Patents for F24F 7 - Ventilation (13,941)
12/2002
12/12/2002US20020187745 Tile roof ridge vent
12/12/2002US20020187744 Ventilating device for ventilating through a ridge
12/11/2002CN1384909A Suction and exhaust device
12/10/2002US6491581 Roof ventilator and filter
12/10/2002US6491579 Roof ventilation system and method
12/10/2002CA2106187C Flow regulator adaptable for use with exhaust from a process chamber
12/05/2002WO2002097207A1 Building hollow waterproof air-permeable plate, and building ventilating device using this air-permeable plate
12/05/2002US20020183000 Fan unit
12/05/2002US20020179599 Electrical box for ceiling fans
12/05/2002DE10122907A1 Ventilation system for rooms in multi-storey buildings has fan drawing in outside air and mixing it with recirculating air through heat exchanger depending on fan pressure
12/05/2002DE10122488A1 Ventilation system for rooms in buildings has fan drawing in outside air and mixing it with recirculating air through heat exchanger with control by flap valve
12/04/2002EP1005582B1 Apparatus for conditioning of commodities for vacuum packing
12/03/2002US6488579 Ventilating exhaust fan
12/03/2002US6487870 Transition support for evaporative cooler
12/03/2002US6487826 Material for building ventilation system
11/2002
11/28/2002WO2002095298A1 Air evacuating ventilator
11/28/2002US20020174608 Clean room facility and construction method
11/27/2002EP1259766A1 Electronically regulated self-controlled ventilation unit
11/27/2002EP1259686A1 Ventilation system
11/27/2002EP1259685A1 Roof vents
11/27/2002CN2522652Y Forced discharge fan
11/26/2002US6484524 System of and a method of cooling an interior of a room provided with a wall air conditioning unit
11/21/2002WO2002093079A1 Kitchen utensils and apparatus for lifting and lowering the same
11/21/2002WO2002070961A3 Weatherproof sound attenuating device
11/20/2002EP1257342A1 Filter cartridge and combination of blower wheel and filter cartridge
11/20/2002EP1173359A4 Low speed cooling fan
11/20/2002CN2521502Y Central exhausting device for environment protection kitchen
11/20/2002CN1380924A Modular dustless chamber filtering system
11/19/2002US6482084 End-ventilating adjustable pitch arcuate roof ventilator
11/19/2002CA2280118C Wall-mounted microwave oven and method for controlling hood motor therefor
11/19/2002CA2231997C A device for ventilating vehicle chairs
11/19/2002CA2214614C Heat exchanger and method of manufacturing a heat exchanging member of a heat exchanger
11/13/2002EP1256766A2 Ventilation system for rooms in a building
11/12/2002US6478838 Airflow system
11/07/2002US20020163954 Temperature sensor device for use in a clean room
11/06/2002EP1254342A1 A wall-mounted supply-air device
11/04/2002EP1210554A4 Ceiling fan having one or more fan heaters
10/2002
10/31/2002US20020160707 Conservatory roof ventilation
10/31/2002US20020159207 Laser ventilation system
10/30/2002CN1376874A Cooker hood
10/29/2002US6471753 Device for collecting dust using highly charged hyperfine liquid droplets
10/29/2002US6471194 Mist fan
10/24/2002US20020155807 Device for controlling an air-moving apparatus upon activation of a smoke detector
10/24/2002US20020155806 Adjustable damper for airflow systems
10/24/2002US20020152969 Pet enclosure
10/24/2002US20020152894 Air filtration device
10/23/2002EP1250556A1 Exhaust hood with air curtain
10/23/2002CN2518015Y Jet conduction ventilator
10/23/2002CN1375664A Multifunctional air oxygenating system
10/23/2002CN1375660A 室内空气质量控制 Indoor air quality control
10/22/2002US6468054 Crawl space ventilator fan
10/17/2002WO2002081977A1 Ventilator and method of manufacturing the ventilator
10/17/2002WO2002081976A1 Method of manufacturing ventilator
10/16/2002EP1249669A2 Ventilating system, heat exchanger, method of ventilating an enclosed space and method of making a plastic heat exchanger
10/16/2002EP1249668A2 Roof ventilator
10/16/2002CN2516865Y 空气净化器 Air Purifier
10/10/2002DE10127796C1 Ventilator or flue has conical connector below roof which connects pipe above it with that below it, base of connector forming annular trough in which condensate collects and is run off through outlet
10/09/2002EP1248050A2 Extraction system, particularly for extracting noxious gases from spaces located partially below ground level
10/09/2002EP0879387B1 Extractor hood
10/09/2002CN2515586Y Balanced flue for gas water heater and gas wall-hanging stove
10/09/2002CN2515585Y Overhead waste heat collecting heating hot air transporter
10/09/2002CN2515584Y Ventilator
10/09/2002CN1373824A Clean room and method
10/09/2002CN1373281A Window
10/09/2002CN1092319C Negative-pressure sucking shared ventilation system
10/08/2002US6461236 Roof vents
10/03/2002WO2002077536A1 Ventilation, dehumidification and heat recovery apparatus
10/03/2002WO2002062401A3 Apparatus and method for deodorizing and/or freshening air
10/03/2002US20020141131 Method and apparatus for enhanced operation of air lonizer
10/02/2002EP1245289A2 Method and apparatus for enhanced operation of air ionizer
10/02/2002EP1244414A2 Enclosure consisting of a type of bathtub on which a chamber is mounted
10/01/2002US6458028 Diffuser and ceiling fan combination
10/01/2002US6457550 Weatherproof sound attenuating device
09/2002
09/26/2002WO2002075222A1 Ceiling fan room conditioner with ceiling fan and heater
09/26/2002WO2002075221A1 Air-cleaning device and method for arranging air cleaning in sensitive environments
09/26/2002WO2002004871A3 A ventilating device
09/26/2002US20020134060 Air management system and method for chemical containment and contamination reduction in a semiconductor manufacturing facility
09/26/2002US20020134038 Covering system for buildings
09/25/2002EP1243176A2 Roof ridge ventilating system for the ventilation of animal houses
09/25/2002CN1371155A Geared motor
09/25/2002CN1091506C Improved unit which can be assembled to smoke-removing and ventilating apparatus in various places
09/24/2002US6454834 Filter sheet that includes activated carbon fibers
09/24/2002US6454247 Anti-backdraft shutter assembly for an axial flow fan
09/19/2002WO2002073097A1 Conservatory roof ventilation
09/19/2002WO2002073096A1 Mobile multifunctional ventilation device
09/19/2002US20020129614 Method for heat and humidity exchange between two air streams and apparatus therefor
09/18/2002EP1240396A1 A ventilating device for ventilating through a ridge
09/18/2002CN1369648A Rotor ventilator
09/17/2002US6450414 Heat transfer system
09/17/2002CA2174813C Oscillating window fan
09/17/2002CA2154150C Multiple blade window fan
09/12/2002WO2002070961A2 Weatherproof sound attenuating device
09/12/2002US20020125068 Weatherproof sound attenuating device
09/12/2002US20020124726 Method and apparatus for controlling air quality
09/12/2002US20020124493 Roof vent cover
09/11/2002CN2510770Y Environment-protection exhausting fan
09/11/2002CN2510769Y Exhausting fan
09/10/2002US6447587 Air filtration device
09/10/2002US6447392 One sided roof vent
09/10/2002US6447390 Method and apparatus for roof ventilation