, and waste heat recovery facility and gas turbine plant each comprising said intake air cooling device

#56
20180037968
2018-02-08

Stainless steel having excellent brazeability

#57
20180031227
2018-02-01

Advanced flash exhaust heat recovery

#58
20180028042
2018-02-01

Household dishwasher for washing dishes in one or more partial wash cycles, and associated method

#59
20170363307
2017-12-21

Cooled fan for micro-climate control

#60
20170275514
2017-09-28

Use of (2E)-1,1,1,4,5,5,5-heptafluoro-4-(trifluoromethyl)pent-2-ene in high temperature heat pumps

#61
20170268173
2017-09-21

Industrial plant, paper mill, control device, apparatus and method for drying drying-stock

#62
20170227288
2017-08-10

Method and facility for thermally drying pasty products

#63
20170203228
2017-07-20

Vacuum distillation apparatus

#64
20170143181
2017-05-25

Method of operating a dishwasher and a dishwasher

#65
20170138639
2017-05-18

Building designs and heating and cooling systems

#66
20170108231
2017-04-20

Air-conditioning and ventilation apparatus

#67
20170089617
2017-03-30

Gas heat-pump system

#68
20170042402
2017-02-16

Cleaning device having an energy store

#69
20170036140
2017-02-09

Assembly and method for treating raw water

#70
20170028447
2017-02-02

Washing and drying machine

#71
20170016645
2017-01-19

Method and systems for energy-saving heating and humidifying of buildings using outside air

#72
20170000310
2017-01-05

Conveyor ware washer, in particular industrial conveyor ware washer

#73
20160370122
2016-12-22

Electric power peak-shaving and combined heat and power waste heat recovery device and operation method thereof

#74
20160348023
2016-12-01

Lignite drying with closed loop heat pump

#75
20160347981
2016-12-01

Composition for heat cycle system, and heat cycle system

#76
20160320093
2016-11-03

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

#77
20160301344
2016-10-13

Cogeneration system configured to be installed into an existing boiler plant/emergency generator installation and process for cogeneration

#78
20160290666
2016-10-06

Energy exchange system for conditioning air in an enclosed structure

#79
20160245552
2016-08-25

Building designs and heating and cooling systems

#80
20160244651
2016-08-25

Compositions comprising difluoromethane, pentafluoroethane, tetrafluoropropene, and tetrafluoroethane and uses thereof

#81
20160201937
2016-07-14

Air conditioner apparatus with partitioned suction and discharge channels

#82
20160184738
2016-06-30

Atomizing separation method and atomizing separation device

#83
20160138829
2016-05-19

System for controlling exhaust heat recovery temperature using mixing valve and method therefor

#84
20160137895
2016-05-19

Use of alkyl perfluoroalkene ethers and mixtures thereof in high temperature heat pumps

#85
20160131427
2016-05-12

Processing system intended to dehydrate food waste

#86
20160061508
2016-03-03

Apparatus and method for hybrid water heating and air cooling and control thereof

#87
20160061502
2016-03-03

Apparatus and method for hybrid water heating and air cooling and control thereof

#88
20160040893
2016-02-11

Thermal gradient fluid header for multiple heating and cooling systems

#89
20160003506
2016-01-07

Systems and methods for recovering energy from wastewater

#90
20150345803
2015-12-03

Heat energy transport system, heat interchange system, and heat energy transport method

#91
20150316319
2015-11-05

Drying of organic materials

#92
20150316295
2015-11-05

Energy chassis and energy exchange device

#93
20150308699
2015-10-29

Household appliance and method of operating a household appliance

#94
20150292786
2015-10-15

Method and apparatus for the defrosting of an evaporator in connection with an air handling unit

#95
20150273974
2015-10-01

Adsorption air-conditioning system

#96
20150211791
2015-07-30

Vacuum assisted dryer systems and methods

#97
20150202547
2015-07-23

Distillation column

#98
20150198338
2015-07-16

Energy exchange system and method

#99
20150191639
2015-07-09

USE OF E-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE IN HEAT PUMPS

#100
20150188388
2015-07-02

Facility for transforming heat energy

#101
20150140913
2015-05-21

Modular services supply arrangement

#102
20150135755
2015-05-21

High efficiency ventilation system

#103
20150114033
2015-04-30

Purification of carbon dioxide

#104
20150114019
2015-04-30

Heat pump system using latent heat

#105
20150113987
2015-04-30

Integrated renewable energy and asset system

#106
20150096714
2015-04-09

Systems and methods for air conditioning a building using an energy recovery wheel

