Patents for F24F 7 - Ventilation (13,941)
04/1996
04/03/1996CN2223821Y Air ventilation fan
04/03/1996CN2223820Y Indoor air filtering device
03/1996
03/27/1996EP0702772A1 Device and process for cooling large spaces
03/27/1996EP0575578B1 Ventilation device
03/21/1996WO1996008678A1 Rotatably supported regenerative fluid treatment wheel assemblies
03/21/1996DE4432707A1 Kitchen, etc. with steam and vapour generating section
03/20/1996EP0662181B1 Flat roof duct
03/20/1996CN1119040A Environmental control system
03/20/1996CN1118861A Roof ventilating fan
03/19/1996US5500028 Removable filter device for article storing arrangement
03/19/1996US5499946 Device for exhausting gas or the like
03/14/1996CA2144377A1 Soffit vent
03/13/1996EP0701063A1 Cross flow fan
03/13/1996CN2222319Y Cigarette smog automatic purifier
03/13/1996CN1118428A Fan closure means
03/12/1996US5498205 Roof ventilator
03/12/1996US5498204 Eave vent
03/12/1996US5497632 Heating system having increased air circulation
03/12/1996CA2099974C Self-regulating air ventilation apparatus
03/07/1996DE19517896A1 Device for dissipating heat from room
03/06/1996CN2221741Y Cement pole for living wire capable of making cable tunnel ventilate
03/05/1996US5496214 Apparatus for removing smoke
02/1996
02/29/1996WO1996006314A1 Air flow control for pressurized room facility
02/29/1996WO1996006313A1 Air moving system
02/29/1996CA2197781A1 Air flow control for pressurized room facility
02/28/1996EP0698173A1 Arrangement in a ventilating mantle
02/22/1996DE4429540A1 Securing and ventilation roof element
02/21/1996CN1117312A Ventilation device
02/15/1996WO1996004513A1 Roof venting pipe
02/14/1996CN2220035Y Pumpless forced oxygen supply device for coating chamber
02/07/1996EP0695839A1 Curved roof covering slab or tile for ventilating an attic
02/06/1996US5489238 Portable fan booster for air vents
01/1996
01/31/1996EP0694151A1 Method and device for supplying air to a ventilated space
01/31/1996EP0615603B1 A method and a system for disinfecting air in air conditioning ducts
01/30/1996US5487247 Ventilated roof and wall structure
01/30/1996CA2132221A1 Portable multiposition positive-pressure fan
01/20/1996CA2152649A1 Electrical power distribution box ventilation system
01/17/1996CN2217756Y Multi-vane centrifugal ventilating machine
01/16/1996US5484335 Ventilated enclosure
01/10/1996EP0691227A1 Porthole for mobile vehicles and fixed structures
01/10/1996EP0637368A4 Controlling ventilation rates and indoor air quality.
01/10/1996EP0530305B1 Smoker's booth
01/02/1996US5480349 Paint spray booth air speed control
12/1995
12/29/1995CA2126907A1 Suspended warm air recycling unit
12/27/1995EP0688415A1 Fan casing
12/26/1995US5477651 Vapor exhaust system for use in building wall construction
12/21/1995DE4423336A1 Correction of reduced room pressure for chimney-connected heating apparatus
12/14/1995WO1995033959A1 Air vent device including a light device to preheat supply air
12/14/1995CA2191727A1 Air vent device including a light device to preheat supply air
12/13/1995CN2215090Y Structure-improved ventilator
12/05/1995US5473123 Air handling structure for fan inlet and outlet
12/05/1995US5472466 Smoker's module
11/1995
11/30/1995WO1995032397A1 Heating and ventilation system for a building
11/29/1995EP0684430A2 Computerised controlled extractor for compost shed
11/29/1995CN2213952Y Turbine unheat ventilation device
11/29/1995CN2213951Y Window-type moving cooking hood
11/28/1995US5471537 Kitchen ventilator
11/28/1995US5470275 Method and apparatus for controlling fume hood face velocity using variable by-pass resistance
11/28/1995CA2077330C Soffit mount air ventilator
11/27/1995CA2148873A1 Computer-controlled extraction device for rotting halls
11/23/1995DE4417740A1 Ventilation of multistorey building
11/21/1995US5468184 Air circulation system for enclosed structures
11/21/1995US5467609 Modular floor sub-structure for the operational support of computer systems
11/16/1995WO1995030862A1 A radiator arrangement including filters
11/15/1995EP0681674A1 Ventilation device.
11/15/1995CN1111746A Improved unit which can be assembled to forming smoke removing and ventilating apparatus of various location
11/09/1995WO1995029748A1 Air filtering apparatus with filtered air recirculation
11/09/1995CA2164440A1 Air filtering apparatus with filtered air recirculation
11/08/1995EP0680584A1 Environmental control system
11/02/1995DE4437438A1 Combined wind-driven generator and room ventilator
11/01/1995CN2211569Y High performance slot-opening hood
10/1995
10/27/1995CA2122188A1 Fabric-vented greenhouse
10/26/1995WO1995028604A1 Device and process for cooling large spaces
10/26/1995DE4414211A1 Roof ventilation cap
10/26/1995DE4413542A1 Vorrichtung und Verfahren zum Kühlen von Großräumen Apparatus and method for cooling large spaces
10/25/1995EP0678185A1 Ventilating apparatus, especially for animal stables
10/18/1995CN2210352Y Base of ventilation machine sat on roof driven by wind
10/18/1995CN1110377A Exhaust fan in toilet and mounting position thereof
10/17/1995US5458538 Roof vent
10/11/1995EP0667007A4 System for controlling flow through a process region.
10/11/1995EP0667006A4 Remote region vacuum regulator.
10/11/1995CN2209775Y Closed scavenging fan
10/04/1995EP0674735A1 Exhaust fan
09/1995
09/27/1995CN1109157A Air purifying system producing vertical air flow and its application
09/20/1995CN2208189Y Optical energy ventilating device
09/19/1995US5451131 Dockable interface airlock between process enclosure and interprocess transfer container
09/13/1995CN2207540Y Powerless centrifugal wind cowl
09/12/1995CA2021680C Apparatus for the controlled ventilation of rooms
09/08/1995WO1995023906A1 Arrangement in a ventilating mantle
08/1995
08/30/1995EP0668733A1 Device for protection against heat, such as sunshade or parasol provided with a solar energy ventilation system.
08/24/1995DE4440436A1 Ventilation fan assembly
08/23/1995EP0560820B1 Method and device for cleaning fan impellers
08/23/1995CN2205930Y Turbine heat radiation ventilator
08/23/1995CN2205929Y Turbine heat radiation ventilator
08/17/1995DE4418409C1 Computer controlled air extractor for compost rotting building
08/17/1995DE4404166A1 Ridge and edge ventilating element for roofs
08/16/1995EP0667497A1 Air ventilation arrangement
08/16/1995EP0667495A1 Laboratory air feed and exhaust device
08/16/1995EP0667494A1 Combined smoke- and heating exhaust- and ventilation device
08/16/1995EP0667007A1 System for controlling flow through a process region