ClassID:

235033

Y02B30/56 - page 2 - CPC Classification

Classification description:

Energy efficient heating, ventilation or air conditioning [HVAC] Heat recovery units

Recent Application in this class:
#301
20060260791
2006-11-23

Ventilator

#302
20060260790
2006-11-23

Heat exchanger core

#303
20060260332
2006-11-23

Humidity controller apparatus

#304
20060254749
2006-11-16

VENTILATING SYSTEM

#305
20060252363
2006-11-09

Ventilation assembly configurable for top openings and/or side openings

#306
20060219381
2006-10-05

Ventilation system

#307
20060199516
2006-09-07

Ventilating apparatus

#308
20060199512
2006-09-07

Ventilating system

#309
20060199511
2006-09-07

Ventilating system

#310
20060199510
2006-09-07

Ventilating system

#311
20060199509
2006-09-07

Ventilating system

#312
20060191413
2006-08-31

Plate heat exchanger

#313
20060185817
2006-08-24

Method for heating and cooling a room and a building with a plurality of rooms

#314
20060185383
2006-08-24

Heat recycling system with nighttime cooling recovery

#315
20060180295
2006-08-17

Ventilating system

#316
20060174596
2006-08-10

Ventilation system

#317
20060151165
2006-07-13

Proportional control system for a motor

#318
20060151149
2006-07-13

Heat exchanger

#319
20060137854
2006-06-29

Heat exchanger

#320
20060124277
2006-06-15

Method of making heat exchangers

#321
20060118979
2006-06-08

Method and device for cooling circulating air

#322
20060113070
2006-06-01

Heat exchanger of ventilating system

#323
20060086120
2006-04-27

Dehumidifying system

#324
20060086058
2006-04-27

Dewpoint cooler designed as a frame or part thereof

#325
20060070728
2006-04-06

Heat exchanger of ventilating system

#326
20060060337
2006-03-23

Heat exchanger of ventilating system

#327
20060060326
2006-03-23

Installation for transferring thermal energy

#328
20060054309
2006-03-16

Heat exchanger of ventilating system

#329
20060054302
2006-03-16

Heat exchanging system of ventilating device

#330
20060052048
2006-03-09

Adaptable modular HVAC assembly

#331
20060042295
2006-03-02

Air conditioning system and methods

#332
20060035579
2006-02-16

Ventilating system

#333
20060032624
2006-02-16

Air conditioning system

#334
20060021742
2006-02-02

Ventilating system

#335
20060011331
2006-01-19

Heat exchanger of ventilating system

#336
20050287946
2005-12-29

Ventilating system

#337
20050287945
2005-12-29

Ventilating system

#338
20050287944
2005-12-29

Ventilating system

#339
20050284114
2005-12-29

Air cleaning system

#340
20050269057
2005-12-08

Ventilator

#341
20050268903
2005-12-08

Variable volumetric flow heat exchanger for an air-to-air heat recovery system

#342
20050263266
2005-12-01

Ventilator

#343
20050257550
2005-11-24

Ventilating system

#344
20050252647
2005-11-17

Ventilator

#345
20050236151
2005-10-27

Ventilating system, heat exchanger and methods

#346
20050236150
2005-10-27

Heat and energy recovery ventilators and methods of use

#347
20050236136
2005-10-27

Heat recuperator with frost protection

#348
20050235679
2005-10-27

Air conditioner

#349
20050235678
2005-10-27

Air conditioner

#350
20050235677
2005-10-27

Air conditioner

#351
20050224591
2005-10-13

Damper control in space heating and cooling

#352
20050189094
2005-09-01

Helical coil-on-tube heat exchanger

#353
20050173102
2005-08-11

Heat exchanger for wasted heat with its cleaning apparatus

#354
20050167077
2005-08-04

Heat exchanger unit

#355
20050133204
2005-06-23

Energy recovery ventilator

#356
20050103483
2005-05-19

Ventilation device and method for its operation

#357
20050103464
2005-05-19

Heat recovery ventilator

#358
20050056042
2005-03-17

Hydronic rooftop cooling systems

#359
20050051321
2005-03-10

Method for controlling flow rate of ventilating air in air conditioner

#360
20050028545
2005-02-10

Building exhaust and air conditioner condensate (and/or other water source) evaporative refrigerant subcool/precool system and method therefor

#361
20050006058
2005-01-13

Blower wheel assembly

#362
20050000681
2005-01-06

Air handling systems or devices intermingling fresh and stale air

#363
20050000067
2005-01-06

Hooking system

#364
16881308
2022-05-17

Dual-wheel HVAC system and method having improved dew point control