#107
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

#108
20150060139
2015-03-05

Two-port percussion mole

#109
20150047963
2015-02-19

Modular humidification-dehumidification apparatus for concentrating solutions

#110
20150047579
2015-02-19

Heat recovery

#111
20140318170
2014-10-30

Heat pump cycle

#112
20140310979
2014-10-23

Method for drying wet particulate matter, wherein the dried particulate matter is a white mineral having a brightness Ry of at least 65% that forms particulate matter through drying in direct superheated steam dryer

#113
20140299309
2014-10-09

Aircraft cooling system

#114
20140299290
2014-10-09

Aircraft air-conditioning system

#115
20140298824
2014-10-09

Aircraft cooling system and method for operating an aircraft cooling system

#116
20140291411
2014-10-02

Heat pump heating and hot-water system

#117
20140263682
2014-09-18

Retrofit hot water system and method

#118
20140260392
2014-09-18

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

#119
20140260381
2014-09-18

User control interface for heat transfer system

#120
20140238450
2014-08-28

Automatic dishwasher

#121
20140238442
2014-08-28

Automatic dishwasher

#122
20140238021
2014-08-28

Generator

#123
20140230480
2014-08-21

Humidity control apparatus

#124
20140190195
2014-07-10

Solar energy air conditioning system with storage capability

#125
20140151276
2014-06-05

Wastewater effluent to geothermal heating

#126
20140130530
2014-05-15

In-vehicle absorption heat pump device

#127
20140116072
2014-05-01

Heat pump apparatus

#128
20140076438
2014-03-20

Combined changeover and control valve

#129
20140053577
2014-02-27

Adsorption heat pump system and method of generating cooling power

#130
20140020559
2014-01-23

Systems and methods for regenerating adsorbents for indoor air scrubbing

#131
20140013785
2014-01-16

Cogeneration system

#132
20140013783
2014-01-16

Apparatus and method for vapor driven absorption heat pumps and absorption heat transformer with applications

#133
20140000308
2014-01-02

Refrigerant circuit

#134
20140000257
2014-01-02

Dual hybrid fluid heating apparatus and methods of assembly and operation

#135
20130306301
2013-11-21

Heat pump apparatus and control method for heat pump apparatus

#136
20130299126
2013-11-14

Thermal energy network system

#137
20130279116
2013-10-24

Apparatus and method for cooling and recovering heat from cables and transformers

#138
20130269522
2013-10-17

Heat pump enabled desiccant dehumidification system

#139
20130247558
2013-09-26

HEAT PUMP WITH TURBINE-DRIVEN ENERGY RECOVERY SYSTEM

#140
20130227986
2013-09-05

Distillation column heat pump with compressor inlet superheater

#141
20130219894
2013-08-29

Heating system—modular

#142
20130192298
2013-08-01

DISTILLATION COLUMN HEAT PUMP WITH COMPRESSOR INLET SUPERHEATER

#143
20130180125
2013-07-18

Vacuum heat pump clothes drying method and dryer

#144
20130126625
2013-05-23

Fuel Cell Heat Pump

#145
20130125412
2013-05-23

Sludge drying method and installation

#146
20130076033
2013-03-28

Synergistic energy ecosystem

#147
20130074534
2013-03-28

Multi-staged water manifold system for a water source heat pump

#148
20130062040
2013-03-14

System for Extracting Heat from Outside Air

#149
20130056676
2013-03-07

System and process for polarity swing assisted regeneration of gas selective capture liquids

