Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24F - Air-conditioning; Air-humidification; Ventilation; Use of air currents for screening › F24F 7 - Ventilation
Patents for F24F 7 - Ventilation (13,941)
01/1999
01/19/1999US5860293 Air cooling apparatus including fan and cooling pack
01/14/1999WO1999001627A1 Ventilated roofing panel support
01/12/1999CA2133359C Auditorium air circulation system
01/07/1999WO1999000630A1 A device for automatic ventilation of buildings
01/07/1999EP0888831A1 Apparatus and method to optimize a fume hood
01/07/1999DE19827449A1 Ventilation unit for air purifier used in clean room for semiconductor or liquid crystal manufacture
01/06/1999CN2302855Y Roof window for sound-insulation and smoke-removing
01/05/1999US5855510 System for exhausting smoke and controlling fires within a building
01/05/1999CA2108308C Fascia ventilator and drip edge
12/1998
12/30/1998EP0886746A1 Ventilation device and window for accommodating the same
12/30/1998EP0886706A1 Ridgeboard ventilation system
12/23/1998CN2301647Y Indoor ventilating and heating machine
12/17/1998WO1998057099A1 Method for operating a stove in a building, and a device for carrying out this method
12/16/1998EP0884116A2 Laboratory fume hood controller utilizing object detection
12/16/1998CN1201886A Laboratory fume hood controller utilizing object detection
12/16/1998CN1201704A Article with low temperature cured and high activity oxide photocatalyst film
12/10/1998WO1998055807A1 Methods and apparatus for elimination of house dust mite
12/10/1998WO1998055769A1 A fan system
12/10/1998WO1998019763A3 Regenerator heat exchanger having one or more adjustable performance characteristics
12/09/1998EP0881935A1 Kitchen exhaust system with catalytic converter
12/09/1998EP0637368B1 Controlling ventilation rates and indoor air quality
12/09/1998CN2300032Y Universal ventilating pipe and connecting interface thereof
12/09/1998CN1201514A Outlet unit for underfloor air conditionor and underfloor air conditioning system using same
12/09/1998CA2224425A1 Laboratory fume hood controller utilizing object detection
12/08/1998US5847514 Apparatus for generating negative ions with a lid and a casing
12/02/1998CN2299270Y Multifunctional bathroom air conditioner
12/01/1998US5843196 Ultra-clean transport carrier
11/1998
11/26/1998DE19721548A1 Air purifier with or without air-conditioning component
11/25/1998EP0879387A1 Extractor hood
11/25/1998EP0856115A4 Control valve
11/19/1998WO1998051879A1 Improved roof closure vent system
11/18/1998EP0878672A1 Ventilation system with supplementary air injection for improved draught
11/17/1998US5836815 Of radon into a building structure
11/17/1998US5836297 Cooking exhaust apparatus and method of installing the apparatus
11/12/1998WO1998050162A1 Method and device for cleaning of a gaseous fluid
11/12/1998DE19719367A1 Ventilation arrangement for building
11/11/1998EP0877209A2 Ventilation device for a building
11/11/1998EP0876906A2 Laminate comprising matting layer and roof construction containing the same
11/10/1998US5834713 Fresh air supplying system for elevator
11/10/1998US5832680 Underground construction
11/05/1998DE19718625A1 Heat transfer component used in ventilation and air conditioning systems with heat recovery
11/04/1998EP0875639A2 Roof vent
11/04/1998EP0874967A1 Ceiling fan with attachable heater housing having an additional fan therein
11/04/1998CN2296474Y Cover for preventing passive smoking
11/03/1998US5830059 Ventilating cap for the ridge of a roof
10/1998
10/29/1998WO1998048122A1 Method of installing a ventilation system and device therefor
10/28/1998EP0776446B1 Air moving system
10/28/1998CN2295949Y Honeycomb heat exchanging fan
10/28/1998CN2295948Y Spring tension air changing fan
10/27/1998US5828572 Processing System and semiconductor device production method using the same including air conditioning control in operational zones
10/27/1998US5826383 Roof closure vent system
10/27/1998CA2062907C Wall vent
10/21/1998CN2295151Y Energy-accumulated electric switched cooking-fume exhausting window
10/20/1998US5823200 Tobacco smoke abatement system
10/15/1998DE19715144A1 Ventilation arrangement for regulation of carbon di-oxide concentration
10/15/1998DE19714830A1 Convection heating system for large vehicle, especially bus
10/13/1998US5822227 Air-conditioning and ventilation simulator in subsurface space
10/13/1998US5820458 Ventilation device
10/06/1998US5816909 Dual purpose attic fan
10/06/1998US5815996 To close off an opening in a support structure
09/1998
09/30/1998EP0678185B1 Ventilating apparatus, especially for animal stables
09/30/1998CN2293020Y Ventilator with improved structure
09/29/1998US5814135 Portable personal corona discharge device for destruction of airborne microbes and chemical toxins
09/29/1998US5814116 Arrangement for generating a purified, low-turbulence air flow for supplying local clean rooms
09/24/1998DE19811390A1 Ventilation equipment for buildings
09/23/1998EP0866285A2 Ventilation system
09/23/1998CN2292241Y Blow-suction type fume exhauster
09/22/1998US5810244 Fan system
09/22/1998US5809730 Mounting system, especially grid-type ceiling system, for clean rooms
09/22/1998CA2141143C Atmospheric exhaust system
09/22/1998CA2127071C Blowing apparatus, suction panel therefor and straightening guide therefor
09/16/1998EP0864820A2 Method for adjusting an air circulation system
09/16/1998EP0864348A1 Gas purifier
09/16/1998CN1193380A Control valve
09/09/1998EP0643595B1 Portable air conditioner
09/09/1998CN1192544A Apparatus for cooling portable computer
09/08/1998US5803806 Apparatus and method for insulating roofridge ventilator systems
09/08/1998US5803805 Structure ventilating device
09/03/1998WO1998038372A1 Apparatus for conditioning of commodities for vacuum packing
09/03/1998CA2282550A1 Apparatus for conditioning of commodities for vacuum packing
09/02/1998EP0861410A1 Heat exchanger
09/02/1998EP0861361A1 Multi-chambered frame section for windows or doors
09/02/1998CN1039627C Apparatus for separating particles, in particular oil or fat particles
09/01/1998US5800261 Air vent device including a light device to preheat supply air
09/01/1998US5800258 Ventilation system for cabinets with electronic functional units which produce considerable heat
08/1998
08/27/1998DE19707598A1 Grid system with sealing frame press-down device for clean rooms
08/26/1998CN2289163Y Miniature toy air conditioner
08/26/1998CN2289160Y Heating and ventilating machine
08/26/1998CN2289082Y Negative pressure fire-fighting fume extractor
08/25/1998US5798455 Storehouse for use in storage of clean materials
08/19/1998EP0859202A2 Ventilation device, in particular for mounting in a clean room ceiling
08/19/1998CN1190719A Integral air conditioner
08/18/1998US5795220 Ceiling fan with an air diffuser system
08/18/1998US5795131 Fan air cleaner
08/18/1998CA2093534C Air handling structure for fan inlet and outlet
08/12/1998CN1190158A Multi-step pressure reducing apparatus and method
08/12/1998CN1190066A Ventilation system for vehicles
08/11/1998US5792226 Air current controlling device and clean room adopting the same
08/11/1998US5791985 Modular soffit vent
08/11/1998US5791983 Method of controlling the discharge of pollutant in a designated space
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