#150
20130056177
2013-03-07

Energy exchange system for conditioning air in an enclosed structure

#151
20130055756
2013-03-07

Carbon dioxide gas recovery device

#152
20130037236
2013-02-14

GEOTHERMAL FACILITY WITH THERMAL RECHARGING OF THE SUBSOIL

#153
20130025309
2013-01-31

ENERGY-SAVING HOT WATER-HEATING DEVICE AND SYSTEM APPLICABLE TO THE SAME

#154
20130025153
2013-01-31

METHOD AND SYSTEM FOR DRYING BIOMASS

#155
20130014530
2013-01-17

HEAT RECOVERY SYSTEM

#156
20130000882
2013-01-03

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

#157
20130000286
2013-01-03

Engine exhaust gas heat exchanger and energy supplying device using the same

#158
20120330058
2012-12-27

Process for manufacturing acrolein and/or acrylic acid from glycerol

#159
20120325428
2012-12-27

ARRANGEMENT FOR TRANSFERRING AND UTILIZING HEAT ENERGY

#160
20120315562
2012-12-13

Complex power generation system and method for supplying heated water thereof

#161
20120312042
2012-12-13

HEAT PUMP BOILER AND CONTROL METHOD FOR THE SAME

#162
20120312020
2012-12-13

Regeneration of Capture Medium

#163
20120302797
2012-11-29

Process for manufacturing acrolein and/or acrylic acid from glycerol

#164
20120297806
2012-11-29

Heat pump system

#165
20120297667
2012-11-29

NUCLEAR POWERED FACILITY THAT GENERATES CONSUMABLE FUELS

#166
20120267230
2012-10-25

Solar thermal device for producing fresh water

#167
20120261102
2012-10-18

Thermosyphon heat recovery

#168
20120255706
2012-10-11

Heat Exchange Using Underground Water System

#169
20120255320
2012-10-11

Air-conditioning hot-water supply combined system

#170
20120246960
2012-10-04

Clothes treating apparatus having heat exchanger cleaning device

#171
20120227926
2012-09-13

ENERGY STORAGE SYSTEMS

#172
20120222427
2012-09-06

Flow-synchronous field motion refrigeration

#173
20120216558
2012-08-30

Packaged HVAC System For Indoor Installation

#174
20120205236
2012-08-16

High-efficiency thermal-energy-driven water purification system

#175
20120186796
2012-07-26

HEAT EXCHANGER DEVICE AND USE THEREOF

#176
20120186278
2012-07-26

Hot water storage type hot water supply system and operation method of the same

#177
20120180982
2012-07-19

Heat pump system having a pre-processing module

#178
20120180505
2012-07-19

Heat pump system having a pre-processing module

#179
20120159980
2012-06-28

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

#180
20120137716
2012-06-07

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

#181
20120125321
2012-05-24

Solar hot water and recovery system

#182
20120117816
2012-05-17

Water-containing solid fuel drying apparatus and drying method

#183
20120097029
2012-04-26

Water recovery using thermally linked sorbent beds

#184
20120096732
2012-04-26

Open-loop heat-recovery dryer

#185
20120079825
2012-04-05

Generator

#186
20120067047
2012-03-22

System and method for storing energy and purifying fluid

#187
20120055527
2012-03-08

STRUCTURAL ELEMENT FOR THERMALLY SHIELDING ENGINES OR ENGINE COMPONENTS, IN PARTICULAR A HEAT SHIELD FOR COMBUSTION ENGINES

#188
20120047930
2012-03-01

Dedicated dehumidifier and water heater

#189
20120047888
2012-03-01

Dual hybrid fluid heating apparatus and methods of assembly and operation

#190
20120039430
2012-02-16

NUCLEAR POWERED FACILITY THAT GENERATES CONSUMABLE FUELS

#191
20120031133
2012-02-09

Air conditioner having a desiccant rotor with moisture adsorbing area

#192
20120031079
2012-02-09

Hybrid powertrain system including an internal combustion engine and a stirling engine

#193
20120030960
2012-02-09

Clothes dryer

#194
20120023990
2012-02-02

Hybrid electric water heater with external discharge ducting

#195
20120023988
2012-02-02

DESICCANT AIR-CONDITIONING SYSTEM

#196
20120000244
2012-01-05

HEAT PUMP DISTILLATION FOR <50% LIGHT COMPONENT IN FEED

#197
20110290282
2011-12-01

DISH WASHER AND METHOD OF CONTROLLING THE SAME

#198
20110289950
2011-12-01

Hot water supply apparatus associated with heat pump

#199
20110289794
2011-12-01

Control method of dryer

#200
20110284088
2011-11-24

Method and system for providing effluent from at least one wastewater treatment plant

#201
20110277745
2011-11-17

Heating apparatus using solar energy and method of heating using solar energy

#202
20110277473
2011-11-17

Thermal Energy Transfer System

#203
20110272267
2011-11-10

Heat pump distillation

#204
20110272117
2011-11-10

Energy chassis and energy exchange device

#205
20110271700
2011-11-10

Drainless air conditioner

#206
20110266131
2011-11-03

Heat pump distillation

#207
20110265974
2011-11-03

METHODS AND EQUIPMENT FOR HEATING AND COOLING BUILDING ZONES

#208
20110265972
2011-11-03

METHODS AND EQUIPMENT FOR GEOTHERMALLY EXCHANGING ENERGY

#209
20110265502
2011-11-03

HIGH-EFFICIENCY HEAT PUMPS

#210
20110265499
2011-11-03

CONTROLS FOR HIGH-EFFICIENCY HEAT PUMPS

#211
20110259027
2011-10-27

Heat pump type hot water supply apparatus

#212
20110259025
2011-10-27

HEAT PUMP TYPE SPEED HEATING APPARATUS

#213
20110253927
2011-10-20

Compositions comprising E-1,2-difluoroethylene and uses thereof

#214
20110252801
2011-10-20

Compositions comprising Z-1,2-difluoroethylene and uses thereof

#215
20110247353
2011-10-13

DEVICE FOR PRODUCING WATER FROM AMBIENT AIR

#216
20110240254
2011-10-06

VEHICLE HEATING AND/OR AIR CONDITIONING METHOD

#217
20110219639
2011-09-15

METHOD FOR ESTIMATING THE HEALTH RISK OF A TEST SUBJECT

#218
20110203303
2011-08-25

HEATING SYSTEM WITH OPTIMIZED RECOVERY OF WASTE WATER HEAT

#219
20110154823
2011-06-30

Energy regeneration system

#220
20110132741
2011-06-09

Thermal-separation process with absorption heat pump

#221
20110132740
2011-06-09

Method for evaporation and possible distillation of fluids using a heat pump

#222
20110120179
2011-05-26

HEAT PUMP TYPE COOLING/HEATING APPARATUS

#223
20110099919
2011-05-05

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

#224
20110082601
2011-04-07

Heating apparatus

#225
20110079024
2011-04-07

Combined heat exchange unit

#226
20110056453
2011-03-10

Engine housing enclosure

#227
20110047813
2011-03-03

Domestic appliance for drying a humid product, comprising a cooling assembly and a heating assembly

#228
20110041564
2011-02-24

Heat pump (server) coupled washer and dryer pair

#229
20110041534
2011-02-24

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

#230
20110041355
2011-02-24

DOMESTIC APPLIANCE FOR DRYING A HUMID PRODUCT, COMPRISING A COOLING ASSEMBLY AND A HEATING ASSEMBLY

#231
20110036116
2011-02-17

Structural improvement for electric energy saving equipment

#232
20110035953
2011-02-17

DOMESTIC APPLIANCE FOR DRYING A HUMID PRODUCT, COMPRISING A COOLING ASSEMBLY AND A HEATING ASSEMBLY

#233
20110030674
2011-02-10

ENERGY GENERATING ROOF SYSTEM

#234
20110005253
2011-01-13

Absorption heat pump with a thermally insulating dividing wall

#235
20100326638
2010-12-30

Waste heat recycling and gain system

#236
20100326622
2010-12-30

METHODS AND EQUIPMENT FOR GEOTHERMALLY EXCHANGING ENERGY

#237
20100326099
2010-12-30

HIGH-EFFICIENCY HEAT PUMPS

#238
20100307175
2010-12-09

Energy recovery enhanced condenser reactivated desiccant refrigerant dehumidifier

#239
20100300123
2010-12-02

HYBRID DESICCANT DEHUMIDIFYING APPARATUS AND CONTROL METHOD THEREOF

#240
20100282434
2010-11-11

AIR CONDITIONING AND HOT WATER SUPPLY COMPLEX SYSTEM

#241
20100281899
2010-11-11

Gas-fired heat pump water heater

#242
20100280207
2010-11-04

Method for optimizing energy efficiency in a polymerization process

#243
20100275629
2010-11-04

Liquid desiccant chiller

#244
20100269878
2010-10-28

INTERNAL COMBUSTION ENGINE WITH THERMOELECTRIC GENERATOR

#245
20100251758
2010-10-07

Humidity control apparatus

#246
20100248612
2010-09-30

DEVICE FOR VENTILATING AND AIR-CONDITIONING BATHROOM

#247
20100242297
2010-09-30

HOUSEHOLD APPLIANCE HAVING A HEAT PUMP UNIT AND MEANS FOR COOLING A COMPONENT THEREOF

#248
20100236750
2010-09-23

HEAT EXCHANGE SYSTEM

#249
20100229583
2010-09-16

Refrigeration cycle apparatus

#250
20100205946
2010-08-19

Engine exhaust heat recovery device, and energy supply apparatus using the same

#251
20100170655
2010-07-08

Air Supply Unit

#252
20100114384
2010-05-06

CONTROLS FOR HIGH-EFFICIENCY HEAT PUMPS

#253
20100108487
2010-05-06

Dividing wall column with a heat pump

#254
20100108290
2010-05-06

METHODS AND EQUIPMENT FOR HEATING AND COOLING BUILDING ZONES

#255
20100101930
2010-04-29

Heat pump for high purity bottom product

#256
20100088920
2010-04-15

Harvest drying method and apparatus

#257
20100084483
2010-04-08

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

#258
20100077779
2010-04-01

AIR-SOURCE HEAT PUMP

#259
20100072292
2010-03-25

Indoor Space Heating Apparatus

#260
20100064710
2010-03-18

SELF CONTAINED WATER-TO-WATER HEAT PUMP

#261
20100064697
2010-03-18

Heat pump comprising a cooling mode

#262
20100050703
2010-03-04

Washer dryer

#263
20100050675
2010-03-04

Heat pump system

#264
20100032386
2010-02-11

Water purification with a peltier heat pump

#265
20100024106
2010-02-04

Bathroom air-conditioner

#266
20100012293
2010-01-21

Heat Pump Liquid Heater

#267
20100012290
2010-01-21

Thermal gradient fluid header for multiple heating and cooling systems

#268
20090320503
2009-12-31

Cogeneration system

#269
20090308100
2009-12-17

Rectification apparatus using a heat pump

#270
20090264060
2009-10-22

Recirculating exhaust system

#271
20090255997
2009-10-15

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

#272
20090250085
2009-10-08

Heat recovery device with self-cleaning

#273
20090229286
2009-09-17

Water-cooled air conditioning system using condenser water regeneration for precise air reheat in dehumidifying mode

#274
20090205335
2009-08-20

DOMESTIC ENERGY SUPPLY SYSTEM

#275
20090205266
2009-08-20

Modularized Self-sustaining Building System

#276
20090183697
2009-07-23

EXHAUST HEAT RECOVERY SYSTEM

#277
20090173486
2009-07-09

GAS ENGINE DRIVEN HEAT PUMP SYSTEM WITH INTEGRATED HEAT RECOVERY AND ENERGY SAVING SUBSYSTEMS

#278
20090166175
2009-07-02

Solvent extraction and recovery

#279
20090159718
2009-06-25

Building designs and heating and cooling systems

#280
20090151368
2009-06-18

METHOD AND APPARATUS FOR EXTRACTING WATER FROM ATMOSPHERIC AIR AND UTILIZING THE SAME

#281
20090120465
2009-05-14

Dishwasher with a latent heat accumulator

#282
20090114524
2009-05-07

Heat pump distillation

#283
20090101174
2009-04-23

DISHWASHER HAVING IMPROVED HEAT RECOVERY

#284
20090032228
2009-02-05

Recuperative climate conditioning system

#285
20090026281
2009-01-29

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

#286
20080314337
2008-12-25

WATER HEATER CONTROL

#287
20080245087
2008-10-09

System for controlled fluid heating using air conditioning waste heat

#288
20080223050
2008-09-18

Dehumidification systems and methods for extracting moisture from water damaged structures

#289
20080216341
2008-09-11

Dry air-supplying apparatus and dryer

#290
20080152976
2008-06-26

Fuel cell system

#291
20080110601
2008-05-15

Boiler Condensation Module

#292
20080087034
2008-04-17

THERMAL ENERGY RECOVERY SYSTEM FOR AN ICE MAKING PLANT OF AN ICE RINK

#293
20080083220
2008-04-10

Space heating and cooling system having a co-generator drive a geothermal, connected heat pump

#294
20080042306
2008-02-21

Heat exchange laminate

#295
20080034777
2008-02-14

Gas engine driven heat pump system with integrated heat recovery and energy saving subsystems

#296
20080023961
2008-01-31

Co-generation and control method of the same

#297
20080017498
2008-01-24

Seawater Desalination Plant

#298
20080000247
2008-01-03

Heat pump liquid heater

#299
20070271900
2007-11-29

High humidity gas turbine equipment

#300
20070186560
2007-08-16

Hybrid heat pump / refrigerator with magnetic cooling stage